CN209867776U - Longitudinal beam clamp and anti-deformation mechanism thereof - Google Patents
Longitudinal beam clamp and anti-deformation mechanism thereof Download PDFInfo
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- CN209867776U CN209867776U CN201920213756.2U CN201920213756U CN209867776U CN 209867776 U CN209867776 U CN 209867776U CN 201920213756 U CN201920213756 U CN 201920213756U CN 209867776 U CN209867776 U CN 209867776U
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Abstract
The utility model relates to a longeron anchor clamps and anti-deformation mechanism thereof. The utility model discloses a longeron anti-deformation mechanism's quick-witted incasement is equipped with the endotheca, and the cover is equipped with the overcoat on the endotheca, and overcoat and endotheca sliding seal cooperation drive the workstation when reciprocating at the lead screw, drive the overcoat simultaneously and slide on the overcoat, and the position department of the lead screw on the cooperation through the overcoat is sealed with quick-witted case like this avoids impurity such as welding slag to enter into spiral elevator inside, forms lubricated chamber in the inner chamber of endotheca simultaneously, sets up emollient in the lubricated chamber, further improves lubricated effect, guarantees anti-deformation mechanism's life.
Description
Technical Field
The utility model relates to a longeron anchor clamps and anti-deformation mechanism thereof.
Background
In the process of welding and processing the longitudinal beam of the automobile, a longitudinal beam clamp is required to clamp and position the longitudinal beam, and a welding robot is used for welding, the existing longitudinal beam clamp, such as the rear floor longitudinal beam clamp of the automobile disclosed in the Chinese patent document with the publication number of CN102248346B, comprises a supporting leg and a supporting table fixed on the supporting leg, wherein a sliding clamping device for fixing the components to be welded on the rear floor longitudinal beam and a plurality of positioning and clamping devices for fixing the rear floor longitudinal beam and fixing the components to be welded on the rear floor longitudinal beam are arranged on the supporting table; the positioning and clamping device comprises first corner seats, a first template fixedly connected with the first corner seats and clamping arms rotationally matched with the first template, and a first positioning pin matched with the mounting hole position on the longitudinal beam of the rear floor is arranged on the first corner seat of at least one of the positioning and clamping devices; the sliding clamping device comprises a second corner seat and a second template fixedly connected with the second corner seat, and a second positioning pin matched with a mounting hole of a component to be welded on the rear floor longitudinal beam is arranged on the second template. Through above-mentioned anchor clamps, can realize the tight welding of clamp to floor longeron behind the car, effectively solve the fixed-position welding of floor longeron behind the car, guarantee the uniformity after the welding.
In the actual production process, in order to prevent the deformation of the longitudinal beam in the welding process, a reverse deformation mechanism needs to be arranged on the clamp, and the conventional longitudinal beam clamp reverse deformation mechanism usually adopts a plastic dustproof pipe for dust prevention. The robot welding finished piece is in a confined space, and the finished piece can appear the welding slag of high temperature and splash to the plastics dustproof pipe at welding process, and after the welding slag attaches to the plastics dustproof pipe, the plastic tubing can be damaged, and the welding slag enters into the screw lift the inside along with the lead screw motion afterwards, and the piling up of welding slag leads to the unable drive lead screw motion of motor, and the motor overload is reported to the police, and equipment stops, and the robot welding stops. In order to clean up the slag, the entire fixture and screw elevator need to be dismantled, which statistically requires at least 3 service personnel to spend 5 hours or more. In order to reduce the overload alarm outage rate of equipment and conveniently clean the welding slag outside the screw rod, equipment maintenance personnel can dismantle the plastic dustproof pipe and regularly clean the dirt and the welding slag on the screw rod every week. The maintenance man-hour reaches 205.5 hours per month, and the equipment overload alarm outage rate reaches 1.51 percent. Therefore, a longitudinal beam clamp reversible deformation mechanism with a good dustproof effect is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a longitudinal beam clamp anti-deformation mechanism with good dustproof effect; meanwhile, the invention also provides a longitudinal beam clamp using the longitudinal beam reversible deformation mechanism.
The utility model discloses a longeron anchor clamps anti-deformation mechanism adopts following technical scheme:
the longitudinal beam clamp reversible deformation mechanism comprises a spiral lifter, wherein the spiral lifter comprises a case and a lead screw extending out of the case, a connecting plate used for being connected with a workbench is arranged at the end part of the lead screw, an inner sleeve sleeved on the lead screw is arranged on the case, the inner wall of the inner sleeve and the lead screw are arranged at intervals to form a lubricating cavity used for containing a lubricant, an outer sleeve fixedly connected with the lead screw is sleeved on the periphery of the inner sleeve, and the inner wall of the outer sleeve is in sliding sealing fit with the inner wall of the inner sleeve.
And a sealing ring is arranged between the outer sleeve and the inner sleeve, and the outer sleeve is provided with an end face for scraping impurities attached to the outer peripheral surface of the inner sleeve.
And an oil filling channel communicated with the lubricating cavity is arranged on the outer sleeve at the upper part of the inner sleeve.
The outer sleeve is provided with a containing cavity for containing the inner sleeve, and the oiling channel penetrates through the wall of the containing cavity.
A boss is arranged at the position of the screw rod on the case, and the inner sleeve is sleeved on the boss.
The utility model discloses a longeron anchor clamps adopt following technical scheme:
the longitudinal beam clamp comprises a clamp frame body and a reverse deformation mechanism arranged on the clamp frame body, wherein the reverse deformation mechanism comprises a spiral elevator, the spiral elevator comprises a case and a lead screw extending out of the case, a connecting plate used for being connected with a workbench is arranged at the end part of the lead screw, an inner sleeve sleeved on the lead screw is arranged on the case, the inner wall of the inner sleeve and the lead screw are arranged at intervals to form a lubricating cavity used for containing a lubricant, an outer sleeve fixedly connected with the lead screw is sleeved on the periphery of the inner sleeve, and the inner wall of the outer sleeve is in sliding sealing fit with the inner wall of the inner sleeve.
And a sealing ring is arranged between the outer sleeve and the inner sleeve, and the outer sleeve is provided with an end face for scraping impurities attached to the outer peripheral surface of the inner sleeve.
And an oil filling channel communicated with the lubricating cavity is arranged on the outer sleeve at the upper part of the inner sleeve.
The outer sleeve is provided with a containing cavity for containing the inner sleeve, and the oiling channel penetrates through the wall of the containing cavity.
A boss is arranged at the position of the screw rod on the case, and the inner sleeve is sleeved on the boss.
The utility model has the advantages that: the utility model discloses a longeron anti-deformation mechanism's quick-witted incasement is equipped with the endotheca, and the cover is equipped with the overcoat on the endotheca, and overcoat and endotheca sliding seal cooperation drive the workstation when reciprocating at the lead screw, drive the overcoat simultaneously and slide on the overcoat, and the position department of the lead screw on the cooperation through the overcoat is sealed with quick-witted case like this avoids impurity such as welding slag to enter into spiral elevator inside, forms lubricated chamber in the inner chamber of endotheca simultaneously, sets up emollient in the lubricated chamber, further improves lubricated effect, guarantees anti-deformation mechanism's life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a reversible deformation structure in an embodiment of a longitudinal beam clamp according to the present invention;
FIG. 2 is a cross-sectional view of the counter-deformation mechanism of FIG. 1;
FIG. 3 is a schematic view of the construction of the jacket of FIG. 1;
FIG. 4 is a schematic structural view of the inner sleeve of FIG. 1;
in the figure: 1. a screw elevator; 2. a lead screw; 3. a connecting plate; 4. an inner sleeve; 5. a jacket; 11. a boss; 41. a lubrication chamber; 51. a refueling passage; 52. a seal ring; 53. mounting grooves; 54. a receiving cavity.
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.
The utility model discloses an embodiment of longeron anchor clamps, as shown in fig. 1 to fig. 4, longeron anchor clamps, including the anchor clamps support body and set up the anti-deformation mechanism on the anchor clamps support body, anti-deformation mechanism includes spiral elevator 1, spiral elevator 1 includes quick-witted case and stretches out quick-witted case outside lead screw 2, lead screw 2's tip is equipped with and is used for the connecting plate 3 of being connected with the workstation, be equipped with endotheca 4 of suit on lead screw 2 on the quick-witted case, thereby the inner wall of endotheca 4 sets up with the 2 intervals of lead screw and forms the lubricated chamber 41 that is used for holding emollient, the cover is equipped with the overcoat 5 that links firmly with the lead screw in the periphery of endotheca. 1 box of spiral lift, inside have the worm wheel, the worm, the screw, partial lead screw through motor drive worm wheel and worm and screw-nut transmission, reaches the effect of lead screw up-and-down motion, and this part structure is prior art, no longer gives unnecessary details. The clamping structure in the longitudinal beam clamp is the prior art, and reference may be made to the structure of the clamp disclosed in chinese patent document No. CN102248346B, which is not described herein again. In order to ensure the normal operation of the mechanism, the sliding fit stroke of the inner sleeve and the outer sleeve 5 is more than or equal to the moving stroke of the screw rod.
In the present embodiment, a seal ring 52 is provided between the outer sleeve 5 and the inner sleeve 4, the outer sleeve 5 has an end surface for scraping impurities attached to the outer peripheral surface of the inner sleeve 4, welding slag or other impurities or impurities are attached to the outer periphery of the inner sleeve 4 during operation, and when the outer sleeve 5 slides down, the lower end of the outer sleeve 5 scrapes the impurities, thereby removing the impurities.
In the present embodiment, the outer sleeve 5 is provided with a refueling passage 51 communicating with the lubrication chamber 41 at an upper position of the inner sleeve 4. During use, lubricant, such as grease or lubricating oil, can be injected into the lubrication chamber 41 through the oil filling passage 51, thus ensuring the lubricating performance of the screw.
The outer sleeve 5 has a housing chamber 54 for housing the inner sleeve 4, and the refueling passage 51 is provided through a wall of the housing chamber 54, so that the refueling passage 51 is provided at a side position of the housing chamber 54 to prevent dust and foreign substances from falling into the refueling passage 51. The sealing ring 52 is provided in particular at a lower position of the outer sleeve 5, in particular at this position a mounting groove 53 is provided, by means of which mounting groove 53 the mounting of the sealing ring 52 is realized. The upper part of the containing cavity is provided with a through hole for the lead screw to pass through, and the screw tap is relatively fixed with the outer sleeve 5 through the through hole.
In order to facilitate the installation of the inner sleeve 4, in this embodiment, a boss 11 is disposed at the position of the screw rod on the chassis, and the inner sleeve 4 is sleeved on the boss 11. Specifically, the inner sleeve 4 is in interference fit with the boss 11, so that other mounting structures are not needed, and the structure is simple.
The utility model discloses a longeron anti-deformation mechanism's quick-witted incasement is equipped with the endotheca, and the cover is equipped with the overcoat on the endotheca, overcoat and endotheca sliding seal cooperation, when the lead screw drives the workstation and reciprocates, drive the overcoat simultaneously and slide on the overcoat, and the position department of the lead screw on with quick-witted case through the cooperation of overcoat is sealed like this, avoids impurity such as welding slag to enter into spiral lift 1 inside, forms lubricated chamber 41 in the inner chamber of endotheca simultaneously, sets up emollient in lubricated chamber 41, further improves lubricated effect, guarantees anti-deformation mechanism's life.
Through the cooperation of interior overcoat, mainly play following effect: 1. the inner part of the screw rod is protected in a layered manner by designing a device comprising an outer sleeve, an inner sleeve and an O-shaped sealing ring, so that a good dustproof effect is achieved; 2. the device is high-temperature resistant, the outer sleeve material of the device adopts 45#, the inner sleeve material adopts polytetrafluoroethylene, the device is high-temperature resistant, and welding slag cannot damage and puncture the rigid dustproof device; 3. is convenient for oiling and maintaining. The oil filling port is designed on the outer sleeve, so that maintenance personnel can conveniently and regularly perform oil filling maintenance; 4. personnel are reduced, the labor efficiency of workers is improved, dirt dust and welding slag can be prevented from entering the spiral elevator by designing the dustproof device, maintenance personnel do not need to clean the dirt dust and the welding slag on duty every week, the maintenance working time is reduced by 199.5 hours, and one person can be reduced; 5. the failure outage rate of equipment is reduced, and through the design of the dustproof device, dirt and welding slag can be prevented from entering the spiral elevator, the motor does not overload and alarm any more, and the overload alarm failure outage rate of the equipment is reduced to 0.
In other embodiments of the utility model, the inner and outer sleeves can be directly matched with each other to realize sealing matching through the matching of the inner and outer peripheral surfaces; the oiling channel is arranged on the end surface of the outer sleeve; the inner sleeve is fixed on the case by welding.
The utility model discloses an embodiment of longeron anchor clamps anti-deformation mechanism, longeron anchor clamps anti-deformation mechanism is the same with the structure of the anti-deformation mechanism in the embodiment of above-mentioned longeron anchor clamps, no longer gives unnecessary details.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Longeron anchor clamps anti-deformation mechanism, including spiral lift, spiral lift includes quick-witted case and stretches out to the outside lead screw of quick-witted case, the tip of lead screw is equipped with the connecting plate that is used for being connected with the workstation, its characterized in that: the machine case is provided with an inner sleeve sleeved on the screw rod, the inner wall of the inner sleeve and the screw rod are arranged at intervals to form a lubricating cavity for containing a lubricant, the outer periphery of the inner sleeve is sleeved with an outer sleeve fixedly connected with the screw rod, and the inner wall of the outer sleeve is in sliding sealing fit with the inner wall of the inner sleeve.
2. The stringer clamp predeformation mechanism of claim 1, wherein: and a sealing ring is arranged between the outer sleeve and the inner sleeve, and the outer sleeve is provided with an end face for scraping impurities attached to the outer peripheral surface of the inner sleeve.
3. The longitudinal beam clamp predeformation mechanism of claim 1 or 2, wherein: and an oil filling channel communicated with the lubricating cavity is arranged on the outer sleeve at the upper part of the inner sleeve.
4. The stringer clamp predeformation mechanism of claim 3, wherein: the outer sleeve is provided with a containing cavity for containing the inner sleeve, and the oiling channel penetrates through the wall of the containing cavity.
5. The longitudinal beam clamp predeformation mechanism of claim 1 or 2, wherein: a boss is arranged at the position of the screw rod on the case, and the inner sleeve is sleeved on the boss.
6. Longeron anchor clamps are in including anchor clamps support body and setting anti-deformation mechanism on the anchor clamps support body, anti-deformation mechanism includes spiral lift, spiral lift includes quick-witted case and stretches out to the outside lead screw of quick-witted case, the tip of lead screw is equipped with the connecting plate that is used for being connected with the workstation, its characterized in that: the machine case is provided with an inner sleeve sleeved on the screw rod, the inner wall of the inner sleeve and the screw rod are arranged at intervals to form a lubricating cavity for containing a lubricant, the outer periphery of the inner sleeve is sleeved with an outer sleeve fixedly connected with the screw rod, and the inner wall of the outer sleeve is in sliding sealing fit with the inner wall of the inner sleeve.
7. The rail clip of claim 6, wherein: and a sealing ring is arranged between the outer sleeve and the inner sleeve, and the outer sleeve is provided with an end face for scraping impurities attached to the outer peripheral surface of the inner sleeve.
8. The stringer jig of claim 6 or 7 wherein: and an oil filling channel communicated with the lubricating cavity is arranged on the outer sleeve at the upper part of the inner sleeve.
9. The rail clip of claim 8, wherein: the outer sleeve is provided with a containing cavity for containing the inner sleeve, and the oiling channel penetrates through the wall of the containing cavity.
10. The stringer jig of claim 6 or 7 wherein: a boss is arranged at the position of the screw rod on the case, and the inner sleeve is sleeved on the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213756.2U CN209867776U (en) | 2019-02-20 | 2019-02-20 | Longitudinal beam clamp and anti-deformation mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213756.2U CN209867776U (en) | 2019-02-20 | 2019-02-20 | Longitudinal beam clamp and anti-deformation mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209867776U true CN209867776U (en) | 2019-12-31 |
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ID=68952945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920213756.2U Active CN209867776U (en) | 2019-02-20 | 2019-02-20 | Longitudinal beam clamp and anti-deformation mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209867776U (en) |
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2019
- 2019-02-20 CN CN201920213756.2U patent/CN209867776U/en active Active
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