CN211441070U

CN211441070U - Lifting platform adjusting structure on corrugated pipe forming machine

Info

Publication number: CN211441070U
Application number: CN201922195646.0U
Authority: CN
Inventors: 刘伟
Original assignee: Qingdao Fulevi Machinery Technology Co ltd
Current assignee: Qingdao Fulevi Machinery Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-08
Anticipated expiration: 2029-12-10

Abstract

The utility model provides a lifting platform adjusting structure on a corrugated pipe forming machine, which comprises a base and a lifting platform, wherein two movable plates are arranged on the left side and the right side of a base top plate, each movable plate is provided with two sleeves, the inner walls of the sleeves are provided with internal threads, driven sprockets are arranged on the sleeves, lifting screw rods are matched in the sleeves, and connecting sleeves on the bottom surface of the lifting platform are respectively sleeved on the corresponding lifting screw rods; the chain is matched with a driven chain wheel on each sleeve, the motor is connected with a driving chain wheel, and the driving chain wheel is matched with the chain; the lifting screws are provided with a section of operation part which can be matched with an external tool; the movable plate is provided with fixing blocks respectively, threaded through holes are formed in the fixing blocks, the fixing blocks are in threaded fit with the adjusting screw rods, and the adjusting screw rods are installed on the base. The height adjustment of a single lifting screw rod is realized by the structure, the fine adjustment technical effect is achieved, the position precision in the working process is improved, and the production quality of the corrugated pipe is guaranteed.

Description

Lifting platform adjusting structure on corrugated pipe forming machine

Technical Field

The utility model relates to a bellows make-up machine especially relates to the position control structure on the bellows make-up machine.

Background

The corrugated pipe is a tubular elastic product formed by connecting foldable corrugated sheets along the folding and stretching direction. Corrugated pipes are mainly classified into metal corrugated pipes and plastic corrugated pipes according to the materials used for production. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The plastic corrugated pipe is mainly used in the fields of medium transportation, electric power threading, machine tools, household appliances and the like.

When the plastic corrugated pipe is produced, the main production equipment comprises an extruder and a forming machine, wherein the forming machine adopts a horizontal structure and a chain transmission design and is provided with a water cooling system and a vacuum forming system, so that the production speed is increased. The mold in the molding machine comprises a left module and a right module which are symmetrical in structure, the left module and the right module are equal in number and rotate and circularly move on the left side and the right side of the molding machine to realize mold closing and mold opening, and therefore plastics extruded by the extruder are molded.

The forming machine used for manufacturing the corrugated pipe is large in size and heavy in weight, generally cannot move randomly after being placed at a preset position, but has some deviation inevitably when being placed, and meanwhile, the lifting platform can be adjusted according to actual working conditions when being used. The adjustment to the elevating platform among the prior art is comparatively troublesome, has the not high problem of adjustment precision moreover.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a structure is adjusted to elevating platform on bellows make-up machine, its regulation to the elevating platform is simple and convenient, and it is high to adjust the precision to overcome the defect in the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme: a lifting platform adjusting structure on a corrugated pipe forming machine comprises a base and a lifting platform, wherein a top plate is arranged on the base,

the lifting platform comprises a top plate, two movable plates, a driven chain wheel, lifting screws, connecting sleeves and a lifting platform, wherein the two movable plates capable of moving in the front and back directions are arranged on the left side and the right side of the top plate respectively; the chain is matched with a driven chain wheel on each sleeve, the motor is connected with a driving chain wheel, and the driving chain wheel is matched with the chain; the lifting screws are provided with a section of operation part which can be matched with an external tool;

the movable plate is provided with a fixed block, the fixed block is provided with a thread through hole, the fixed block is in thread fit with the adjusting screw rod, the adjusting screw rod is only rotatably arranged on the base, and the movable plate moves back and forth on the top plate when the adjusting screw rod rotates.

Preferably, the side wall of the connecting sleeve is provided with a threaded hole, and a locking bolt capable of being pressed against or penetrating the lifting screw rod is matched in the threaded hole.

Preferably, the top plate is provided with a long groove at a position corresponding to each movable plate along the front-rear direction, and the fixed block is disposed on the bottom surface of the movable plate and located in the long groove.

Preferably, a position-adjustable tensioning chain wheel is arranged on the base and matched with the chain.

Preferably, a bearing is sleeved on the sleeve and is mounted on the movable plate through a bearing seat.

Preferably, a guide structure is arranged between the top plate and the movable plate.

Preferably, a turntable is arranged on the adjusting screw rod.

Preferably, the cross section of the operation part is a regular hexagon structure.

As above, the utility model discloses structure is adjusted to elevating platform on the bellows make-up machine has following beneficial effect:

the structure realizes the adjustment of the overall height of the lifting platform through four lifting screws, and realizes the adjustment of the front and rear positions of the lifting platform through two movable plates. In addition, this structure can also realize the altitude mixture control to single lifting screw, has the technological effect of fine setting, has improved the position accuracy of during operation, has guaranteed the production quality of bellows.

The adjusting principle of the structure is simple and convenient, and the operation of workers is convenient.

Drawings

Fig. 1 is a front view of the present invention on a molding machine.

Fig. 2 is a partial cross-sectional view of fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a side view of the present invention on a molding machine.

Fig. 5 is a bottom view of the molding machine according to the present invention.

Fig. 6 is an enlarged view of fig. 5 at B.

In the figure:

1 base 2 elevating platform

3 moving plate 4 sleeve

5 chain 6 motor

11 top plate 12 tension sprocket

21 connecting sleeve 211 bolt

31 fixed block 32 adjusting screw

33 turntable 41 driven sprocket

42 lifting screw 43 bearing

44 bearing seat 61 drive sprocket

Detailed Description

The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "front", "rear", "middle", and the like, referred to in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof should be considered as the scope of the present invention without substantial changes in the technical content.

The utility model relates to a structure is adjusted to elevating platform on bellows make-up machine, as shown in fig. 1, the make-up machine includes base 1 and

elevating platform

2, 2 tops of elevating platform are equipped with forming die, the utility model discloses an effect is the position of adjusting elevating platform 2 promptly to adjust forming die's position, with the position requirement of satisfying the during operation. With reference to fig. 1-6, in the structure, a top plate 11 is disposed on the base 1, two movable plates 3 capable of moving in the front-back direction are disposed on the left and right sides of the top plate 11, two vertically disposed and only rotatable sleeves 4 are respectively disposed on each movable plate 3 in the front-back direction, and the connecting lines of the four sleeves 4 are rectangular. The inner wall of the sleeve 4 is provided with internal threads, the sleeve 4 is fixedly provided with a driven chain wheel 41, the sleeve 4 is internally provided with a lifting screw rod 42, the bottom surface of the lifting platform 2 is provided with a connecting sleeve 21 corresponding to the position of the lifting screw rod 42, and the connecting sleeve 21 is respectively sleeved on the lifting screw rod 42 corresponding to the position. The chain 5 bypasses each sleeve 4 in turn and is matched with the driven sprocket 41 on each sleeve 4, the output shaft of the motor 6 is connected with the driving sprocket 61, the driving sprocket 61 is matched with the chain 5, and the motor 6 is connected with the driving sprocket 61 through a speed reducer for effectively controlling the rotating speed of the driving sprocket 61. When the motor 6 drives the chain 5 through the driving sprocket 61 to drive the driven sprocket 41 to rotate, the driven sprocket 41 drives the sleeve 4 to rotate, the lifting screw 42 keeps a static state relative to the lifting table 2, and the position of the sleeve 4 relative to the base 1 is unchanged, so that the lifting screw 42 moves up and down, namely the lifting table 2 moves up and down. Referring to fig. 3, each of the lifting screws 42 is provided with a section of an operation portion 421 capable of cooperating with an external tool, where the external tool may be a wrench, a clamp, or the like, and the general finger is a tool capable of cooperating with the operation portion 421 to perform a rotation function. In a specific machining process, the cross-sectional shape of the operating portion 421 may be different shapes, such as a quadrangle, a hexagon, an octagon, etc., as long as the operating portion can be conveniently matched with a peripheral tool, preferably, the cross-section of the operating portion 421 is a regular hexagon structure, and the peripheral tool is a wrench. When the height of the single lifting screw 42 needs to be adjusted, the lifting screw 42 is rotated by the wrench cooperating with the operation part 421, so that the lifting screw 42 moves up and down relative to the sleeve 4.

As shown in fig. 3 and 6, in the present structure, the movable plate 3 is respectively provided with a fixed block 31, the fixed block 31 is provided with a threaded through hole, the fixed block 31 is in threaded fit with an adjusting screw 32, the adjusting screw 32 is only rotatably mounted on the base 1, and when the adjusting screw 32 rotates, the fixed block 31 drives the movable plate 3 to move on the top plate 11 along the front-back direction.

With reference to fig. 1 to 6, in operation, after the forming machine is placed at a preset position, in order to meet the use requirements of different working conditions, the position of the lifting table 2 needs to be adjusted, and then the position of the mold is adjusted, and the specific operation method is as follows: bellows is along the left and right sides direction machine-shaping of make-up machine in figure 1, at first adjust the holistic height of elevating platform 2, starter motor 6 promptly, drive sprocket 61 passes through chain 5 and drives all driven sprocket 41 rotations, driven sprocket 41 drives sleeve pipe 4 and only rotates relative base 1, because elevating platform 2 and mould have enough big weight to produce pressure to lifting screw 42 from the top, so when sleeve pipe 4 rotates, lifting screw 42 can not follow sleeve pipe 4 and rotate, and then just realized all lifting screw 42's synchronous lift, accomplish the primary control of elevating platform 2 height. After that, the motor 6 is turned off, the adjusting screw 32 is rotated, the adjusting screw 32 only rotates relative to the base 1, and the fixed block 31 drives the movable plate 3 to move back and forth along the top plate 11, thereby realizing the adjustment of the front and rear positions of the lifting platform 2. Finally, the height of each lifting screw 42 is individually adjusted by the cooperation of a wrench and the operation portion 421 of the lifting screw 42 as required, so as to reach the final working position. It should be noted that, when the corrugated pipe is produced, the extension length of the extruder head is adjustable, so that the extruder head can be effectively matched with a mold on a forming machine, and therefore, the position of the lifting platform 2 (including the mold) on the forming machine in the left-right direction does not need to be adjusted, namely, the structure only adjusts the height and the front-back direction position of the lifting platform 2 (including the mold).

Referring to fig. 3, in a preferred embodiment, a threaded hole is formed in a side wall of the connection sleeve 21, and a bolt 211 capable of being pressed or inserted on the lifting screw 42 is fitted in the threaded hole. The position between the elevating platform 2 and the sleeve 4 is ensured to be stable by the bolt 211, the problem of unstable position caused by vibration is avoided, and the static state of the elevating screw 42 relative to the elevating platform 2 during synchronous elevating can be ensured.

Referring to fig. 3, in a preferred embodiment, the top plate 11 is provided with a long groove at a corresponding position of each movable plate 3 along the front-back direction, the fixed block 31 is disposed on the bottom surface of the movable plate 3 and is located in the long groove, that is, the fixed block 31 and the adjusting screw 32 are both located below the top plate 11, so that the design of the overall structure is more reasonable. In addition, for the convenience of manufacturing, the fixing block 31 is a nut structure and is welded to the bottom surface of the movable plate 3 during assembly.

Referring to fig. 5, in a preferred embodiment, a position-adjustable tension sprocket 12 is provided on the base 1, and the tension sprocket 12 is engaged with the chain 5 to improve the stability of power transmission in use.

In the preferred embodiment, shown in fig. 2 and 3, the driven sprockets 41 on the bushings 4 are all located below the top plate 11 for ease of assembly and design reasons; in addition, a bearing 43 is sleeved on the sleeve 4, and the bearing 43 is mounted on the movable plate 3 through a bearing seat 44; and, in order to guarantee the structural stability, with reference to fig. 3, said bearings 43 are provided with two. During specific installation, the sleeve 4 is arranged in the inner ring of the bearing 43 in a penetrating manner, and the outer ring of the bearing 43 is matched with the bearing seat 44.

As shown in fig. 1 and 4, for convenience of use, the adjusting screw 32 is provided with a rotary disc 33.

In a preferred embodiment, in order to ensure the accuracy of the movable plate 3 during adjustment, a guide structure is arranged between the top plate 11 and the movable plate 3, and the guide structure may be a rail-slider structure, that is, a guide rail is arranged on the top plate 11, and a slider on the guide rail is connected with the movable plate 3.

To sum up, the utility model discloses elevating platform on the bellows make-up machine adjusts the structure, can solve the elevating platform and adjust inconvenient, adjusts the problem that efficiency is low. Therefore, the utility model discloses thereby effectively overcome some practical problems among the prior art and had very high use value and use meaning.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. The present invention can be modified in many ways without departing from the spirit and scope of the present invention, and those skilled in the art can modify or change the embodiments described above without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a structure is adjusted to elevating platform on bellows make-up machine, the make-up machine includes base (1) and elevating platform (2), be equipped with roof (11) on base (1), its characterized in that:

the lifting device is characterized in that two movable plates (3) capable of moving in the front-back direction are arranged on the left side and the right side of the top plate (11), two vertically-arranged and only rotatable sleeves (4) are respectively arranged on each movable plate (3) in the front-back direction, inner threads are respectively arranged on the inner walls of the sleeves (4), driven chain wheels (41) are fixedly sleeved on the sleeves (4), lifting screw rods (42) are respectively matched in the sleeves (4), connecting sleeves (21) corresponding to the lifting screw rods (42) are respectively arranged on the bottom surfaces of the lifting tables (2), and the connecting sleeves (21) are respectively sleeved on the corresponding lifting screw rods (42); the chain (5) is matched with a driven chain wheel (41) on each sleeve (4), the motor (6) is connected with a driving chain wheel (61), and the driving chain wheel (61) is matched with the chain (5); the lifting screw rods (42) are provided with a section of operation part (421) which can be matched with an external tool;

the movable plate (3) is provided with a fixing block (31) respectively, the fixing block (31) is provided with a threaded through hole, the fixing block (31) is in threaded fit with an adjusting screw rod (32), the adjusting screw rod (32) is only rotatably installed on the base (1), and the movable plate (3) moves back and forth on the top plate (11) when the adjusting screw rod (32) rotates.

2. The structure for adjusting the lifting table of a bellows molding machine according to claim 1, wherein: the side wall of the connecting sleeve (21) is provided with a threaded hole, and a bolt (211) which can be pressed or penetrated on the lifting screw rod (42) is matched in the threaded hole.

3. The structure for adjusting the lifting table of a bellows molding machine according to claim 1, wherein: the top plate (11) is provided with a long groove at a position corresponding to each movable plate (3) along the front-back direction, and the fixed block (31) is arranged on the bottom surface of the movable plate (3) and is positioned in the long groove.

4. The structure for adjusting the lifting table of a bellows molding machine according to claim 1, wherein: the base (1) is provided with a tensioning chain wheel (12) with adjustable position, and the tensioning chain wheel (12) is matched with the chain (5).

5. The structure for adjusting the lifting table of a bellows molding machine according to claim 1, wherein: the sleeve (4) is sleeved with a bearing (43), and the bearing (43) is installed on the movable plate (3) through a bearing seat (44).

6. The structure for adjusting the lifting table of a bellows molding machine according to claim 1, wherein: and a guide structure is arranged between the top plate (11) and the movable plate (3).

7. The structure for adjusting the lifting table of a bellows molding machine according to claim 1, wherein: and a turntable (33) is arranged on the adjusting screw rod (32).

8. The structure for adjusting the lifting table of a bellows molding machine according to claim 1, wherein: the cross section of the operation part (421) is of a regular hexagon structure.