CN110842451A - Car B post crossbeam anchor clamps - Google Patents
Car B post crossbeam anchor clamps Download PDFInfo
- Publication number
- CN110842451A CN110842451A CN201911229861.6A CN201911229861A CN110842451A CN 110842451 A CN110842451 A CN 110842451A CN 201911229861 A CN201911229861 A CN 201911229861A CN 110842451 A CN110842451 A CN 110842451A
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- block
- positioning
- driving device
- mounting frame
- clamping
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
Abstract
The invention discloses an automobile B-column beam clamp which comprises a boss positioning unit, a clamping unit and a positioning block positioning unit which are sequentially arranged; the boss positioning unit comprises a first main mounting frame, a first driving device is arranged on the first main mounting frame, a driving rod of the first driving device extends and retracts towards the oblique lower side, a first moving plate is fixedly connected to the driving rod, a contraction limiting device is arranged in the return stroke of the first moving plate, and the contraction limiting device is connected with the first main mounting frame; and the left end and the right end of the first movable plate are respectively provided with a group of lug boss fixing devices, and the lug boss fixing devices have consistent structures and are in mirror symmetry. According to the invention, one air cylinder is adopted to control and position two protruding parts, and the other air cylinder is used to control and position two positioning blocks, and then clamping and pressing of the clamping unit are matched, so that enough space is provided beside a welding point of each small part for a welding gun to enter, and the problem that the welding gun cannot enter because the welding space is influenced by the positioning of a single small part by a traditional double-air-cylinder clamp is solved.
Description
Technical Field
The invention belongs to the field of automobile workpiece clamps, and particularly relates to an automobile B-pillar beam clamp.
Background
The automobile B column is short for the automobile body pillar. The B column is arranged between a front seat and a rear seat of the cab, namely a longitudinal bar between two doors on two sides and extends from the roof to the bottom of the vehicle. As shown in fig. 5, the existing automobile B-pillar comprises a cross beam, wherein the cross beam comprises a small welded part protruding portion and a positioning block, the short section on the left side of the cross beam is two first protruding portions, the long section on the right side of the cross beam is two second protruding portions, the distance between the first protruding portions and the positioning block is short, the number of welding spots is large, stable clamping of a workpiece is required, and enough space is kept to facilitate entering of a welding gun. In the traditional machining process, a clamp is required to clamp a beam of the automobile B column, and small parts such as a convex part, a positioning block and the like are welded with the automobile B column; the existing clamp has the following problems: lack of positioning for small parts, the small parts being held by hand for welding may reduce machining accuracy. If adopt traditional anchor clamps to press from both sides tight widget, need adopt two cylinder anchor clamps, the rising and the decline of a cylinder control layering are used for compressing tightly the crossbeam, the layering side is located to another cylinder, a locating pin for control positioning widget, but because the interval of first bellying and locating piece is shorter, if want two first bellyings of centre gripping, need install two traditional anchor clamps, the cylinder of control locating pin can encroach on too much space, hinder welder's entering, will influence the locating piece welding certainly, can't carry out welding operation.
Disclosure of Invention
The invention aims to solve the technical problems and provides the automobile B-pillar beam clamp which is convenient for a welding gun to enter, good in clamping stability and high in machining precision.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a B-pillar beam clamp for an automobile comprises a boss positioning unit, a clamping unit and a positioning block positioning unit which are sequentially arranged; the boss positioning unit comprises a first main mounting frame, a first driving device is arranged on the first main mounting frame, a driving rod of the first driving device extends and retracts towards the oblique lower side, a first moving plate is fixedly connected to the driving rod, a contraction limiting device is arranged in the return stroke of the first moving plate, and the contraction limiting device is connected with the first main mounting frame; the left end and the right end of the first movable plate are respectively provided with a group of bulge fixing devices, the structures of the bulge fixing devices are consistent and in mirror symmetry, each group of bulge fixing devices comprises an oblique support, the oblique support is connected with the first movable plate, a bulge fixing groove is formed in the oblique support, a first positioning pin inserted into a bulge mounting hole is arranged in the bulge fixing groove, and a protection plate is arranged beside the bulge fixing groove; a cross beam lower pressing block is arranged between the two groups of lug boss fixing devices and fixedly connected with the first moving plate; a flanging front clamping block for clamping the flanging of the cross beam is arranged behind the lower pressing block of the cross beam and is connected with the first main mounting frame;
the clamping unit comprises a transverse pressing strip and a second driving device for driving the transverse pressing strip to be pressed and opened up and down, and the second driving device is arranged on the second main mounting frame; one end of the transverse pressing bar extends into the boss positioning unit and is provided with a cross beam upper pressing block matched with the cross beam lower pressing block, and a flanging rear clamping block matched with the flanging front clamping block is further arranged behind the transverse pressing bar at the end; a mounting hole upper press block is arranged at the other end of the transverse pressing bar corresponding to the beam mounting hole, a second positioning pin inserted into the beam mounting hole is arranged right below the mounting hole upper press block, the second positioning pin is mounted on a positioning pin mounting seat, and the positioning pin mounting seat is fixedly connected with a second main mounting frame;
the positioning block positioning unit comprises a third main mounting frame, a third driving device is arranged on the third main mounting frame, a driving rod of the third driving device horizontally stretches, the front end of the driving rod of the third driving device is fixedly connected with a second movable plate, an extension limiting device is arranged in the advancing stroke of the second movable plate, and the extension limiting device is connected with the third main mounting frame; the second movable plate is symmetrically provided with two positioning block rear clamping blocks, positioning block positioning pins inserted into the positioning block mounting holes are arranged on the positioning block rear clamping blocks, positioning block front clamping blocks are arranged in front of the positioning block rear clamping blocks, the positioning block front clamping blocks are mounted on the clamping block support, and the clamping block support is connected with a third main mounting frame.
As a further technical scheme, the oblique support comprises two L-shaped modules, wherein a transverse edge of one L-shaped module is connected with the first moving plate, a vertical edge of the other L-shaped module is connected with the outer side of the vertical edge, and a protruding part fixing groove is formed in the transverse edge of the other L-shaped module.
As a further technical scheme, the contraction limiting device comprises a contraction limiting block and a first connecting block, the contraction limiting block is connected with the first main mounting frame through the first connecting block, the contraction limiting block is arranged in the return stroke of the first movable plate, after the driving rod of the first driving device contracts, the contraction limiting block abuts against the inner surface of the first movable plate, and the protruding portion reaches the welding position.
As a further technical solution, the reciprocating stroke of the first moving plate is smaller than the reciprocating stroke of the driving rod of the first driving device.
As a further technical scheme, the extension limiting device comprises an extension limiting block and a second connecting block, the first extension limiting block is connected with the third main mounting frame through the second connecting block, the extension limiting block is arranged in the extension stroke of the second moving plate, when the driving rod of the third driving device extends, the extension limiting block abuts against the outer surface of the second moving plate, and the clamping block behind the positioning block is clamped with the clamping block in front of the positioning block.
As a further technical solution, the reciprocating stroke of the second moving plate is smaller than the reciprocating stroke of the driving rod of the third driving device.
As a further technical solution, the first driving device, the second driving device and the third driving device are air cylinders.
Compared with the prior art, the invention has the beneficial effects that:
1. the positioning device is mainly used for fixing the partial sections of the first protruding part and the positioning block in the beam, when the positioning device is used, the B-pillar beam of the automobile is fixed, and meanwhile, small parts to be welded are also sequentially placed in the protruding part positioning unit and the positioning block positioning unit, so that a manual positioning mode is avoided, and the positioning accuracy and the processing precision are improved.
2. The positioning device comprises a boss positioning unit, a clamping unit and a positioning block positioning unit, wherein the boss positioning unit, the clamping unit and the positioning block positioning unit are used as a whole to synchronously position and clamp a cross beam and small parts; the clamping unit not only cooperates with the boss positioning unit to compress the cross beam up and down and front and back as the upper pressure arm, so that the clamping stability is improved, but also designs and cooperates a positioning pin for the cross beam mounting hole to accurately position the cross beam, and the positioning block positioning unit designs a clamping block and a positioning pin for a positioning block, so that the processing precision is improved.
3. According to the invention, one air cylinder is adopted to control and position two protruding parts, and the other air cylinder is used to control and position two positioning blocks, and then clamping and pressing of the clamping unit are matched, so that enough space is provided beside a welding point of each small part for a welding gun to enter, and the problem that the welding gun cannot enter due to the influence on the welding space caused by the positioning of a single small part by the traditional double-air-cylinder clamp is solved.
Drawings
FIG. 1 is a schematic structural view of a B-pillar beam clamp of an automobile according to the present invention;
FIG. 2 is a schematic structural diagram of a protrusion positioning unit according to the present invention;
wherein (i) the front side, (ii) the side, (iii) the back side;
FIG. 3 is a schematic structural diagram of a clamping unit according to the present invention;
wherein (i) the front face, (ii) the side face;
FIG. 4 is a schematic structural view of a positioning block positioning unit according to the present invention;
wherein (i) the front face, (ii) the side face;
FIG. 5 is a schematic structural view of a welded B-pillar of an automobile;
FIG. 6 is a view showing a state of use of the jig for a B-pillar beam of an automobile according to the present invention.
Reference numerals:
1-lug locating unit, 1.1-first main mounting frame, 1.2-first driving device, 1.3-first moving plate, 1.4-contraction limiting device, 1.41-contraction limiting block, 1.42-first connecting block, 1.5-oblique support, 1.6-cross beam lower pressing block, 1.7-first locating pin, 1.8-protection plate, 1.9-flanging front clamping block and 1.10-lug fixing groove;
2-a clamping unit, 2.1-a second main mounting frame, 2.2-a second driving device, 2.3-a transverse layering, 2.4-a pressing block on a mounting hole, 2.5-a pressing block on a cross beam, 2.6-a flanging rear clamping block, 2.7-a second positioning pin and 2.8-a positioning pin mounting seat;
3-positioning block positioning unit, 3.1-third main mounting frame, 3.2-third driving device, 3.3-extension limiting device, 3.31-extension limiting block, 3.32-second connecting block, 3.4-second moving plate, 3.5-positioning block rear clamping block, 3.6-positioning block front clamping block, 3.7-clamping block support and 3.8-positioning block positioning pin.
4-automobile B column, 4.1-lug boss, 4.2-positioning block and 4.3-beam.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited to the scope of the examples.
Example 1:
as shown in fig. 1-4, an automobile B-pillar beam clamp comprises a boss positioning unit 1, a clamping unit 2 and a positioning block positioning unit 3 which are arranged in sequence on the same substrate; the boss positioning unit 1 comprises a first main mounting frame 1.1, a first driving device 1.2 is arranged on the first main mounting frame 1.1, the first driving device 1.2 is a three-axis cylinder, a driving rod of the first driving device 1.2 extends and retracts towards the oblique lower part, a first moving plate 1.3 is fixedly connected onto the driving rod, a retraction limiting device 1.4 is arranged in the retraction stroke of the first moving plate 1.3, and the retraction limiting device 1.4 is connected with the first main mounting frame 1.1; the left end and the right end of the first moving plate 1.3 are respectively provided with a group of boss fixing devices, the structures of the boss fixing devices are consistent and symmetrical in a mirror image mode, each group of boss fixing devices comprises an oblique support 1.5, the oblique support 1.5 is connected with the first moving plate 1.3, a boss fixing groove 1.10 is arranged on the oblique support 1.5, a first positioning pin 1.7 inserted into a boss mounting hole is arranged in the boss fixing groove 1.10, and a protection plate 1.8 is arranged beside the boss fixing groove 1.10; a cross beam lower pressing block 1.6 is arranged between the two groups of lug boss fixing devices, and the cross beam lower pressing block 1.6 is fixedly connected with the first moving plate 1.3; a flanging front clamping block 1.9 for clamping the flanging of the cross beam is arranged behind the cross beam lower pressing block 1.6, and the flanging front clamping block 1.9 is connected with the first main mounting frame 1.1; the oblique support 1.5 comprises two L-shaped modules, wherein the transverse edge of one L-shaped module is connected with the first moving plate 1.3, the outer side of the vertical edge is connected with the vertical edge of the other L-shaped module, and the transverse edge of the other L-shaped module is provided with a protruding part fixing groove 1.10; the contraction limiting device 1.4 comprises a contraction limiting block 1.41 and a first connecting block 1.42, the contraction limiting block 1.41 is connected with the first main mounting frame 1.1 through the first connecting block 1.42, and the contraction limiting block 1.41 is arranged in the contraction stroke of the first moving plate 1.3; after the driving rod of the first driving device 1.2 contracts, the contraction limiting block 1.41 abuts against the inner surface of the first moving plate 1.3, the boss reaches the welding position, and the round trip stroke of the first moving plate 1.3 is smaller than that of the driving rod of the first driving device 1.2, so that the contraction position of the driving rod can be successfully positioned, and the driving rod can be prevented from being easily damaged due to the fact that the driving rod runs through the whole stroke.
The clamping unit 2 comprises a transverse pressing bar 2.3 and a second driving device 2.2 for driving the transverse pressing bar 2.3 to vertically press and open, the second driving device 2.2 is arranged on a second main mounting frame 2.1, the second driving device 2.2 comprises a single-shaft cylinder, the single-shaft cylinder is vertically mounted, the upper end of the single-shaft cylinder is connected with a clamping block, the clamping block horizontally clamps or opens a replaceable clamping arm, the clamping arm is connected with a replaceable transverse pressing bar 2.3, the second driving device 2.2 controls the transverse pressing bar 2.3 to press and open according to a conventional lever principle, the clamping unit is a conventional structure in the field, and the internal structural connection is not described in detail in the invention; one end of the transverse pressing bar 2.3 extends into the boss positioning unit 1 and is provided with a cross beam upper pressing block 2.5 matched with the cross beam lower pressing block 1.6, and a flanging rear clamping block 2.6 matched with the flanging front clamping block 1.9 is further arranged behind the transverse pressing bar 2.3 at the end; the other end of the transverse pressing bar 2.3 is provided with a press block 2.4 on the mounting hole corresponding to the mounting hole of the cross beam, a second positioning pin 2.7 inserted into the mounting hole of the cross beam is arranged under the press block 2.4 on the mounting hole, the second positioning pin 2.7 is arranged on a positioning pin mounting seat 2.8, and the positioning pin mounting seat 2.8 is fixedly connected with a second main mounting frame 2.1.
The positioning block positioning unit 3 comprises a third main mounting frame 3.1, a third driving device 3.2 is arranged on the third main mounting frame 3.1, the third driving device 3.2 is a three-axis cylinder, a driving rod of the third driving device 3.2 horizontally stretches, the front end of the driving rod is fixedly connected with a second moving plate 3.4, an extension limiting device 3.3 is arranged in the advancing stroke of the second moving plate 3.4, and the extension limiting device 3.3 is connected with the third main mounting frame 3.1; two positioning block rear clamping blocks 3.5 are symmetrically arranged on the second moving plate 3.4, positioning block positioning pins 3.8 inserted into the positioning block mounting holes are arranged on the positioning block rear clamping blocks 3.5, positioning block front clamping blocks 3.6 are arranged in front of the positioning block rear clamping blocks 3.5, the driving rod pushes the second moving plate 3.4 forwards, the positioning block rear clamping blocks 3.5 are tightly pressed on the positioning block front clamping blocks 3.6, and the arc-surface shape of the pressing surface is matched with the arc-surface shape of the positioning block 4.2; the front clamping block 3.6 of the positioning block is arranged on a clamping block support 3.7, and the clamping block support 3.7 is connected with the third main mounting frame 3.1; the extension limiting device 3.3 comprises an extension limiting block 3.31 and a second connecting block 3.32, the extension limiting block 3.31 is arranged in the extension stroke of the second moving plate 3.4, when the driving rod of the third driving device 3.2 extends, the extension limiting block 3.31 abuts against the outer surface of the second moving plate 3.4, the rear clamping block 3.5 of the positioning block is clamped with the front clamping block 3.6 of the positioning block, and the round trip stroke of the second moving plate 3.4 is smaller than that of the driving rod of the third driving device 3.2, so that the extension position of the driving rod can be successfully positioned, and the driving rod can be prevented from being easily damaged due to the fact that the driving rod runs through the whole stroke.
The working principle of the invention is as follows:
as shown in fig. 5, the existing B-pillar of the automobile includes a cross beam 4.3, the cross beam 4.3 includes a small part boss 4.1 and a positioning block 4.2, the shorter section on the left side of the cross beam 4.3 is two first bosses, and the longer section on the right side of the cross beam 4.3 is two second bosses.
As shown in fig. 6, the present invention is mainly used for clamping the first protruding portion and the positioning block 4.2, where the workpieces are dense and the welding points are more, which requires both stable clamping of the workpieces and sufficient space for the entry of the welding gun. Before a workpiece is placed, a driving rod of a first driving device 1.2 is in an extension state, a transverse pressing bar 2.3 is in an opening state, a driving rod of a third driving device 3.2 is in a contraction state, two first protruding parts are fixed in protruding part fixing grooves 1.10 through first positioning pins 1.7, and a protection plate 1.8 is used for stabilizing the side surfaces of the first protruding parts; inserting the two positioning blocks 4.2 into the positioning block positioning pins, starting the third driving device 3.2, pushing the second moving plate 3.4 to advance by a driving rod of the third driving device, and pressing the rear clamping block 3.5 of the positioning block on the front clamping block 3.6 of the positioning block so as to fix the two positioning blocks 4.2; then the beam mounting hole is inserted in alignment with the second positioning pin 2.7, the position of the beam 4.3 is adjusted, the three-axis cylinder of the first driving device 1.2 is started, the driving rod is contracted, the first boss is sent to the corresponding mounting position of the beam 4.3, the beam lower pressing block 1.6 is simultaneously abutted against the lower surface of the beam 4.3, and the clamping block 1.9 is abutted against the beam for flanging; the cylinder of the second driving device 2.2 is started, the transverse pressing bar 2.3 is pressed downwards, the press block 2.5 on the beam is pressed on the press block 1.6 under the beam, the press block 2.4 on the mounting hole is pressed on the second positioning pin 2.7, the clamp block 2.6 after flanging and the clamp block 1.9 before flanging are matched front and back to clamp the flanging of the beam in the middle, so that the beam 4.3, the first protruding part and the positioning block 4.2 are firmly clamped, and then welding processing is carried out.
Of course, the boss positioning unit 1 in the present invention can also be used for accurately positioning the second boss, and the problem that the conventional fixture occupies too much welding space and affects the entering of the welding gun is also avoided.
Or, the invention can also carry out the design of corresponding direction for the second bulge and the positioning block, and can also carry out stable clamping and positioning. According to the invention, the positions and sizes of the boss positioning unit 1, the clamping unit 2 and the positioning unit 3 of the positioning block 4.2 can be adjusted and selected conventionally in the field according to the corresponding welding part of the B-column cross beam 4.3 and the size of the B-column cross beam 4.3.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "leading," "trailing," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention. It is also to be understood that, unless expressly stated or limited otherwise, the terms "connected" and "coupled" are intended to be open-ended, i.e., may be fixedly connected; can be a detachable connection; or may be a point connection; may be a direct connection; may be indirectly connected through an intermediate medium, may communicate between the two elements, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations. The connection of the devices, which is not described in detail in the present invention, is understood in the conventional manner in the art.
The above-described embodiments are only specific examples for further explaining the object, technical solution and advantageous effects of the present invention in detail, and the present invention is not limited thereto. Any modification, equivalent replacement, improvement and the like made within the scope of the present disclosure are included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a car B post crossbeam anchor clamps which characterized in that: the clamping device comprises a boss positioning unit, a clamping unit and a positioning block positioning unit which are arranged in sequence; the boss positioning unit comprises a first main mounting frame, a first driving device is arranged on the first main mounting frame, a driving rod of the first driving device extends and retracts towards the oblique lower side, a first moving plate is fixedly connected to the driving rod, a contraction limiting device is arranged in the return stroke of the first moving plate, and the contraction limiting device is connected with the first main mounting frame; the left end and the right end of the first movable plate are respectively provided with a group of bulge fixing devices, the structures of the bulge fixing devices are consistent and in mirror symmetry, each group of bulge fixing devices comprises an oblique support, the oblique support is connected with the first movable plate, a bulge fixing groove is formed in the oblique support, a first positioning pin inserted into a bulge mounting hole is arranged in the bulge fixing groove, and a protection plate is arranged beside the bulge fixing groove; a cross beam lower pressing block is arranged between the two groups of lug boss fixing devices and fixedly connected with the first moving plate; a flanging front clamping block for clamping the flanging of the cross beam is arranged behind the lower pressing block of the cross beam and is connected with the first main mounting frame;
the clamping unit comprises a transverse pressing strip and a second driving device for driving the transverse pressing strip to be pressed and opened up and down, and the second driving device is arranged on the second main mounting frame; one end of the transverse pressing bar extends into the boss positioning unit and is provided with a cross beam upper pressing block matched with the cross beam lower pressing block, and a flanging rear clamping block matched with the flanging front clamping block is further arranged behind the transverse pressing bar at the end; a mounting hole upper press block is arranged at the other end of the transverse pressing bar corresponding to the beam mounting hole, a second positioning pin inserted into the beam mounting hole is arranged right below the mounting hole upper press block, the second positioning pin is mounted on a positioning pin mounting seat, and the positioning pin mounting seat is fixedly connected with a second main mounting frame;
the positioning block positioning unit comprises a third main mounting frame, a third driving device is arranged on the third main mounting frame, a driving rod of the third driving device horizontally stretches, the front end of the driving rod of the third driving device is fixedly connected with a second movable plate, an extension limiting device is arranged in the advancing stroke of the second movable plate, and the extension limiting device is connected with the third main mounting frame; the second movable plate is symmetrically provided with two positioning block rear clamping blocks, positioning block positioning pins inserted into the positioning block mounting holes are arranged on the positioning block rear clamping blocks, positioning block front clamping blocks are arranged in front of the positioning block rear clamping blocks, the positioning block front clamping blocks are mounted on the clamping block support, and the clamping block support is connected with a third main mounting frame.
2. The automobile B-pillar beam clamp of claim 1, wherein: the oblique support comprises two L-shaped modules, wherein the transverse edge of one L-shaped module is connected with the first moving plate, the outer side of the vertical edge is connected with the vertical edge of the other L-shaped module, and the transverse edge of the other L-shaped module is provided with a protruding part fixing groove.
3. The automobile B-pillar beam clamp of claim 1, wherein: the contraction limiting device comprises a contraction limiting block and a first connecting block, the contraction limiting block is connected with the first main mounting frame through the first connecting block, the contraction limiting block is arranged in the return stroke of the first movable plate, after the driving rod of the first driving device contracts, the contraction limiting block is abutted to the inner surface of the first movable plate, and the protruding portion reaches the welding position.
4. The automobile B-pillar beam clamp of claim 3, wherein: the reciprocating stroke of the first moving plate is smaller than that of the driving rod of the first driving device.
5. The automobile B-pillar beam clamp of claim 1, wherein: the extension limiting device comprises an extension limiting block and a second connecting block, the first extension limiting block is connected with the third main mounting frame through the second connecting block, the extension limiting block is arranged in the extension stroke of the second moving plate, after the driving rod of the third driving device extends, the extension limiting block is abutted to the outer surface of the second moving plate, and the clamping block is clamped with the front clamping block of the positioning block after the positioning block.
6. The automobile B-pillar beam clamp of claim 5, wherein: the reciprocating stroke of the second moving plate is smaller than that of the driving rod of the third driving device.
7. The automobile B-pillar beam clamp according to any one of claims 1 to 6, wherein: the first driving device, the second driving device and the third driving device are driven by air cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229861.6A CN110842451A (en) | 2019-12-04 | 2019-12-04 | Car B post crossbeam anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229861.6A CN110842451A (en) | 2019-12-04 | 2019-12-04 | Car B post crossbeam anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110842451A true CN110842451A (en) | 2020-02-28 |
Family
ID=69607653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911229861.6A Pending CN110842451A (en) | 2019-12-04 | 2019-12-04 | Car B post crossbeam anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110842451A (en) |
-
2019
- 2019-12-04 CN CN201911229861.6A patent/CN110842451A/en active Pending
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