CN210147332U - Spot welding tool for exhaust tail pipe - Google Patents
Spot welding tool for exhaust tail pipe Download PDFInfo
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- CN210147332U CN210147332U CN201920646213.XU CN201920646213U CN210147332U CN 210147332 U CN210147332 U CN 210147332U CN 201920646213 U CN201920646213 U CN 201920646213U CN 210147332 U CN210147332 U CN 210147332U
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Abstract
The utility model relates to an automobile parts processing field specifically is an exhaust tail pipe spot welding frock, be used for carrying out the anchor clamps of clamping location to last lamellar body and lower lamellar body including support frame and a plurality of, anchor clamps include anchor clamps, articulated elements, lower anchor clamps and first cylinder, and lower anchor clamps and first cylinder are all installed on the support frame, and it is articulated with lower anchor clamps that go up anchor clamps through the articulated elements, and the piston rod of first cylinder passes through to form lever structure between articulated elements and the last anchor clamps, and all is equipped with the hollow out construction who is used for carrying out welding operation on anchor clamps and the lower anchor clamps. The utility model has the advantages of simple structure, rationally distributed, it is through placing on anchor clamps down last lamellar body and lower lamellar body together, then under lever structure's effect, make through controlling first cylinder and go up anchor clamps and sticis under anchor clamps, can carry out the clamping location to last lamellar body and lower lamellar body to hollow out construction department on from last anchor clamps and the lower anchor clamps can carry out welding operation to last lamellar body and lower lamellar body.
Description
Technical Field
The utility model relates to an automobile parts processing field specifically is an exhaust tail pipe spot welding frock.
Background
With the continuous improvement of living standard of people, more and more families have private cars, and the development of automobile industry and part industry thereof is greatly accelerated.
In the prior art, the tail pipe is generally formed by an upper sheet body (as shown in fig. 1, reference numeral 100) and a lower sheet body (as shown in fig. 1, reference numeral 200) which are combined together, and then the edge parts of the upper sheet body and the lower sheet body are welded together by a spot welding technology to form a tail pipe finished product, one end of the finished tail pipe is a round hole, and the other end of the finished tail pipe is a flat and long hole. Therefore, a spot welding tool for the tail pipe is provided.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a tail pipe spot welding frock, it carries out accurate clamping location through the upper and lower lamellar body to constituting tail pipe, can cooperate spot welding robot to carry out spot welding operation to solve the not enough that proposes in the above-mentioned background art.
Another object of the utility model is to provide an exhaust tail pipe spot welding is anti-deformation device for frock, its simple structure, rationally distributed can avoid the exhaust tail pipe to scrap because of taking place to warp at the in-process of clamping location.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tail pipe spot welding frock, is used for carrying out the anchor clamps of clamping location to last lamellar body and lower lamellar body including support frame and a plurality of, anchor clamps include anchor clamps, articulated elements, lower anchor clamps and first cylinder all install on the support frame, last anchor clamps pass through the articulated elements and articulate with anchor clamps down, the piston rod of first cylinder pass through and form lever structure between articulated elements and the last anchor clamps, just last anchor clamps and lower anchor clamps on all be equipped with the hollow out construction that is used for carrying out welding operation.
The beneficial effects of the utility model reside in that: the utility model has the advantages of simple structure, rationally distributed, it is placed through last lamellar body and lower lamellar body that will be in the same place on the anchor clamps down, then under lever structure's effect, through control first cylinder makes it sticiss to go up anchor clamps on the anchor clamps down, can carry out the clamping location to last lamellar body and lower lamellar body, and follow last anchor clamps and lower anchor clamps on hollow out construction department can carry out welding operation to last lamellar body and lower lamellar body.
Preferably, the lower clamp comprises at least two first supports, and the upper end of each first support is provided with a bearing surface for bearing the edge of the lower sheet body and a plurality of limiting pins for limiting and fixing the lower sheet body and the upper sheet body. The advantages are that: the supporting surface can support the edge part of the lower sheet body; the lower sheet body and the upper sheet body can be simultaneously limited and fixed on the bearing surface through the limiting pin; and the intervals among the first brackets can form hollow structures, so that the welding operation is convenient.
Preferably, the upper clamp comprises a pressing plate and a plurality of pressing rods which are arranged on the pressing plate and used for pressing the edge part of the upper sheet body, the pressing plate is hinged to one of the first supports through a hinge, and a lever structure is formed between a piston rod of the first air cylinder and the pressing plate through the hinge. The advantages are that: under the action of a lever structure, the pressing plate is controlled by the first air cylinder to press towards the lower clamp, the pressing rods can be tightly pressed on the edge of the upper sheet body, so that the edge of the upper sheet body and the edge of the lower sheet body are tightly attached together, and a hollow structure is formed in a gap between the pressing rods, so that welding operation is facilitated.
Preferably, the pressing plate is in threaded connection with a plurality of pressing bolts for pressing the upper surface of the upper sheet body. The advantages are that: because the upper surface of last lamellar body is irregular form, then the accessible is adjusted each compression bolt's threaded connection's degree of depth makes each compression bolt's lower extreme all contradicts exactly on the upper surface of last lamellar body, can play the effect of compressing tightly.
Preferably, still include anti-deformation device, anti-deformation device is including being used for preventing that tail pipe round hole one end from taking place the first anti-deformation mechanism that warp and being used for preventing that tail pipe prolate hole one end from taking place the second anti-deformation mechanism that warp, first anti-deformation mechanism and second anti-deformation mechanism all install on the support frame. The advantages are that: under the effect of first deformation mechanism and the second deformation mechanism of preapring for an unfavorable turn of events, be difficult for producing the deformation after carrying out the clamping location to lower lamellar body and last lamellar body, improve finished product tail pipe's qualification rate.
Preferably, first anti-deformation mechanism includes vertical installation on the support frame mounting panel, install on the support frame and the activity direction of its piston rod is on a parallel with the planar second cylinder of place of mounting panel, two and are circular-arc backup pad, two connecting plates, first hinge and second hinge, two the one end of backup pad articulated through the first hinge of installing on the mounting panel, two the other end of backup pad each articulated with the one end of a connecting plate, and two the connecting plate on not articulated one end with the backup pad articulated through installing the second hinge on the piston rod of second cylinder. The advantages are that: the piston rod of the second cylinder is controlled to retract, so that the two support plates are in a close state, and at the moment, the outer ring surfaces of the two support plates are close to each other, so that the interference on the placement of the lower sheet body and the placement of the upper sheet body is avoided, and the interference on the removal of the finished exhaust tail pipe is also avoided; the two supporting plates are in a spreading state by controlling the piston rod of the second cylinder to extend out, at the moment, the circle centers of the outer annular surfaces of the two supporting plates are overlapped, and the same circular ring surface is formed by the outer annular surfaces of the two supporting plates, so that the inner wall of one end of the circular hole in the tail pipe can be supported.
Preferably, the mounting plate is provided with a limiting sliding groove along the moving direction of the piston rod of the second cylinder, a limiting sliding block is arranged between the piston rod of the second cylinder and the second hinge shaft, and the limiting sliding block is matched with the inside of the limiting sliding groove in a sliding manner. The advantages are that: the moving precision of the piston rod of the second cylinder is improved, and the two supporting plates are ensured to move on the same plane all the time, so that the supporting effect on one end of the circular hole in the tail pipe is improved.
Preferably, the mounting plate on threaded connection have and be used for restricting the gliding spacing bolt of the extending direction of the piston rod of spacing slider along the second cylinder, spacing bolt be located the one end of keeping away from the second cylinder on the spacing spout, just the length direction of spacing bolt be on a parallel with the sliding direction of spacing slider. The advantages are that: the limiting slide block can be limited by the limiting bolt, so that the tail pipe is prevented from deforming due to an overlarge spreading angle of the two supporting plates; in addition, can be through adjusting the threaded connection's of spacing bolt degree of depth, make spacing slider slide to with when spacing bolt is contradicted, two just the extrados of backup pad the same torus of coexistence, the actual in-process of being convenient for is debugged.
Preferably, the piston rod of the second cylinder is connected with the limit slide block in a sliding manner, and the sliding direction between the piston rod of the second cylinder and the limit slide block is perpendicular to the plane of the mounting plate. The advantages are that: because the second cylinder is installed on the supporting frame, if the position of the piston rod for installing the second cylinder on the limit slider is fixed, and the position of the piston rod for installing the second cylinder on the supporting frame is also fixed, when the second cylinder is installed and fixed with one of the supporting frame and the limit slider, the connection with the other one is difficult to be continuously completed, so that when the piston rod of the second cylinder is in sliding connection with the limit slider, and the sliding direction between the piston rod and the limit slider is perpendicular to the plane of the installing plate, the problem can be well solved.
Preferably, the second is preapred for an unfavorable turn of events shape mechanism and is used for the lower vaulting pole and the last vaulting pole that a plurality of propped up the interior surface of piece under second support, third cylinder, fixed plate, a plurality of are used for propping up the support down the internal surface of piece, the third cylinder pass through the second support mounting on the support frame, lower vaulting pole and last vaulting pole one end all install on the piston rod of third cylinder through the fixed plate, lower vaulting pole and last vaulting pole other end all pass through the flat trompil of the mobile business turn over exhaust tail pipe of third cylinder. The advantages are that: the inner wall of one end of the flat and long hole of the tail pipe can be supported through the lower surface of the lower support rod and the upper surface of the upper support rod, and the tail pipe is prevented from deforming.
Preferably, the lower support rod is provided with a limiting step surface on the lower surface far away from one end of the third cylinder and the upper support rod is provided with a limiting step surface on the upper surface far away from one end of the third cylinder. The advantages are that: the limiting step surface can improve the limiting and fixing effect on the exhaust tail pipe.
Preferably, the spot welding exhaust tail pipe ejection device further comprises an ejection mechanism for ejecting the spot-welded exhaust tail pipe out of the lower fixture, the ejection mechanism comprises a fourth cylinder, a top plate and a plurality of ejection pins, the fourth cylinder is vertically installed on the support frame, the top plate is installed at the upper end of a piston rod of the fourth cylinder, and the plurality of ejection pins are in threaded connection with the upper surface of the top plate. The advantages are that: under the action of the ejection mechanism, the finished tail pipe can be ejected out of the lower clamp; and the upper end of the ejection pin can just abut against the lower surface of the lower sheet body by adjusting the threaded connection depth of the ejection pin, so that ejection force acting on the lower sheet body is scattered, and deformation of the finished exhaust tail pipe during ejection is avoided.
Drawings
Fig. 1 is a schematic perspective view of a tail pipe according to a preferred embodiment of the present invention;
fig. 2 is a schematic perspective view of a spot welding tool for a tail pipe according to a preferred embodiment of the present invention;
FIGS. 3-4 are schematic perspective views of a clamp according to a preferred embodiment of the present invention;
FIGS. 5-6 are schematic diagrams illustrating clamping positioning of the clamp according to a preferred embodiment of the present invention;
fig. 7 to 10 are schematic views illustrating a first deformation preventing mechanism according to a preferred embodiment of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present embodiments more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 10, in an embodiment of the present invention, an automobile tail pipe spot welding tool includes a support frame 1, and a plurality of clamps 2 mounted on the support frame 1 for clamping and positioning an upper sheet 100 and a lower sheet 200, an anti-deformation device, and an ejection mechanism 5 for ejecting a finished tail pipe from the clamps 2; the lower sheet body 200 and the upper sheet body 100 are clamped and positioned through the clamp 2, and are supported and fixed through the anti-deformation device, so that spot welding operation can be carried out by matching with a spot welding robot (an electric welding robot is in the prior art) to obtain a finished automobile tail pipe, and the finished automobile tail pipe is ejected out through the ejection mechanism 5.
In the embodiment, the two clamps 2 are preferably arranged symmetrically left and right, which has the advantages that the clamps can be used for clamping and positioning a pair of tail pipes (the pair of tail pipes can be arranged on an automobile); the clamp 2 comprises an upper clamp 23, a hinge 22, a lower clamp 21 and a first air cylinder 24, the lower clamp 21 and the first air cylinder 24 are both mounted on the support frame 1, the upper clamp 23 is hinged to the lower clamp 21 through the hinge 22, a lever structure is formed between a piston rod of the first air cylinder 24 and the upper clamp through the hinge 22, under the action of the lever structure, the upper clamp 23 can be tightly pressed on the lower clamp 21 (as shown in fig. 3) by controlling the piston rod of the first air cylinder 24 to extend, and the upper clamp 23 can be opened (as shown in fig. 4) by controlling the piston rod of the first air cylinder 24 to retract; hollow structures for welding operation are arranged on the upper clamp 23 and the lower clamp 21, and the spot welding robot can perform spot welding operation through the hollow structures; the lower clamp 21 comprises at least two first brackets 211, preferably three first brackets 211, and the triangular shape has stability, so that the overall structure of the lower clamp 21 is simplified as much as possible under the condition that the support stability of the lower clamp is ensured; the upper end of the first bracket 211 is provided with a bearing surface 212 for bearing the edge of the lower sheet body 200 and a plurality of limiting pins 213 for limiting and fixing the lower sheet body 200 and the upper sheet body 100 (since the finished tail pipe is generally fixed with an automobile by only three bolts, i.e. the edge of the finished tail pipe should be generally provided with three mounting holes 300, the total number of the limiting pins 213 is preferably three, and the specific positions of the limiting pins are determined according to the positions of the mounting holes 300 and are just matched with the mounting holes 300 for limiting and fixing); the upper clamp 23 includes a press plate 231 (for saving material and simplifying structure, the press plate 231 is hollow as shown in fig. 4, and a handle 234 is connected thereto for facilitating detection, adjustment and maintenance), and a plurality of press rods 232 (the number of the press rods 232 is preferably four, but not limited thereto) mounted on the press plate 231 and used for pressing the edge of the upper plate 100, the press plate 231 is hinged to one of the first brackets 211 through a hinge 22, and a lever structure is formed between a piston rod of the first cylinder 24 and the press plate 231 through the hinge 22. Under the action of the lever structure, the piston rod of the first cylinder 24 is controlled to retract, so as to drive the pressing plate 231 to open, so that the lower sheet body 200 and the upper sheet body 100 are sequentially placed on the lower fixture 21, the edge part of the lower sheet body 200 is supported by the supporting surface 212 at the upper end of the three first brackets 211, and the three limiting pins 213 are used for limiting and fixing, as shown in fig. 5; then, the piston of the first cylinder 24 is controlled to extend out, so that the pressing plate 231 is driven to turn downwards, the lower ends of the four pressing rods 232 arranged on the pressing plate are pressed against the edge part of the upper sheet body 100, and clamping and positioning of the upper sheet body 100 and the lower sheet body 200 are completed, as shown in fig. 6; the space between the pressure rods 232 and the space between the first brackets 211 form a hollow structure, so that spot welding operation is facilitated.
In an embodiment, a plurality of pressing bolts 233 for pressing the upper surface of the upper plate 100 are screwed to the pressing plate 231, and the number of the pressing bolts 233 is one in the drawing, but is not limited thereto, and may be a plurality; since the upper surface of the upper plate 100 is irregular, the lower end of the upper plate can be abutted against the upper surface of the upper plate 100 by adjusting the depth of the threaded connection of the pressing bolt 233, so as to play a role in pressing.
In an embodiment, the deformation prevention device comprises a first deformation prevention mechanism 3 for preventing one end of a circular hole of the tail pipe from deforming and a second deformation prevention mechanism 4 for preventing one end of a flat and long hole of the tail pipe from deforming, and the first deformation prevention mechanism 3 and the second deformation prevention mechanism 4 are both installed on the support frame 1.
In an embodiment, the first deformation preventing mechanism 3 includes a mounting plate 31 vertically mounted on the support frame 1, a second cylinder 32 mounted on the support frame 1 and having a piston rod moving direction parallel to a plane of the mounting plate 31, two support plates 33 in an arc shape, two connecting plates 34, a first hinge shaft 35 and a second hinge shaft 36; in order to simplify the structure, the mounting plate 31 and the second cylinder 32 are mounted on the support frame 1 through the first bracket 211, that is, the mounting plate 31 and the second cylinder 32 are mounted on the first bracket 211 through bolts, and the first bracket 211 is mounted on the support frame 1 through bolts (the first bracket 211 shown in fig. 7 and 9 is compared with the same first bracket 211 shown in fig. 3, 4, 5 and 6, and the first bracket 211 shown in fig. 7 and 9 omits a part of the upper end thereof); one end of each of the two support plates 33 is hinged to the mounting plate 31 by a first hinge shaft 35, the other end of each of the two support plates 33 is hinged to one end of a connecting plate 34, and the end of each of the two connecting plates 34, which is not hinged to the support plate 33, is hinged to the piston rod of the second cylinder 32 by a second hinge shaft 36. The piston rod of the second cylinder 32 is controlled to retract, so that an included angle between the two connecting plates 34 (the ends hinged to each other) is reduced, and the two supporting plates 33 are in a close state, as shown in fig. 7, at this time, the outer annular surfaces of the two supporting plates 33 are close to each other, so that the interference caused by the fact that the lower sheet body 200 and the upper sheet body 100 are sequentially placed on the downward clamp 21 is avoided, and the interference caused by the fact that the finished exhaust tail pipe is taken out is also avoided; the piston rod of the second cylinder 32 is controlled to extend out to drive the included angle between the two connecting plates 34 (the ends hinged to each other) to be increased, so that the two supporting plates 33 are in a spreading state, as shown in fig. 9, at this time, the centers of circles of the outer annular surfaces of the two supporting plates 33 are overlapped, which is equal to that the outer annular surfaces of the two supporting plates 33 are in the same annular surface, so that the inner wall of one end of the circular hole on the tail pipe is supported, and the end of the circular hole on the tail pipe is prevented from being scrapped due to deformation.
In an embodiment, a limiting sliding groove 37 is arranged on the mounting plate 31 along the moving direction of the piston rod of the second cylinder 32, a limiting sliding block 38 is arranged between the piston rod of the second cylinder 32 and the second hinge shaft 36, that is, the second hinge shaft 36 is mounted on the limiting sliding block 38, the limiting sliding block 38 is mounted at the upper end of the piston rod of the second cylinder 32, and the limiting sliding block 38 is slidably matched in the limiting sliding groove 37; the moving precision of the piston rod of the second cylinder 32 is improved, and the two supporting plates 33 are ensured to move on the same plane all the time, so that the supporting effect on one end of the round hole in the tail pipe is improved.
In an embodiment, the mounting plate 31 is threadedly connected with a limit bolt 39 for limiting the limit slider 38 to slide along the extending direction of the piston rod of the second cylinder 32, the limit bolt 39 is located at one end of the limit chute 37 far away from the second cylinder 32, and the length direction of the limit bolt 39 is parallel to the sliding direction of the limit slider 38. The limiting sliding block 38 can be limited by the limiting bolt 39, so that the tail pipe is prevented from deforming due to an overlarge spreading angle of the two supporting plates 33; in addition, the depth of the threaded connection of the limiting bolt 39 can be adjusted, so that the limiting sliding block 38 slides to the position where the limiting bolt 39 abuts against, and the outer arc surfaces of the two supporting plates 33 are just positioned on the same annular surface, and debugging in the actual operation process is facilitated.
In an embodiment, the piston rod of the second cylinder 32 and the limit slider 38 are slidably connected, and the sliding direction between the piston rod and the limit slider 38 is perpendicular to the plane of the mounting plate 31, that is, a sliding groove 381 is formed at the lower end of the limit slider 38 along the plane perpendicular to the mounting plate 31, a slider 321 is mounted at the upper end of the piston rod of the second cylinder 32, and the slider 321 is slidably fitted in the sliding groove 381. If the position of the piston rod of the second cylinder 32 on the limit slider 38 is fixed, and the position of the first bracket 211 for mounting the second cylinder 32 is also fixed, it is difficult to ensure that the second cylinder 32 is continuously connected with any one of the first bracket 211 and the limit slider 38 after being mounted and fixed, so that a sliding structure in a direction perpendicular to the plane of the mounting plate 31 is arranged between the piston rod of the second cylinder 32 and the limit slider 38, that is, the slider 321 is slidably fitted in the sliding groove 381, so that the mounting difficulty of the second cylinder 32 is reduced.
In an embodiment, the second deformation preventing mechanism 4 includes a second bracket 41, a third cylinder 42, a fixing plate 43, a plurality of lower stays 44 for supporting the inner surface of the lower plate 200, and a plurality of upper stays 45 for supporting the inner surface of the upper plate 100 (wherein, the number of the upper stays 45 and the lower stays 44 is two in the drawing, but not limited thereto), the third cylinder 42 is mounted on the support frame 1 through the second bracket 41, one end of the lower stay bar 44 and one end of the upper stay bar 45 are both mounted on the piston rod of the third cylinder 42 through the fixing plate 43, the other ends of the lower stay bar 44 and the upper stay bar 45 can movably enter and exit the flat and long hole of the tail pipe through the third cylinder 42, so that the inner wall of one end of the flat and long hole of the tail pipe is supported through the lower surface of the lower stay bar 44 and the upper surface of the upper stay bar 45, and the tail pipe is prevented from deforming.
In the embodiment, the lower surface of the end of the lower stay 44 far away from the third cylinder 42 and the upper surface of the end of the upper stay 45 far away from the third cylinder 42 are both provided with a limiting step surface 46; the limiting and fixing effect on the tail pipe can be improved by the limiting function of the limiting step surface 46.
In an embodiment, the ejection mechanism 5 includes a fourth cylinder 51, a top plate 52 and a plurality of ejection pins 53, the fourth cylinder 51 is vertically mounted on the support frame 1 (for simplifying the structure, the fourth cylinder 51 is fixed on the support frame 1 by being fixed on one of the first brackets 211 first), the top plate 52 is mounted at the upper end of a piston rod of the fourth cylinder 51, and the plurality of ejection pins 53 are screwed on the upper surface of the top plate 52; the number of the ejection pins 53 is preferably three (but not limited to three), so that the ejection force generated by the fourth cylinder 51 is distributed to the lower surface of the lower sheet body 200, and deformation of the finished tail pipe during ejection is avoided; in addition, since the ejector pins 53 are screwed to the top plate 52, the upper ends of the three ejector pins 53 can be ensured to simultaneously abut against the lower surface of the lower plate 200 by adjusting the screwing depth of the ejector pins 53.
The working principle is as follows: firstly, by controlling the retraction of the piston rod of the first air cylinder 24, the pressing plate 231 is driven to open under the action of the lever structure (as shown in fig. 4); then, the lower sheet body 200 and the upper sheet body 100 are sequentially placed on the lower fixture 21, the edge part of the lower sheet body 200 is supported by the supporting surface 212 at the upper end of the three first supports 211, and the three limiting pins 213 and the three mounting holes 300 are ensured to be limited and fixed, as shown in fig. 5; then, the piston of the first cylinder 24 is controlled to extend out, and under the action of a lever structure, the pressure plate 231 is driven to turn downwards, so that the lower ends of the four pressure rods 232 arranged on the pressure plate are pressed against the edge part of the upper sheet body 100, so that the edge parts of the upper sheet body 100 and the lower sheet body 200 are tightly attached to each other, and clamping and positioning of the upper sheet body 100 and the lower sheet body 200 are completed, as shown in fig. 6; then, by controlling the extension of the piston rod of the second cylinder 32, the piston rod slides in a limited manner between the limiting sliding groove 37 and the limiting sliding block 38 until the limiting sliding block 38 slides to abut against a limiting bolt 39 and stops sliding (as shown in fig. 10), in the process, the limiting sliding block 38 drives the included angle between the two connecting plates 34 (the ends hinged to each other) to be increased, so that the two supporting plates 33 are in a spreading state (as shown in fig. 9), at the moment, the centers of circles of the outer annular surfaces of the two supporting plates 33 are overlapped, which is equivalent to the situation that the outer annular surfaces of the two supporting plates 33 share the same annular surface, so that the inner wall of one end of the circular hole on the tail pipe is supported, and thus the deformation of one end of the circular hole on the tail pipe is avoided; then, the third cylinder 42 is controlled to push the fixing plate 43 to move until the limiting step surfaces 46 on the lower support rod 44 and the upper support rod 45 act on the inner wall of one end of the flat and long hole on the tail pipe (as shown in fig. 6), so that one end of the flat and long hole on the tail pipe is prevented from deforming, and the limiting and fixing effect on the tail pipe is further improved; spot welding is performed at a hollow structure formed by the space between the pressure rods 232 and the space between the first brackets 211 by using a spot welding robot in a matched manner, so that a finished exhaust tail pipe is obtained; then, the pressing plate 231 is turned over by controlling the retraction of the piston rod of the first cylinder 24, the piston rod of the third cylinder 42 is controlled to retract so that the upper support rod 45 and the lower support rod 44 exit from the interior of the tail pipe, and then the piston rod of the second cylinder 32 is controlled to retract so as to drive the included angle between the two connecting plates 34 (the ends hinged to each other) to be smaller, so that the two supporting plates 33 are in a close state (as shown in fig. 7), and at the moment, the outer annular surfaces of the two supporting plates 33 are close to each other, so that the supporting effect on the inner wall of one end of the circular hole on the tail pipe is released; finally, the piston rod of the fourth cylinder 51 is controlled to eject, so as to drive the top plate 52 to move, and the three ejection pins 53 at the upper end of the top plate 52 are used for ejecting the finished tail pipe out of the lower fixture 21.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a tail pipe spot welding frock, its characterized in that is used for carrying out anchor clamps (2) of clamping location to last lamellar body (100) and lower lamellar body (200) including support frame (1) and a plurality of, anchor clamps (2) include anchor clamps (23), articulated elements (22), lower anchor clamps (21) and first cylinder (24) all install on support frame (1), last anchor clamps (23) articulated through articulated elements (22) and lower anchor clamps (21), the piston rod of first cylinder (24) pass through and form lever structure between articulated elements (22) and last anchor clamps (23), just last anchor clamps (23) and lower anchor clamps (21) on be equipped with the hollow out construction that is used for carrying out welding operation.
2. The tail pipe spot welding tool according to claim 1, wherein the lower clamp (21) comprises at least two first brackets (211), the upper ends of the first brackets (211) are provided with bearing surfaces (212) for bearing the edge of the lower sheet body (200) and a plurality of limiting pins (213) for limiting and fixing the lower sheet body (200) and the upper sheet body (100); the upper clamp (23) comprises a pressing plate (231) and a plurality of pressing rods (232) which are arranged on the pressing plate (231) and used for pressing the edge part of the upper sheet body (100), the pressing plate (231) is hinged to one of the first supports (211) through a hinge (22), and a lever structure is formed between a piston rod of the first air cylinder (24) and the pressing plate (231) through the hinge (22).
3. The tail pipe spot welding tool according to claim 2, wherein a plurality of pressing bolts (233) for pressing the upper surface of the upper plate body (100) are connected to the pressing plate (231) in a threaded manner.
4. The spot welding tool for the tail pipe according to claim 1, further comprising a deformation preventing device, wherein the deformation preventing device comprises a first deformation preventing mechanism (3) for preventing one end of the circular hole of the tail pipe from deforming and a second deformation preventing mechanism (4) for preventing one end of the flat and long hole of the tail pipe from deforming, and the first deformation preventing mechanism (3) and the second deformation preventing mechanism (4) are both mounted on the support frame (1).
5. The spot welding tool for the tail pipe according to claim 4, wherein the first deformation preventing mechanism (3) comprises a mounting plate (31) vertically mounted on the support frame (1), a second cylinder (32) which is mounted on the support frame (1) and has a piston rod moving direction parallel to the plane of the mounting plate (31), two arc-shaped support plates (33), two connecting plates (34), a first hinge shaft (35) and a second hinge shaft (36), one end of each of the two support plates (33) is hinged through the first hinge shaft (35) mounted on the mounting plate (31), the other end of each of the two support plates (33) is hinged with one end of one of the connecting plates (34), and one ends of the two connecting plates (34) which are not hinged with the supporting plate (33) are hinged through a second hinge shaft (36) arranged on a piston rod of the second air cylinder (32).
6. The tail pipe spot welding tool according to claim 5, characterized in that a limiting sliding groove (37) is formed in the mounting plate (31) along the moving direction of a piston rod of the second cylinder (32), a limiting sliding block (38) is arranged between the piston rod of the second cylinder (32) and the second hinge shaft (36), and the limiting sliding block (38) is matched with the limiting sliding groove (37) in a sliding manner.
7. The tail pipe spot welding tool according to claim 6, characterized in that a limiting bolt (39) for limiting the sliding of the limiting sliding block (38) along the extending direction of the piston rod of the second cylinder (32) is connected to the mounting plate (31) in a threaded manner, the limiting bolt (39) is located at one end, far away from the second cylinder (32), of the limiting sliding groove (37), and the length direction of the limiting bolt (39) is parallel to the sliding direction of the limiting sliding block (38).
8. The spot welding tool for the tail pipe according to claim 4, wherein the second deformation preventing mechanism (4) comprises a second support (41), a third cylinder (42), a fixing plate (43), a plurality of lower support rods (44) for supporting the inner surface of the lower plate body (200) and a plurality of upper support rods (45) for supporting the inner surface of the upper plate body (100), the third cylinder (42) is mounted on the support frame (1) through the second support (41), one ends of the lower support rods (44) and the upper support rods (45) are mounted on a piston rod of the third cylinder (42) through the fixing plate (43), and the other ends of the lower support rods (44) and the upper support rods (45) are movably inserted into and pulled out of the flat long hole of the tail pipe through the third cylinder (42).
9. The spot welding tool for the tail pipe according to claim 8, wherein a limiting step surface (46) is arranged on the lower surface of one end, far away from the third cylinder (42), of the lower support rod (44) and on the upper surface of one end, far away from the third cylinder (42), of the upper support rod (45).
10. The spot welding tool for the tail pipe according to claim 1, further comprising an ejection mechanism (5) for ejecting the spot-welded tail pipe from the lower fixture (21), wherein the ejection mechanism (5) comprises a fourth cylinder (51), a top plate (52) and a plurality of ejection pins (53), the fourth cylinder (51) is vertically mounted on the support frame (1), the top plate (52) is mounted at the upper end of a piston rod of the fourth cylinder (51), and the plurality of ejection pins (53) are in threaded connection with the upper surface of the top plate (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646213.XU CN210147332U (en) | 2019-05-07 | 2019-05-07 | Spot welding tool for exhaust tail pipe |
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| CN201920646213.XU CN210147332U (en) | 2019-05-07 | 2019-05-07 | Spot welding tool for exhaust tail pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125591A (en) * | 2019-05-07 | 2019-08-16 | 宁波新华泰模塑电器有限公司 | A kind of tailpipe spot-welding equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125591A (en) * | 2019-05-07 | 2019-08-16 | 宁波新华泰模塑电器有限公司 | A kind of tailpipe spot-welding equipment |
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