CN214291284U

CN214291284U - Split type welding frock clamp

Info

Publication number: CN214291284U
Application number: CN202022422008.0U
Authority: CN
Inventors: 李健; 李俐; 王岳化; 郑盈盈; 钱彬彬
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-09-28
Anticipated expiration: 2030-10-27

Abstract

A split type welding tool clamp comprises a connecting support assembly, a plurality of groups of floating compression assemblies connected with the connecting support assembly and a plurality of compression blocks respectively connected with the plurality of groups of floating compression assemblies, wherein the connecting support assembly is used for being connected with welding equipment, the floating compression assemblies are connected with the connecting support assembly, and the compression blocks are connected below the floating compression assemblies and used for compressing a welding workpiece; the floating pressing assembly comprises a fixed plate, a movable block, a spring and a fixed block; the fixed plate links to each other with the joint support subassembly, and the movable block is located the below of fixed plate and is connected with the fixed plate slides from top to bottom, and the spring is located and is used for driving the movable block between fixed plate and the movable block, and the fixed block is located the below of movable block and is rotated with the movable block and be connected, has the technological effect that improves the quality of brazing.

Description

Split type welding frock clamp

Technical Field

The utility model relates to the field of welding technique, especially, relate to a split type welding frock clamp.

Background

At present, in low-voltage electrical appliances, particularly frame circuit breakers, a contact is taken as a core part, the brazing rate of the contact is an important index of the welding quality of the contact, the unstable brazing rate can influence the performance of the whole product, and one of conventional welding positioning is positioning by adopting an integral pressing block, so that the following defects exist:

1. the integral pressing block is easy to wear in the welding process to cause uneven welding surface of the contact.

2. The integral pressing block is easy to form uneven melting of the brazing filler metal in the welding process, so that the brazing rate is unqualified.

3. The problem of instable brazing rate of frame circuit breaker contacts in welding has existed for many years.

Therefore, how to improve the stability and the quality of the welding is a problem to be solved.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a split type welding frock clamp simple structure, reliability are high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a split type welding tool clamp comprises a connecting support assembly, a plurality of groups of floating compression assemblies connected with the connecting support assembly and a plurality of compression blocks respectively connected with the plurality of groups of floating compression assemblies, wherein the connecting support assembly is used for being connected with welding equipment, the floating compression assemblies are connected with the connecting support assembly, and the compression blocks are connected below the floating compression assemblies and used for compressing a welding workpiece; the floating pressing assembly comprises a fixed plate, a movable block, a spring and a fixed block; the fixed plate is connected with the connecting and supporting assembly, the movable block is arranged below the fixed plate and connected with the fixed plate in a vertically sliding mode, the spring is located between the fixed plate and the movable block and used for driving the movable block, and the fixed block is arranged below the movable block and connected with the movable block in a rotating mode.

Preferably, the multiple groups of floating compaction assemblies are arranged side by side.

Preferably, the same fixed plate of multiunit floating compression assembly sharing, the multiunit floating compression assembly sets up side by side along the length direction of fixed plate, and arbitrary two sets of adjacent fixed blocks or compact heap paste mutually.

Preferably, the spread groove has been seted up to the bottom of fixed plate, set up vertical setting on the lateral wall of fixed plate with the straight flute mouth of spread groove intercommunication, in the spread groove was inserted to the upper end of movable block, inserted in the straight flute mouth of the upper end of movable block and fixed plate and was equipped with the round pin axle, the movable block slided from top to bottom through round pin axle and straight flute mouth cooperation.

Preferably, the top of fixed block has seted up the activity groove, and the lower extreme of movable block inserts in the activity groove and has the clearance between the lower surface in activity groove and the lower surface in activity groove, rotates between movable block and the fixed block to be connected with the loose axle, the axial perpendicular to activity groove of loose axle.

Preferably, the movable block is T-shaped and comprises a vertical section and a horizontal section which are connected to form the T shape, one end of the vertical section is inserted into a connecting groove of the fixed plate and slides up and down in a matching way with the vertical groove opening through a pin shaft, and the other end of the vertical section is connected with the middle part of the horizontal section; the top of fixed block has seted up the activity groove, the horizontal segment inserts in the activity groove and is connected with the fixed block rotation, the spring housing is located between fixed plate and the movable block on the vertical section.

Preferably, the connecting and supporting assembly comprises a connecting block and a cover plate, the connecting block is vertically arranged on the cover plate and fixedly connected with the cover plate, and the connecting block is used for being connected with welding equipment; the bottom of apron has seted up first fixed slot along its length direction, and the upper end of fixed plate is equipped with first lug and inserts in the first fixed slot in order to prevent to take place the skew, fixed connection between fixed plate and the apron.

Preferably, the bottom of the fixed block is provided with a second positioning groove along the length direction of the fixed block, and the top of the pressing block is provided with a second convex block which is inserted into the second positioning groove and fixed by a fixing shaft.

Preferably, the movable block, the fixed block and the pressing block are made of different materials.

Preferably, the pressing block is a ceramic block, the fixed block is a metal fixed block, and the movable block is a plastic movable block.

The utility model discloses a split type welding frock clamp, a be used for fixing on welding equipment, compress tightly welding workpiece during the welding, the multiunit floats and compresses tightly subassembly and compact heap and be used for compressing tightly welding workpiece, the different compact heap that floats under the subassembly that compresses tightly contacts with the different positions of work piece respectively, in welding process, the work piece is like the unevenness, the multiunit floats and compresses tightly the subassembly and can drive a plurality of compact heaps and rotate, guarantee that the compact heap flattens the work piece all the time, when the brazing filler metal melts, under the effect that compresses tightly the subassembly floats, drive a plurality of compact heaps and along with melting of brazing filler metal, constantly keep with the abundant laminating of work piece, can eliminate work piece error between the work piece, when guaranteeing that the brazing filler metal melts, not produce the clearance because of the brazing filler metal runs off between work piece and the contact.

In addition, the pressing block is a ceramic block, the pressing block and the fixing block are arranged in a split mode, installation and replacement are convenient, the pressing block and the fixing block are made of different materials, and heat loss caused by heat transfer in the welding process is prevented.

Drawings

FIG. 1 is a schematic side view of the split welding fixture of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is the utility model discloses split type welding frock clamp look sideways at the structural schematic diagram.

In the figure: 1. a cover plate; 2. a fixing plate; 3. connecting blocks; 4. a spring; 5. a movable block; 6. a fixed block; 7. a compression block; 8. a pin; 9. a movable shaft; 10. a workpiece; 11. a first bump; 12. a second bump; 13. a straight notch.

Detailed Description

The following describes the specific implementation of the split type welding tool clamp according to the present invention with reference to the embodiments shown in fig. 1 to 3. The utility model discloses a split type welding frock clamp is not limited to the description of following embodiment.

A split type welding tool clamp is shown in figures 1-3 and comprises a connecting support assembly, a floating pressing assembly and a pressing block 7. The connecting and supporting assembly is used for being connected with welding equipment, the floating pressing assembly is connected with the connecting and supporting assembly and used for floating correspondingly along with the evenness of brazing filler metal and the flatness of the workpiece 10, and the pressing block 7 is connected below the floating pressing assembly and used for pressing the welding workpiece 10. During operation, the compact heap 7 compresses tightly welding workpiece 10, and in welding process, work piece 10 is like the unevenness, and the subassembly that compresses tightly that floats can drive compact heap 7 and rotate, guarantees compact heap 7 and flattens work piece 10 all the time, and when the brazing filler metal melts, under the floating force effect of the subassembly that compresses tightly that floats, drives compact heap 7 and along with melting of brazing filler metal, keeps constantly fully laminating with work piece 10.

The floating pressing assembly comprises a fixed plate 2, a movable block 5, a spring 4 and a fixed block 6. The fixed plate 2 is connected with the connecting and supporting component, the movable block 5 is arranged below the fixed plate 2, the upper end of the movable block is connected with the fixed plate 2 in a vertically sliding mode, the spring 4 is located between the fixed plate 2 and the movable block 5 and used for driving the movable block 5 to reset, and the fixed block 6 is arranged below the movable block 5 and rotationally connected with the movable block 5. The pressing block 7 is fixedly connected with the fixing block 6, and preferably, the pressing block 7 is a ceramic block. With compact heap 7 and the components of a whole that can function independently setting of fixed block 6, compact heap 7 is installed at fixed block 6, not only is convenient for install and change, and can make compact heap 7 and fixed block 6 adopt different materials to prevent to take place heat transfer and lead to heat loss in welding process. As a deterioration, the pressing block 7 and the fixing block 6 may be of an integral structure.

During operation spring 4 is in the state of compressing tightly, and welding equipment produces decurrent pressure to unsteady compress tightly subassembly and compact heap 7 through connecting the supporting component, and when the top of work piece 10 was uneven, because compact heap 7 pastes with the upper surface of work piece 10 mutually, under welding equipment's pressure effect, can produce the power that makes compact heap 7 with the lower one side deflection of height. When the pressing block 7 deflects, the fixed block 6 deflects along with the pressing block 7 around the joint between the fixed block 6 and the movable block 5, so that the pressing block 7 is in close contact with the upper surface of the workpiece 10 to flatten the workpiece 10.

After the brazing filler metal melts, the pressing block 7 and the fixing block 6 deflect towards one side with higher melting degree according to different melting degrees of the brazing filler metal, the brazing filler metal melts from two sides to the middle gradually due to the high-frequency induction heating characteristic, the split type compression can ensure that the melting part is compressed firstly, and when the brazing filler metal melts, a gap is not generated between the workpiece 10 and a contact due to brazing filler metal loss. Along with melting of brazing filler metal in welding process, the height of fixed block 6 and compact heap 7 can descend under the pressure of spring 4, and decurrent slip can take place for movable block 5 under the support of fixed plate 2, the distance increase between movable block 5 and the fixed plate 2 this moment, and spring 4 can produce corresponding extension simultaneously in order to supply the distance between movable block 5 and the fixed plate 2 for keep stable between movable block 5 and the fixed plate 2, compact heap 7 is in the state of flattening work piece 10 all the time simultaneously. Because the contact workpieces 10 are always tightly attached in the welding process, the workpieces 10 which are not uniformly heated are ensured, and when the brazing filler metal is molten, gaps are not generated between the workpieces 10 and the contacts due to the loss of the brazing filler metal through the sliding of the movable block 5 and the automatic adjustment of acting force, so that the brazing quality is improved. And because there is always a large contact surface between the compact 7 and the workpiece 10 during the welding process, the wear between the compact 7 and the workpiece 10 is small.

Preferably, because the upper surface smoothness of different work pieces 10 is different, the same work piece 10 upper surface probably inclines to different directions in the position of difference to lead to the area of contact of compact heap 7 and work piece 10 upper surface less, in order to solve this problem, split type welding frock clamp includes that the multiunit floats and compresses tightly the subassembly, and the multiunit floats and compresses tightly the subassembly and all is used for compressing tightly welding work piece 10, and the compact heap 7 that the multiunit floated the subassembly that compresses tightly contacts with the different positions of work piece 10 respectively.

Preferably, the multiple groups of floating compaction assemblies are arranged side by side in a sticking manner. The floating pressing assemblies in the embodiment are arranged in three groups side by side along the length direction of the fixing plate 2, certainly, the floating pressing assemblies in the three groups can also be two or more, the floating pressing assemblies in the three groups share the same fixing plate 2 or the fixing plate 2 of the floating pressing assemblies in the three groups are fixedly connected, any two adjacent groups of fixing blocks 6 or pressing blocks 7 are attached to each other, and the pressing blocks 7 under the different floating pressing assemblies are respectively contacted with different parts of the workpiece 10. When the upper surface of one workpiece 10 is inclined to different directions or has different slopes at different positions, the three pressing blocks 7 can be stably attached to different positions of the workpiece 10 at different deflection angles under the pressure of the three springs 4, so that the workpiece 10 can be effectively flattened. Of course, as a variation, the fixed plates 2 of the three sets of floating pressing assemblies may not share one fixed plate 2, or may be connected and fixed with the connecting support assemblies respectively.

Preferably, the spread groove has been seted up to the bottom of fixed plate 2, set up vertical setting on the lateral wall of fixed plate 2 with the straight flute mouth 13 of spread groove intercommunication, in the spread groove was inserted to the upper end of movable block 5, be equipped with the round pin axle in the upper end of movable block 5 and the straight flute mouth 13 interpolation of fixed plate 2, movable block 5 slides from top to bottom through round pin axle and the cooperation of straight flute mouth 13, the round pin axle slides from top to bottom in straight flute mouth 13 makes movable block 5 can reciprocate.

Preferably, the movable groove has been seted up at the top of fixed block 6, and the lower extreme of movable block 5 inserts in the movable groove and has the clearance between the lower surface of movable block 5 and the lower surface in movable groove, rotates between movable block 5 and the fixed block 6 and is connected with loose axle 9, and the axial perpendicular to movable groove of loose axle 9 passes the both sides lateral wall in movable groove. When the pressing block 7 deflects, the fixed block 6 relatively deflects around the movable shaft 9, and the gap between the movable block 5 and the fixed block 6 provides a space for the fixed block 6 to rotate around the movable shaft 9.

Preferably, the movable block 5 is T-shaped and comprises a vertical section and a horizontal section which are connected to form the T shape, one end of the vertical section is inserted into the connecting groove of the fixed plate 2 and slides up and down in a matching way with the vertical groove opening 13 through a pin shaft, and the other end of the vertical section is connected with the middle part of the horizontal section; the movable groove has been seted up at the top of fixed block 6, the horizontal segment inserts the movable inslot and is connected with fixed block 6 rotation, spring 4 cover is located between fixed plate 2 and movable block 5 on vertical section, and the unsteady simple structure that compresses tightly the subassembly, assembles convenience very.

Preferably, the connecting and supporting assembly comprises two groups of connecting blocks 3 and a cover plate 1, the connecting blocks 3 are vertically arranged on the cover plate 1 side by side, the connecting blocks 3 are fixedly connected with the cover plate 1 through screws, and the connecting blocks 3 are used for being connected with welding equipment; the bottom of apron 1 has seted up first fixed slot along its length direction, and the upper end of fixed plate 2 is equipped with first lug 11 and inserts in the first fixed slot in order to prevent to take place the skew, links to each other through the screw fixation between fixed plate 2 and the apron 1.

Preferably, the bottom of the fixed block 6 is provided with a second positioning groove along the length direction thereof, the top of the pressing block 7 is provided with a second protruding block 12 and inserted into the second positioning groove to prevent the pressing block 7 from deviating, and a plurality of fixed shafts penetrate through the pressing block 7 and the side wall of the second positioning groove to fixedly connect the fixed block 6 and the pressing block 7.

Preferably, the movable block 5, the fixed block 6 and the pressing block 7 are made of different materials to prevent heat loss caused by heat transfer during welding of the workpiece 10, for example, the fixed block 6 is a metal fixed block, and the movable block 5 is a plastic movable block. The compressing block 7 is made of ceramic material, the fixing block 6 is made of metal material, and the movable block 5 is made of plastic, but not limited to these three materials used in the embodiment, and any single-property material or composite material capable of generating mutual heat insulation effect is within the protection scope of the present invention.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a split type welding frock clamp which characterized in that: the device comprises a connecting and supporting assembly, a plurality of groups of floating pressing assemblies connected with the connecting and supporting assembly and a plurality of pressing blocks (7) respectively connected with the plurality of groups of floating pressing assemblies, wherein the connecting and supporting assembly is used for being connected with welding equipment, the floating pressing assemblies are connected with the connecting and supporting assembly, and the pressing blocks (7) are connected below the floating pressing assemblies and are used for pressing welding workpieces (10);

the floating pressing assembly comprises a fixed plate (2), a movable block (5), a spring (4) and a fixed block (6); fixed plate (2) link to each other with the joint support subassembly, and the below of fixed plate (2) is located in movable block (5) and slides from top to bottom with fixed plate (2) and be connected, and spring (4) are located and are used for driving movable block (5) between fixed plate (2) and movable block (5), and fixed block (6) are located the below of movable block (5) and are rotated with movable block (5) and be connected.

2. The split welding tool clamp of claim 1, wherein: the multiple groups of floating compression assemblies are arranged side by side.

3. The split welding tooling fixture of claim 2, wherein: the floating pressing assemblies share the same fixing plate (2), the floating pressing assemblies are arranged side by side along the length direction of the fixing plate (2), and any two adjacent fixing blocks (6) or pressing blocks (7) are attached to each other.

4. The split welding tool clamp of claim 1, wherein: the spread groove has been seted up to the bottom of fixed plate (2), set up vertical setting on the lateral wall of fixed plate (2) with straight flute mouth (13) of spread groove intercommunication, in the spread groove was inserted to the upper end of movable block (5), be equipped with the round pin axle in the upper end of movable block (5) and straight flute mouth (13) interpolation of fixed plate (2), movable block (5) slide from top to bottom through round pin axle and straight flute mouth (13) cooperation.

5. The split welding tool clamp of claim 1, wherein: the movable groove has been seted up at the top of fixed block (6), and the lower extreme of movable block (5) is inserted into the movable groove and has the clearance between the lower surface in movable block (5) and the lower surface in movable groove, rotates between movable block (5) and fixed block (6) and is connected with loose axle (9), the axial perpendicular to movable groove of loose axle (9).

6. The split welding tooling fixture of claim 4, wherein: the movable block (5) is T-shaped and comprises a vertical section and a horizontal section which are connected to form a T shape, one end of the vertical section is inserted into a connecting groove of the fixed plate (2) and is matched with the vertical groove opening (13) to slide up and down through a pin shaft, and the other end of the vertical section is connected with the middle part of the horizontal section; the top of fixed block (6) has been seted up movable groove, the horizontal segment is inserted movable inslot and is rotated with fixed block (6) and be connected, spring (4) cover is located between fixed plate (2) and movable block (5) on vertical section.

7. The split welding tool clamp of claim 1, wherein: the connecting and supporting assembly comprises a connecting block (3) and a cover plate (1), the connecting block (3) is vertically arranged on the cover plate (1) and fixedly connected with the cover plate, and the connecting block (3) is used for being connected with welding equipment; the bottom of apron (1) is equipped with first fixed slot along its length direction, and the upper end of fixed plate (2) is equipped with first lug (11) and inserts in the first fixed slot in order to prevent to take place the skew, fixed connection between fixed plate (2) and apron (1).

8. The split welding tool clamp of claim 1, wherein: the bottom of the fixing block (6) is provided with a second positioning groove along the length direction, and the top of the pressing block (7) is provided with a second bump (12) which is inserted into the second positioning groove and fixed by a fixing shaft.

9. The split welding tool clamp of claim 1, wherein: the movable block (5), the fixed block (6) and the pressing block (7) are made of different materials.

10. The split welding tooling fixture of claim 9, wherein: the pressing block (7) is a ceramic block, the fixed block (6) is a metal fixed block, and the movable block (5) is a plastic movable block.