CN216227641U

CN216227641U - Seam pressing tool

Info

Publication number: CN216227641U
Application number: CN202122263892.2U
Authority: CN
Inventors: 王晓龙; 梁涛; 景朝; 李喜旺
Original assignee: CRRC Shijiazhuang Co Ltd
Current assignee: CRRC Shijiazhuang Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-08
Anticipated expiration: 2031-09-17

Abstract

The utility model provides a seam pressing tool which comprises a supporting assembly, at least three wheel bodies, a compression screw, two sleeves, two sliding rods, two hook heads and two locking nuts, wherein the supporting assembly is provided with a plurality of threaded holes and two strip grooves; the wheel body is connected with the supporting component; a compression screw is arranged in each threaded hole, and the lower end of each compression screw extends out of the support component; the two sleeves are respectively arranged above the long grooves in a one-to-one correspondence mode, and the diameter of each sleeve is larger than the width of each long groove; the two sliding rods are inserted into the sleeve in a one-to-one correspondence manner, external threads are arranged at the upper parts of the sliding rods, and the lower ends of the sliding rods penetrate through the strip grooves; the lower end of each sliding rod is provided with a hook head; and the locking nut is in threaded connection with the upper part of the sliding rod and is used for pressing and fixing the sleeve on the supporting component and fixing the sliding rod. The joint pressing tool provided by the utility model can be used for finishing the flattening operation by a single person, so that the labor force is saved, the labor intensity is reduced, and the operation risk is reduced.

Description

Seam pressing tool

Technical Field

The utility model belongs to the technical field of welding tools, and particularly relates to a seam pressing tool.

Background

In the production process of the transport vehicle, an additional plate needs to be welded on a vehicle bottom plate, or an upper cover plate and a lower cover plate need to be welded on a vehicle center sill. The upper cover plate and the lower cover plate or the additional floor of the middle beam are large in length, the workpieces are bent and deformed, when the upper cover plate and the lower cover plate or the additional floor are assembled with the corresponding workpieces, gaps between the upper cover plate and the corresponding workpieces are large, the workpieces cannot be directly welded, and welding is performed after the upper cover plate and the lower cover plate or the additional floor are pressed and attached. Take the attachment plate welding as an example, all be equipped with rectangular hole on attachment plate and the bottom plate, after the attachment plate assembles with the bottom plate of vehicle, operating personnel passes the hook body rectangular hole on attachment plate and the bottom plate, then carries out the hook through the hook body and draws the back from the bottom plate below, and the rethread crow bar is applyed external force and is compressed tightly from the attachment plate top, and the hook is drawn and is compressed tightly mutually to cooperate and make attachment plate and bottom plate close to paste, carries out the tack welding at last again. By the method, the operation is finished by depending on more manpower, the labor intensity is high, and the crowbar sometimes slips to injure an operator by mistake, so that the danger is high.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a seam pressing tool, and aims to solve the problems that the existing seam pressing operation needs to be finished by more manpower, the labor intensity is high, a crowbar slips sometimes, an operator is accidentally injured, and the danger is high.

In order to achieve the purpose, the utility model adopts the technical scheme that: the seam pressing tool comprises a supporting assembly, at least three wheel bodies, a compression screw, two sleeves, two sliding rods, two hook heads and two locking nuts, wherein the supporting assembly is provided with a plurality of threaded holes and two long grooves; the wheel body is connected with the supporting component; a compression screw is arranged in each threaded hole, and the lower end of each compression screw extends out of the support component; the two sleeves are respectively arranged above the long grooves in a one-to-one correspondence mode, and the diameter of each sleeve is larger than the width of each long groove; the two sliding rods are inserted into the sleeve in a one-to-one correspondence manner, external threads are arranged at the upper parts of the sliding rods, and the lower ends of the sliding rods penetrate through the strip grooves; the lower end of each sliding rod is provided with a hook head; and the locking nut is in threaded connection with the upper part of the sliding rod and is used for pressing and fixing the sleeve on the supporting component and fixing the sliding rod.

In one possible implementation, the lower end of the hold-down screw is provided with a pressure head, the diameter of which is greater than the diameter of the hold-down screw.

In one possible implementation, the upper end of the hold-down screw is provided with a tip.

In one possible implementation, the tip is provided with a socket.

In a possible implementation manner, the number of the threaded holes is two, the two threaded holes are arranged at intervals along the length direction of the supporting component, and the two strip grooves respectively support two end portions of the supporting component and are located on the outer sides of the two threaded holes.

In a possible implementation manner, the lower end of the sleeve is provided with a limiting ring, the diameter of an inner hole of the limiting ring is the same as that of the inner hole of the sleeve, the outer diameter of the limiting ring is larger than that of the sleeve, and the limiting ring is coaxial with the sleeve.

In a possible implementation manner, the number of the wheel bodies is four, two supports are respectively arranged on two sides of the supporting assembly, the four supports are symmetrical in pairs, and one wheel body is rotatably arranged on each support.

In a possible implementation mode, the supporting assembly comprises a supporting plate, two sliding plates and a pushing structure, the wheel body is connected with the supporting plate, two ends of the supporting plate are respectively provided with a U-shaped groove, the supporting plate is provided with a sliding groove, and the length direction of the U-shaped groove is parallel to the length direction of the sliding groove; the two sliding plates are slidably arranged in the sliding grooves, each sliding plate is provided with a threaded hole, the threaded holes correspond to the U-shaped grooves one by one, and the lower ends of the compression screws extend out of the supporting plates from the U-shaped grooves; the ejection structure is located the backup pad, and links to each other with two slides, and the ejection structure is used for ejecting two slides synchronous looks or back of the body slip.

In a possible implementation mode, the pushing structure is a rotating screw rod, the rotating screw rod is rotatably arranged on the supporting plate, the middle part of the rotating screw rod is connected with the supporting plate, threads with opposite rotating directions are arranged at two ends of the rotating screw rod, rotating threaded holes matched with the two ends of the rotating screw rod are correspondingly arranged on the two sliding plates respectively, and the two ends of the rotating screw rod are in threaded connection with the two sliding plates respectively.

In one possible implementation, a belt pulley is arranged on each of the two compression screws, and the belt pulleys are connected through a belt transmission.

Compared with the prior art, the support component is provided with a plurality of threaded holes and two long grooves; the upper portion of each long groove is provided with a sleeve, a sliding rod is inserted into each sleeve, the upper portion of each sliding rod is in threaded connection with a locking nut, the lower end of each sliding rod is provided with a hook head, the hook heads on the two sliding rods respectively extend into two holes of an assembly part to be welded, the assembly part to be welded is hooked from the lower portion or the two sides of the assembly part to be welded are hooked into the lower portion of the assembly part to be welded, then the sliding rods are grabbed, the locking nuts are rotated, the locking nuts are pressed on the upper end faces of the sleeves, the sleeves are pressed on a supporting component, and meanwhile the sliding rods are also fixed. A compression screw is arranged in each threaded hole in the supporting component, the compression screws are rotated to compress the assembly parts to be welded from the upper side, and the screw is matched with the hook head to flatten the assembly parts to be welded. After spot welding is finished, the seam pressing tool moves along the length direction of the assembly part to be welded through the wheel body, and the next place is flattened and welded. The joint pressing tool can finish the flattening operation by a single person, thereby saving the labor force, reducing the labor intensity and reducing the operation risk.

Drawings

Fig. 1 is a schematic view of a caulking tool provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of another angle of the caulking tool provided by the embodiment of the utility model;

fig. 3 is a schematic view of a caulking tool according to another embodiment of the present invention.

Description of reference numerals:

1. a support plate; 2. a wheel body; 3. a pressure head; 4. a slide plate; 5. a tip; 6. a jack; 7. a compression screw; 8. rotating the screw; 9. rotating the head; 10. locking the nut; 11. a slide bar; 12. a sleeve; 13. a long groove; 14. a limiting ring; 15. a hook head; 16. a U-shaped groove; 17. a belt pulley; 18. a belt.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and fig. 2 together, the seam pressing tool provided by the present invention will now be described. The seam pressing tool comprises a supporting assembly, at least three wheel bodies 2, a compression screw 7, two sleeves 12, two sliding rods 11, two hook heads 15 and two locking nuts 10, wherein the supporting assembly is provided with a plurality of threaded holes and two long grooves 13; the wheel body 2 is connected with the supporting component; a compression screw 7 is arranged in each threaded hole, and the lower end of each compression screw 7 extends out of the support component; the two sleeves 12 are respectively arranged above the long grooves 13 in a one-to-one correspondence mode, and the diameter of each sleeve 12 is larger than the width of each long groove 13; the two sliding rods 11 are inserted into the sleeves 12 in a one-to-one correspondence manner, external threads are arranged at the upper parts of the sliding rods 11, and the lower ends of the sliding rods 11 penetrate through the strip grooves 13; the lower end of each sliding rod 11 is provided with a hook head 15; a lock nut 10 is threadedly coupled to an upper portion of the ram 11, the lock nut 10 serving to press-fix the sleeve 12 to the support assembly and fix the ram 11.

Compared with the prior art, the seam pressing tool provided by the embodiment is characterized in that the supporting component is provided with a plurality of threaded holes and two long grooves 13; a sleeve 12 is arranged above each long groove 13, a sliding rod 11 is inserted in each sleeve 12, the upper part of each sliding rod 11 is in threaded connection with a lock nut 10, the lower end of each sliding rod 11 is provided with a hook head 15, the hook heads 15 on the two sliding rods 11 respectively extend into two holes of an assembly to be welded, the assembly to be welded is hooked from the lower part or hooked from two sides of the assembly to be welded to the lower part, then the sliding rods 11 are grabbed, the lock nuts 10 are rotated, the lock nuts 10 are pressed on the upper end face of the sleeve 12, the sleeve 12 is pressed on a supporting component, and meanwhile, the sliding rods 11 are also fixed. A compression screw 7 is arranged in each threaded hole in the supporting component, the compression screw 7 is rotated to compress the assembly parts to be welded from the upper part, and the screw is matched with the hook head 15 to flatten the assembly parts to be welded. After spot welding is finished, the seam pressing tool moves along the length direction of the assembly part to be welded through the wheel body 2, and the next place is flattened and welded. The joint pressing tool can finish the flattening operation by a single person, thereby saving the labor force, reducing the labor intensity and reducing the operation risk.

Taking the example of welding the additional plate with the bottom plate, the additional plate is placed on the bottom plate to form an assembly to be welded. Firstly, the seam pressing tool is placed on an additional plate, a sliding rod 11 is held, a lock nut 10 is rotated upwards, the sliding rod 11 can slide downwards along a sleeve 12, a hook head 15 sequentially penetrates through the additional plate and holes in a vehicle bottom plate, the positions of the sliding rod 11 and the sleeve 12 are moved along a long strip groove 13, the hook head 15 is inserted into the lower portion of the bottom plate, then the sliding rod 11 is pulled upwards, the hook head 15 hooks the bottom plate from the lower portion of the bottom plate, the sliding rod 11 is held again, the lock nut 10 is rotated, the lock nut 10 is pressed on the upper end face of the sleeve 12, the sleeve 12 is pressed against a supporting component, and the sleeve 12 and the sliding rod 11 are fixed. Secondly, the screw rod is rotated, so that the additional plate is pressed by the pressing screw rod 7 from the upper part of the additional plate, and the hook head 15 is matched with the pressing screw rod 7 so that the additional plate is tightly attached to the bottom plate.

In some embodiments, referring to fig. 1, the lower end of the hold-down screw 7 is provided with a ram 3, the diameter of the ram 3 being greater than the diameter of the hold-down screw 7.

In this embodiment, the diameter of pressure head 3 is greater than the diameter of compression screw 7, adds pressure head 3 and has increased and wait to weld the area of contact of built-up member, improves the effect of flattening of treating the built-up member of welding.

In some possible implementations, see fig. 1, the upper end of the compression screw 7 is provided with a head 5.

In this embodiment, operating personnel passes through end 5 and rotates compression screw 7, and the diameter of end 5 is greater than compression screw 7's diameter for it is more convenient to rotate.

In some embodiments, referring to fig. 1, a plug 6 is provided on the tip 5.

In this embodiment, be equipped with jack 6 on the end 5, can insert in the jack 6 and establish the member, rotate compression screw 7 through the member, it is more laborsaving. The tool can also be transported in a hanging way through the jack 6.

In some embodiments, referring to fig. 1 and 2, there are two threaded holes, two threaded holes are disposed at intervals along the length direction of the supporting component, and two elongated slots 13 respectively support two ends of the supporting component and are located outside the two threaded holes.

In this embodiment, the long groove 13, the threaded hole, and the long groove 13 are sequentially arranged along the length direction of the support member. The longitudinal direction of the elongated slot 13 is parallel to the longitudinal direction of the support member. The ram 11 and sleeve 12 are movable along the length of the elongate channel 13 and when the ram 11 is moved into position, the lock nut 10 is rotated and the lock nut 10 secures the sleeve 12. Two threaded holes are formed between the two long grooves 13, a compression screw 7 is arranged in each threaded hole, and the assembly parts to be welded are compressed from the middle.

In some embodiments, referring to fig. 1, the lower end of the sleeve 12 is provided with a stop collar 14, the inner bore of the stop collar 14 has the same diameter as the inner bore of the sleeve 12, the outer diameter of the stop collar 14 is larger than the outer diameter of the sleeve 12, and the stop collar 14 is coaxial with the sleeve 12.

In this embodiment, the sleeve 12 is placed on the surface of the elongated groove 13 through the limiting ring 14, and the limiting ring 14 can limit the sleeve 12 from sliding into the elongated groove 13.

In some embodiments, referring to fig. 1, the number of the wheel bodies 2 is four, two brackets are respectively arranged on two sides of the supporting assembly, the four brackets are symmetrical in pairs, and one wheel body 2 is rotatably arranged on each bracket.

In the embodiment, the four wheel bodies 2 are symmetrically arranged two by two, so that the seam pressing tool disclosed by the utility model can move more stably.

In some embodiments, referring to fig. 1 and 2, the supporting assembly includes a supporting plate 1, two sliding plates 4, and a pushing structure, the wheel body 2 is connected to the supporting plate 1, two ends of the supporting plate 1 are respectively provided with a U-shaped groove 16, the supporting plate 1 is provided with a sliding groove, and a length direction of the U-shaped groove 16 is parallel to a length direction of the sliding groove; the two sliding plates 4 are slidably arranged in the sliding grooves, each sliding plate 4 is provided with a threaded hole, the threaded holes correspond to the U-shaped grooves 16 one by one, and the lower ends of the compression screws 7 extend out of the supporting plate 1 from the U-shaped grooves 16; the ejection structure is located the backup pad 1, and links to each other with two slide 4, and the ejection structure is used for two slide 4 synchronous facies of ejection or back of the body slip.

In this embodiment, two ends of the supporting plate 1 are respectively provided with a U-shaped groove 16, the supporting plate 1 is provided with a sliding groove, the two sliding plates 4 are slidably arranged in the sliding groove, and the two sliding plates 4 synchronously move relative to each other or move back to back through the pushing structure. Because the U-shaped groove 16 is opposite to the threaded hole, when the sliding plate 4 moves along the sliding groove, the compression screw 7 slides along the length direction of the U-shaped groove 16, so that the compression screw 7 can always penetrate through the U-shaped groove 16 and extend into the lower part of the support plate 1.

In some embodiments, referring to fig. 1 and fig. 2, the pushing structure is a rotating screw rod 8, the rotating screw rod 8 is rotatably disposed on the support plate 1, the middle portion of the rotating screw rod 8 is connected to the support plate 1, opposite-rotation-direction threads are disposed at two ends of the rotating screw rod 8, rotating threaded holes adapted to two ends of the rotating screw rod 8 are correspondingly disposed on the two sliding plates 4, and two ends of the rotating screw rod 8 are respectively in threaded connection with the two sliding plates 4.

In this embodiment, the middle part of the rotating screw 8 is provided with a rotating head 9, the rotating screw 8 is rotatably connected with the supporting plate 1 through the rotating head 9, and the rotating screw 8 has a degree of freedom rotating around its axis. The two ends of the rotating screw rod 8 are provided with threads with opposite rotating directions, and the two sliding plates 4 are respectively and correspondingly provided with rotating threaded holes matched with the two ends of the rotating screw rod 8. The two sliding plates 4 can be controlled to move towards or away from each other synchronously by rotating the rotating screw 8. The two sliding plates 4 are additionally arranged, so that the seam pressing tool can press seams of assemblies to be welded with different widths by adjusting the positions of the sliding plates 4.

In some embodiments, referring to fig. 3, a pulley 17 is provided on each of the two compression screws 7, and the pulleys 17 are drivingly connected by a belt 18.

In this embodiment, two compression screws 7 are provided with a belt pulley 17, and the belt pulleys 17 are in transmission connection through a belt 18, so that one compression screw 7 can be rotated to drive the other compression screw 7 to move up and down, and the two compression screws 7 can be synchronously compressed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a seam frock, its characterized in that includes:

the supporting component is provided with a plurality of threaded holes and two long grooves;

at least three wheels connected with the supporting component;

the compression screw is arranged in each threaded hole, and the lower end of the compression screw extends out of the support component;

the two sleeves are respectively arranged above the long grooves in a one-to-one correspondence mode, and the diameters of the sleeves are larger than the widths of the long grooves;

the two sliding rods are inserted into the sleeves in a one-to-one correspondence mode, external threads are arranged on the upper portions of the sliding rods, and the lower ends of the sliding rods penetrate through the long strip grooves;

the lower end of each sliding rod is provided with one hook head; and

the two locking nuts are in threaded connection with the upper parts of the sliding rods, one locking nut is arranged on each sliding rod, and the locking nuts are used for pressing and fixing the sleeves on the supporting components and fixing the sliding rods.

2. The caulking tool according to claim 1, wherein a pressing head is arranged at the lower end of the pressing screw, and the diameter of the pressing head is larger than that of the pressing screw.

3. The caulking tool according to claim 1, wherein an end is arranged at the upper end of the compression screw rod.

4. The caulking tool according to claim 3, wherein a jack is arranged on the end head.

5. The seam pressing tool according to claim 1, wherein the number of the threaded holes is two, the two threaded holes are arranged at intervals along the length direction of the supporting component, and the two elongated grooves are respectively arranged at two ends of the supporting component and are located on the outer sides of the two threaded holes.

6. The seam pressing tool according to claim 1, wherein a limiting ring is arranged at the lower end of the sleeve, the diameter of an inner hole of the limiting ring is the same as that of the inner hole of the sleeve, the outer diameter of the limiting ring is larger than that of the sleeve, and the limiting ring is coaxial with the sleeve.

7. The seam pressing tool according to claim 1, wherein the number of the wheel bodies is four, two supports are arranged on two sides of the supporting assembly respectively, the four supports are symmetrical in pairs, and one wheel body is rotatably arranged on each support.

8. The seam pressing tool according to claim 1, wherein the support assembly comprises:

the wheel body is connected with the supporting plate, two ends of the supporting plate are respectively provided with a U-shaped groove, the supporting plate is provided with a sliding groove, and the length direction of the U-shaped groove is parallel to the length direction of the sliding groove;

the two sliding plates are slidably arranged in the sliding grooves, each sliding plate is provided with one threaded hole, the threaded holes correspond to the U-shaped grooves one by one, and the lower ends of the compression screws extend out of the supporting plate from the U-shaped grooves;

and the pushing structure is positioned on the supporting plate and is connected with the two sliding plates, and the pushing structure is used for pushing the two sliding plates to synchronously slide in the opposite directions or back to back.

9. The seam pressing tool according to claim 8, wherein the pushing structure is a rotary screw, the support plate is rotatably provided with the rotary screw, the middle part of the rotary screw is connected with the support plate, two ends of the rotary screw are provided with threads with opposite rotation directions, two sliding plates are correspondingly provided with rotary threaded holes matched with the two ends of the rotary screw, and the two ends of the rotary screw are respectively in threaded connection with the two sliding plates.

10. The seam pressing tool according to claim 5, wherein a belt pulley is arranged on each of the two pressing screws, and the belt pulleys are connected through a belt in a transmission manner.