CN217776874U

CN217776874U - Mandrel mounting structure of coiling machine

Info

Publication number: CN217776874U
Application number: CN202222099342.6U
Authority: CN
Inventors: 闫宏光; 杨旭波; 王国顺
Original assignee: SMS Engineering China Ltd
Current assignee: SMS Engineering China Ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-11-11
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses a mandrel mounting structure of coiling machine, including main shaft, dabber and extrusion subassembly. The main shaft is a cylinder, a guide rod is detachably mounted on the main shaft, and a screwing piece is screwed on the guide rod. The mandrel is of a circular tube type structure with a guide hole in the axis position, the mandrel is arranged on the periphery of the guide rod through the guide hole, and the inner diameter of the guide hole is smaller than the section diameter of the main shaft. The extrusion assembly is sleeved on the guide rod and is positioned between the end part of the mandrel and the screwing piece. The extrusion subassembly has hydraulic pressure spare and hydraulic pressure spare one end and uses the spiral shell spare to support as the butt, and the other end butt is in the dabber, with the guiding hole and the installation of main shaft interference fit of dabber. The installation is stable safe, and disposable success rate is high, and dismantles the convenience.

Description

Mandrel mounting structure of coiling machine

Technical Field

The utility model relates to a dabber installation field especially is about a dabber mounting structure of coiling machine.

Background

The mandrel and the main shaft of the coiling machine are in interference fit. The existing installation mode is that a guide hole of a mandrel is heated and then is hoisted by a crown block for installation, and due to the fact that the mandrel is heavy, quick alignment installation of the guide hole and a main shaft cannot be accurately achieved when the mandrel is hoisted and dropped.

Because the hoisting time is too long, the cooling of the guide hole of the mandrel is obvious, and in the installation process, the gap cannot be ensured, so that the final installation stage needs to be manually locked and installed by bolts, which wastes time and labor. If the mandrel is slightly inclined at the end of installation, the mandrel needs to be dismantled again, and time and labor are wasted.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mandrel mounting structure of coiling machine, it can effectively alleviate the problem that large-scale dabber and main shaft installation effectiveness are low.

In order to achieve the above object, the utility model provides a mandrel mounting structure of coiling machine, including main shaft, dabber and extrusion subassembly. The main shaft is detachably provided with a guide rod, and the guide rod is provided with a screwing piece in threaded fit with the guide rod. The mandrel is provided with a guide hole; the guide rod is located in the guide hole, and the diameter of the guide hole is smaller than that of the main shaft. The extrusion subassembly is located the dabber is kept away from one side of main shaft, the extrusion subassembly install in on the guide bar just one side of extrusion subassembly with screw a butt, the opposite side with the dabber butt, the extrusion subassembly can provide decurrent pressure and push down the dabber makes the guiding hole of dabber with main shaft interference fit.

In one or more embodiments, the compression assembly includes a hydraulic and upper and lower brackets at both ends of the hydraulic.

In one or more embodiments, the hydraulic member is a hydraulic cylinder.

In one or more embodiments, the upper support plate and the lower support plate are correspondingly arranged, and are respectively provided with an insertion hole, and are movably inserted into the guide rod through the insertion holes.

In one or more embodiments, the area of the lower support plate is larger than the cross-sectional area of the guide hole.

In one or more embodiments, a threaded hole is formed in one end face of the main shaft, the guide rod is a threaded rod, and one end of the threaded rod is in threaded connection with the threaded hole.

In one or more embodiments, the tightening member is a tubular structure with a thread on the inner wall, the tightening member is connected with the guide rod in a threaded manner, and the outer wall of the tightening member is provided with a knob.

In one or more embodiments, the spindle is sleeved with a spindle seat.

In one or more embodiments, a plurality of sets of supporting members are arranged on the side surface of the shaft seat and can abut against one side surface of the mandrel, and the supporting members are hydraulic cylinders.

In one or more embodiments, a top plate is arranged at one end of the guide hole and extends towards the axis of the guide hole, and a through hole movably inserted into the guide rod is formed in the top plate.

Compared with the prior art, according to the utility model discloses a mandrel mounting structure of coiling machine has following advantage:

through installation support piece (pneumatic cylinder) between dabber and main shaft for dabber and main shaft are more stable at interference fit's in-process, improve dabber and main shaft installation complex stability.

The lower supporting plate, the hydraulic part, the upper supporting plate and the screwing part are mutually abutted. Then the drive hydraulic part, the drive pressure that makes the hydraulic part is greater than support pressure of support piece to make the hydraulic part under the promotion extension board establish with the spindle cover with the main shaft in, realize the interference fit of dabber and main shaft, this process operation is stable, has improved dabber and main shaft installation cooperation accuracy. Compared with the interference installation of the mandrel and the main shaft by adopting large-scale hoisting equipment, the application improves the installation efficiency and reduces the installation cost.

Under the condition that the telescopic range of the hydraulic part is limited, the interference fit range of the mandrel and the spindle is larger than the telescopic range of the hydraulic part. After the dabber moves a section distance, the accessible releases hydraulic pressure power, retracts the telescopic link of hydraulic pressure spare to minimum range by the biggest range, and it makes the lower extension board of upper bracket be close to twist the piece of screwing this moment, then exert hydraulic pressure power to hydraulic pressure spare again and make the telescopic link stretch out the butt dabber and continue the interference cover to establish in the main shaft, so reciprocal until suitable position, the interference installation is carried out to the mode step by step like this, can satisfy the installation cooperation between a large amount of journey dabber and main shaft.

Drawings

Fig. 1 is a schematic structural view of a spindle mounting structure of a reel-up according to an embodiment of the present invention.

Description of the main reference numerals:

1. a main shaft; 11. a guide bar; 12. a tightening member; 121. rotating a handle; 13. a support member; 14. a shaft seat; 2. a mandrel; 21. a guide hole; 22. a top plate; 3. an extrusion assembly; 31. a lower support plate; 32. a hydraulic part; 33. and (4) an upper support plate.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1, a mandrel mounting structure of a winding machine according to an embodiment of the present invention includes a main shaft 1, a mandrel 2, and a pressing assembly 3. The main shaft 1 is a cylinder, a guide rod 11 is detachably mounted on the main shaft 1, and a screwing piece 12 is screwed on the guide rod 11. The mandrel 2 is provided with a guide hole 21 at the position of an axis, the guide hole 21 is of a circular tube type structure, one end of the guide hole 21 extends to the axis of the guide hole 21 to form a top plate 22, a through hole movably inserted with the guide rod 11 is formed in the top plate 22, the mandrel 2 is sleeved on the guide rod 11 through the through hole guide hole 21, and the inner diameter of the guide hole 21 is slightly smaller than the section diameter of the spindle 1. The extrusion assembly 3 is sleeved on the guide rod 11 and is positioned between the end of the mandrel 2 and the tightening part 12. The extrusion assembly 3 has a hydraulic part 32, one end of the hydraulic part 32 is supported by the fastening part 12, the other end is abutted against the mandrel 2, and the guide hole 21 of the mandrel 2 is installed in interference fit with the main shaft 1. The installation is stable safe, and one-time success rate is high.

Specifically, as shown in fig. 1, in one embodiment, the compression assembly 3 further includes an upper support plate 33 and a lower support plate 31. The upper and

lower plates

33, 31 may be circular plates or other shaped plate-type structures. The purpose of the upper support plate 33 is to increase the contact area with the hydraulic member 32, so that the upper support plate 33 is in contact with and abuts against the tightening member 12 to provide support for the hydraulic member 32. The area of the lower support plate 31 is larger than the cross-sectional area of the guide hole 21, so that the telescopic end of the hydraulic part 32 can have a supporting point, and the hydraulic part 32 can apply pressure to the mandrel 2. In one embodiment, hydraulic member 32 may be a hydraulic cylinder.

In one embodiment, the upper support plate 33 and the lower support plate 31 are disposed correspondingly, and are respectively provided with a socket. The diameter of the insertion hole is slightly larger than that of the guide rod 11, so that the upper support plate 33 and the lower support plate 31 are movably connected with the guide rod 11 through the insertion hole, and the upper support plate 33 and the lower support plate 31 are not influenced by the friction force of the guide rod 11 when the position is adjusted.

In the operation process of the mandrel installation structure of the recoiling machine, because the telescopic range of the hydraulic part 32 is limited, when the interference fit range of the mandrel 2 and the spindle 1 is larger than the telescopic range of the hydraulic part 32, after the mandrel 2 runs for a certain distance, hydraulic pressure can be released through releasing, the telescopic rod of the hydraulic part 32 is retracted to the minimum range from the maximum range, at the moment, the screwing piece 12 is screwed to enable the upper support plate 33 to approach the lower support plate 31, then hydraulic pressure is applied to the hydraulic part 32 to enable the telescopic rod to stretch out to abut against the mandrel 2 to continue to be sleeved in the spindle 1 in an interference mode, and the operation is repeated until a proper position is reached.

The surface of the main shaft 1 is provided with a threaded hole, the guide rod 11 can be a threaded rod, and one end of the guide rod 11 is in threaded connection with the threaded hole. When the upper support plate 33 is supported by the screwing piece 12, the main shaft 1 can provide stable supporting force for the guide rod 11 and the screwing piece 12 on the guide rod 11, so that the bottom of the hydraulic piece 32 is kept still, and the telescopic end of the hydraulic piece 32 realizes interference fit of the guide hole 21 of the mandrel 2 and the main shaft 1 through the lower support plate 31.

The tightening member 12 may be a tubular structure having a screw thread on an inner wall thereof, and the tightening member 12 is screw-coupled to the guide bar 11. In order to facilitate the rotation of the tightening member 12, a knob 121 is provided on the outer wall of the tightening member 12.

In order to support the mandrel 2 to be capable of keeping a vertical state and being sleeved with the main shaft 1 in an interference manner, a shaft seat 14 is sleeved on the periphery of the main shaft 1, a support piece 13 is arranged on the side face, close to the mandrel 2, of the shaft seat 14, a plurality of groups of support pieces 13 are arranged on the side face of the shaft seat 14, and the plurality of groups of support pieces 13 contract synchronously. For example, the support 13 may be a hydraulic cylinder. In the specific operation process, the propelling pressure of the hydraulic part 32 is greater than the supporting pressure of the supporting part 13, so that the mandrel 2 can be stably propelled, and meanwhile, the hydraulic part 32 can resist the supporting force of the supporting part 13, and the mandrel 2 is continuously sleeved and propelled close to the main shaft 1.

The utility model discloses a batch core shaft installation component, its working process as follows:

the support 13 is first placed at the end face of the spindle 1 and then the support pressure of the support 13 is adjusted to be greater than the weight of the spindle 2, and then the guide rod 11 is mounted on the spindle 1 in correspondence with the threaded hole on the spindle 1. Then, the mandrel 2 is lifted, the mandrel 2 is placed above the main shaft 1 by taking the support piece 13 as a support corresponding to the guide hole 21, then the lower support plate 31 is placed on the mandrel 2 through the guide rod 11 corresponding to the guide hole 21, and the hydraulic piece 32 is placed on the lower support plate 31. The upper support plate 33 is placed above the hydraulic member 32 through the guide rod 11, and then the tightening member 12 is screwed into the guide rod 11, and the tightening member 12 is continuously screwed until the lower support plate 31, the hydraulic member 32, the upper support plate 33 and the tightening member 12 abut against each other. Then, the hydraulic part 32 is driven, so that the driving pressure of the hydraulic part 32 is greater than the supporting pressure of the supporting part 13, the hydraulic part 32 pushes the lower supporting plate 31 to sleeve the mandrel 2 in the spindle 1, the interference fit between the mandrel 2 and the spindle 1 is realized, and finally the guide rod 11 is detached.

If the length of the interference fit between the mandrel 2 and the main shaft 1 is long, and the expansion amount of the hydraulic part 32 cannot meet the length of the interference fit between the mandrel 2 and the main shaft 1. The telescopic rod of the hydraulic part 32 can be retracted from the maximum range to the minimum range by releasing the hydraulic pressure, and then the tightening part 12 is screwed to make the upper support plate 33 approach the lower support plate 31, so that the lower support plate 31, the hydraulic part 32, the upper support plate 33 and the tightening part 12 are abutted again. Then hydraulic pressure force is applied to the hydraulic part 32 again to enable the telescopic rod to extend out to abut against the mandrel 2 and continue to be sleeved in the main shaft 1 in an interference mode, the reciprocating operation is carried out until the telescopic rod reaches a proper position, and finally the guide rod 11 is detached again.

When the mandrel 2 needs to be detached from the main shaft 1, firstly, the guide rod 11 penetrates through the through hole and is screwed and fixed on the main shaft 1, so that the guide rod 11 is movably inserted into the through hole in the top plate 22 to support the main shaft 1. Then, under the jacking action of the support parts 13 (synchronous jacking of a plurality of support parts 13), the mandrel 2 is detached and separated from the main shaft 1.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A mandrel mounting structure of a coiler, comprising:

the main shaft is detachably provided with a guide rod, and a tightening piece in threaded fit with the guide rod is arranged on the guide rod;

a mandrel having a guide hole; the guide rod is positioned in the guide hole, and the diameter of the guide hole is smaller than that of the main shaft; and

the extrusion subassembly is located the spindle is kept away from one side of main shaft, the extrusion subassembly install in on the guide bar just one side of extrusion subassembly with a butt of screwing, the opposite side with the dabber butt, the extrusion subassembly can provide decurrent pressure and push down the dabber makes the guiding hole of dabber with main shaft interference installation.

2. The mandrel mounting structure of a coiler of claim 1 wherein said extrusion assembly comprises a hydraulic member and upper and lower support plates at opposite ends of the hydraulic member.

3. A mandrel mounting structure of a reel-up as claimed in claim 2, wherein said hydraulic member is a hydraulic cylinder.

4. The mandrel installation structure of a coiler according to claim 3, wherein said upper support plate and said lower support plate are correspondingly provided with insertion holes, and are movably inserted into said guide bar through said insertion holes.

5. The mandrel mounting structure of a winding machine according to claim 3, wherein said lower support plate has an area larger than a sectional area of said guide hole.

6. The mandrel installation structure of a coiler according to claim 1, wherein a threaded hole is formed in one end surface of said main shaft, said guide rod is a threaded rod, and one end of said threaded rod is threadedly coupled to said threaded hole.

7. The mandrel installation structure of a winding machine according to claim 1, wherein said tightening member is a tubular structure having a thread formed on an inner wall thereof, said tightening member is threadedly coupled to said guide bar, and a knob is formed on an outer wall of said tightening member.

8. The mandrel mounting structure of a coiler according to claim 1, wherein said spindle is peripherally fitted with a shaft seat.

9. The mandrel installation structure of a coiler according to claim 8, wherein said shaft seat is provided at a side thereof with a plurality of sets of supports which are hydraulic cylinders and which can abut against a side of said mandrel.

10. The mandrel installation structure of a recoiling machine as claimed in claim 9, wherein one end of the guide hole is extended to the axis of the guide hole and is provided with a top plate, and the top plate is provided with a through hole movably inserted with the guide rod.