CN214393039U

CN214393039U - Clamping tool for valve body welding

Info

Publication number: CN214393039U
Application number: CN202120338969.5U
Authority: CN
Inventors: 郎璞
Original assignee: Hangzhou Xinghai Casting Co ltd
Current assignee: Hangzhou Xinghai Casting Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-15
Anticipated expiration: 2031-02-05

Abstract

The utility model belongs to the technical field of anchor clamps and specifically relates to a be used for valve body welded centre gripping frock is related to, it includes the support, be provided with the centre gripping subassembly that is used for the centre gripping work piece on the support, the centre gripping subassembly is including connecting the connecting block on the support and the cover that presss from both sides that is used for the centre gripping work piece, it rotates to connect in the connecting block to press from both sides the cover, be provided with on the connecting block and be used for driving and press from both sides cover pivoted runner assembly, runner assembly includes first gear and second gear, the coaxial fixed connection of first gear is sheathe in the clamp, the second gear rotates to be connected in the connecting block, just first gear and second gear meshing, be provided with drive second gear pivoted drive assembly on the support. This application has the convenient operation simple effect when welding near the support part.

Description

Clamping tool for valve body welding

Technical Field

The application relates to the field of clamps, in particular to a clamping tool for welding a valve body.

Background

When the valve body needs to be welded, the valve body needs to be clamped.

The utility model discloses a chinese utility model patent that grant bulletin number is CN202264033U discloses fastening centre gripping platform, the on-line screen storage device comprises a base, the both ends fixedly connected with of base falls "U" shape seat, the last fixed surface of base is connected with the correction seat, the correction seat upwards opens flutedly, the base left part is opened there is the medicine leather hole, the correction seat left part is opened there is the welding hole, the welding hole is corresponding with the medicine leather hole, the upper surface of falling "U" shape seat is opened and is pressed the silk hole, press silk hole fixedly connected with nut, nut female connection has the pressure silk, press the silk to pass through the pressure silk hole, the upper end fixedly connected with handle of pressure silk.

With respect to the related art in the above, the inventors consider that: after two work pieces that will weld up are fixed a position, weld again, often need weld two terminal surfaces a week that the work piece contacted, and when the position that needs are close to the base was welded, need the twist grip will press the silk to break away from the work piece, will be close to the position of base again and rotate to the direction of keeping away from the base, twist grip fixes a position the work piece again, welds it again, makes the operation comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

In order to be close to the convenient operation simple when the support part welds, this application provides a centre gripping frock for valve body welding.

The application provides a be used for valve body welded centre gripping frock adopts following technical scheme:

the utility model provides a be used for valve body welded centre gripping frock, includes the support, be provided with the centre gripping subassembly that is used for the centre gripping work piece on the support, the centre gripping subassembly is including connecting the connecting block on the support and the cover that presss from both sides that is used for centre gripping work piece, it rotates to connect in the connecting block to press from both sides the cover, be provided with on the connecting block and be used for driving and press from both sides cover pivoted runner assembly, runner assembly includes first gear and second gear, the coaxial fixed connection of first gear is on the cover, the second gear rotates to be connected in the connecting block, just first gear and second gear meshing, be provided with drive second gear pivoted drive assembly on the support.

Through adopting above-mentioned technical scheme, when needs weld the work piece, with the work piece centre gripping in pressing from both sides the cover, keep away from the work piece position welding of support and finish the back, through drive assembly drive second gear revolve, the second gear revolve the drive first gear revolve, first gear revolve drives and presss from both sides the cover and rotate, presss from both sides the cover and rotates the work piece position that makes to be close to the support to the direction of keeping away from the support and rotate, makes operating personnel to the work piece position welding that originally is close to the support convenient simple.

Optionally, a fixed block is connected to the support, a connecting rod is coaxially connected to the second gear, the connecting rod is rotatably connected to the connecting block, the driving assembly includes a third gear and a rack, the third gear is rotatably connected to the inside of the fixed block, the third gear is coaxially connected to the connecting rod, the rack is slidably connected to the inside of the fixed block, and the third gear is engaged with the rack; and a positioning assembly for positioning the rack is arranged on the fixed block.

Through adopting above-mentioned technical scheme, when needs drive second gear revolve, the drive rack slides, and the rack slides and drives third gear revolve, and third gear revolve drives the connecting rod and rotates, and the connecting rod rotates and drives second gear revolve, makes the operation comparatively convenient simple.

Optionally, the positioning assembly comprises a positioning block and a positioning screw, the positioning block is connected to the fixing block, a plurality of insertion holes in insertion fit with the positioning screw are formed in the rack, and the positioning screw is in threaded connection with the positioning block.

By adopting the technical scheme, when the jacket needs to be driven to rotate, an operator rotates the positioning screw to enable the positioning screw to be separated from the inserting hole, and then drives the rack to slide, so that the third gear, the second gear and the first gear are driven to rotate, and the jacket is driven to rotate; when needs are fixed a position the cover, operating personnel rotates the positioning screw, with positioning screw and plug-in connection cooperation, can restrict the rack and slide, and then restriction third gear, second gear and first gear rotation, the location and the rotation operation of pressing from both sides the cover are comparatively convenient simple.

Optionally, the rack is connected with a first blocking piece, the fixed block is provided with a sliding chute matched with the blocking piece in a sliding mode, the end portion of the sliding chute is connected with a second blocking piece, and the first blocking piece is connected between the bottom of the sliding chute and the second blocking piece in a sliding mode.

Through adopting above-mentioned technical scheme, first separation blade on the rack slides and connects between spout tank bottom to second separation blade, and the setting of second separation blade and first separation blade can prevent to a certain extent that rack and third gear from breaking away from.

Optionally, the rack is connected with a dovetail block, and the fixed block is provided with a dovetail groove matched with the dovetail block in a sliding manner.

By adopting the technical scheme, the dovetail block on the rack is connected in the dovetail groove on the fixed block in a sliding manner, the dovetail block and the dovetail groove play a good guiding role, and the condition that the sliding direction of the rack deviates can be reduced to a certain extent.

Optionally, a limiting assembly for limiting the workpiece is arranged on the jacket, the limiting assembly comprises a limiting block connected to the jacket in a sliding manner and a rubber pad connected to the limiting block, and the rubber pad is abutted against the workpiece; and a sliding assembly used for driving the limiting block to slide is arranged on the clamping sleeve.

By adopting the technical scheme, when a workpiece is clamped on the clamping sleeve, the workpiece is firstly arranged in the clamping sleeve, and then the sliding assembly drives the limiting block to slide towards the direction close to the workpiece, so that the rubber pad supports the workpiece tightly, the workpiece is positioned, the workpiece is well positioned in the clamping sleeve, and the workpiece can be well driven to rotate when the clamping sleeve is rotated.

Optionally, the sliding assembly comprises a threaded rod and a rotating sheet, the threaded rod is connected to the clamping sleeve in a threaded mode, one end, close to the limiting block, of the threaded rod is connected with the rotating sheet, a rotating groove connected with the rotating sheet in a rotating mode is formed in the limiting block, and one end, far away from the rotating sheet, of the threaded rod extends out of the clamping sleeve and is connected with an operating handle.

Through adopting above-mentioned technical scheme, when needs drive stopper slide, operating personnel rotates operating handle and drives the threaded rod and rotate, and the threaded rod rotates and drives the rotor plate and rotate, and the rotor plate is slided along with the threaded rod emergence when pivoted, and then drives the stopper and slide along threaded rod length direction, makes the operation comparatively convenient simple.

Optionally, the operating handle is connected to the threaded rod through a bolt; the limiting block comprises two splicing blocks fixedly connected through bolts, grooves are formed in the end faces, contacting with each other, of one ends of the two splicing blocks, and the grooves in the two splicing blocks jointly form a rotating groove.

Through adopting above-mentioned technical scheme, when installation rotor to spacing piece was in, set up the rotor in the recess of two splice pieces, pass through bolt fixed connection with two splice pieces again, again with threaded rod threaded connection on the double-layered sleeve, then with operating handle pass through bolted connection on the threaded rod can, make the installation of rotor comparatively convenient simple.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a workpiece needs to be welded, the workpiece is clamped in the jacket, after the welding of the workpiece part far away from the support is finished, the driving assembly drives the second gear to rotate, the second gear rotates to drive the first gear to rotate, the first gear rotates to drive the jacket to rotate, and the jacket rotates to enable the workpiece part close to the support to rotate towards the direction far away from the support, so that an operator can conveniently and simply weld the workpiece part close to the support originally;

2. when the jacket needs to be driven to rotate, an operator rotates the positioning screw to enable the positioning screw to be separated from the inserting hole, and then drives the rack to slide, so that the third gear, the second gear and the first gear are driven to rotate, and the jacket is driven to rotate; when the jacket needs to be positioned, an operator rotates the positioning screw rod, and the positioning screw rod is in inserting fit with the inserting hole, so that the sliding of the rack can be limited, and further, the rotation of the third gear, the second gear and the first gear is limited, and the positioning and rotating operation of the jacket is convenient and simple;

3. when a workpiece is clamped on the jacket, the workpiece is firstly arranged in the jacket, and then the sliding assembly drives the limiting block to slide towards the direction close to the workpiece, so that the rubber pad tightly supports the workpiece, the workpiece is positioned, the workpiece is well positioned in the jacket, and the workpiece can be well driven to rotate when the jacket is rotated.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 2;

FIG. 4 is an exploded view of the spacing assembly and glide assembly;

FIG. 5 is a schematic view of the hidden fixed block and the hidden support of FIG. 1;

fig. 6 is a sectional view taken along line C-C of fig. 1.

Description of reference numerals: 1. a support; 2. a clamping assembly; 21. connecting blocks; 22. a jacket; 221. a limiting groove; 3. a limiting component; 31. a limiting block; 311. a groove; 32. a rubber pad; 4. a slipping component; 41. a rotating sheet; 42. a threaded rod; 43. an operating handle; 5. a rotating assembly; 51. a first gear; 52. a second gear; 53. a connecting rod; 6. a fixed block; 61. a dovetail groove; 62. a chute; 63. a second baffle plate; 7. a drive assembly; 71. a third gear; 72. a rack; 721. a first baffle plate; 722. a dovetail block; 8. a positioning assembly; 81. positioning blocks; 82. positioning a screw rod; 83. and (7) inserting holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a clamping tool for welding a valve body. Referring to fig. 1, the clamping tool for welding the valve body comprises a support 1, wherein the support 1 is vertically arranged, and two groups of clamping assemblies 2 used for clamping workpieces are arranged on the support 1.

Referring to fig. 2 and 3, the clamping assembly 2 includes a connecting block 21 and a jacket 22, the connecting block 21 is fixedly connected to the support 1, the connecting block 21 is horizontally disposed, and the two connecting blocks 21 are vertically distributed. The clamping sleeve 22 is vertically arranged, the clamping sleeve 22 is rotatably connected to the connecting block 21, and the limiting assembly 3 for limiting the workpiece is arranged on the clamping sleeve 22.

Referring to fig. 2 and 3, the limiting assembly 3 includes a limiting block 31 and a rubber pad 32, a limiting groove 221 horizontally disposed is formed in the jacket 22, the limiting block 31 slides and is connected in the limiting groove 221 along the horizontal direction, the rubber pad 32 is bonded on the limiting block 31 through glue, and one end of the rubber pad 32 away from the limiting block 31 abuts against a workpiece.

Referring to fig. 3 and 4, a sliding assembly 4 for driving the stopper 31 to slide in the horizontal direction is disposed on the jacket 22, and the sliding assembly 4 includes a threaded rod 42 and a rotating piece 41. Stopper 31 includes two splice pieces, and two splice pieces pass through bolt fixed connection along the horizontal direction, and the one end terminal surface of two splice piece mutual contacts all sets up fluted 311, and recess 311 appearance is semi-circular, and a whole circular slot is made jointly to recess 311 on two splice pieces, and the circular slot is for rotating the groove, and rotor 41 rotates to be connected in rotating the inslot.

Referring to fig. 3 and 4, the threaded rod 42 is coaxially and fixedly connected to the rotating sheet 41, the threaded rod 42 is horizontally arranged, the threaded rod 42 is in threaded connection with the jacket 22, one end of the threaded rod 42, which is far away from the rotating sheet 41, extends out of the jacket 22, and one end of the threaded rod 42, which extends out of the jacket 22, is fixedly connected with an operating handle 43 through a bolt.

Referring to fig. 2 and 5, the connecting block 21 is provided with a rotating assembly 5 for driving the jacket 22 and the workpiece to rotate, and the rotating assembly 5 comprises a first gear 51 and a second gear 52. The first gear 51 is coaxially and fixedly connected to the jacket 22, the second gear 52 is rotatably connected in the connecting block 21, and the first gear 51 is meshed with the second gear 52. The second gear 52 is coaxially and fixedly connected with a connecting rod 53, the connecting rod 53 is vertically arranged, and the connecting rod 53 is rotatably connected with the connecting block 21.

Referring to fig. 2 and 5, the support 1 is fixedly connected with a fixing block 6, the fixing block 6 is horizontally arranged, the fixing block 6 is positioned below the two connecting blocks 21, and the lower end of the connecting rod 53 extends into the fixing block 6. The fixed block 6 is internally provided with a driving component 7 for driving the second gear 52 to rotate.

Referring to fig. 2 and 5, the driving assembly 7 includes a third gear 71 and a rack 72, the third gear 71 is coaxially and fixedly connected to the connecting rod 53, and the third gear 71 is rotatably connected to the inside of the fixed block 6. The rack 72 is slidably connected in the fixed block 6 in the horizontal direction, and the rack 72 is engaged with the third gear 71.

Referring to fig. 2 and 6, the fixed block 6 is provided with a dovetail groove 61 arranged along a horizontal direction, a dovetail block 722 arranged along a length direction of the rack 72 is fixedly connected to the rack 72, and the dovetail block 722 is slidably connected in the dovetail groove 61. The rack 72 is fixedly connected with a first blocking piece 721, the fixed block 6 is provided with a sliding groove 62 which is matched with the first blocking piece 721 in a sliding manner, the end part of the sliding groove 62 is fixedly connected with a second blocking piece 63 through a bolt, and the second blocking piece 63 is connected between the groove bottom of the sliding groove 62 and the second blocking piece 63 in a sliding manner.

Referring to fig. 2 and 5, a positioning assembly 8 for positioning the rack 72 is disposed on the fixing block 6, and the positioning assembly 8 includes a positioning block 81 and a positioning screw 82. The positioning block 81 is fixedly connected to the fixing block 6, the rack 72 is provided with a plurality of insertion holes 83 distributed along the length direction of the rack 72, the positioning screw 82 is in threaded connection with the positioning block 81, and the tail of the positioning screw 82 is in insertion fit with one of the insertion holes 83.

The implementation principle of the clamping tool for valve body welding in the embodiment of the application is as follows:

when a workpiece needs to be welded, the workpiece is connected into the jacket 22, the operating handle 43 is rotated to drive the threaded rod 42 to rotate towards the direction close to the workpiece, the rotating sheet 41 slides towards the direction close to the workpiece along with the threaded rod 42 while rotating, and then the limiting block 31 is driven to slide towards the direction close to the workpiece until the rubber pad 32 is tightly abutted to the workpiece.

The part of the workpiece far away from the support 1 is welded, when the workpiece close to the support 1 needs to be welded, the positioning screw 82 is screwed out of the insertion hole 83, the rack 72 slides to drive the third gear 71, the second gear 52 and the first gear 51 to rotate, the jacket 22 and the workpiece are driven to rotate, after the workpiece is rotated to a proper position, the positioning screw 82 is screwed, and the tail part of the positioning screw 82 is in insertion fit with the insertion hole 83.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a be used for valve body welded centre gripping frock, includes support (1), be provided with centre gripping subassembly (2) that are used for the centre gripping work piece on support (1), its characterized in that: the clamping assembly (2) comprises a connecting block (21) connected to the support (1) and a clamping sleeve (22) used for clamping a workpiece, the clamping sleeve (22) is rotatably connected into the connecting block (21), a rotating assembly (5) used for driving the clamping sleeve (22) to rotate is arranged on the connecting block (21), the rotating assembly (5) comprises a first gear (51) and a second gear (52), the first gear (51) is coaxially and fixedly connected onto the clamping sleeve (22), the second gear (52) is rotatably connected into the connecting block (21), the first gear (51) is meshed with the second gear (52), and a driving assembly (7) used for driving the second gear (52) to rotate is arranged on the support (1).

2. The clamping tool for welding the valve body according to claim 1, wherein the clamping tool comprises: the support (1) is connected with a fixed block (6), the second gear (52) is coaxially connected with a connecting rod (53), the connecting rod (53) is rotatably connected with the connecting block (21), the driving assembly (7) comprises a third gear (71) and a rack (72), the third gear (71) is rotatably connected into the fixed block (6), the third gear (71) is coaxially connected with the connecting rod (53), the rack (72) is connected into the fixed block (6) in a sliding manner, and the third gear (71) is meshed with the rack (72); and a positioning component (8) for positioning the rack (72) is arranged on the fixed block (6).

3. The clamping tool for welding the valve body according to claim 2, wherein the clamping tool comprises: the positioning assembly (8) comprises a positioning block (81) and a positioning screw rod (82), the positioning block (81) is connected to the fixing block (6), a plurality of inserting holes (83) which are matched with the positioning screw rod (82) in an inserting mode are formed in the rack (72), and the positioning screw rod (82) is connected to the positioning block (81) in a threaded mode.

4. The clamping tool for welding the valve body according to claim 2, wherein the clamping tool comprises: the rack (72) is connected with a first blocking piece (721), the fixed block (6) is provided with a sliding chute (62) matched with the blocking piece in a sliding mode, the end portion of the sliding chute (62) is connected with a second blocking piece (63), and the first blocking piece (721) is connected between the chute bottom of the sliding chute (62) and the second blocking piece (63) in a sliding mode.

5. The clamping tool for welding the valve body according to claim 2, wherein the clamping tool comprises: the rack (72) is connected with a dovetail block (722), and the fixed block (6) is provided with a dovetail groove (61) matched with the dovetail block (722) in a sliding manner.

6. The clamping tool for welding the valve body according to claim 1, wherein the clamping tool comprises: the limiting component (3) for limiting the workpiece is arranged on the jacket (22), the limiting component (3) comprises a limiting block (31) connected to the jacket (22) in a sliding mode and a rubber pad (32) connected to the limiting block (31), and the rubber pad (32) is abutted to the workpiece; the clamping sleeve (22) is provided with a sliding component (4) for driving the limiting block (31) to slide.

7. The clamping tool for welding the valve body according to claim 6, wherein the clamping tool comprises: the sliding assembly (4) comprises a threaded rod (42) and a rotating sheet (41), the threaded rod (42) is in threaded connection with the clamping sleeve (22), one end, close to the limiting block (31), of the threaded rod (42) is connected with the rotating sheet (41), a rotating groove in rotating connection with the rotating sheet (41) is formed in the limiting block (31), and one end, far away from the rotating sheet (41), of the threaded rod (42) extends out of the clamping sleeve (22) to be connected with an operating handle (43).

8. The clamping tool for welding the valve body according to claim 7, wherein the clamping tool comprises: the operating handle (43) is connected to the threaded rod (42) through a bolt; the limiting block (31) comprises two splicing blocks fixedly connected through bolts, a groove (311) is formed in the end face of one end, in contact with each other, of each splicing block, and the grooves (311) in the two splicing blocks jointly form a rotating groove.