CN111761129B

CN111761129B - Noise reduction device and steel pipe cutting device applying same

Info

Publication number: CN111761129B
Application number: CN202010634018.2A
Authority: CN
Inventors: 张鑫
Original assignee: Tianjin Renheju Technology Development Co ltd
Current assignee: Tianjin Renheju Technology Development Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2023-02-03
Anticipated expiration: 2040-07-02
Also published as: CN111761129A

Abstract

The invention discloses a noise reduction device and a steel pipe cutting device applying the same, and relates to the technical field of steel pipe machining equipment. The noise reduction device comprises a sound-proof shield arranged along the feeding direction of a steel pipe, wherein a cutting inlet and a cutting outlet are respectively arranged on two sides of the sound-proof shield in the length direction; the sound-proof housing becomes the folded form structure on steel pipe feed direction, and the inside support chassis that plays supporting role that is equipped with of sound-proof housing. A steel pipe cutting device comprises a rack fixedly arranged inside a sound-proof shield, wherein a supporting slide rail extending along the direction of a connecting line of a cutting inlet and a cutting outlet is fixed on the upper side of the rack, and a cutting assembly is arranged on the supporting slide rail in a sliding manner. The invention provides a noise reduction device and a steel pipe cutting device using the same, which are convenient to operate, stable in work, capable of fully reducing noise, applicable to pipes, small in occupied area and beneficial to reducing the production cost.

Description

Noise reduction device and steel pipe cutting device applying same

Technical Field

The invention relates to the technical field of steel pipe processing equipment, in particular to a noise reduction device and a steel pipe cutting device using the same.

Background

The steel pipe sawing is equipment required in a fixed-length sawing process after steel pipe forming and welding, generally is the last process of a welded pipe machining process, a straight welded pipe is sawed, the straight welded pipe is commonly called an ERW welded pipe production line, a cutter used for sawing is usually a high-speed steel saw blade or a saw blade with embedded teeth, and the efficiency of the steel pipe flying saw for cutting the straight welded pipe is high under the condition that a motion control system and the parameter proportion of the saw blade are reasonable.

The prior utility model with the grant publication number of CN208866496U discloses a steel pipe flying saw with a brake device, which comprises a guide rail, a moving trolley, a front end pressing device, a rear end pressing device, a driving motor, a reducer, a saw disc shield and a saw disc; the moving trolley is arranged on the guide rail in a rolling mode, the front end pressing device and the rear end pressing device are arranged at the front end portion and the rear end portion of the moving trolley respectively, the driving motor, the speed reducer and the saw disc protective cover are sequentially and fixedly arranged in the middle of the moving trolley, the driving motor is in transmission connection with the speed reducer, and the saw disc is fixedly arranged on an output shaft of the speed reducer.

By adopting the technical scheme, when the steel pipe continuously feeds on the production line, the moving trolley can synchronously move along with the steel pipe, the driving motor drives the saw disc to rotate through the speed reducer, and the steel pipe is automatically cut. Although this scheme can realize the steel pipe cutting, but the easy noise that produces of steel pipe cutting in-process, especially in daily production, this kind of noise is continuous, can seriously influence staff's healthy, indirect influence work efficiency. Aiming at the problem, the current common noise reduction mode is to build a sound insulation room and arrange the whole equipment in the sound insulation room; so, though can solve the problem of noise, nevertheless the room that gives sound insulation not only the cost is not very, and shared factory building area is great moreover, leads to manufacturing cost to improve by a wide margin.

Disclosure of Invention

One of the purposes of the invention is to provide a noise reduction device, which utilizes a folding type sound-proof shield to cover a steel pipe cutting device, saves the space of a factory building, realizes noise reduction and indirectly reduces the production cost.

The technical purpose of the invention is realized by the following technical scheme:

a noise reduction device comprises a sound-proof shield arranged along the feeding direction of a steel pipe, wherein a cutting inlet and a cutting outlet are respectively arranged on two sides of the sound-proof shield in the length direction; the sound-proof housing becomes the folded form structure on the steel pipe direction of feed, just inside the being equipped with of sound-proof housing plays the supporting role's support chassis.

By adopting the technical scheme, the cutting equipment can be integrally covered by the sound-proof cover in a factory building so as to achieve the purpose of noise reduction and ensure the health of field workers; simultaneously, set the sound-proof housing to the structure of folded form, not only can further promote the noise reduction effect, still make the length of sound-proof housing adjust in real time according to the length of the steel pipe of processing, save the factory building space, reduction in production cost.

The invention is further configured to: the supporting framework comprises a plurality of door-shaped supporting frames which are arranged at intervals along the feeding direction of the steel pipe; the supporting frame close to the cutting inlet is a fixed supporting frame, and the rest supporting frames are movable supporting frames; the bottom of the fixed support frame is detachably fixed with the ground; the both ends rigid coupling of activity support frame all has the sliding block, is fixed with on the ground to extend along steel pipe direction of feed and with sliding block sliding fit's fixed guide.

Through adopting above-mentioned technical scheme, when the movable support frame passes through the sliding block and when sliding motion on fixed guide, each movable support frame can drive the whole folding shrink of sound-proof housing or extend to effectively adjust the length of sound-proof housing, adapt to the production operation of different length steel pipes, help reducing the factory building space and occupy.

The invention is further configured to: the horizontal rotating frame is provided with an adjusting screw rod on the fixed guide rail, the horizontal threads of the adjusting screw rod penetrate through the sliding blocks on the same side, and one end of the adjusting screw rod is connected with an adjusting motor in a transmission mode.

Through adopting above-mentioned technical scheme, after the accommodate motor starts, the accommodate motor can drive each sliding block motion through the accommodate screw pole, and then realizes the automatic folding or the extension of sound-proof housing, improves the convenience of operation.

The invention is further configured to: a plurality of elastic folding rods which are uniformly distributed are arranged between any two adjacent support frames, and two ends of each elastic folding rod are hinged with the two adjacent support frames respectively.

Through adopting above-mentioned technical scheme, strut the sound-proof housing through the elasticity folding rod, improve the structural strength of sound-proof housing, improve the ability that the sound-proof housing resisted external impact, reduce the risk of sound-proof housing damage, indirectly prolong its life.

The invention is further configured to: the support frame is attached to the inner wall of the sound-proof shield; be equipped with a plurality of bandages that are even interval setting and be used for fixed sound-proof housing on the support frame, just it is equipped with a plurality of constant head tanks that are used for inlaying respectively establishing each bandage to go back the interval on the support frame.

By adopting the technical scheme, the soundproof covers are bound and fixed on the support frames through the binding belts, so that the stability of the arrangement of the soundproof covers is ensured; simultaneously, imbed each constant head tank with each ribbon respectively, prevent that the ribbon from taking place not hard up on the support frame, further improve the stability that the sound-proof housing set up.

The invention is further configured to: the sound-proof housing includes deadening felt and attached fire prevention cloth of being fixed in the sound-proof housing both sides.

By adopting the technical scheme, the sound-proof felt can fully ensure the integral noise reduction effect of the sound-proof cover; simultaneously, set up fire prevention cloth in deadening felt both sides, improve the fire behavior of sound-proof housing, prevent that the high temperature iron fillings that splash in the steel pipe cutting process from lighting the deadening felt, improve the security of production.

The invention is further configured to: the utility model discloses a cutting export is provided with the sound insulation cover, the sound insulation cover is last to cut export place one side and still be provided with the access hole, access hole department is provided with the check curtain.

Through adopting above-mentioned technical scheme, through setting up the access hole on the sound-proof housing, make things convenient for the staff to get into the inside cutter that maintains of sound-proof housing.

The invention also aims to provide a steel pipe cutting device, and the cutting machine is integrally arranged in the sound-proof shield by means of the noise reduction device, so that noise reduction is realized, and the health of workers is ensured.

the utility model provides a steel pipe cutting device, is including fixed setting up in the inside frame of sound-proof housing, the frame upside is fixed with one along the support slide rail that cutting entry and cutting export line direction extend, it is provided with the cutting subassembly to support the slide rail and slide.

By adopting the technical scheme, the rack is erected inside the sound-proof shield, the support slide rail is arranged on the rack, and the cutting assembly which is arranged on the support slide rail in a sliding manner is matched with the support slide rail, so that the cutting assembly can realize follow cutting on the steel pipe, and the sound-proof shield reserves enough movement space for the cutting assembly; in this process, the cutting assembly is located inside the sound-proof housing all the time, and the noise is fully reduced.

In conclusion, the beneficial technical effects of the invention are as follows:

(1) The folding sound-proof cover is utilized to fully reduce noise of the steel pipe cutting device, so that the health of workers is guaranteed, the production operation requirements of steel pipes with different lengths are met, the workshop space is saved, and the production cost is reduced;

(2) Slide each movable support frame with the help of the sliding block and set up on fixed guide rail, cooperation accommodate motor and accommodate the lead screw, realize the automatic folding or the expansion of sound-proof housing, improve the convenience of operation.

Drawings

FIG. 1 is a first axial view showing the overall structure of embodiment 1 of the present invention;

FIG. 2 is a second axis view showing the overall structure of embodiment 1 of the present invention;

FIG. 3 is a schematic view showing the concrete constitution of the deadening felt in example 1 of the invention;

FIG. 4 is a schematic structural diagram of embodiment 1 of the present invention, which is mainly used for embodying the supporting framework;

FIG. 5 is a schematic structural view of an embodiment 1 of the present invention, which is mainly used for embodying a movable supporting stand;

FIG. 6 is a schematic view showing the overall construction of a steel pipe cutting apparatus according to embodiment 2 of the present invention;

FIG. 7 is a schematic structural diagram of embodiment 2 of the present invention, which is mainly used for embodying a cutting assembly.

Reference numerals: 1. a sound-proof housing; 101. a deadening felt; 102. fireproof cloth; 2. cutting an inlet; 3. a cutting outlet; 4. an access hole; 41. a curtain; 5. fixing a support frame; 6. a movable support frame; 7. fixing the guide rail; 8. a slider; 9. adjusting the screw rod; 10. adjusting the motor; 11. positioning a groove; 12. binding a belt; 13. an elastic folding bar; 14. a frame; 141. supporting the slide rail; 15. a mounting seat; 16. a hydraulic cylinder; 17. a cutting drive motor; 18. a saw disc mounting rack; 19. cutting the main shaft; 20. a saw disc shield; 21. the feed drive motor.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Example 1:

referring to the attached drawings 1-2, the noise reduction device comprises a sound-proof housing 1 arranged along the feeding direction of a steel pipe, wherein a cutting inlet 2 and a cutting outlet 3 are respectively arranged on two sides of the sound-proof housing 1 in the length direction; in operation, the whole cutting machine is covered in the sound-proof housing 1, and the sound-proof housing 1 can reduce the noise generated by cutting. Meanwhile, the soundproof cover 1 is also provided with an access opening 4 at one side of the cutting outlet 3, and a curtain 41 can be arranged at the access opening 4 in a hanging mode, so that a worker can conveniently enter the soundproof cover 1 and maintain and overhaul the cutting machine.

The sound-proof housing 1 is made of a material with a noise reduction effect; specifically, as shown in fig. 3, the soundproof cover 1 includes a soundproof felt 101 and fireproof cloths 102 adhered to two sides of the soundproof felt 101; the sound-proof felt 101 is a high-density coiled material which is made of rubber, high polymer materials and the like as main raw materials and has certain flexibility, and can achieve an effective noise reduction effect; the fire-proof cloth can effectively protect the sound-proof felt, prevent high-temperature scrap iron splashed in the steel pipe cutting process from igniting the sound-proof felt, and improve the production safety.

Referring to the attached drawing 4, a supporting framework for supporting the soundproof cover 1 is arranged inside the soundproof cover 1, and the supporting framework comprises a plurality of door-shaped supporting frames which are uniformly arranged at intervals along the feeding direction of the steel pipe. Wherein, the support frame near the cutting inlet 2 is a fixed support frame 5, and the rest support frames are movable support frames 6.

In order to install each support frame, two fixed guide rails 7 extending along the steel pipe feeding direction are fixedly arranged on the ground, and the two fixed guide rails 7 are respectively positioned on two sides of the sound-proof housing 1 in the width direction. Specifically, two ends of the fixed support frame 5 are fixedly connected with two fixed guide rails 7 through bolts respectively; two ends of the movable support frame 6 are fixedly connected with sliding blocks 8, and the two sliding blocks 8 are respectively matched with the two fixed guide rails 7 in a sliding manner. With reference to fig. 5, taking any one of the fixed guide rails 7 as an example, the fixed guide rail 7 is further provided with an adjusting screw rod 9 arranged in the same direction on the horizontal rotating frame, and the adjusting screw rod 9 is horizontally threaded through each sliding block 8 on the same side; the two adjusting screw rods 9 are synchronous through a chain wheel transmission mechanism, and one adjusting screw rod 9 is further connected with an adjusting motor 10 through a coupler. In operation, the adjusting motor 10 can drive the two adjusting screw rods 9 to synchronously rotate, thereby driving the movable supporting frames 6 to synchronously move.

As shown in fig. 5, in order to fix the soundproof cover 1 on the support frame, a plurality of positioning slots 11 are arranged on the support frame (including the fixed support frame 5 and the movable support frame 6) at intervals, and a binding tape 12 for binding the soundproof cover 1 is embedded in each positioning slot 11. Meanwhile, a plurality of elastic folding rods 13 which are uniformly distributed are arranged between any two connected support frames, two ends of each elastic folding rod 13 are respectively hinged with the two adjacent support frames, and the middle part of each elastic folding rod 13 is fixedly connected with the sound-proof shield 1. In operation, when each movable support frame 6 moves synchronously, each movable support frame 6 can drive the sound-proof shield 1 to fold, contract or extend.

The working principle of the embodiment is as follows: in operation, the adjusting motor 10 can drive the two adjusting screw rods 9 to synchronously rotate, so as to drive the movable supporting frames 6 to synchronously move along the fixed guide rail 7, and further realize the folding and contraction or extension of the soundproof cover 1. Because the soundproof shade 1 is formed by compounding the soundproof felt 101 and the fireproof cloth 102, and the soundproof shade 1 is in a folded state, noise generated by cutting the steel pipe can be effectively reduced; simultaneously, along with the flexible of sound-proof housing 1, can also satisfy the processing operation of different specification steel pipes, the practicality is stronger.

Example 2:

referring to fig. 6, the invention further provides a steel pipe cutting device using the noise reduction device, which includes a frame 14 fixedly disposed inside the soundproof housing 1, a support slide rail 141 extending along a connection direction of the cutting inlet 2 and the cutting outlet 3 is fixed on an upper side of the frame 14, and a cutting assembly for cutting the steel pipe is slidably disposed on the support slide rail 141.

Specifically, as shown in fig. 7, the cutting assembly includes a mounting seat 15 for sliding and matching with the supporting slide rail 141, a saw disc mounting frame 18 is hinged to the mounting seat 15, a cutting spindle 19 horizontally arranged is arranged on a rotating frame on one side of the saw disc mounting frame 18 away from a hinge point of the saw disc mounting frame and the mounting seat 15, a cutting saw disc (not shown in the figure) is coaxially fixed at one end of the cutting spindle 19, and the other end of the cutting spindle is connected with a cutting driving assembly. Meanwhile, a hydraulic cylinder 16 is hinged on the mounting seat 15, and the end part of a piston rod of the hydraulic cylinder 16 is hinged with a saw disc mounting frame 18; in operation, the hydraulic cylinder 16 can drive the saw disc mounting frame 18, the cutting spindle 19 and the cutting saw disc to synchronously swing.

The cutting driving assembly comprises a cutting driving motor 17 fixedly arranged on the mounting seat 15, and an output shaft of the cutting driving motor 17 is in transmission connection with one end, far away from the cutting saw disc, of the cutting main shaft 19 through a belt transmission mechanism; when the cutting saw disc swings up and down along with the saw disc mounting frame 18, the cutting driving motor 17 can drive the cutting saw disc to rotate through the belt transmission mechanism and the cutting main shaft 19, and the steel pipe is cut. In addition, in order to ensure the safety of work, the mounting seat 15 is also fixedly provided with a saw disc protective cover 20, and the saw disc protective cover 20 not only can protect the saw disc, but also can prevent scrap iron generated by cutting from splashing everywhere.

Referring to fig. 7, the frame 14 is further provided with a feeding driving assembly for driving the mounting base 15 to reciprocate along the supporting slide rail 141. Specifically, the feeding driving component comprises a fixed rack and a transmission gear matched with the fixed rack; two fixed racks are arranged and are respectively fixed on two sides of the rack 14 in the width direction; the transmission gears and the fixed rack are arranged in a one-to-one correspondence mode, and the two transmission gears are respectively arranged on two sides of the width direction of the rack 14 in a rotating mode through rotating shafts and are respectively meshed with the corresponding fixed racks. Meanwhile, a feeding driving motor 21 is fixedly arranged on the mounting seat 15, and an output shaft of the feeding driving motor 21 is coaxially fixed with a rotating shaft corresponding to one of the transmission gears through a coupler; in the work, the feeding driving motor 21 drives the corresponding transmission gear to rotate, and the transmission gear is matched with the fixed rack to drive the mounting seat 15 to integrally move, so that the synchronous following cutting of the steel pipes is realized.

The working principle of the embodiment is as follows: through setting up whole steel pipe cutting device in sound-proof housing 1, sound-proof housing 1 can play noise reduction to the noise that produces in the steel pipe cutting process, guarantees that staff's is healthy.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A noise reducing device, characterized by: the steel pipe sound insulation shield comprises a sound insulation shield (1) arranged along the feeding direction of a steel pipe, wherein a cutting inlet (2) and a cutting outlet (3) are respectively arranged on two sides of the sound insulation shield (1) in the length direction; the sound-proof shield (1) is of a folding structure in the steel pipe feeding direction, and a supporting framework for supporting is arranged in the sound-proof shield (1); the supporting framework comprises a plurality of door-shaped supporting frames which are arranged at intervals along the feeding direction of the steel pipe, the supporting frames are attached to the inner wall of the sound-proof shield (1), a plurality of elastic folding rods (13) which are uniformly distributed are arranged between any two adjacent supporting frames, two ends of each elastic folding rod (13) are respectively hinged with the two adjacent supporting frames, and the middle part of each elastic folding rod is fixedly connected with the sound-proof shield (1);

wherein the support frame close to the cutting inlet (2) is a fixed support frame (5), and the rest support frames are movable support frames (6); the bottom of the fixed support frame (5) is detachably fixed with the ground; sliding blocks (8) are fixedly connected to two ends of the movable support frame (6), and fixed guide rails (7) which extend along the steel pipe feeding direction and are in sliding fit with the sliding blocks (8) are fixed on the ground;

an adjusting screw rod (9) is arranged on the fixed guide rail (7) in a horizontal rotating frame, the adjusting screw rod (9) penetrates through all sliding blocks (8) on the same side in a horizontal thread mode, and one end of the adjusting screw rod (9) is connected with an adjusting motor (10) in a transmission mode;

be equipped with a plurality of ribbon (12) that are even interval setting and be used for fixed sound-proof housing (1) on the support frame, just it is equipped with a plurality of constant head tanks (11) that are used for inlaying respectively establishing each ribbon (12) still to separate on the support frame.

2. A noise reducing device according to claim 1, wherein: the sound-proof housing (1) comprises a sound-proof felt (101) and fireproof cloth (102) attached and fixed on two sides of the sound-proof housing (1).

3. A noise reducing device according to claim 1, wherein: an access hole (4) is further formed in one side, where the cutting outlet (3) is located, of the sound-proof housing (1), and a blocking curtain (41) is arranged at the access hole (4).

4. A steel pipe cutting apparatus using the noise reducing device according to any one of claims 1 to 3, wherein: including fixed frame (14) that sets up in sound-proof housing (1) inside, frame (14) upside is fixed with one along cutting entry (2) and support slide rail (141) that cutting export (3) line direction extends, support slide rail (141) and slide and be provided with the cutting subassembly.