CN215395346U - Tube drawing pliers is with garrulous core device of quick change - Google Patents
Tube drawing pliers is with garrulous core device of quick change Download PDFInfo
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- CN215395346U CN215395346U CN202121666931.7U CN202121666931U CN215395346U CN 215395346 U CN215395346 U CN 215395346U CN 202121666931 U CN202121666931 U CN 202121666931U CN 215395346 U CN215395346 U CN 215395346U
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Abstract
The utility model is suitable for the technical field of ductile cast iron pipe drawing tongs, and provides a quick-change core breaking device for the pipe drawing tongs, which comprises: the clamp seat is provided with a clamp shaft; one end of the clamp arm is connected with the clamp seat, and the other end of the clamp arm is connected with the clamp head; the driving disc is arranged on the caliper shaft; one end of the driving arm is connected with the driving disc, and the other end of the driving arm is connected with the tong head; the connecting rod is arranged on the clamp arm; the crushed core plates are fixed on the connecting rods through bolts, and the crushed core plates and the connecting rods are positioned through positioning pins; promote the driving-disc through the nipper shaft, rethread actuating arm can drive the nipper arm and open the inner wall contact with the pipe fitting and prop the pipe fitting tight, can scratch the psammitolite of pipe fitting socket end through the shredded core nail, realizes the shredded core function, dismantles bolt and locating pin and can change the shredded core board, and it is fast effectively to have avoided current for the pipe tongs quick change shredded core device wearing and tearing, changes inconvenient problem, and convenient operation safety has improved work efficiency, has guaranteed safe operation.
Description
Technical Field
The utility model belongs to the technical field of ductile cast iron pipe drawing tongs, and particularly relates to a quick-change core breaking device for the pipe drawing tongs.
Background
After the ductile iron pipe is machined and formed, the formed pipe fitting needs to be pulled out from the centrifugal host through pipe pulling pliers, and before the pipe fitting is pulled out, a sand core at the female end of the pipe fitting needs to be crushed.
The existing pipe drawing pliers with certain fixed shapes are used for manufacturing a core breaking device, and the shape of a core breaking plate arranged on the core breaking device is set according to the interface form of a nodular cast iron pipe with the pipe diameter of 300-1000 mm.
However, because the shape of the socket is uneven, the existing quick-change core breaking device for the tube drawing pliers is quick in abrasion, inconvenient to replace and low in working efficiency.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a quick-change core breaking device for tube drawing pliers, and aims to solve the problems that the existing quick-change core breaking device for the tube drawing pliers is quick in abrasion and inconvenient to replace.
The embodiment of the utility model is realized in such a way that the quick-change core breaking device for the tube drawing pliers comprises:
the clamp seat is provided with a clamp shaft;
one end of the clamp arm is connected with the clamp seat, and the other end of the clamp arm is connected with the clamp head;
the driving disc is arranged on the caliper shaft;
one end of the driving arm is connected with the driving disc, and the other end of the driving arm is connected with the tong head;
the connecting rod is arranged on the clamp arm; and
the core crushing plate is fixed on the connecting rod through bolts, and the core crushing plate and the connecting rod are positioned through positioning pins.
Preferably, the connecting rod is provided with a clamping groove for limiting the crushed core plate.
Preferably, the end of the jaw shaft away from the driving disc is provided with a jaw shaft connecting sleeve.
Preferably, the forceps head is provided with a movable groove, and a pipe drawing nail is arranged in the movable groove.
Preferably, the number of the tube drawing nails is multiple and the tube drawing nails are obliquely arranged.
According to the quick-change core breaking device for the tube drawing pliers provided by the embodiment of the utility model, the driving disc is pushed through the pliers shaft, the driving arm can drive the pliers arms to open to contact with the inner wall of the tube to tightly support the tube, the sand core at the socket end of the tube can be scratched through the core breaking nails, the core breaking function is realized, the core breaking plate can be replaced by disassembling the bolts and the positioning pins, the problems that the existing quick-change core breaking device for the tube drawing pliers is fast in abrasion and inconvenient to replace are effectively solved, the operation is convenient and safe, the working efficiency is improved, and the safe operation is ensured.
Drawings
Fig. 1 is a structural diagram of a quick-change core breaking device for a tube drawing pliers according to an embodiment of the present invention.
In the drawings: 1. a clamp base; 2. a clamp shaft; 3. a clamp shaft connecting sleeve; 4. a drive disc; 5. a drive arm; 6. pulling the pipe nail; 7. a binding clip; 8. crushing the core plate; 9. a bolt; 10. positioning pins; 11. a connecting rod; 12. a clamp arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of a quick-change core breaking device for a pair of tube drawing pliers according to an embodiment of the present invention includes:
the clamp seat 1 is provided with a clamp shaft 2;
one end of the forceps arm 12 is connected with the forceps base 1, and the other end of the forceps arm 12 is connected with the forceps head 7;
the driving disc 4 is arranged on the caliper shaft 2;
a driving arm 5, one end of which is connected with the driving disc 4 and the other end is connected with the tong head 7;
a connecting rod 11 mounted on the clamp arm 12; and
the core crushing plate 8 is fixed on the connecting rod 11 through the bolt 9, and the core crushing plate 8 and the connecting rod 11 are positioned through the positioning pin 10.
In one aspect of the present embodiment, the shape of the core crushing plate 8 conforms to the pipe diameter and the interface form of the corresponding specification, so that multiple specifications and multiple forms of core crushing plates 8 are required to be replaced according to production requirements; the connecting rod 11 is provided with a screw hole for installing the crushed core plate 8, a positioning clamping groove and a positioning pin hole.
In practical application, the pipe drawing pliers are driven by the pipe drawing trolley to move towards the female end of a pipe fitting, the pliers seat 1 is moved towards the pliers head 7, the driving disc 4 is pushed by the pliers shaft 2, the driving disc 4 drives the end part of the pliers arm 12 connected with the driving disc to move through the driving arm 5 when moving, so that the pliers arm 12 is opened and contacts with the inner wall of the pipe fitting to support the pipe fitting tightly, the sand core at the female end of the pipe fitting can be scratched through the core breaking plate 8 to realize the core breaking function, and the pipe fitting is drawn out through the pipe drawing trolley; the broken core plates 8 can be replaced by disassembling the bolts 9 and the positioning pins 10, the broken core plates 8 can be replaced after being worn and worn for a long time, and the appropriate broken core plates 8 can also be replaced according to different shapes of the inner wall of the socket.
As shown in fig. 1, as a preferred embodiment of the present invention, the connecting rod 11 is provided with a slot for limiting the crushed core plate 8.
This embodiment is when practical application, because the draw-in groove position of the garrulous core board 8 installation of connecting rod 11 preparation, the effect of 11 strengthening ribs of connecting plate is played in the installation of garrulous core board 8, effectively prevents that connecting rod 11 from warping.
As shown in fig. 1, as a preferred embodiment of the present invention, the end of the caliper spindle 2 away from the driving disc 4 is provided with a caliper spindle connecting sleeve 3.
As shown in FIG. 1, as another preferred embodiment of the present invention, a movable slot is provided on the binding clip 7, and a tube drawing nail 6 is provided in the movable slot.
In one case of the present embodiment, the number of the pipe-drawing nails 6 is plural and each is obliquely arranged.
This embodiment is when practical application, through installing the contact of the female end inner wall of tube drawing nail 6 on binding clip 7 with the pipe fitting and rise tightly, to the whole pulling tube drawing pincers of the direction of pincers seat 1, can extract the pipe fitting from the pipe die, the in-process tube drawing pincers of tube drawing can not break away from with the pipe fitting, have improved tube drawing efficiency.
The quick-change core breaking device for the tube drawing pliers is provided in the embodiment of the utility model, the driving disc 4 is pushed by the pliers shaft 2, the driving arm 5 can drive the pliers arms 12 to open to contact with the inner wall of the tube to tightly support the tube, the sand core at the female end of the tube can be scratched by the core breaking nails 8 to realize the core breaking function, the core breaking plate 8 can be replaced by disassembling the bolts 9 and the positioning pins 10, the problems of quick wear and inconvenient replacement of the existing quick-change core breaking device for the tube drawing pliers are effectively solved, the operation is convenient and safe, the working efficiency is improved, and the safe operation is ensured.
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 (5)
1. A quick-change core breaking device for tube drawing pliers, which is characterized by comprising:
the clamp seat is provided with a clamp shaft;
one end of the clamp arm is connected with the clamp seat, and the other end of the clamp arm is connected with the clamp head;
the driving disc is arranged on the caliper shaft;
one end of the driving arm is connected with the driving disc, and the other end of the driving arm is connected with the tong head;
the connecting rod is arranged on the clamp arm; and
the core crushing plate is fixed on the connecting rod through bolts, and the core crushing plate and the connecting rod are positioned through positioning pins.
2. The quick-change core breaking device for the tube drawing pliers as claimed in claim 1, wherein a slot for limiting the core breaking plate is arranged on the connecting rod.
3. The quick-change core breaking device for the pipe drawing pliers as claimed in claim 1, wherein the end of the jaw shaft far away from the driving disk is provided with a jaw shaft connecting sleeve.
4. The quick-change core breaking device for the tube drawing pliers as claimed in claim 1, wherein the pliers head is provided with a movable groove, and a tube drawing nail is arranged in the movable groove.
5. The quick-change core breaking device for the tube drawing pliers as claimed in claim 4, wherein the tube drawing nails are multiple in number and are all obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121666931.7U CN215395346U (en) | 2021-07-21 | 2021-07-21 | Tube drawing pliers is with garrulous core device of quick change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121666931.7U CN215395346U (en) | 2021-07-21 | 2021-07-21 | Tube drawing pliers is with garrulous core device of quick change |
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| Publication Number | Publication Date |
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| CN215395346U true CN215395346U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121666931.7U Active CN215395346U (en) | 2021-07-21 | 2021-07-21 | Tube drawing pliers is with garrulous core device of quick change |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116673455A (en) * | 2023-08-03 | 2023-09-01 | 江苏日升电力机械有限公司 | Manufacturing equipment and process for double-socket nodular cast iron pipe |
-
2021
- 2021-07-21 CN CN202121666931.7U patent/CN215395346U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116673455A (en) * | 2023-08-03 | 2023-09-01 | 江苏日升电力机械有限公司 | Manufacturing equipment and process for double-socket nodular cast iron pipe |
| CN116673455B (en) * | 2023-08-03 | 2023-10-13 | 江苏日升电力机械有限公司 | Manufacturing equipment and process for double-socket nodular cast iron pipe |
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