CN209239273U - A kind of butt-weld device for inner lining of fryer welding - Google Patents

Abstract

The utility model discloses a kind of butt-weld device for inner lining of fryer welding, including rack, workbench, transformer and control system, the workbench is equipped with the positioning seat for fixing inner lining of fryer, and the positioning seat is electrically connected with transformer；The rack is equipped with for by the welding mechanism of weldment butt-joint to inner lining of fryer, the rack to be additionally provided with the railroad to horizontally slip for welding mechanism；Weldment is fixed on inner lining of fryer by the utility model by welding mechanism, easy to operate, convenient, improves the efficiency of welding, and welding mechanism can be equipped with two groups according to actual needs, increases production efficiency.

Description

A kind of butt-weld device for inner lining of fryer welding

Technical field

The utility model relates to welding field, in particular to a kind of butt-weld device for inner lining of fryer welding.

Background technique

Existing inner lining of fryer is generally equipped with heating tube, anode in heating tube in the exterior bottom of inner lining of fryer And cathode, for connecting to power supply.But once there is electric leakage, consequence is serious.And in order to solve the above-mentioned technical problem, it is most of Manufacturing enterprise all can weld a weldment in the exterior bottom of inner lining of fryer, and weldment is connect with ground wire again, and existing bonding machine Be not able to satisfy above-mentioned welding requirements and welding efficiency be relatively low, need to customize out the exterior bottom of suitable inner lining of fryer a kind of with The butt-weld device of weldment welding.

Summary of the invention

The technical problem to be solved by the present invention is to provide a kind of butt-weld devices for inner lining of fryer welding, to mention The efficiency of height welding.

In order to solve the above-mentioned technical problem, the technical solution of the utility model is a kind of touching for inner lining of fryer welding Welder, including rack, workbench, transformer and control system, the rack are set on workbench, and the transformer is set to work Make the lower section of platform, it is characterised in that the workbench is equipped with positioning seat for fixing inner lining of fryer, the positioning seat with Transformer electrical connection；

The rack is equipped with for by the welding mechanism of weldment butt-joint to inner lining of fryer, the rack, which is additionally provided with, to be used for The railroad that welding mechanism horizontally slips；

The welding mechanism includes sliding block, cylinder, pushing frame and the limit for fixing weldment for being adapted to railroad sliding Position push pin device, the cylinder are mounted on sliding block, and the pushing frame is connected with cylinder, and the limit push pin device, which is set to, to be pushed On frame；

The limit push pin device includes limiting thimble ontology and for conductive electric conductor, the limit thimble ontology peace Mounted in the bottom of electric conductor, the electric conductor is vertical in pushing frame and is electrically connected with transformer, the limit thimble ontology Including the thimble and sleeve for positioning weldment, one end of the sleeve is coaxially coated at thimble, and the other end of the sleeve is set There is the elastic collet for clamping weldment.

Further, the sleeve is threadedly coupled with thimble, and the thimble is equipped with thimble external screw thread location nut and tune Nut is saved, the location nut and adjusting nut are threadedly coupled with thimble external screw thread respectively, and the adjusting nut is equipped with nut External screw thread, one end that the sleeve is coaxially coated at thimble are equipped with the internal screw thread being adapted to the nut external screw thread.

Further, the elastic collet is a conical chuck, is equipped with head on the circumference of the elastic collet and sleeve The Justified axial pass trough of tail.

Further, the bottom of the pushing frame is equipped with the buffer spring mobile for buffer limit push pin device, described Electric conductor is mounted on the inside of buffer spring.

Further, the workbench is equipped with the PVC protective cover for protecting personal safety.

Further, it is additionally provided on the workbench for driving cylinder and controlling the switch of transformer output current.

Further, the railroad includes the lead screw transmission mechanism to horizontally slip for welding mechanism and driving screw rod Transmission mechanism and motor, the lead screw transmission mechanism include screw rod and the nut that is adapted to wire rod thread rotary drive, the sliding rail Device further includes the travel switch for controlling motor work.

Compared with prior art, the utility model has the following beneficial effects: the limit push pin device of the utility model can be weldering Part is fixed, and then by welding mechanism weldment is contacted with inner lining of fryer, is made in the case where transformer passes to high current The contact position for obtaining weldment and inner lining of fryer generates high fever, and then generation is local melting, so that weldment is welded on inner lining of fryer On, it is easy to operate, convenient, the efficiency of welding is improved, and two groups of spacing tops can be equipped in welding mechanism according to actual needs Needle device simultaneously welds inner lining of fryer, increases production efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the utility model schematic top plan view.

Fig. 3 is structural schematic diagram of the utility model about limit thimble ontology.

Fig. 4 is decomposition chart of the utility model about limit thimble ontology.

Fig. 5 is the utility model about elastic collet and weldment structural schematic diagram.

Fig. 6 is the utility model about elastic collet present invention looks up structural representation.

Fig. 7 is the utility model about the assembling structure schematic diagram 1 between limit thimble ontology and sleeve.

Fig. 8 is the utility model about the assembling structure schematic diagram 2 between limit thimble ontology and sleeve.

Fig. 9 is structural schematic diagram of the utility model about switch.

Figure 10 is the utility model about control system (PLC) control principle drawing.

In figure: rack 1, workbench 2, transformer 3, inner lining of fryer 4, positioning seat 5, weldment 6, welding mechanism 7, sliding rail dress It sets 8, limit push pin device 9, thimble external screw thread 10, location nut 11, adjusting nut 12, internal screw thread 13, PVC protective cover 14, open Close 15, buffer spring 16, lead screw transmission mechanism 17, motor 18, travel switch 19, sliding block 70, cylinder 71, pushing frame 72, limit Thimble ontology 90, electric conductor 91, nut external screw thread 120, thimble 901, sleeve 902, elastic collet 903, axial pass trough 904, work Make positive 906, weldment card hole 907.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As depicted in figs. 1 and 2, a kind of butt-weld device for inner lining of fryer welding, including rack 1, workbench 2, change Depressor 3 and control system, the rack 1 are set on workbench 2, and the transformer 3 is set to the lower section of workbench 2, the work Platform 2 is equipped with the positioning seat 5 for fixing inner lining of fryer 4, and the positioning seat 5 is electrically connected with transformer 3.In the present embodiment In, the workbench 2 is externally provided with transparent PVC protective cover 14 except work front 906, on the one hand can prevent from generating when welding Spark splashes, and protects the safety of operator, on the other hand can also observe the process of welding, make the adjustment of production in time, Simultaneously weldment 6 and frying are taken out and reapposed by work front 906 after weldment 6 with 4 butt-joint of inner lining of fryer Pot liner 4, prepares butt-joint next time.

As is shown in fig. 1, the rack 1 is equipped with for by the welding mechanism 7 of 6 butt-joint of weldment to inner lining of fryer 4, institute It states rack 1 and is additionally provided with the railroad 8 to horizontally slip for welding mechanism 7；Product corresponding for this utility patent, described in Welding mechanism 7 can be equipped with to two groups small, can be configured according to the size of workbench, for the present embodiment, this butt-joint dress The welding mechanism 7 set is equipped with two groups, can replace and be fixed on weldment 6 on inner lining of fryer 4 by butt-joint mode, specifically, As shown in Figure 1, when the welding mechanism 7 on the left side works, the welding mechanism 7 on the i.e. left side moves to the right, until welding mechanism 7 is right When quasi- inner lining of fryer 4, need exist for how the illustratively welding mechanism 7 controls.When welding mechanism 7 moves on to deep fryer Stop when liner 4, prior art means can be used and controlled, is such as carried out using travel switch or infrared ray travel switch Control, when welding mechanism 7 moves on to 4 upside of inner lining of fryer, and since the stroke that welding mechanism 7 touches railroad 8 is opened 19 are closed, the motor of railroad 8 stops at this time, and the welding mechanism 7 rests on 4 upside of inner lining of fryer.

As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the welding mechanism 7 includes adaptation railroad 8 Sliding block 70, cylinder 71, pushing frame 72 and the limit push pin device 9 for fixing weldment 6 of sliding, the cylinder 71 are mounted on cunning On block 70, the pushing frame 72 is connected with cylinder 71, pushes the stroke of the work of pushing frame 72 vertically downward, the limit convenient for cylinder 71 Position push pin device 9 is set in pushing frame 72；The limit push pin device 9 includes limit thimble ontology 90 and the conduction for conduction Body 91, the limit thimble ontology 90 are mounted on the bottom of electric conductor 91, the electric conductor 91 be vertical in pushing frame 72 and It is electrically connected with transformer 3, the limit thimble ontology 90 includes the thimble 901 and sleeve 902 for positioning weldment 6, the set One end of cylinder 902 is coaxially coated at thimble 901 and is threadedly coupled with thimble 901, and the other end of the sleeve 902, which is equipped with, to be used In the elastic collet 903 for clamping weldment 6；The sleeve 902 is threadedly coupled with thimble 901, and the thimble 901 is equipped with outside thimble Screw thread 10, location nut 11 and adjusting nut 12, the location nut 11 and adjusting nut 12 respectively with 10 spiral shell of thimble external screw thread Line connection, the adjusting nut 12 are equipped with nut external screw thread 120, and one end that the sleeve 902 is coaxially coated at thimble 901 is set There is the internal screw thread 13 being adapted to the nut external screw thread 120；Specifically, tune can be passed through when welding various sizes of weldment 6 It saves the cooperation between location nut 11 and adjusting nut 12 and makes the distance that is spirally connected between sleeve 902 and thimble 901, such as Fig. 7 institute Show, when operator need h1 apart from when, operator can first by location nut 11 counterclockwise rotate, so that location nut 11 is left adjusting Nut 12, then outer rotating adjusting nut 12 when another mistake, sleeve 902 at this time can be adjusted with thimble 901, according to the need of h1 Sleeve 902 is rotated, until reaching h1 distance, then rotates clockwise adjusting nut 12, adjusting nut 12 is made to contradict sleeve 902 tops finally rotate clockwise location nut 11, and location nut 11 is made to contradict adjusting nut 12, complete adjustment process, when need When wanting distance h2 shown in Fig. 8, the mode of adjusting is consistent with the above, just repeats no more here.To be quickly assembled in weldment 6 can In elastic collet 903, the elastic collet 903 is a conical chuck, on the circumference of the elastic collet 903 and sleeve 902 Equipped with the Justified axial pass trough 904 of head and the tail, it should be noted that as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the elastic clip First 903 and sleeve 902 circumference on be equipped with the Justified axial pass trough 904 of head and the tail and refer to and be equipped with axis in elastic collet 903 To through slot 904, for present embodiment, the equal quarters such as the axial pass trough 904 is set as, its purpose is to assemble weldering The weldment card hole 907 for making weldment 6 be caught in elastic collet 903 is easy when part 6, to make weldment 6 be caught in weldment card hole 907 securely, institute The diameter H for stating elastic collet 903 is less than the diameter h of weldment 6, and the numerical difference between the diameter H and diameter h of the present embodiment is 1 milli Rice, when weldment 6 is assembled into weldment card hole 907, since the diameter H of elastic collet 903 is less than the diameter h of weldment 6, bullet The property outward expansion due to extruding of weldment 6 of collet 903, and one end of sleeve 902 is arranged in elastic collet 903, to make elastic clip First 903 expand when assembling weldment 6, and the sleeve 902 is again provided with axial pass trough 904 and keeps the axial pass trough 904 at this first End is aligned and is connected to the tail end of the axial pass trough 904 of elastic collet 903, or perhaps 904 tail of axial pass trough on sleeve 902 End is aligned and is connected to the head end of the axial pass trough 904 of elastic collet 903；To make weldment 6 be easy to be caught in the same of weldment card hole 907 When it is secured, the width h3 of the axial pass trough 904 is 1 millimeter, as shown in Figure 3 and Figure 4.

As shown in Figure 1, the rack 1, which is additionally provided with the sliding rail to horizontally slip for welding mechanism 7, fills 8, the railroad 8 Including the lead screw transmission mechanism 17 and driving lead screw transmission mechanism 17 that horizontally slip for welding mechanism 7 and motor 18, the silk Bar transmission mechanism 17 includes screw rod and the nut for being adapted to wire rod thread rotary drive, and the railroad 8 further includes for controlling The travel switch 19 that motor 18 works, it should be noted that for those skilled in the art, lead screw transmission mechanism uses silk Bar drives screw rod to make the movement rotated with the nut (not shown) for being adapted to screw rod rotation by motor 18, then passes through screw rod Cooperation with nut rotates, and nut is made to make straight line round-trip, and nut is fixed on welding mechanism 7, i.e., welding mechanism 7 passes through The rotation of motor is dynamic, and when such as rotating clockwise, nut moves to the left, i.e., welding mechanism 7 moves to the left, conversely, when electricity When the rotary motion of machine 18 to rotate counterclockwise, welding mechanism 7 moves to the right, reaches the alternation of welding mechanism 7, improves life Produce efficiency.

In the present embodiment, it is additionally provided on the workbench 2 and exports electric current for driving cylinder 71 and controlling transformer 3 Switch 15 is shown in that Fig. 9, operator need to only be individually positioned in inner lining of fryer 4, weldment 6 positioning seat 5 and limit push pin device 9 After upper, by lower switch 15, one side transformer 3 exports electric current, so that weldment 6 and inner lining of fryer 4 are conductive simultaneously, on the other hand Cylinder 71 drives pushing frame 72 to move down, so that limit push pin device 9 also moves downward simultaneously, allows weldment 6 and frying Pot liner 4 contacts, and the two is made to generate high fever in contact position under the energization of transformer 3, so that local thawing is formed, so that Weldment 6 and inner lining of fryer 4 are welding as one.It should be further noted that the utility model with welding manner be electricity Welding resistance, electric resistance welding be usually be in workpiece the effect of certain electrode pressure is lower and while passing through workpiece using electric current generated resistance Contact surface between two workpiece is melted and is realized the welding method of connection by heat, that is, utilizes the resistance heat of welding section itself and big Amount plastic deformation energy makes to be close to lattice distance formation metallic bond between the metallic atom of two separation performances, in faying face It is upper generate sufficient amount common crystal grain and obtain solder joint, weld seam or banjo fixing butt jointing.Specifically, electric current flow through work piece interface and The resistance fuel factor that adjacent domain generates is heated to fusing or mecystasis, is allowed to form metal bonding.When welding, resistance It welds easy to operate, it is easy to accomplish mechanization and automation improve working condition, and do not need filling metal, and productivity is high, There is no noise and pernicious gas, in mass production, can be compiled on assembly line together with other manufacturing processes.Resistance soldering set There is the characteristics of heating time is short, heat is concentrated, therefore heat affected area is small, deformation is also small with stress, usually need not arrange school in postwelding Just and heat treatment procedure.

Further improve as the present embodiment, after elastic collet 903 is caught in weldment 6, it should be noted that the weldment 6 when being caught in the weldment card hole 907 of elastic collet 903, and one end of the weldment 6 must contradict one end of thimble 901, convenient for detection Whether weldment 6 has snapped onto h1 distance or h2 distance, it is ensured that weldment 6 is accurately welded on inner lining of fryer 4.By lower switch 15, Cylinder 71 drives pushing frame 72 to move down, and pushing frame 72 drives limit push pin device 9 to the side close to inner lining of fryer 4 simultaneously To vertical movement, and when weldment 6 contacted with inner lining of fryer 4 can generate biggish impact force in a flash, be easily damaged weldering Part 6 scratches inner lining of fryer 4, and in order to avoid the generation of above situation, the bottom of the pushing frame 72 is equipped with for buffering limit The mobile buffer spring 16 of position push pin device 9, the electric conductor 91 are mounted on the inside of buffer spring 16, when pushing frame 72 is to oil When fryer liner 4 moves vertically downward and the weldment 6 for limiting the elastic collet 903 of push pin device 9 is made to contradict inner lining of fryer 4 In a flash, the weldment 6 will necessarily by inner lining of fryer 4 reaction force and push thimble 901 with pushing frame 72 vertically move The opposite direction mobile (moving vertically upward) in dynamic direction is further driven to push to move vertically upward with moving sleeve 902 Frame 72 moves vertically upward, uses for a long time, this will necessarily damage pushing frame 72, while weldment 6 also being caused to deform, therefore, The bottom of pushing frame 72 is equipped with the mobile buffer spring 16 of buffer limit push pin device 9, effectively solves the above problems.

The working principle of the utility model is.

One, start butt-weld device, control system is made to be powered, the control system of the present embodiment is using the most commonly used, simple PLC control circuit get out the gas of butt-weld device as shown in Figure 10, needed for the cylinder 71 for this butt-weld device.

Two, inner lining of fryer 4 is put on the positioning seat 5 of this butt-weld device, it is ensured that inner lining of fryer 4 is without movement.

Three, weldment 6 is caught in from the bottom of elastic collet 903, i.e., weldment 6 is caught in weldment card hole 907, illustrated , it is described to weld 6 when being caught in weldment card hole 907, it must ensure that one end of weldment 6 contradicts one end of thimble 901, i.e. weldment 6 cannot vertically be moved to thimble direction again.

Four, lower switch 15 is pressed, transformer 3 is respectively by positioning seat 5, electric conductor 91 respectively to inner lining of fryer 4 and weldment 6 Electric current is exported, while railroad 8 first works under PLC control system on the left of this butt-weld device, i.e. the railroad 8 in left side Motor 18 first works, by the Slideslip to the right of welding mechanism 7, until welding mechanism 7 triggers travel switch 19 and works, travel switch 19 A signal is provided to PLC control system, PLC control system is carried out to quasi- operation, and the PLC control system provides a signal To motor, stop 18 working condition of motor of left side railroad 8.

Five, PLC control system provides the signal that a control cylinder 71 works, the 71 task driven pushing frame 72 of cylinder It moves vertically downward, the pushing frame 72 also drives elastic collet 903 to move vertically downward while moving down, elastic collet 903 drive weldments 6 are contacted with inner lining of fryer 4, when the moment that weldment 6 and inner lining of fryer 4 one contact, according to resistance butt-joint Working principle makes the metallic atom of two separation performances that is, using the resistance heat and a large amount of plastic deformation energy of welding section itself Between be close to lattice distance formed metallic bond, on faying face generate sufficient amount common crystal grain and obtain solder joint, weld seam or Banjo fixing butt jointing.A large amount of resistance heat is generated, so that weldment 6 and inner lining of fryer 4 are heated to fusing or mecystasis, is allowed to be formed The combination of metal, in other words, engagement both ends mutually push against, and are directed at deep fryer with the located seat 5 of a large amount of electric current, electric conductor 91 On liner 4, high temperature is generated by contact surface, when the metal on inner lining of fryer 4 reaches plastic state, You Zhusheng high temperature is wink Between, while when pushing frame 72 moves vertically downward, the buffer spring 16 is also stored with certain compression potential energy, in metal When reaching plastic state, buffer spring 16 generates squeeze pressure, i.e., generates squeeze pressure for weldment 6 and oil by buffer spring 16 Fryer liner 4 carries out extruding engagement.

Six, at the same time, weldment 6 can be manually caught in the weldering of the welding mechanism 7 on the right side of this butt-weld device by operative employee In part card hole 907, when left side welding mechanism 7 after hours, the PLC control system provide one control cylinder 71 work Signal, i.e. cylinder 71 move vertically upward, and welding mechanism 7 is made to leave inner lining of fryer 4, and operative employee can be taken off inner lining of fryer 4 And put the transit wagon for putting inner lining of fryer 4 into, while a new inner lining of fryer 4 is re-released into positioning seat 5；And herein Meanwhile PLC control system is to 18 signal of motor of upper one control left side railroad 8, keeps the side of turning left of welding mechanism 7 mobile, The original position of return, waits work next time.

Seven, lower switch 15 is pressed again, and transformer 3 is respectively by positioning seat 5, electric conductor 91 respectively to inner lining of fryer 4 Electric current is exported with weldment 6, while railroad 8 works under PLC control system on the right side of this butt-weld device, i.e. the sliding rail dress on right side It sets 8 motor 18 to work, by the Slideslip to the left of welding mechanism 7, until welding mechanism 7 triggers travel switch 19 and works, stroke is opened It closes 19 and provides a signal to PLC control system, PLC control system is carried out to quasi- operation, and the PLC control system provides one Signal stops 18 working condition of motor of right side railroad 8 to motor.

Eight, identical as above-mentioned steps five, step 6.

Nine, it is iteratively repeated above-mentioned four, the five, the six, the 7th and the 8th step.

Claims (7)

1. a kind of butt-weld device for inner lining of fryer welding, including rack (1), workbench (2), transformer (3) and control System, the rack (1) are set on workbench (2), and the transformer (3) is set to the lower section of workbench (2), it is characterised in that: The workbench (2) is equipped with positioning seat (5) for fixing inner lining of fryer (4), the positioning seat (5) and transformer (3) Electrical connection；

The rack (1) is equipped with for by the welding mechanism (7) of weldment (6) butt-joint to inner lining of fryer (4), the rack (1) it is additionally provided with the railroad (8) to horizontally slip for welding mechanism (7)；

The welding mechanism (7) includes sliding block (70), cylinder (71), pushing frame (72) and the use of adaptation railroad (8) sliding Limit push pin device (9) in fixed weldment (6), the cylinder (71) are mounted on sliding block (70), the pushing frame (72) with Cylinder (71) is connected, and the limit push pin device (9) is set on pushing frame (72)；

Limit push pin device (9) includes limit thimble ontology (90) and the electric conductor (91) for conduction, the spacing top Needle ontology (90) is mounted on the bottom of electric conductor (91), and the electric conductor (91) is vertical on pushing frame (72) and and transformer (3) be electrically connected, the limit thimble ontology (90) include for positioning the thimble of weldment (6) (901) and sleeve (902), it is described One end of sleeve (902) is coaxially coated at thimble (901), and the other end of the sleeve (902) is equipped with for clamping weldment (6) Elastic collet (903).

2. the butt-weld device according to claim 1 for inner lining of fryer welding, it is characterised in that: the sleeve (902) it is threadedly coupled with thimble (901), the thimble (901) is equipped with thimble external screw thread (10), location nut (11) and adjusts Nut (12), the location nut (11) and adjusting nut (12) are threadedly coupled with thimble external screw thread (10) respectively, the adjusting Nut (12) is equipped with nut external screw thread (120), and one end that the sleeve (902) is coaxially coated at thimble (901) is equipped with and institute State the internal screw thread (13) of nut external screw thread (120) adaptation.

3. the butt-weld device according to claim 2 for inner lining of fryer welding, it is characterised in that: the elastic collet (903) it is a conical chuck, the Justified axis of head and the tail is equipped on the circumference of the elastic collet (903) and sleeve (902) To through slot (904).

4. the butt-weld device according to claim 3 for inner lining of fryer welding, it is characterised in that: the pushing frame (72) bottom is equipped with the buffer spring (16) mobile for buffer limit push pin device (9), and the electric conductor (91) is mounted on The inside of buffer spring (16).

5. the butt-weld device according to claim 1 for inner lining of fryer welding, it is characterised in that: the workbench (2) it is equipped with the PVC protective cover (14) for protecting personal safety.

6. the butt-weld device according to claim 1 for inner lining of fryer welding, it is characterised in that: the workbench (2) it is additionally provided on for driving cylinder (71) and controlling the switch (15) of transformer (3) output electric current.

7. the butt-weld device according to any one of claims 1 to 6 for inner lining of fryer welding, it is characterised in that: institute Stating railroad (8) includes the lead screw transmission mechanism (17) to horizontally slip for welding mechanism (7) and driving lead screw transmission mechanism (17) and motor (18), the lead screw transmission mechanism (17) include screw rod with the nut that is adapted to wire rod thread rotary drive, it is described Railroad (8) further includes the travel switch (19) for controlling motor (18) work.