CN112775592A - Shock absorber retaining ring welding length fixing device and four-point welding machine comprising same - Google Patents
Shock absorber retaining ring welding length fixing device and four-point welding machine comprising same Download PDFInfo
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- CN112775592A CN112775592A CN202011617585.3A CN202011617585A CN112775592A CN 112775592 A CN112775592 A CN 112775592A CN 202011617585 A CN202011617585 A CN 202011617585A CN 112775592 A CN112775592 A CN 112775592A
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- telescopic mechanism
- piston rod
- linear telescopic
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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 for a procedure covered by only one of the other main groups of this subclass
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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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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Abstract
本发明涉及车用减振器制造设备技术领域，尤其涉及一种减振器挡圈焊接定长装置及包括其的四点焊机，该装置包括底座以及左右两端的设有第一直线伸缩机构和第二直线伸缩机构，第一直线伸缩机构活动部朝右，第一直线伸缩机构沿左右方向伸缩且活动部朝左，第一直线伸缩机构的活动部上设有用于向右顶推挡圈的顶紧压头，所述顶紧压头上供活塞杆穿过的通孔，所述第二直线伸缩机构的活动部上设有推进块，所述底座在所述第一直线伸缩机构和第二直线伸缩机构之间的位置处设有用于支撑活塞杆的支撑机构，所述第一直线伸缩机构和第二直线伸缩机构相互配合从而共同定位挡圈在活塞杆上的位置。本发明效率高、劳动量小，能够调节定位长度，降低工装投入成本。
The invention relates to the technical field of vehicle shock absorber manufacturing equipment, in particular to a shock absorber retaining ring welding fixing device and a four-spot welding machine including the same. Mechanism and the second linear telescopic mechanism, the movable part of the first linear expansion and contraction mechanism faces to the right, the first linear expansion and contraction mechanism expands and contracts in the left-right direction and the movable part faces the left, and the movable part of the first linear expansion and contraction mechanism is provided with The pressing head for pushing the retaining ring, the through hole for the piston rod to pass through on the pressing head, the movable part of the second linear telescopic mechanism is provided with a pushing block, and the base is in the first The position between the linear telescopic mechanism and the second linear telescopic mechanism is provided with a supporting mechanism for supporting the piston rod, and the first linear telescopic mechanism and the second linear telescopic mechanism cooperate with each other to co-locate the retaining ring on the piston rod s position. The invention has high efficiency and small labor, can adjust the positioning length, and reduces the input cost of tooling.
Description
Technical Field
The invention relates to the technical field of vehicle shock absorber manufacturing equipment, in particular to a shock absorber check ring welding length fixing device and a four-point welding machine comprising the same.
Background
Traditional car shock absorber retaining ring welding length fixing device is by the welding dimension of technology fixed length sleeve restriction retaining ring, different products need different fixed length technology sleeve pipes, wear the retaining ring back on the piston rod, need the manual work to wear the piston rod retaining ring sub-assembly in technology fixed length sleeve again, thereby realize the welding position of retaining ring, then carry out welding operation on four-point welding machine again, this kind of operating method is inefficient, high in labor strength, and every kind of fixed length technology section of thick bamboo can only correspond piston rod and the retaining ring of a location shock absorber, unable positioning length of adjusting, when meetting the different shock absorber production in retaining ring position, need be equipped with the fixed length technology section of thick bamboo of a plurality of different lengths, the actual production has more inconvenient place, can not effectual promotion production efficiency, and the frock cost has been increased.
Disclosure of Invention
The invention provides a welding length fixing device for a check ring of a shock absorber, which aims to solve the problems that the efficiency is low and the positioning length cannot be adjusted in the prior art. Simultaneously, the four-point welding machine comprises the vibration damper retainer ring welding length control device.
The invention discloses a welding length control device for a shock absorber check ring, which adopts the following technical scheme:
a welding length control device for a shock absorber check ring is used for positioning the position of the check ring on a piston rod and comprises a base, wherein a first linear telescopic mechanism and a second linear telescopic mechanism are respectively arranged at the left end and the right end of the base, the first linear telescopic mechanism is telescopic along the left-right direction, a movable part of the first linear telescopic mechanism is towards the right, the second linear telescopic mechanism is telescopic along the left-right direction, a movable part of the second linear telescopic mechanism is towards the left, a jacking pressure head for jacking the check ring towards the right is arranged on the movable part of the first linear telescopic mechanism, a through hole which extends along the left-right direction and is used for the piston rod to pass through is arranged on the jacking pressure head, a propelling block for jacking the piston rod towards the left is arranged on the movable part of the second linear telescopic mechanism, and a supporting mechanism which is used for supporting the piston rod so as to coaxially correspond to the through, the first linear telescopic mechanism and the second linear telescopic mechanism are mutually matched so as to jointly position the position of the retainer ring on the piston rod.
The first linear telescopic mechanism comprises a vertical plate extending in the vertical direction and a pushing cylinder fixedly mounted on the vertical plate and with a movable part facing right, and the pushing pressure head is arranged on the movable part of the pushing cylinder.
The device is characterized in that a jacking plate extending along the vertical direction is arranged on the movable part of the cylinder, the jacking pressure head penetrates through the lower end of the jacking plate along the left-right direction, a guide rod extending along the left-right direction is arranged at the upper end of the jacking plate, and the guide rod slides left and right to penetrate through the corresponding position of the vertical plate.
The left end of the jacking pressure head is provided with a sleeve extending along the left-right direction, the sleeve slides left and right to penetrate the position corresponding to the vertical plate, the left end of the inner cavity of the sleeve is closed, the right end of the inner cavity of the sleeve is communicated with the through hole of the jacking pressure head, and an elastic pushing assembly used for enabling the piston rod to retreat right from the through hole of the jacking pressure head is arranged in the inner cavity of the sleeve.
The elastic part pushing assembly comprises a compression spring extending in the left-right direction and a pushing block arranged at the right end of the compression spring.
The second linear telescopic mechanism comprises a support, a sliding rail and a sliding block, wherein the sliding rail extends along the left direction and the right direction, the sliding block is assembled on the sliding rail, a screw rod extending along the left direction and the right direction is further arranged on the support, the screw rod is threaded on the sliding block, the right end of the support is provided with a stepping motor used for driving the screw rod to rotate, the sliding block forms a movable part of the second linear telescopic mechanism, and the propelling block is arranged at the left end of the sliding block.
The supporting mechanism comprises two supporting plates which are arranged at left and right sides at intervals, and grooves for supporting the piston rods are correspondingly arranged at the upper end of each supporting plate left and right.
The base is provided with a support cylinder which stretches out and draws back along the up-down direction corresponding to the position of the left support plate, and the lower end of the left support plate is fixedly connected with the movable part of the support cylinder.
Be equipped with the finger cylinder between two backup pads, two fingers portions of finger cylinder are located the front and back both sides of piston rod respectively, and all be equipped with the direction grip block that is used for the centre gripping piston rod on two fingers portions of finger cylinder, thereby the piston rod is restricted when two grip block centre gripping piston rods and prevents that the piston rod from taking place the skew when the horizontal slip.
The four-point welding machine adopts the following technical scheme:
a four-point welding machine comprises a machine body, wherein a shock absorber check ring welding length fixing device is arranged on a welding station of the machine body and comprises a base, a first linear telescopic mechanism and a second linear telescopic mechanism are respectively arranged at the left end and the right end of the base, the first linear telescopic mechanism is telescopic along the left-right direction, the movable part of the first linear telescopic mechanism faces to the right, the first linear telescopic mechanism is telescopic along the left-right direction, the movable part of the first linear telescopic mechanism faces to the left, a jacking pressure head for pushing the check ring to the right is arranged on the movable part of the first linear telescopic mechanism, a through hole for a piston rod to pass through is arranged on the jacking pressure head and extends along the left-right direction, a propelling block for pushing the piston rod to the left is arranged on the movable part of the second linear telescopic mechanism, and a supporting mechanism for supporting the piston rod to coaxially correspond to the through hole is arranged at the position of the base between the first linear telescopic mechanism and, the first linear telescopic mechanism and the second linear telescopic mechanism are mutually matched so as to jointly position the position of the retainer ring on the piston rod.
The first linear telescopic mechanism comprises a vertical plate extending in the vertical direction and a pushing cylinder fixedly mounted on the vertical plate and with a movable part facing right, and the pushing pressure head is arranged on the movable part of the pushing cylinder.
The device is characterized in that a jacking plate extending along the vertical direction is arranged on the movable part of the cylinder, the jacking pressure head penetrates through the lower end of the jacking plate along the left-right direction, a guide rod extending along the left-right direction is arranged at the upper end of the jacking plate, and the guide rod slides left and right to penetrate through the corresponding position of the vertical plate.
The left end of the jacking pressure head is provided with a sleeve extending along the left-right direction, the sleeve slides left and right to penetrate the position corresponding to the vertical plate, the left end of the inner cavity of the sleeve is closed, the right end of the inner cavity of the sleeve is communicated with the through hole of the jacking pressure head, and an elastic pushing assembly used for enabling the piston rod to retreat right from the through hole of the jacking pressure head is arranged in the inner cavity of the sleeve.
The elastic part pushing assembly comprises a compression spring extending in the left-right direction and a pushing block arranged at the right end of the compression spring.
The second linear telescopic mechanism comprises a support, a sliding rail and a sliding block, wherein the sliding rail extends along the left direction and the right direction, the sliding block is assembled on the sliding rail, a screw rod extending along the left direction and the right direction is further arranged on the support, the screw rod is threaded on the sliding block, the right end of the support is provided with a stepping motor used for driving the screw rod to rotate, the sliding block forms a movable part of the second linear telescopic mechanism, and the propelling block is arranged at the left end of the sliding block.
The supporting mechanism comprises two supporting plates which are arranged at left and right sides at intervals, and grooves for supporting the piston rods are correspondingly arranged at the upper end of each supporting plate left and right.
The base is provided with a support cylinder which stretches out and draws back along the up-down direction corresponding to the position of the left support plate, and the lower end of the left support plate is fixedly connected with the movable part of the support cylinder.
Be equipped with the finger cylinder between two backup pads, two fingers portions of finger cylinder are located the front and back both sides of piston rod respectively, and all be equipped with the direction grip block that is used for the centre gripping piston rod on two fingers portions of finger cylinder, thereby the piston rod is restricted when two grip block centre gripping piston rods and prevents that the piston rod from taking place the skew when the horizontal slip.
The invention has the beneficial effects that: according to the invention, the first linear telescopic mechanism and the second linear telescopic mechanism replace manpower to perform fixed-length positioning on the check ring on the piston rod penetrating through the check ring on the supporting mechanism, the check ring can be accurately pushed to a target position only by setting respective elongation of the first linear telescopic mechanism and the second linear telescopic mechanism in advance according to product data when in use, the whole process only needs to manually control a switch and perform process supervision, the efficiency is high, the labor capacity is small, the position of the check ring on the piston rod can be adjusted according to the requirement of an actual product, the positioning length can be adjusted, and the applicability is higher.
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, and 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 creative efforts.
FIG. 1 is a front view of an embodiment of a shock absorber retainer welding length control device of the present invention;
FIG. 2 is a top view corresponding to FIG. 1;
FIG. 3 is a left side view corresponding to FIG. 1;
FIG. 4 is a right side view corresponding to FIG. 1;
FIG. 5 is an enlarged schematic view at A in FIG. 1;
in the figure: 1. the base, 2, the riser, 3, the top pushes away the cylinder, 31, the board is advanced in the top, 32, the guide bar, 4, the tight pressure head in top, 41, the through-hole, 5, the sleeve, 51, compression spring, 52, the limiting plate, 53, stop screw, 54, the ejector pad, 6, left branch fagging, 61, right branch fagging, 62, support cylinder, 63, the finger cylinder, 64, the direction grip block, 65, the finger portion, 66, the limiting block, 7, the support, 71, the slide rail, 72, step motor, 73, the slider, 74, impel the piece, 75, the lead screw, 8, the retaining ring, 9, the piston rod.
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.
The embodiment of the invention relates to an embodiment of a welding length-fixing device for a shock absorber check ring 8, which is shown in figures 1 to 4, and comprises a base 1 fixedly arranged on a four-point welding machine, wherein the left end and the right end of the base 1 are respectively provided with a first linear telescopic mechanism and a second linear telescopic mechanism, the first linear telescopic mechanism is telescopic along the left-right direction, the movable part of the first linear telescopic mechanism faces to the right, the second linear telescopic mechanism is telescopic along the left-right direction, the movable part of the second linear telescopic mechanism faces to the left, the movable part of the first linear telescopic mechanism is provided with a jacking pressure head 4 for pushing the check ring 8 to the right, the jacking pressure head 4 is provided with a through hole 41 extending along the left-right direction and allowing the piston rod 9 to penetrate through, the movable part of the second linear telescopic mechanism is provided with a pushing block 74 for pushing the piston rod 9 to the left, and the base 1 is provided with a position between the first linear telescopic mechanism and the second linear telescopic mechanism for supporting The supporting mechanism, the first linear telescopic mechanism and the second linear telescopic mechanism which are coaxially corresponding to the through hole 41 are mutually matched so as to position the position of the retainer ring 8 on the piston rod 9 together.
Further, the first linear telescopic mechanism comprises a vertical plate 2 extending in the vertical direction and a pushing cylinder 3 fixedly installed on the vertical plate 2 and having a movable part facing to the right, and the pushing pressure head 4 is arranged on the movable part of the pushing cylinder 3.
Further, in order to stabilize the pushing effect of the pushing ram 4, a pushing plate 31 extending in the up-down direction is arranged on the movable portion of the pushing cylinder 3, the pushing ram 4 penetrates through the lower end of the pushing plate 31 in the left-right direction, a guide rod 32 extending in the left-right direction is arranged at the upper end of the pushing plate 31, and the guide rod 32 slides in the left-right direction and penetrates through the corresponding position of the vertical plate 2.
Further, in order to enable the piston rod 9 to automatically withdraw from the through hole 41 after the retainer ring 8 is welded, the left end of the jacking pressure head 4 is provided with a sleeve 5 extending along the left-right direction, the sleeve 5 slides left and right to penetrate the position corresponding to the vertical plate 2, the left end of the inner cavity of the sleeve 5 is closed, the right end of the inner cavity of the sleeve 5 is communicated with the through hole 41 of the jacking pressure head 4, and an elastic jacking assembly for withdrawing the piston rod 9 from the through hole 41 of the jacking pressure head 4 to the right is arranged in the inner cavity of the sleeve 5.
Specifically, the left end of the sleeve 5 is provided with a limiting assembly for limiting the rightward running distance of the sleeve 5, the limiting assembly comprises a limiting plate 52 fixed at the left end of the sleeve 5, the front end and the rear end of the limiting plate 52 are in overhanging and are all provided with limiting screws 53 in a threaded penetrating manner from left to right, the right end of each limiting screw 53 is in blocking contact with the corresponding position of the vertical plate 2 after the sleeve 5 runs rightwards to a set distance, so that the rightward running distance of the sleeve 5 is limited, the rightward sliding length of the sleeve 5 can be adjusted by adjusting the left position and the right position of each limiting screw 53 when the sleeve 5 is located at the leftmost position, and the rightward running distance of the jacking pressure head 4 can be adjusted.
Further, for effective and stable ejection of the piston rod 9, the elastic member ejecting assembly includes a compression spring 51 extending in the left-right direction and an ejecting block 54 disposed at the right end of the compression spring 51.
Further, the second linear telescopic mechanism comprises a support 7, a slide rail 71 which is arranged on the support 7 and extends along the left-right direction, and a slide block 73 which is assembled on the slide rail 71 in a sliding manner, a screw rod 75 which extends along the left-right direction is further arranged on the support 7, the screw rod 75 is threaded on the slide block 73, so that the screw rod 75 and the slide block 73 form a nut screw rod driving mechanism, a stepping motor 72 which is used for driving the screw rod 75 to rotate is arranged at the right end of the support 7, the slide block 73 forms a movable part of the second linear telescopic mechanism, and a propelling block 74 is arranged at the left end of the slide block 73.
Further, the supporting mechanism comprises two supporting plates arranged at left and right sides at intervals, grooves used for supporting the piston rods 9 are correspondingly formed in the upper end of each supporting plate in a left-right mode, and the supporting plates are divided into a left supporting plate 6 and a right supporting plate 61.
Further, in order to facilitate taking and placing the piston rod 9, a supporting cylinder 62 which extends and retracts in the vertical direction is arranged at a position, corresponding to the left supporting plate, of the base 1, namely the left supporting plate 6, a movable portion of the supporting cylinder 62 is fixedly connected to the lower end, namely the left supporting plate 6, of the left supporting plate, and a limiting block 66 which prevents the check ring from moving excessively is arranged at a groove in the left side of the upper end of the left supporting plate 6.
Further, a finger cylinder 63 is arranged between the two support plates, two finger parts 65 of the finger cylinder 63 are respectively located at the front side and the rear side of the piston rod 9, and a guide clamping block 64 for clamping the piston rod 9 is arranged on each of the two finger parts 65 of the finger cylinder 63, so that the piston rod 9 is limited when the two clamping blocks clamp the piston rod 9, and the piston rod 9 is prevented from deflecting when sliding left and right.
The clamping blocks are provided with grooves matched with the shape of the piston rod 9, and one finger part 65 can be provided with two clamping blocks which are spaced left and right, so that a more stable clamping and deflection preventing effect is obtained.
In other embodiments, the first linear expansion mechanism may also be a nut screw 75 mechanism driven by the stepping motor 72; the second linear telescopic mechanism can also be other telescopic mechanisms with extension positioning capability, such as an electric push rod.
In other embodiments, the elastic pushing assembly may also include a rubber block having elasticity and a top plate disposed at the right end of the rubber block.
In other embodiments, the supporting mechanism may also be a supporting frame provided with a supporting groove.
The finger cylinder 63, the supporting cylinder 62, the pushing cylinder 3 and the stepping motor 72 are all existing devices.
When the welding machine works specifically, the limiting distance of the limiting screw 53 and the initial position and the stop position of the sliding block 73 are preset, then a feeding mechanism or a manual work places the piston rod 9 with the retainer ring 8 at the left end on the right supporting plate 61, the piston rod 9 is supported by the left supporting plate 6 together with the right supporting plate 61 after the left supporting plate is pushed by the supporting cylinder 62 to rise, the finger cylinder 63 is started to clamp the piston rod 9 to ensure that the piston rod 9 can move left and right and prevent the piston rod 9 from deviating during movement, at the moment, the pushing cylinder 3 and the stepping motor 72 can be started to operate, the pushing pressure head 4 moves right and the piston rod 9 moves left, the left end of the piston rod 9 is inserted into the through hole 41 and pushes the pushing block 54 to compress the compression spring 51, the compression spring 51 is pressurized and accumulated, the retainer ring 8 is pushed to be limited to the specified position, when the welding is finished, the pushing cylinder 3 and the sliding block 73 return, in the process, the compression spring 51 extends, the piston rod 9 is withdrawn from the through hole 41 of the pushing head 4, and the welded piston rod 9 and the check ring 8 can be taken down to finish one-time operation.
According to the invention, the first linear telescopic mechanism and the second linear telescopic mechanism replace manpower to perform fixed-length positioning on the check ring 8 on the piston rod 9 penetrating through the check ring 8 on the supporting mechanism, when in use, the check ring 8 can be accurately pushed to a target position only by setting respective elongation of the first linear telescopic mechanism and the second linear telescopic mechanism in advance according to product data, the whole process only needs to manually control a switch and perform process supervision, the efficiency is high, the labor capacity is small, the position of the check ring 8 on the piston rod 9 can be adjusted according to the requirement of an actual product, the positioning length can be adjusted, and the applicability is higher.
The utility model provides a four-point welding machine, four-point welding machine includes the organism, be equipped with shock absorber retaining ring welding length fixing device on the welding station of organism, shock absorber retaining ring welding length fixing device is above-mentioned shock absorber retaining ring welding length fixing device, and the event is no longer repeated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a shock absorber retaining ring welding length fixing device for the position of location retaining ring on the piston rod, its characterized in that: comprises a base, wherein a first linear telescopic mechanism and a second linear telescopic mechanism are respectively arranged at the left end and the right end of the base, wherein the first linear telescopic mechanism is telescopic along the left-right direction and the movable part faces to the right, the second linear telescopic mechanism is telescopic along the left-right direction and the movable part faces to the left, a pushing pressure head for pushing the retainer ring rightwards is arranged on the movable part of the first linear telescopic mechanism, the jacking pressure head is provided with a through hole which extends along the left-right direction and is used for a piston rod to pass through, the movable part of the second linear telescopic mechanism is provided with a propelling block which is used for pushing the piston rod leftwards, the base is provided with a supporting mechanism used for supporting the piston rod to enable the piston rod to coaxially correspond to the through hole at a position between the first linear telescopic mechanism and the second linear telescopic mechanism, the first linear telescopic mechanism and the second linear telescopic mechanism are mutually matched so as to jointly position the position of the retainer ring on the piston rod.
2. The welding length control device for the shock absorber check ring according to claim 1, characterized in that: the first linear telescopic mechanism comprises a vertical plate extending in the vertical direction and a pushing cylinder fixedly mounted on the vertical plate and with a movable part facing right, and the pushing pressure head is arranged on the movable part of the pushing cylinder.
3. The welding length control device for the shock absorber check ring according to claim 2, characterized in that: the device is characterized in that a jacking plate extending along the vertical direction is arranged on the movable part of the cylinder, the jacking pressure head penetrates through the lower end of the jacking plate along the left-right direction, a guide rod extending along the left-right direction is arranged at the upper end of the jacking plate, and the guide rod slides left and right to penetrate through the corresponding position of the vertical plate.
4. The welding length control device for the shock absorber check ring according to claim 3, wherein: the left end of the jacking pressure head is provided with a sleeve extending along the left-right direction, the sleeve slides left and right to penetrate the position corresponding to the vertical plate, the left end of the inner cavity of the sleeve is closed, the right end of the inner cavity of the sleeve is communicated with the through hole of the jacking pressure head, and an elastic pushing assembly used for enabling the piston rod to retreat right from the through hole of the jacking pressure head is arranged in the inner cavity of the sleeve.
5. The welding length control device for the shock absorber check ring according to claim 4, wherein: the elastic part pushing assembly comprises a compression spring extending in the left-right direction and a pushing block arranged at the right end of the compression spring.
6. The welding length control device for the shock absorber check ring according to claim 1, characterized in that: the second linear telescopic mechanism comprises a support, a sliding rail and a sliding block, wherein the sliding rail extends along the left direction and the right direction, the sliding block is assembled on the sliding rail, a screw rod extending along the left direction and the right direction is further arranged on the support, the screw rod is threaded on the sliding block, the right end of the support is provided with a stepping motor used for driving the screw rod to rotate, the sliding block forms a movable part of the second linear telescopic mechanism, and the propelling block is arranged at the left end of the sliding block.
7. The welding length control device for the shock absorber check ring according to claim 1, characterized in that: the supporting mechanism comprises two supporting plates which are arranged at left and right sides at intervals, and grooves for supporting the piston rods are correspondingly arranged at the upper end of each supporting plate left and right.
8. The welding length control device for the shock absorber check ring according to claim 7, wherein: the base is provided with a support cylinder which stretches out and draws back along the up-down direction corresponding to the position of the left support plate, and the lower end of the left support plate is fixedly connected with the movable part of the support cylinder.
9. The welding length control device for the shock absorber check ring according to claim 7 or 8, wherein: be equipped with the finger cylinder between two backup pads, two fingers portions of finger cylinder are located the front and back both sides of piston rod respectively, and all be equipped with the direction grip block that is used for the centre gripping piston rod on two fingers portions of finger cylinder, thereby the piston rod is restricted when two grip block centre gripping piston rods and prevents that the piston rod from taking place the skew when the horizontal slip.
10. A four-point welding machine comprises a machine body, and is characterized in that a shock absorber check ring welding length fixing device is arranged on a welding station of the machine body, and the shock absorber check ring welding length fixing device is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617585.3A CN112775592A (en) | 2020-12-31 | 2020-12-31 | Shock absorber retaining ring welding length fixing device and four-point welding machine comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617585.3A CN112775592A (en) | 2020-12-31 | 2020-12-31 | Shock absorber retaining ring welding length fixing device and four-point welding machine comprising same |
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| CN112775592A true CN112775592A (en) | 2021-05-11 |
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| CN202011617585.3A Pending CN112775592A (en) | 2020-12-31 | 2020-12-31 | Shock absorber retaining ring welding length fixing device and four-point welding machine comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115673622A (en) * | 2022-11-21 | 2023-02-03 | 山推工程机械股份有限公司 | Drive axle welding production line |
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Application publication date: 20210511 |
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