CN112893640A - Automatic positioning pin switching device and longitudinal beam compression mold - Google Patents
Automatic positioning pin switching device and longitudinal beam compression mold Download PDFInfo
- Publication number
- CN112893640A CN112893640A CN202110071915.1A CN202110071915A CN112893640A CN 112893640 A CN112893640 A CN 112893640A CN 202110071915 A CN202110071915 A CN 202110071915A CN 112893640 A CN112893640 A CN 112893640A
- Authority
- CN
- China
- Prior art keywords
- positioning pin
- mounting hole
- bolt
- limiting
- switching device
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 title abstract description 3
- 238000007906 compression Methods 0.000 title abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010016173 Fall Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses an automatic positioning pin switching device and a longitudinal beam compression mold, wherein the automatic positioning pin switching device comprises an upper mold fixing seat, a positioning pin, a limiting assembly and a driving piece, wherein the upper mold fixing seat is provided with a mounting hole extending along the vertical direction and a mounting channel extending along the horizontal direction and communicated with the mounting hole; the positioning pin is telescopically arranged in the mounting hole and is provided with an extending position partially extending out of the mounting hole downwards and a retracting position fully positioned in the mounting hole upwards; the limiting assembly comprises a bolt, the bolt is telescopically arranged in the mounting channel, and the bolt extends out of the mounting hole to limit the positioning pin to move upwards and retracts to an avoiding position which does not interfere with the movement of the positioning pin; the driving device drives the bolt to move. According to the automatic positioning pin switching device, the positioning pins are switched through the extension of the positioning pins, so that the manual operation of replacing the positioning pins is replaced, the labor intensity is reduced, the potential safety hazard is eliminated, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to an automatic positioning pin switching device and a longitudinal beam profiling mold.
Background
The positioning pin of the longitudinal beam profiling mold plays a role in positioning and guiding in longitudinal beam pressing. In actual production, due to the diversification of commercial vehicle varieties, when longitudinal beams of different vehicle types are produced, positioning pins need to be replaced according to the positioning requirements of the longitudinal beams. At present, the locating pin of longeron die mould is artifical manual change, and the frequency of locating pin change is high and consuming time long, leads to workman intensity of labour big, and has great potential safety hazard in the locating pin change operation.
Disclosure of Invention
The invention mainly aims to provide an automatic positioning pin switching device and a longitudinal beam profiling mold, and aims to solve the problems that the labor intensity of workers is high and potential safety hazards exist in the positioning pin replacing process due to frequent manual replacement of positioning pins of the longitudinal beam profiling mold.
In order to achieve the above object, the present invention provides an automatic positioning pin switching device for mounting to an upper die base of a longitudinal beam profiling die, the upper die base having a mounting surface disposed downward, the automatic positioning pin switching device comprising:
the upper die fixing seat is arranged on the mounting surface of the upper die seat and is provided with a mounting hole extending along the vertical direction and a mounting channel extending along the horizontal direction and communicated with the mounting hole;
the positioning pin is telescopically arranged in the mounting hole along the vertical direction, and is provided with an extending position partially extending out of the mounting hole downwards and a retracting position retracting upwards to be positioned in the mounting hole;
the limiting assembly comprises a bolt, the bolt is telescopically arranged in the mounting channel, and the bolt is provided with a limiting position extending to be positioned in the mounting hole so as to limit the positioning pin to move upwards and an avoiding position retracting to be free from interfering with the movement of the positioning pin; and the number of the first and second groups,
and the driving device is connected with the bolt to drive the bolt to move.
Optionally, a limiting portion is arranged in the mounting hole, a matching portion is arranged on the positioning pin, and the matching portion is located above the limiting portion and used for matching with the limiting portion when the positioning pin moves downwards, so that the positioning pin is fixed at the extending position.
Optionally, the positioning pin has a first section and a second section which are sequentially distributed along the up-down direction, and the diameter of the first section is larger than that of the second section, so that the first section has a boss which is outwards protruded relative to the second section, and the boss forms the matching part;
the automatic positioning pin switching device further comprises a mounting seat, the mounting seat is mounted in the mounting hole, the mounting seat is provided with a through hole which extends along the vertical direction and is communicated with the mounting hole, the aperture of the through hole is smaller than that of the mounting hole, so that the inner wall of the mounting hole forms a protrusion, and the protrusion forms the limiting part.
Optionally, a limiting structure is arranged between the second section and the mounting seat to limit the rotation of the positioning pin around the axis direction of the positioning pin.
Optionally, a steel sleeve is arranged in the mounting hole, and the positioning pin is in sliding fit with the steel sleeve.
Optionally, the positioning pin further comprises an elastic resetting piece, the elastic resetting piece is mounted in the mounting hole, one end of the elastic resetting piece is abutted to the upper end face of the positioning pin, and the other end of the elastic resetting piece is abutted to the upper die base, so that the positioning pin is reset to the extending position from the retracting position.
Optionally, the bolt includes the bolt body and certainly the bolt body orientation two spacing arms that the one end of locating pin extends, two spacing arm surrounds and forms and dodges the groove, dodge the groove be used for the bolt with during the up end butt of locating pin, dodge elasticity piece that resets.
Optionally, the limiting assembly further comprises a limiting block, the limiting block is slidably mounted in the mounting hole in the vertical direction, the upper end surface of the limiting block is used for abutting against the bolt when the bolt is located at the limiting position, and a groove is formed in the upper end surface of the limiting block;
the automatic positioning pin switching device further comprises an elastic resetting piece, one end of the elastic resetting piece is installed in the groove, and the other end of the elastic resetting piece is abutted to the upper die base.
Optionally, the drive device comprises:
the cylinder is in driving connection with the bolt so as to drive the bolt to move;
and the control system is electrically connected with the air cylinder so as to control the air cylinder to work.
The invention also provides a longitudinal beam profiling mold, which comprises an automatic positioning pin switching device, wherein the automatic positioning pin switching device comprises:
the upper die fixing seat is arranged on the mounting surface of the upper die seat and is provided with a mounting hole extending along the vertical direction and a mounting channel extending along the horizontal direction and communicated with the mounting hole;
the positioning pin is telescopically arranged in the mounting hole along the vertical direction, and is provided with an extending position partially extending out of the mounting hole downwards and a retracting position retracting upwards to be positioned in the mounting hole;
the limiting assembly comprises a bolt, the bolt is telescopically arranged in the mounting channel, and the bolt is provided with a limiting position extending to be positioned in the mounting hole so as to limit the positioning pin to move upwards and an avoiding position retracting to be free from interfering with the movement of the positioning pin; and the number of the first and second groups,
and the driving device is connected with the bolt to drive the bolt to move.
According to the automatic positioning pin switching device, automatic switching of the positioning pins can be achieved according to different plates to be pressed, when the positioning pins are required to position the plates to be pressed, the driving device is used for driving the pins to move, the pins extend out and are positioned at the limiting positions, and therefore the positioning pins are limited to be positioned at the extending positions and the plates to be pressed are positioned; after the vehicle model of production is changed, wait to die mould plate location position to change and need change the locating pin, drive through drive arrangement the bolt is retracted and is in dodging the position, and at this moment, the locating pin of non-locate position is retracted and is in its position of retracting by the external force effect that waits to die mould plate and exert, does not fix a position waiting to die mould plate. The switching of locating pin is realized through the flexible of locating pin to satisfy its location demand of treating the die mould plate location of different motorcycle types. The replacement mode of the positioning pin is changed from manual replacement to automatic switching, the labor intensity of workers is reduced, meanwhile, the potential safety hazard caused by manual replacement of the positioning pin is eliminated, and the automatic switching of the positioning pin saves time compared with manual replacement, so that the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of an automatic positioning pin switching device provided in the present invention;
FIG. 2 is a schematic front view of the mount of FIG. 1;
FIG. 3 is a top view of the mount of FIG. 1;
FIG. 4 is a schematic front view of the locating pin of FIG. 1;
FIG. 5 is a schematic top view of the locating pin of FIG. 1;
FIG. 6 is a schematic front view of the steel casing of FIG. 1;
FIG. 7 is a schematic top view of the steel casing of FIG. 1;
FIG. 8 is a schematic front view of the stop block of FIG. 1;
FIG. 9 is a schematic top view of the stop block of FIG. 1;
fig. 10 is a schematic structural view of the plug in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | Automatic switching device for |
32 | Limiting groove | |
| 1 | |
4 | |
|
| 11 | Upper |
5 | |
|
| | Mounting hole | 5a | Groove | |
| | Installation channel | 6 | |
|
| 2 | | 6a | Spring | |
| 21 | Through |
7 | |
|
| | Spacing |
7a | Cylinder | |
| | Avoiding groove | 8 | |
|
| 23 | Locating |
81 | |
|
| 3 | Locating pin | 82 | Limiting |
|
| 31 | |
82a | Dodging groove |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
At present, a positioning pin of a longitudinal beam profiling mold is replaced manually, the replacement frequency of the positioning pin is high, time consumption is long, the labor intensity of workers is high, and great potential safety hazards exist in the replacement operation of the positioning pin. The replacement mode of the positioning pin is changed from manual replacement to automatic switching, the labor intensity of workers is reduced, meanwhile, the potential safety hazard caused by manual replacement of the positioning pin is eliminated, and the automatic switching of the positioning pin saves time compared with manual replacement, so that the working efficiency is improved.
Referring to fig. 1 to 10, in an embodiment of an automatic positioning pin switching device 100 (hereinafter referred to as this embodiment) provided by the present invention, the automatic positioning pin switching device 100 includes an upper die fixing base 1, a positioning pin 3, a limiting component and a driving device 7, wherein the upper die fixing base 1 is installed on an installation surface of the upper die base, and the upper die fixing base 1 is provided with an installation hole 11a extending along an up-down direction and an installation channel 11b extending along a horizontal direction and communicating with the installation hole 11 a; the positioning pin 3 is telescopically arranged in the mounting hole 11a along the up-down direction, and the positioning pin 3 has an extending position partially extending out of the mounting hole 11a downwards and a retracting position retracting upwards to be completely positioned in the mounting hole 11 a; the limiting assembly comprises a bolt 8, the bolt 8 is telescopically arranged in the mounting channel 11b, and the bolt 8 extends to a limiting position which is positioned in the mounting hole 11a to limit the upward movement of the positioning pin 3 and retracts to an avoiding position which does not interfere with the movement of the positioning pin 3; the driving device 7 is connected with the bolt 8 to drive the bolt 8 to move.
According to the automatic positioning pin switching device 100 provided by the invention, the corresponding driving part is controlled by the control program to drive the plug pin 8 to move, when the plug pin 8 extends out and is positioned at the limit position, the positioning pin 3 is limited to be positioned at the extending position, and a plate to be pressed is positioned; after the vehicle model produced is changed, the positioning position of the plate to be pressed is changed, the positioning pin 3 needs to be changed, the corresponding driving piece is controlled by the control program to drive the bolt 3 to retract to be positioned at the avoiding position, at the moment, the positioning pin 3 at the non-positioning position retracts to be positioned at the retracting position under the action of external force applied by the plate to be pressed, and the plate to be pressed is not positioned. The switching of locating pin is realized through the flexible of locating pin 3 to satisfy its location demand of treating the die mould plate location of different motorcycle types. The replacement mode of the positioning pin 3 is changed from manual replacement to automatic switching, the labor intensity of workers is reduced, meanwhile, the potential safety hazard caused by manual replacement of the positioning pin 3 is eliminated, and time is saved by automatic switching of the positioning pin 3 compared with manual replacement, so that the working efficiency is improved.
The specific form of the driving member in the driving device 7 is not limited, and may be a cylinder 7a, or a linear motor. In this embodiment, the driving member is an air cylinder 7a, the driving device 7 includes an air cylinder 7a and a control system, and the air cylinder 7a is in driving connection with the bolt 8 to drive the bolt 8 to move; the control system is electrically connected with the air cylinder 7a to control the air cylinder 7a to work. The control system comprises an electric control mechanism, a control program, a scanning control console and a scanning gun, wherein the electric control mechanism comprises an electromagnetic valve and an electromagnetic switch, and the control program comprises programming, storage, visualization and early warning of whether the positioning pin 3 is successfully stretched or not. And storing the preset control program into a computer, and printing the control program in a bar code form. When certain motorcycle type needs several locating pins 3, at first scan the bar code with the scanning rifle according to the product code, transfer out preset locating pin procedure, control procedure control cylinder 7a stretches out, cylinder 7a drive bolt 8 stretch out with the up end butt of locating pin 3 to spacing locating pin 3, locating pin 3 plays the positioning action. Otherwise, the control program controls the cylinder 7a to retract, the cylinder 7a drives the bolt 8 to retract and separate from the positioning pin 3, and the positioning pin 3 can move up and down without positioning. After the positioning pin 3 is selected, a confirmation button is pressed, the electric controller is used for controlling the stretching of the positioning pin 3 to select the positioning pin 3, and finally, the plate to be pressed is placed on an ejector of the die to be preliminarily confirmed to be used.
The positioning pin 3 has an extended position partially extending downward from the mounting hole 11a and a retracted position retracted upward to be entirely located in the mounting hole 11a, and the positioning pin 3 is fixed in the mounting hole 11a when being in the extended position. In this embodiment, a limiting portion is disposed in the mounting hole 11a, a matching portion is disposed on the positioning pin 3, and the matching portion is located above the limiting portion and is used for matching with the limiting portion when the positioning pin 3 moves downward, so that the positioning pin 3 is fixed to the extending position.
The specific form of the limiting part and the matching part is not limited. In this embodiment, as shown in fig. 4 to 5, the positioning pin 3 has a first section and a second section sequentially distributed along the up-down direction, and the diameter of the first section is larger than that of the second section, so that the first section has a boss 31 protruding outward relative to the second section, and the boss 31 forms the matching portion; the automatic positioning pin switching device 100 further comprises a mounting seat 2, as shown in fig. 2 to 3, the mounting seat 2 is mounted in the mounting hole 11a, the mounting seat 2 is provided with a through hole 21 extending in the vertical direction and communicating with the mounting hole 11a, and the aperture of the through hole 21 is smaller than that of the mounting hole 11a, so that a protrusion is formed on the inner wall of the mounting hole 11a, and the protrusion forms the limiting part. The mounting hole 11a has a step structure for mounting the mounting base 2, the mounting base 2 is provided with a positioning hole 23, and the positioning hole 23 is bolted with the step structure, so that the mounting base 2 is fixed in the mounting hole 11 a. Through the cooperation of the boss 31 and the mounting seat 2, the positioning pin 3 is limited when moving downwards.
And a limiting structure is arranged between the second section and the mounting seat 2 to limit the rotation of the positioning pin 3 around the axis direction of the positioning pin, so that the stretching of the positioning pin 3 is smoother. The specific implementation manner of the limiting structure is not limited, for example, one of the positioning pin 3 and the mounting seat 2 is provided with a limiting protrusion 21a, and the other is provided with a limiting groove 32, specifically, in this embodiment, as shown in fig. 4 to 5, the second section of the positioning pin 3 is provided with the limiting groove 32, the inner wall of the through hole 21 on the mounting seat 2 is provided with the limiting protrusion 21a, and the limiting groove 32 is in sliding fit with the limiting protrusion 21a to prevent the positioning pin 3 from rotating around the axis direction thereof. Furthermore, the mounting seat 2 is provided with a clearance groove 21b, the clearance groove 21b is arranged at the joint of the through hole 21 and the limiting convex block 21a, the clearance groove 21b is used for avoiding the position of the edge of the limiting groove 32, so as to prevent the positioning pin 3 from being used for a period of time, and the positioning pin 3 interferes with the through hole 21 to cause positioning failure due to the fact that burrs appear on the edge of the limiting groove 32 due to friction.
The downward movement of the positioning pin 3 in the mounting hole 11a can be realized by using the gravity of the positioning pin itself, or an elastic resetting member 6 can be provided, and the downward movement of the positioning pin is promoted by using the elastic deformation of the elastic resetting member 6. In this embodiment, the positioning pin automatic switching device 100 further includes an elastic resetting member 6, the elastic resetting member 6 is installed in the mounting hole 11a, one end of the elastic resetting member 6 abuts against the upper end face of the positioning pin 3, and the other end of the elastic resetting member abuts against the upper die holder 1, so that when the plate to be pressed does not apply an external force to the positioning pin 3, the positioning pin 3 is reset from the retraction position to the extension position. When the elastic restoring piece 6 restores the elastic deformation, the elastic restoring force is applied to the positioning pin 3 to enable the downward movement of the positioning pin 3 to be smoother. The specific form of the elastic restoring member 6 is not limited, and may be a spring 6a, or may be an elastic element in other forms, in this embodiment, the elastic restoring member is a spring 6 a.
In order to prevent the interference of the latch 8 with the elastic return 6. In this embodiment, be equipped with on bolt 8 and dodge elasticity resets structure of dodging of piece 6, specifically as shown in fig. 10, bolt 8 includes bolt body 81 and certainly bolt body 81 orientation two spacing arms 82 that the one end of locating pin 3 extends, two spacing arm 82 encloses to close and forms and dodges groove 82a, dodge groove 82a and be used for bolt 8 with during the up end butt of locating pin 3, dodge elasticity resets piece 6. Through setting up dodge groove 82a, make bolt 8 can dodge elasticity piece 6 that resets can also guarantee simultaneously bolt 8 with butt area when locating pin 3 butt to make spacing more reliable.
The limiting assembly further comprises a limiting block 5, and when the elastic resetting piece 6 abuts against the upper end face of the limiting block 5, the elastic resetting piece 6 can deviate, so that the abutting is unreliable. In this embodiment, as shown in fig. 8 to 9, the limiting block 5 is slidably mounted in the mounting hole 11a in the up-down direction, a lower end surface of the limiting block 5 abuts against an upper end surface of the positioning pin 3, the upper end surface of the limiting block 5 is used for abutting against the bolt 8 when the bolt 8 is located at the limiting position, and a groove 5a is formed in the upper end surface of the limiting block 5; one end of the elastic resetting piece 6 is arranged in the groove 5a, and the other end of the elastic resetting piece is abutted against the upper die holder 1. Through set up on the stopper 5 recess 5a, make elasticity reset 6 with the butt of stopper 5 is more reliable, simultaneously through setting up stopper 5 can shorten the length of locating pin 3, in order to improve the rigidity of locating pin 3, elasticity reset 6 when restoring elastic deformation, right stopper 5 applys elastic restoring force and makes its downstream, and promotes locating pin 3 downstream.
The positioning pin 3 can be extended and retracted in the mounting hole 11a, and in order to avoid the inclination of the positioning pin 3 in the mounting hole 11a, the positioning pin 3 needs to be matched with the mounting hole 11a, so that when the positioning pin 3 is extended and retracted in the mounting hole 11a, friction may occur between the positioning pin 3 and the mounting hole 11a, and the positioning pin 3 is easily abraded. In the present embodiment, as shown in fig. 6 to 7, a steel sleeve 4 is provided in the mounting hole 11a, and the positioning pin 3 is slidably fitted with the steel sleeve 4. So as to reduce the abrasion deformation of the positioning pin 3 and prolong the service life of the positioning pin.
At present, the replacement mode of the positioning pin 3 of the longitudinal beam profiling die is manual replacement. When the automobile type changes, need to change locating pin 3 of longeron die mould and carry out the longeron die mould. In the replacement process, the machine tool slide block is locked, two persons climb into the machine tool respectively, and then the positioning pin 3 is replaced by using a wrench on a die with the length of 12 meters. The whole operation has great potential safety hazard. The staff not only need climb and climb the off-the-shelf ejection of compact roll table of longeron down, has the risk of falling down. Meanwhile, the sliding block needs to enter the machine tool to work for a long time, and the sliding block has the risk of sliding downwards. The labor intensity of the operator is high. Due to the diverse nature of commercial vehicles, the change is required on average 20 times per shift in current production. Every time, 7 positioning pins 3 need to be replaced on average, sometimes the positioning pins need to go around the upright column to drill to the inner side of the machine tool, and when the positioning pins 3 are replaced, the positioning pins need to be half-squat on a roller way, so that the time is long. The labor intensity is high. The efficiency of the operator is low. The switching time was about 5 minutes/2 people, the total switching time was about 1.5 hours/shift, and two shifts were lost for 3 hours, 18.75% per day calculated as 16 hours.
By using the automatic positioning pin switching device 100, the manual replacement of the positioning pin 3 is eliminated, the potential safety hazard is eliminated, and the labor intensity of workers is reduced. After the automatic switching mode is adopted, the operation can be carried out by only one person on the operation panel by scanning the bar code, the switching time is about 1 minute/person, and the switching time is about 0.33 hour/shift. Saving 2.34 hours per day. And 5000T of key equipment of the promotion company produces about 47 pieces/day. The trade-off is done by 27 ten years at an institution investment cost of about 2.7 ten thousand dollars per year, resulting in a boundary contribution of 200 x 47 x 250-2.7 x 222.3 ten thousand/year.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a locating pin automatic switching control equipment for install to longeron die mould die's upper die base, the upper die base has the installation face that sets up down, its characterized in that, locating pin automatic switching control equipment includes:
the upper die fixing seat is arranged on the mounting surface of the upper die seat and is provided with a mounting hole extending along the vertical direction and a mounting channel extending along the horizontal direction and communicated with the mounting hole;
the positioning pin is telescopically arranged in the mounting hole along the vertical direction, and is provided with an extending position partially extending out of the mounting hole downwards and a retracting position retracting upwards to be positioned in the mounting hole;
the limiting assembly comprises a bolt, and the bolt is telescopically arranged in the mounting channel so as to extend to a limiting position which is positioned in the mounting hole and limits the positioning pin to move upwards and retract to an avoiding position which does not interfere with the movement of the positioning pin; and the number of the first and second groups,
and the driving device is connected with the bolt to drive the bolt to move.
2. The automatic switching device for the positioning pin according to claim 1, wherein a limiting portion is disposed in the mounting hole, and an engaging portion is disposed on the positioning pin and above the limiting portion, for engaging with the limiting portion when the positioning pin moves downward, so that the positioning pin is fixed at the extended position.
3. The automatic switching device of the positioning pin according to claim 2, wherein the positioning pin has a first section and a second section which are sequentially distributed in the vertical direction, and the diameter of the first section is larger than that of the second section, so that the first section has a boss which is arranged to protrude outwards relative to the second section, and the boss forms the matching part;
the automatic positioning pin switching device further comprises a mounting seat, the mounting seat is mounted in the mounting hole, the mounting seat is provided with a through hole which extends along the vertical direction and is communicated with the mounting hole, the aperture of the through hole is smaller than that of the mounting hole, so that the inner wall of the mounting hole forms a protrusion, and the protrusion forms the limiting part.
4. The automatic shifting device for the positioning pin according to claim 3, wherein a limiting structure is arranged between the second section and the mounting seat to limit the positioning pin to rotate around the axis direction of the positioning pin.
5. The automatic shifting device of the positioning pin according to claim 1, wherein a steel sleeve is arranged in the mounting hole, and the positioning pin is in sliding fit with the steel sleeve.
6. The automatic switching device for the positioning pin according to claim 1, further comprising an elastic resetting member, wherein the elastic resetting member is mounted in the mounting hole, one end of the elastic resetting member abuts against the upper end surface of the positioning pin, and the other end of the elastic resetting member abuts against the upper die base, so that the positioning pin is reset from the retracted position to the extended position.
7. The automatic switching device for the positioning pin according to claim 6, wherein the bolt comprises a bolt body and two limiting arms extending from the bolt body towards one end of the positioning pin, the two limiting arms surround to form an avoiding groove, and the avoiding groove is used for avoiding the elastic reset piece when the bolt abuts against the upper end face of the positioning pin.
8. The automatic positioning pin switching device according to claim 1, wherein the limiting assembly further comprises a limiting block, the limiting block is slidably mounted in the mounting hole in the vertical direction, the lower end surface of the limiting block abuts against the upper end surface of the positioning pin, the upper end surface of the limiting block is used for abutting against the bolt when the bolt is located at the limiting position, and a groove is formed in the upper end surface of the limiting block;
the automatic positioning pin switching device further comprises an elastic resetting piece, one end of the elastic resetting piece is installed in the groove, and the other end of the elastic resetting piece is abutted to the upper die base.
9. The automatic dowel pin switching device of claim 1, wherein said drive means comprises:
the cylinder is in driving connection with the bolt so as to drive the bolt to move;
and the control system is electrically connected with the air cylinder so as to control the air cylinder to work.
10. A longitudinal beam profiling mold, characterized by comprising an automatic switching device of the positioning pin according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110071915.1A CN112893640A (en) | 2021-01-19 | 2021-01-19 | Automatic positioning pin switching device and longitudinal beam compression mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110071915.1A CN112893640A (en) | 2021-01-19 | 2021-01-19 | Automatic positioning pin switching device and longitudinal beam compression mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112893640A true CN112893640A (en) | 2021-06-04 |
Family
ID=76116171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110071915.1A Pending CN112893640A (en) | 2021-01-19 | 2021-01-19 | Automatic positioning pin switching device and longitudinal beam compression mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112893640A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001227512A (en) * | 2000-02-15 | 2001-08-24 | Koganei Corp | Positioning clamp device |
| US6379089B1 (en) * | 1999-06-30 | 2002-04-30 | Nicotec Co., Ltd. | Separation type hole saw |
| JP2008279554A (en) * | 2007-05-11 | 2008-11-20 | Koganei Corp | Positioning clamping device |
| US20110316240A1 (en) * | 2010-06-25 | 2011-12-29 | Shandong Weida Machinery Co., Ltd. | Locking mechanism, and clamping head device and fastening clamp with locking mechanism |
| CN202372309U (en) * | 2011-12-20 | 2012-08-08 | 东风汽车股份有限公司 | clutch detection device |
| CN202556006U (en) * | 2012-03-19 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Positioning pin extension mechanism on sheet metal clamp |
| JP2014080993A (en) * | 2012-10-12 | 2014-05-08 | Honda Motor Co Ltd | Electric linear actuator |
| CN204195366U (en) * | 2014-10-30 | 2015-03-11 | 天津博信汽车零部件有限公司 | Alignment pin location switching mechanism |
| CN208992546U (en) * | 2018-10-20 | 2019-06-18 | 安徽舜富汽车部件科技有限公司 | Positioning fixture is used in a kind of processing of automobile engine housing |
| CN110714673A (en) * | 2018-07-23 | 2020-01-21 | 赵芬 | Structure capable of adjusting hinge leaf positioning force and self-closing |
| CN211192650U (en) * | 2019-09-18 | 2020-08-07 | 车城智能装备(武汉)有限公司 | Space-saving high-precision anti-rotation positioning pin mechanism |
-
2021
- 2021-01-19 CN CN202110071915.1A patent/CN112893640A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6379089B1 (en) * | 1999-06-30 | 2002-04-30 | Nicotec Co., Ltd. | Separation type hole saw |
| JP2001227512A (en) * | 2000-02-15 | 2001-08-24 | Koganei Corp | Positioning clamp device |
| JP2008279554A (en) * | 2007-05-11 | 2008-11-20 | Koganei Corp | Positioning clamping device |
| US20110316240A1 (en) * | 2010-06-25 | 2011-12-29 | Shandong Weida Machinery Co., Ltd. | Locking mechanism, and clamping head device and fastening clamp with locking mechanism |
| CN202372309U (en) * | 2011-12-20 | 2012-08-08 | 东风汽车股份有限公司 | clutch detection device |
| CN202556006U (en) * | 2012-03-19 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Positioning pin extension mechanism on sheet metal clamp |
| JP2014080993A (en) * | 2012-10-12 | 2014-05-08 | Honda Motor Co Ltd | Electric linear actuator |
| CN204195366U (en) * | 2014-10-30 | 2015-03-11 | 天津博信汽车零部件有限公司 | Alignment pin location switching mechanism |
| CN110714673A (en) * | 2018-07-23 | 2020-01-21 | 赵芬 | Structure capable of adjusting hinge leaf positioning force and self-closing |
| CN208992546U (en) * | 2018-10-20 | 2019-06-18 | 安徽舜富汽车部件科技有限公司 | Positioning fixture is used in a kind of processing of automobile engine housing |
| CN211192650U (en) * | 2019-09-18 | 2020-08-07 | 车城智能装备(武汉)有限公司 | Space-saving high-precision anti-rotation positioning pin mechanism |
Non-Patent Citations (2)
| Title |
|---|
| 李东: "中重卡车纵梁模具的自动化生产解决方案探讨", 《工程技术研究》 * |
| 陆铭立: "简便的伸缩式定位销", 《机械制造》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5711180A (en) | Pressing cam die | |
| JP2004507362A (en) | Pressure piercing head unit | |
| CN112893640A (en) | Automatic positioning pin switching device and longitudinal beam compression mold | |
| CN113857893A (en) | Assembling and positioning method for back door | |
| CN208247837U (en) | A kind of marking machine fixture | |
| CN212145209U (en) | Press fitting tool | |
| CN112172355B (en) | Marking machine | |
| KR101008504B1 (en) | Connector pin press with auto stopper | |
| CN111672931B (en) | Automobile air conditioner inhaul cable clamping and shaping device | |
| CN106470536B (en) | Sliding rail assembly and its bracket system | |
| CN110814115B (en) | Mold core positioning mechanism of automobile sunroof guide rail bending mold | |
| CN211938587U (en) | Side riveting structure for limiting steel balls of sliding rail of automobile seat | |
| CN111590294A (en) | Crank pin blocking press-fitting device | |
| CN215204105U (en) | Image error-proofing code-spraying and dotting integrated equipment | |
| CN113231556A (en) | Positioning device and stamping die | |
| CN219985997U (en) | High-precision guide pillar and guide sleeve type structure of numerical control punch | |
| CN215469677U (en) | Workpiece processing device | |
| CN211278222U (en) | Manual low-position pin positioning device | |
| CN219901024U (en) | Mine car bump dismounting device | |
| CN217369951U (en) | Full-automatic contact flatting mill | |
| CN221454254U (en) | Arc guide rail riveting jig | |
| CN214691749U (en) | Flexible production line | |
| CN215316799U (en) | Bending press-fitting mechanism | |
| CN210594131U (en) | Feeding device | |
| CN218556198U (en) | Nut piece press-fitting machine of engine bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |
|
| RJ01 | Rejection of invention patent application after publication |