CN209407804U - Welding fixture - Google Patents

Abstract

The utility model relates to weld auxiliary tool technology field, more particularly, to a kind of welding fixture.Welding fixture includes station, pressing element and elevating mechanism, and pressing element is placed on station for the weldment on pressing operation platform to carry out subsequent weld job；Pressing element includes pressing plate, briquetting and supporting block, briquetting and supporting block is separated by a distance is placed on station, and briquetting is rotatablely connected with briquetting and supporting block for suppressing weldment, pressing plate along the both ends of first direction respectively；The driving end of elevating mechanism is connected with pressing plate, drives the lifting of pressing element for providing active force to pressing plate, and active force is provided when pressing element suppresses weldment；By the way that the both ends of pressing plate first direction and briquetting and supporting block are rotatablely connected, make junction not effect of bending moment stress during stress of pressing plate Yu briquetting and supporting block, so as to improve the stress condition of pressing plate and briquetting and the junction of supporting block, it is allowed to be hardly damaged, and then improves the service life of pressing element.

Description

Welding fixture

Technical field

The utility model relates to weld auxiliary tool technology field, more particularly, to a kind of welding fixture.

Background technique

Active force is provided to pressing element by driving device in weld job, pressing element is enable to compress the weldering on station Fitting, the active force of driving device are on the pressing plate for act directly on pressing element, in the operation process of pressing element, the junction of pressing plate Axial force, shearing and moment of flexure stress are born, pressing plate easily fatigue damage is made.

Utility model content

The purpose of this utility model is to provide a kind of welding fixtures, to solve pressing element in the prior art to a certain extent Pressing plate easily fatigue damage in use, the technical issues of influencing pressing element service life.

The utility model provides a kind of welding fixture, including station, pressing element and elevating mechanism；The pressing element is placed in On the station, the pressing element includes pressing plate, supporting block and the pressure for suppressing the weldment being placed on the station Block；The briquetting and the supporting block are placed on the station along first direction is separated by a distance, and the briquetting and The supporting block extends in a second direction；The second direction and the first direction are perpendicular；The pressing plate is along described The both ends in one direction are rotatablely connected with the briquetting and the supporting block respectively；The pressing plate with its can be driven separate or close The driving end of the elevating mechanism of the station is connected.

Further, the pressing plate is provided with interconnecting piece, the company of offering on the interconnecting piece along the both ends of first direction Hole is connected, the axis direction of the connection through-hole is the second direction；The briquetting and the supporting block are far from the operation One end of platform open up it is fluted, be provided in the groove along the second direction extend connecting rod；The interconnecting piece is logical It crosses the connection through-hole to be sheathed in the connecting rod, connects the pressing plate with the briquetting and supporting block rotation respectively It connects.

Further, the quantity of the interconnecting piece at the pressing plate both ends is multiple, and multiple interconnecting pieces are described in Second direction is spaced apart；The quantity of the groove opened up on the briquetting and the supporting block is also multiple, and with it is described The interconnecting piece on pressing plate corresponds.

Further, the elevating mechanism includes at least one lifting unit, and the lifting unit includes the first transmission spiral shell Bar and drive block offer the first internal thread through hole compatible with first drive screw in the drive block；The pressure First through hole is offered on plate, the drive block is connected through the first through hole and with the pressing plate；First transmission The length direction of screw rod is rotatablely connected perpendicular to the pressing plate, one end of first drive screw and the station；It is described The second through-hole is offered on station, the other end of first drive screw passes through second through-hole and the drive block spiral shell Line connection；When the quantity of the lifting unit is multiple, multiple lifting units are arranged along the second direction interval.

Further, the both ends on the outer wall of the drive block radially are provided with installation axle；The first through hole For the strip hole extended along the first direction, offered on the inner wall of the first through hole along the both ends of the second direction Mounting hole；The drive block passes through the first through hole and two installation axles can be inserted respectively into the mounting hole.

Further, the table top of the station is formed with the first limiting section far from the side of the pressing element；Described first Limiting section includes two support arms extended along the first direction, and two support arms are set side by side along the second direction It sets, forms gap between two support arms；One end that first drive screw is connect with the station is along its length Direction setting forms the first clamping groove between two first limited blocks there are two the first limited block；First transmission Gap of the screw rod across two support arms, and a part of two support arms can extend into first card It connects in groove.

It further, further include translation mechanism, the translation mechanism includes the second drive screw；It is opened up on the station There is first sliding groove, the length direction of the first sliding groove is identical as the first direction；First is provided with below the supporting block Sliding block, first sliding block are located in the first sliding groove；In first sliding block along the first direction offer with it is described Compatible second internal thread through hole of second drive screw；The length direction of second drive screw and the first direction phase Together, one end of second drive screw and the station are rotatablely connected, and the other end of second drive screw protrudes into institute It states in first sliding groove and is connected with first sliding block；Second through-hole opened up on the station is strip hole, institute The length direction for stating strip hole is identical as the first direction.

Further, the station is formed with the second limiting section along the side of the first direction；Second limit Long kidney-shaped hole is offered in portion, the length direction of the long kidney-shaped hole is identical as the length direction of first drive screw；Institute It states one end that the second drive screw is connected with the station to be arranged along its length there are two the second limited block, two institutes It states and forms the second clamping groove between the second limited block；Second drive screw passes through the long kidney-shaped hole, and described second Limiting section can be arranged in second clamping groove.

Further, multiple second sliding slots extended along the first direction are offered on the station, it is multiple described Second sliding slot is symmetrically distributed in the two sides of the first sliding groove along the second direction；Multiple second are equipped with below the supporting block Sliding block, multiple second sliding blocks and multiple second sliding slots correspond.

Further, the quantity of the pressing element is two, and two pressing elements are separated by a distance along the first direction Setting；The elevating mechanism and the translation mechanism are arranged in a one-to-one correspondence with the pressing element respectively.

Compared with prior art, the utility model has the following beneficial effects:

Welding fixture provided by the utility model includes station, pressing element and elevating mechanism；Station is to be welded for placing Then weldment is pressed between pressing element and station to carry out subsequent weld job by the weldment connect using pressing element.It rises The driving end of descending mechanism is connected with pressing element, can provide active force to pressing element by elevating mechanism, makes pressing element to separate or lean on The direction of near operation platform moves；In weld job, drive pressing element to rise by elevating mechanism first, make pressing element and station it Between form placement space；Then one end of weldment is placed into the placement space formed between pressing element and station, is gone up and down Mechanism driving pressing element drops to the lower surface of pressing element and weldment fits；Then by elevating mechanism continue to pressing element provide to The active force of lower movement, is pressed on weldment on station.Pressing element includes pressing plate, briquetting and supporting block；Briquetting and support Block extends in a second direction, and briquetting and supporting block are along the first direction separated by a distance placement perpendicular with second direction In on station；In weld job, weldment is placed on station, and briquetting is located at close to the side of weldment, supporting block It is located remotely from the side of weldment, weldment is pressed between briquetting and station；Pressing plate is distinguished along the both ends of first direction It is rotatablely connected with briquetting and supporting block far from one end of station；The driving end of elevating mechanism is connected with the pressing plate of pressing element , active force is provided to drive the lifting of pressing element to pressing plate by elevating mechanism, and is mentioned when pressing element suppresses weldment For active force；If pressing plate is fixedly connected with briquetting and supporting block, pressing plate will bear axial force, shearing and moment of flexure stress, And the application makes the junction of pressing plate and briquetting and supporting block in stress by the way that pressing plate and briquetting and supporting block to be rotatablely connected The not effect of bending moment stress in the process is allowed to not so as to improve the stress condition of pressing plate and briquetting and the junction of supporting block It is easy to damage, and then improve the service life of pressing element.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the schematic perspective view of welding fixture provided by the embodiment of the utility model；

Fig. 2 is the schematic perspective view of the pressing element of welding fixture provided by the embodiment of the utility model；

Fig. 3 is the main view of welding fixture provided by the embodiment of the utility model；

Fig. 4 is the top view of welding fixture provided by the embodiment of the utility model；

Fig. 5 is the schematic perspective view of the station of welding fixture provided by the embodiment of the utility model.

Appended drawing reference:

1- station, the second through-hole of 11-, the first limiting section of 12-, 13- first sliding groove, the second limiting section of 14-, 15- second Sliding slot, 2- pressing element, 21- pressing plate, 22- briquetting, 23- supporting block, 24- interconnecting piece, the first sliding block of 25-, the second internal screw thread of 26- are logical Hole, the second sliding block of 27-, 3- lifting unit, the first drive screw of 31-, 32- drive block, the first internal thread through hole of 33-, 34- first Limited block, 4- translation mechanism, the second drive screw of 41-, the second limited block of 42-, 5- weldment, a- first direction, b- second party To.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.

The component of the utility model embodiment for usually describing and showing in attached drawing here can be with a variety of different Configuration is to arrange and design.It therefore, is not below purport to the detailed description of the embodiments of the present invention provided in the accompanying drawings In the range of limitation claimed invention, but it is merely representative of the selected embodiment of the utility model.

Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The welding fixture according to the application some embodiments is described referring to Fig. 1 to Fig. 5.

This application provides a kind of welding fixtures, as shown in Figure 1 to Figure 3, including station 1, pressing element 2 and elevating mechanism； Pressing element 2 is placed on station 1 comprising pressing plate 21, supporting block 23 and for suppressing the weldment being placed on station 1 Briquetting 22；Briquetting 22 and supporting block 23 are placed on station 1 along first direction a is separated by a distance, and briquetting 22 and support The in a second direction b of block 23 extends；Second direction b and first direction a are perpendicular；Pressing plate 21 is distinguished along the both ends of first direction a It is rotatablely connected with briquetting 22 and supporting block 23；Pressing plate 21 and the drive that its elevating mechanism far from or close to station 1 can be driven Moved end is connected.

Welding fixture provided by the present application includes station 1, pressing element 2 and elevating mechanism；Station 1 is to be welded for placing Weldment 5, then weldment 5 is pressed between pressing element 2 and station 1 to carry out subsequent weld job using pressing element 2. The driving end of elevating mechanism is connected with pressing element 2, can provide active force to pressing element 2 by elevating mechanism, make pressing element 2 to separate Or it is moved close to the direction of station 1；In weld job, first by elevating mechanism drive pressing element 2 rise, make pressing element 2 with Placement space is formed between station 1；Then one end of weldment 5 is placed into the placement formed between pressing element 2 and station 1 In space, elevating mechanism driving pressing element 2 drops to the lower surface of pressing element 2 and weldment 5 fits；Then it is held by elevating mechanism Continue to pressing element 2 and the active force moved downward is provided, is pressed on weldment 5 on station 1.

Pressing element 2 includes pressing plate 21, briquetting 22 and supporting block 23；Briquetting 22 and the in a second direction b of supporting block 23 extend, and Briquetting 22 and supporting block 23 are placed on station 1 along the first direction a perpendicular with second direction b is separated by a distance；? When weld job, weldment 5 is placed on station 1, and briquetting 22 is located at close to the side of weldment 5, and supporting block 23 is located at remote Side from weldment 5, weldment 5 are pressed between briquetting 22 and station 1；Pressing plate 21 is along the both ends of first direction a point It is not rotatablely connected with briquetting 22 and supporting block 23 far from one end of station 1；The driving end of elevating mechanism is the pressing plate with pressing element 2 21 are connected, and provide active force to pressing plate 21 by elevating mechanism to drive the lifting of pressing element 2, and in pressing element 2 to weldment Active force is provided when being suppressed；If pressing plate 21 is fixedly connected with briquetting 22 and supporting block 23, pressing plate 21 will bear axis Xiang Li, shearing and moment of flexure stress, and the application is by the way that pressing plate 21 to be rotatablely connected with briquetting 22 and supporting block 23, make pressing plate 21 with The junction of briquetting 22 and supporting block 23 not effect of bending moment stress during stress, so as to improve pressing plate 21 and briquetting 22 and supporting block 23 junction stress condition, be allowed to be hardly damaged, so improve pressing element 2 service life.

In this embodiment, as shown in Fig. 2, pressing plate 21 is provided with interconnecting piece 24 along the both ends of first direction a, and even Connection through-hole is offered in socket part, the axis direction for connecting through-hole is second direction b；Briquetting 22 and supporting block 23 are far from station 1 one end opens up fluted, and the connecting rod extended in a second direction is provided in groove；21 first direction a's of pressing plate The interconnecting piece 24 at both ends can extend into the groove in corresponding briquetting 22 and supporting block 23, and the connecting rod in groove passes through Connection through-hole on interconnecting piece 24, so that pressing plate 21 is hinged with briquetting 22 and supporting block 23 respectively along the both ends of first direction a Together, thus make pressing element 2 in lifting process or to weldment suppress when pressing plate 21 and briquetting 22 and supporting block 23 connection Locate the effect of not bending moment stress, improve the stress condition of the junction of pressing plate 21 and briquetting 22 and supporting block 23, improves pressing element 2 Service life.

In this embodiment, as shown in Fig. 2, pressing plate 21 along the quantity of the interconnecting piece 24 at the both ends of first direction a is more A, b is spaced apart multiple interconnecting pieces 24 in a second direction；Identical quantity is also offered in corresponding briquetting 22 and supporting block 23 Groove, to keep pressing plate 21 and the connection of briquetting 22 and supporting block 23 more stable, during weld job, pressing plate 21 is along Stress on two direction b is also more evenly.

In this embodiment, as shown in Figure 1 to Figure 3, elevating mechanism includes at least one lifting unit 3, and lifting unit 3 wraps Include the first drive screw 31 and drive block 32；The length direction and pressing plate 21 of first drive screw 31 are perpendicular, and the first transmission One end of screw rod 31 and station 1 are rotatablely connected, and enable the first drive screw 31 around own axis, and first is driven Screw rod 31 cannot be subjected to displacement along length direction and move.

First through hole is offered on pressing plate 21, drive block 32 is connected through first through hole and with pressing plate 21, drive block 32 Inside offer first internal thread through hole 33 compatible with the first drive screw 31；The second through-hole 11 is offered on station 1, the One drive screw 31 passes through the second through-hole 11 on station 1 towards one end of pressing plate 21, and can be logical by the first internal screw thread Hole 33 is screwed into drive block 32, so that pressing plate 21 is connected with the first drive screw 31 by drive block 32；Turn first Drive screw 31 can make drive block 32 that pressing element 2 be driven to transport along the length direction of the first drive screw 31 by the transmission of screw thread It is dynamic, to realize that pressing element 2 is moved to the direction close to or far from station 1.

When the quantity of lifting unit 3 is multiple, the interval b is arranged multiple lifting units 3 in a second direction, thus when lifting When mechanism moves pressing element 2 the offer active force of pressing element 2, the stress of pressing element 2 can be made more balanced, pressure of the pressing element 2 to weldment 5 System is also more stable secured.

Preferably, pressing plate 21 includes muti-piece connecting plate and muti-piece intermediate plate, and the thickness of connecting plate is made to be thicker than intermediate plate；Even The two sides of the first direction a of connecting plate are arranged in socket part 24, are then hinged on by interconnecting piece 24 with briquetting 22 and supporting block 23 Together, a complete pressing plate 21 is joined together to form by relatively thin intermediate plate between muti-piece connecting plate；Drive block 32 is It is connected with the connecting plate of pressing plate 21, so that the driving end of elevating mechanism be made to be connected with thicker connecting plate；Pass through setting Thicker connecting plate makes connecting plate have enough intensity, improves the service life of pressing plate 21；Make intermediate plate that there is one simultaneously Relatively thin thickness, can reduce own wt, to further decrease the load of connecting plate, improve the service life of pressing plate 21.

In this embodiment, as shown in figure 3, the connection of drive block 32 and pressing plate 21 be it is hinged, on the outer wall of drive block 32 Radially the both ends in direction are provided with installation axle；First through hole is the strip hole extended along first direction a, and first through hole Inner wall on the both ends of b in a second direction offer mounting hole, it is right that two installation axles on drive block 32 can be respectively protruding into In the mounting hole answered, so that drive block 32 and pressing plate 21 is hinged；When drive block 32 not with 31 phase of the first drive screw When connection, drive block 32 can deflect certain angle around the axis direction of installation axle；Therefore, by by drive block 32 and pressure Plate 21 is articulated and connected, when elevating mechanism driving pressing plate 21 goes up and down or so that pressing plate 21 is pressed weldment 5 to the offer active force of pressing plate 21, The junction of pressing plate 21 and drive block 32 not bending moment stress, so as to improve the stress feelings of pressing plate 21 and the junction of drive block 32 Condition is allowed to be hardly damaged, and then improves the service life of pressing element 2.

It should be noted that the installation of drive block 32 and pressing plate 21 for convenience, it can be in first through hole b in a second direction Two sides pressing plate 21 on offer semi-circular recesses, be provided with a briquetting above semi-circular recesses, briquetting is towards pressure A semi-circular recesses are equally offered on one end end face of plate 21, and briquetting is fixed on pressing plate 21 by fastener, and is made Two semi-circular recesses are combined into a complete mounting hole, and the installation axle on drive block 32 can extend into mounting hole.

In this embodiment, as shown in figure 3, the side of the table top of station 1 is formed with the first limiting section 12, the first limit Portion 12 includes two support arms extended along first direction a being set side by side, and forms gap between two support arms；First passes One end that dynamic screw rod 31 is connected with station 1 be arranged along its length there are two the first limited block spaced apart 34, the first clamping groove is formed between two the first limited blocks 34, between the first drive screw 31 is across two support arms Gap, and two support arms can extend into the first clamping groove, carries out axial limiting to the first drive screw 31, makes the first biography Dynamic screw rod 31 is only capable of around own axis, can not be subjected to displacement and be moved along length direction；To work as turn first When drive screw 31, drive block 32 and pressing element 2 can be made to transport along the length direction of the first drive screw 31 by screw-driven It is dynamic, it moves pressing element 2 to the direction far from or close to station 1, and work as to first drive screw of direction turn 31, makes to press When tool 2 is moved to the direction close to station 1, continues to rotate the first drive screw 31 to this direction, can be provided to pressing element 2 One active force moved downward provides weldment 5 stable and firm so that pressing element 2 be made to be tightly pressed on weldment 5 Pressure guarantees the quality of welding.

In this embodiment, as shown in Figures 2 to 4, welding fixture further includes translation mechanism 4, and translation mechanism 4 includes second Drive screw 41；First sliding groove 13, the length direction of first sliding groove 13 and are offered towards the side of pressing element 2 on station 1 One direction a is identical, and the first sliding block 25 is provided with below the supporting block 23 of pressing element 2, and the first sliding block 25 is located in first sliding groove 13, from And when pressing element 2 is by active force along first direction a, pressing element 2 can be moved along first direction a, i.e. pressing element 2 can be to Close to or far from the direction movement of 5 weld seam of weldment.Pressing element 2 applies the effect along first direction a to it by translation mechanism 4 Power can be moved along first direction a；Second drive screw 41 is rotatablely connected with station 1, makes the second drive screw 41 can only can not be subjected to displacement along the axis direction of itself and move around own axis；Second drive screw 41 Length direction is identical as first direction a；It is offered and the second transmission spiral shell in the first sliding block 25 under supporting block 23 along first direction a Compatible second internal thread through hole 26 of bar 41, the end of thread of the second drive screw 41 can extend into first sliding groove 13, and It is screwed into the second internal thread through hole 26, so that the second drive screw 41 be linked together by the first sliding block 25 with pressing element 2； When the second drive screw 41 of turn, by the transmission of screw thread, the first sliding block 25 is able to drive the length direction of pressing element 2 along the chute i.e. First direction a movement, moves pressing element 2 to the direction close to or far from weld seam；So as to be placed on operation according to weldment 5 Position on platform 1, the form and dimension of weldment 5 adjust pressing element 2 to the pressing position of weldment 5, pressing element 2 are enable to stablize It is compressed on weldment 5 securely, pressing position is improper when preventing from welding, and can not effectively be suppressed weldment 5, be caused Occur deforming when welding or situations such as rosin joint.

It should be noted that the second through-hole 11 opened up on station 1 is strip hole, the length direction of strip hole and first Direction a is identical, and the length direction of two support arms is also identical as first direction a；To make when translation mechanism 4 acts on pressing element 2 When it is moved along first direction a, elevating mechanism can be moved with pressing element 2 along first direction a.

In this embodiment, as shown in figures 1 and 3, station 1 is also formed with the second limit along the side of first direction a Portion 14 carries out axis limit to the second drive screw 41 by the second limiting section 14, makes the second drive screw 41 can only be around certainly Body axis rotation, and can not be moved along first direction a；When to the second drive screw 41 of turn, it can be made by screw-driven First sliding block 25 and pressing element 2 can be moved along direction, that is, first direction a of screw-driven, to adjust pressing element 2 to weldment 5 Pressing position.

Long kidney-shaped hole is offered on second limiting section 14, one end that the second drive screw 41 is connected with station 1 is along it Length direction setting forms the second clamping there are two the second limited block 42 spaced apart, between two the second limited blocks 42 Groove, the second drive screw 41 passes through long kidney-shaped hole, and the second limiting section 14 is arranged in the second clamping groove, thus to second Drive screw 41 carries out axial limiting.

It should be noted that the length direction of long kidney-shaped hole is identical as the length direction of the first drive screw 31, thus When elevating mechanism driving pressing element 2 is moved along first direction a, translation mechanism 4 can also be gone up and down therewith.

In this embodiment, as shown in Figure 2 and Figure 5, it is also provided with multiple second sliding slots 15 on station 1, multiple second B is symmetrically distributed in the two sides of first sliding groove 13 to sliding slot 15 in a second direction；The lower section of supporting block 23 is provided with multiple second sliding blocks 27, multiple second sliding blocks 27 are corresponded with multiple second sliding slots 15 on station 1；Pass through setting first sliding groove 13 and multiple Second sliding slot 15, and corresponding first sliding block 25 and the second sliding block 27 are correspondingly arranged in supporting block 23, to pressing element 2 along first party Movement to a is oriented to, and so that pressing element 2 is smoothly moved along first direction a, is not shifted, thus more accurately fixed Pressing position of the position pressing element 2 to weldment 5.

In this embodiment, as shown in Figure 1, the quantity of pressing element 2 is two, two pressing elements 2 are separated by centainly along first direction a Distance is set on station 1, and the briquetting 22 of two pressing elements 2 is respectively positioned on inside, and the supporting block 23 of two pressing elements 2 is on the outside； To push down two weldments 5 for needing to weld together respectively by two pressing elements 2, it is located at the weld seam of two weldments 5 Between two pressing elements 2；Also elevating mechanism and translation mechanism 4 are respectively arranged on two pressing elements 2, i.e., two pressing elements 2 can be real It now goes up and down and translates, to realize the adjustment to weldment 5 pressing position and compaction degree.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of welding fixture, which is characterized in that including station, pressing element and elevating mechanism；

The pressing element is placed on the station, and the pressing element includes pressing plate, supporting block and is placed in the behaviour for suppressing Make the briquetting of the weldment on platform；

The briquetting and the supporting block are placed on the station along first direction is separated by a distance, and the briquetting and The supporting block extends in a second direction；The second direction and the first direction are perpendicular；The pressing plate is along described The both ends in one direction are rotatablely connected with the briquetting and the supporting block respectively；

The pressing plate is connected with that can drive the driving end of its elevating mechanism far from or close to the station.

2. welding fixture according to claim 1, which is characterized in that the pressing plate is provided with along the both ends of first direction Interconnecting piece offers connection through-hole on the interconnecting piece, and the axis direction of the connection through-hole is the second direction；

The one end of the briquetting and the supporting block far from the station opens up fluted, is provided in the groove along institute State the connecting rod of second direction extension；The interconnecting piece is sheathed in the connecting rod by the connection through-hole, makes the pressure Plate is rotatablely connected with the briquetting and the supporting block respectively.

3. welding fixture according to claim 2, which is characterized in that the quantity of the interconnecting piece at the pressing plate both ends is equal To be multiple, multiple interconnecting pieces are spaced apart along the second direction；It is opened up on the briquetting and the supporting block described The quantity of groove is also multiple, and is corresponded with the interconnecting piece on the pressing plate.

4. welding fixture according to claim 1, which is characterized in that the elevating mechanism includes that at least one lifting is single Member, the lifting unit include the first drive screw and drive block, are offered and first drive screw in the drive block Compatible first internal thread through hole；

First through hole is offered on the pressing plate, the drive block is connected through the first through hole and with the pressing plate；Institute The length direction for stating the first drive screw is rotated perpendicular to the pressing plate, one end of first drive screw and the station Connection；The second through-hole is offered on the station, the other end of first drive screw passes through second through-hole and institute State drive block threaded connection；

When the quantity of the lifting unit is multiple, multiple lifting units are arranged along the second direction interval.

5. welding fixture according to claim 4, which is characterized in that the both ends on the outer wall of the drive block radially It is provided with installation axle；The first through hole is the strip hole extended along the first direction, on the inner wall of the first through hole Both ends along the second direction offer mounting hole；The drive block passes through the first through hole and two installation axles It can be inserted respectively into the mounting hole.

6. welding fixture according to claim 4, which is characterized in that the table top of the station far from the pressing element one Side is formed with the first limiting section；

First limiting section includes two support arms extended along the first direction, and two support arms are along described the Two directions are set side by side, and form gap between two support arms；

One end that first drive screw is connect with the station is arranged along its length there are two the first limited block, and two The first clamping groove is formed between a first limited block；First drive screw is across two support arms Gap, and a part of two support arms can extend into first clamping groove.

7. welding fixture according to claim 4, which is characterized in that further include translation mechanism, the translation mechanism includes Second drive screw；

First sliding groove is offered on the station, the length direction of the first sliding groove is identical as the first direction；It is described It is provided with the first sliding block below supporting block, first sliding block is located in the first sliding groove；

The second internal screw thread compatible with second drive screw is offered along the first direction in first sliding block to lead to Hole；The length direction of second drive screw is identical as the first direction, one end of second drive screw with it is described Station rotation connection, the other end of second drive screw protrude into the first sliding groove and are connected with first sliding block It connects；

Second through-hole opened up on the station is strip hole, the length direction of the strip hole and the first direction It is identical.

8. welding fixture according to claim 7, which is characterized in that side shape of the station along the first direction At there is the second limiting section；

Long kidney-shaped hole, the length direction of the long kidney-shaped hole and first drive screw are offered on second limiting section Length direction is identical；

One end that second drive screw is connected with the station is arranged along its length there are two the second limited block, The second clamping groove is formed between two second limited blocks；Second drive screw passes through the long kidney-shaped hole, and institute Stating the second limiting section can be arranged in second clamping groove.

9. welding fixture according to claim 7, which is characterized in that offered on the station multiple along described first The second sliding slot that direction extends, multiple second sliding slots are symmetrically distributed in the two of the first sliding groove along the second direction Side；

Multiple second sliding blocks are equipped with below the supporting block, multiple second sliding blocks and multiple second sliding slots one are a pair of It answers.

10. the welding fixture according to any one of claim 7-9, which is characterized in that the quantity of the pressing element is two, Two pressing elements are set on the station along the first direction is separated by a distance；

The elevating mechanism and the translation mechanism are arranged in a one-to-one correspondence with the pressing element respectively.