CN217965487U

CN217965487U - Sleeve welding mistake proofing mechanism

Info

Publication number: CN217965487U
Application number: CN202222371326.8U
Authority: CN
Inventors: 刘海龙; 冯光勋; 邱佳彬; 刘杰; 冉辉; 张春秀
Original assignee: Lingyun Southwest Industrial Co ltd
Current assignee: Lingyun Southwest Industrial Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-06
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a welding frock field discloses a sleeve pipe welding mistake proofing mechanism, including the swinging boom, the terminal top of swinging boom is connected with proximity switch, the terminal bottom of swinging boom is connected with the extension frame, the extension frame is connected with vertical just round pin of leading and is located the vertical spacing subassembly of leading round pin top, it is equipped with vertical response subassembly to lead round pin outside cover, vertical spacing subassembly provides decurrent elasticity to vertical response subassembly and supports the pressure, still be equipped with the response lever on the extension frame, response lever one end is articulated with vertical response subassembly, the other end is located proximity switch's the response face outside, the swing of response lever is responded to by proximity switch. The utility model discloses can solve among the prior art when welding the sleeve on the work piece, lack and detect sleeve length, lead to the part not conform to the sleeve that needs to be welded the work piece on for the follow-up unable problem of using of work piece.

Description

Sleeve welding mistake proofing mechanism

Technical Field

The utility model relates to a welding frock field, concretely relates to sleeve pipe welding mistake proofing mechanism.

Background

The sleeve pipes are required to be welded on part of plate workpieces in the automobile parts and are used for positioning or connecting other automobile parts, the number of the welded sleeve pipes must meet requirements in order to ensure that the workpieces can be effectively assembled in the subsequent assembly process, the welding missing condition cannot occur, and the length, the inner diameter and the welding positioning precision of the sleeve pipes need to be controlled within a certain allowable range in order to ensure the precision of the workpieces in the subsequent assembly process. Automobile parts's production line mainly goes on with automatic welding robot among the prior art, and the workman places the sleeve according to required position on the work piece and fixes a position the back through the frock, and welding robot carries out telescopic welding automatically. At present, in the operation process, sleeves are provided in batches after being machined in advance, certain deviation exists in the length and the inner diameter of the sleeves, in the process of positioning the sleeves on a workpiece, workers directly grab the sleeves at random and place the sleeves on the workpiece and then press and position the sleeves by using tools, and the detection process of the sleeves is lacked, so that the sleeves with partial length and partial inner diameter larger than or smaller than the allowable range are also directly welded on the workpiece, and the subsequent workpiece cannot be effectively assembled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sleeve pipe welding mistake proofing mechanism to when solving among the prior art welding sleeve on the work piece, lack and detect sleeve length, lead to the part not to be conform to the sleeve that needs to be welded the work piece on, make the follow-up unable problem of using of work piece.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a bushing weld mistake proofing mechanism, including the swinging boom, the terminal top of swinging boom is connected with proximity switch, swinging boom end bottom is connected with the extension frame, the extension frame is connected with vertical just sell and be located the vertical spacing subassembly of leading just sell top of leading, it is equipped with vertical response subassembly to lead just sell outside cover, vertical spacing subassembly provides decurrent elasticity to vertical response subassembly and supports the pressure, still be equipped with the response lever on the extension frame, response lever one end is articulated with vertical response subassembly, the other end is located proximity switch's the response face outside, the swing of response lever is responded to by proximity switch.

The principle and the advantages of the scheme are as follows: during the in-service use, the sleeve is placed back on the work piece, the rotatory drive of swinging boom extends the frame and removes and will lead round pin and vertical spacing subassembly and remove to the sleeve pipe top, through the swinging boom action, make lead round pin from the top down with the sleeve compress tightly the location, vertical response assembly is contradicted with telescopic top at vertical spacing subassembly support pressing down, thereby telescopic length feeds back the one end of response lever through vertical response assembly, and then make the other end of response lever at proximity switch's response off-plate swing, proximity switch senses the amplitude of oscillation of response lever, the leak protection that surpasss the response area proximity switch feedback when the amplitude of oscillation does not have the response, welding equipment can't start, thereby realize sleeve welded mistake proofing leak protection, ensure that welded sleeve length meets the requirements.

Further, vertical response subassembly includes a side end open-ended framework, and the framework bottom is equipped with the locating hole that supplies to lead positive round pin and pass, and the framework top is fixed with vertical connecting rod, and it has the connecting block to peg graft on the connecting rod top, and the connecting block is articulated with the one end of response lever. Preferably, as an improvement, the framework provides the activity protection to leading the positive round pin to ensure that vertical response subassembly can not disturb with leading the positive round pin, the connecting rod top is connected with the response lever through the connecting block of pegging graft, the assembly operation of being convenient for like this.

Further, vertical spacing subassembly includes vertical spacing protective sheath, and spacing protective sheath is straight tube-shape, and spacing protective sheath is from last to establishing down on the connecting rod, is equipped with the elastic component that vertical response subassembly was supported to elasticity down in the spacing protective sheath. Preferably, as an improvement, spacing protective sheath is spacing and provide the protection to the connecting rod, and the elastic component supports vertical response subassembly downwards and presses for vertical response subassembly can effectually offset with the sleeve, and then accurate reliable feeds back telescopic length to the response lever, ensures that the detection to sleeve length is reliable.

Furthermore, the top end of the limiting protective sleeve extends towards the inner side to form a limiting ring, the top end of the connecting rod penetrates through the limiting ring and then is connected with the connecting block in an inserting mode, and the elastic piece is a spring sleeved on the connecting rod below the limiting ring. Preferably, as an improvement, the spacing ring is spacing to the spring upper end for the spring can exert reliable and stable pressure of supporting downwards for vertical response subassembly, and the spring housing both can guarantee to vertical response subassembly effectively supporting on the connecting rod and press, can avoid again influencing the action stability with connecting rod mutual interference, and the structure is compacter, provides stable isolation protection through spacing protective sheath, can not receive external factor's influence, can be stable, reliable long-term work.

Furthermore, a vertical supporting rod is arranged on the extending frame, close to one side of the rotating arm, of the limiting protective sleeve, the top end of the supporting rod is hinged to the sensing lever to serve as a fulcrum, a sensing contact is fixed to the end portion, located on the side close to the switch, of the sensing lever, a long circular hole is formed in the side, hinged to the connecting block, of the sensing lever, and the connecting block is hinged to the sensing lever through a pin shaft penetrating through the long circular hole. Preferably, as an improvement, make spacing protective sheath, branch and the proximity switch at swinging boom top as a whole through extending the frame, the fulcrum position of response lever is proximity switch and spacing protective sheath relatively fixed, is favorable to guaranteeing that the sleeve length of response lever feedback is accurate reliable. The sensing contact can ensure that the sensing feedback with the proximity switch is accurate, and the vertical displacement change of the connecting block can be effectively fed back to the swing of the sensing lever through the long round hole and the pin shaft, so that the sensing detection is accurate.

Further, the extension frame comprises a transverse positioning sliding block, the end portion of the positioning sliding block extends into the frame body, a vertical mounting hole is formed in the position, located in the frame body, of the positioning sliding block, the guide pin is vertically inserted into the mounting hole, a locking hole communicated to the mounting hole is formed in the side end of the positioning sliding block, and a locking screw is connected to the locking hole. Preferably, as an improvement, the action of vertical response subassembly can not influenced by leading the positive round pin in the position relation assurance of location slider and framework, can lead the positive round pin locking on location slider through locking screw, ensures to lead positive round pin and can stabilize, reliable work.

Furthermore, the bottom end of the guide pin is in a circular truncated cone shape. Preferably, as an improvement, when length is up to standard but the internal diameter size is too big or during the sleeve of undersize like this, lead the round pin and insert telescopic degree of depth and appear changing, the whole high correspondence of extending frame, response lever, proximity switch, spacing protective sheath appears changing, and vertical response subassembly supports to press the sleeve length of feedback unchangeable, and telescopic internal diameter nonconformity requirement then can be fed back out in the swing of relative response lever to whether can be accurate accord with operation requirement and carry out automated inspection to telescopic internal diameter.

Further, the pivot of swinging boom rotates to be connected on the base, pivot fixedly connected with swing arm, and the base bottom is connected with the cylinder, is equipped with rectangular hole on the swing arm, and the flexible end of cylinder articulates in rectangular hole. Preferably, as an improvement, the pivot of swinging boom passes through the swing arm and forms lever structure, and rectangular hole makes the swing that can effectively drive the swinging boom through the flexible action of cylinder, more is favorable to optimizing holistic structure, reduces the space and occupies.

Further, be connected with the connecting seat on the base of swinging boom below, the connecting seat is the L type, and the minor face and the long limit of connecting seat all are equipped with the connecting hole, and the long limit of connecting seat pastes and leans on the base. Preferably, as an improvement, be convenient for holistic installation location through connecting seat and connecting hole, be convenient for assemble in a flexible way and use to the welding frock.

Furthermore, the long edge of the connecting seat is connected with a supporting block, the upper end of the supporting block is connected with a lower supporting block in an upward convex shape, and the extending frame is connected with an upper supporting block in a concave shape with a downward opening. Preferably, as an improvement, the lower supporting block and the upper supporting block can be inserted and connected to guide the swinging of the extension frame, and a certain support can be provided in the process of pressing down the extension frame, so that the stability of the extension frame is ensured.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a side view of an embodiment of the present invention.

Fig. 3 is a partial sectional view of the position of the limiting protection sleeve in the embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises an air cylinder 1, a base 2, an upper supporting block 3, a rotating arm 4, a proximity switch 5, an induction contact 6, an induction lever 7, a support rod 8, a connecting block 9, a connecting rod 10, a limiting protective sleeve 11, a positioning sliding block 12, a frame body 13, a guide pin 14, an extension frame 15, a lower supporting block 16, a connecting seat 17 and a spring 18.

The embodiment is basically as shown in the attached figures 1 and 2: the utility model provides a sleeve pipe welding mistake proofing mechanism, includes base 2, transversely wears to be equipped with the pivot on the base 2, is connected through the bearing between pivot and the base 2, and pivot middle part welded fastening has the swing arm, and 2 bottom bolted connections of base have cylinder 1, are equipped with rectangular hole in the swing arm, and the flexible end of cylinder 1 articulates in rectangular hole. 2 outsides of base are equipped with swinging boom 4, and swinging boom 4 passes through the bolt fastening in the pivot, and the terminal top bolted connection of swinging boom 4 has a location section of thick bamboo, and a location section of thick bamboo lateral wall is seted up the screw hole and is connected with positioning bolt, wears to be equipped with proximity switch 5 in the section of thick bamboo of location, fixes proximity switch 5 in a location section of thick bamboo through positioning bolt. The induction signal of the proximity switch 5 is used as one of the welding robot starting signals. The terminal bottom bolted connection of swinging boom 4 has extension frame 15, and extension frame 15 includes horizontal location slider 12, has seted up vertical mounting hole on the location slider 12, from upwards vertical grafting down in the mounting hole have lead positive round 14, lead the bottom of positive round 14 and become the round platform form. The side end of the positioning slide block 12 is provided with a locking hole communicated to the mounting hole, and a locking screw is connected in the locking hole. The upper end of the positioning sliding block 12 is connected with a transfer block through a bolt, a limiting protective sleeve 11 located above the guide pin 14 is welded on the transfer block, and the limiting protective sleeve 11 is in a straight tube shape. The outer side of the guide pin 14 is sleeved with a frame body 13 with an opening at one side end, the end part of the positioning slide block 12 extends into the frame body 13, the bottom of the frame body 13 is provided with a positioning hole for the guide pin 14 to pass through, the top of the frame body 13 is fixedly welded with a vertical connecting rod 10, the top end of the connecting rod 10 is provided with a slot, and a connecting block 9 is inserted in the slot. The switching piece deviates from 11 one sides of spacing protective sheath bolted connection of bearing rod 8, and the top of bearing rod 8 articulates as the fulcrum has

response lever

7, and 7 one end of response lever are articulated with connecting block 9, the other end is close to proximity switch 5. The hinged side of the induction lever 7 and the connecting block 9 is provided with a long circular hole, and the connecting block 9 is hinged with the induction lever 7 through a pin shaft penetrating through the long circular hole. The end part of the induction lever 7 on the side of the proximity switch 5 is fixedly welded with an induction contact 6, the induction contact 6 is positioned on the outer side of the induction surface of the proximity switch 5, and the swinging of the induction lever 7 is induced by the proximity switch 5.

As shown in fig. 3, the limiting protection sleeve 11 is sleeved on the connecting rod 10 from top to bottom, and an elastic member is arranged in the limiting protection sleeve 11 and elastically abuts against and presses the vertical sensing assembly downwards. The top end of the limiting protection sleeve 11 extends inwards to form a limiting ring, the top end of the connecting rod 10 penetrates through the limiting ring and then is connected with the connecting block 9 in an inserting mode, the elastic piece is a spring 18 which is sleeved on the connecting rod 10 below the limiting ring, and the limiting protection sleeve 11 provides downward elastic abutting pressure for the connecting rod 10 through the spring 18.

Connecting seat 17 is connected with on base 2 of swinging boom 4 below, and connecting seat 17 is the L type, and the minor face and the long limit of connecting seat 17 all are equipped with the connecting hole, and connecting seat 17 long limit pastes and leans on base 2. The long edge of the connecting seat 17 is connected with a supporting block, the upper end of the supporting block is connected with an upward convex lower supporting block 16, and the extension frame 15 is connected with a downward concave upper supporting block 3.

The specific implementation process is as follows: under the normal condition, when the sleeve meeting the requirements is welded on a workpiece, the sleeve is placed on the workpiece, the air cylinder 1 drives the rotating arm 4 to swing, so that the extending frame 15, the positioning slide block 12, the guide pin 14, the limiting protective sleeve 11 and the supporting rod 8 synchronously move downwards, the guide pin 14 is inserted into the sleeve from the upper part, under the condition that the length and the inner diameter of the sleeve meet the requirements, the middle part of the circular table at the lower part of the guide pin 14 is abutted against the top end of the sleeve, and the upper supporting block 3 and the lower supporting block 16 are only partially inserted and combined. After the guide pin 14 is inserted into the top end of the sleeve to be kept stable, the position of the proximity switch 5 is fixed, the position of the limiting protective sleeve 11 is fixed, the connecting rod 10 is pressed by the downward support of the spring 18 in the limiting protective sleeve 11, the bottom end of the frame body 13 is abutted to the top end of the sleeve, the frame body 13 and the connecting rod 10 are jacked up by the sleeve, the sensing lever 7 is jacked up by the connecting block 9 at the top of the connecting rod 10, and the sensing contact 6 at the other end of the sensing lever 7 is kept in the sensing range of the proximity switch 5. The proximity switch 5 feeds back a leak-proof detection signal, which senses the inductive contact 6, to the welding robot, which can start to perform a sleeve welding operation.

If telescopic internal diameter satisfies the requirement, length does not satisfy the requirement, sleeve length exceedes required length, framework 13, the distance of connecting rod 10 jack-up exceeds normal condition, sleeve length is less than required length, framework 13, the distance of connecting rod 10 jack-up is less than normal condition, the amplitude of oscillation of response lever 7 exceeds normal condition like this, inductive contact 6 breaks away from proximity switch 5's response scope, proximity switch 5 does not have the response, the welding robot can't start to this completion does not accord with the telescopic detection of requirement to length.

If the length of the sleeve meets the requirement and the inner diameter does not meet the requirement, the inner diameter of the sleeve exceeds the required inner diameter, the depth of the pilot pin 14 inserted into the sleeve exceeds the normal state, and the height of the limiting protective sleeve 11 is lower than the normal state; the inner diameter of the sleeve is smaller than the required inner diameter, the depth of the pilot pin 14 inserted into the sleeve is smaller than the normal state, and the height of the limiting protective sleeve 11 is higher than the normal state; however, the height of the frame 13 and the connecting rod 10 which are jacked upwards is the same as that in the normal state, the swinging amplitude of the opposite induction lever 7 exceeds the normal state, the induction contact 6 is separated from the induction range of the proximity switch 5, the proximity switch 5 has no induction, and the welding robot cannot start, so that the detection of the sleeve with the inconsistent inner diameter is completed.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a sleeve pipe welding mistake proofing mechanism which characterized in that: including the swinging boom, the terminal top of swinging boom is connected with proximity switch, and the terminal bottom of swinging boom is connected with the extension frame, and the extension frame is connected with vertical just sell and be located the vertical spacing subassembly of leading just sell top, leads just sell outside cover and is equipped with vertical response subassembly, and vertical spacing subassembly provides decurrent elasticity to vertical response subassembly and supports the pressure, still is equipped with the response lever on the extension frame, and response lever one end is articulated with vertical response subassembly, the other end is located proximity switch's the response face outside, the swing of response lever is responded to by proximity switch.

2. The casing welding mistake proofing mechanism of claim 1, wherein: vertical response subassembly includes a side end open-ended framework, and the framework bottom is equipped with the locating hole that supplies to lead positive round pin and pass, and the framework top is fixed with vertical connecting rod, and it has the connecting block to peg graft on the connecting rod top, the connecting block with the one end of response lever is articulated.

3. The casing welding mistake proofing mechanism of claim 2, wherein: vertical spacing subassembly includes vertical spacing protective sheath, and spacing protective sheath is straight tube-shape, and spacing protective sheath is from last to establishing down on the connecting rod, be equipped with down elasticity in the spacing protective sheath and support the elastic component who presses vertical response subassembly.

4. The casing welding mistake proofing mechanism of claim 3, wherein: the top end of the limiting protective sleeve extends towards the inner side to form a limiting ring, the top end of the connecting rod penetrates through the limiting ring and then is connected with the connecting block in an inserting mode, and the elastic piece is a spring arranged on the connecting rod below the limiting ring in a sleeved mode.

5. The casing welding mistake proofing mechanism of claim 3, wherein: the extension frame of the limiting protective sleeve on one side close to the rotating arm is provided with a vertical supporting rod, the top end of the supporting rod is hinged with the sensing lever to serve as a fulcrum, the end part, located on the side close to the switch, of the sensing lever is fixedly provided with a sensing contact, the side, hinged with the connecting block, of the sensing lever is provided with a long circular hole, and the connecting block is hinged with the sensing lever through a pin shaft penetrating through the long circular hole.

6. The casing welding mistake proofing mechanism of claim 2, wherein: the extending frame comprises a transverse positioning sliding block, the end part of the positioning sliding block extends into the frame body, a vertical mounting hole is formed in the position, located in the frame body, of the positioning sliding block, the guide pin is vertically inserted into the mounting hole, a locking hole communicated to the mounting hole is formed in the side end of the positioning sliding block, and a locking screw is connected into the locking hole.

7. The casing welding mistake proofing mechanism of claim 1, wherein: the bottom end of the guide pin is in a circular truncated cone shape.

8. The casing welding mistake proofing mechanism of claim 1, wherein: the pivot of swinging boom rotates to be connected on the base, pivot fixedly connected with swing arm, and the base bottom is connected with the cylinder, is equipped with rectangular hole on the swing arm, and the flexible end of cylinder articulates in rectangular hole.

9. The casing welding mistake proofing mechanism of claim 8, wherein: the base below the rotating arm is connected with a connecting seat, the connecting seat is L-shaped, the short edge and the long edge of the connecting seat are provided with connecting holes, and the long edge of the connecting seat is attached to the base.

10. The casing welding mistake proofing mechanism of claim 9, wherein: the long edge of the connecting seat is connected with a supporting block, the upper end of the supporting block is connected with a lower supporting block in a shape of a convex character upwards, and the extending frame is connected with an upper supporting block in a shape of a concave character with a downward opening.