CN214814964U - Portable boring and milling processing device of ultra-large port machinery - Google Patents

Abstract

A portable boring and milling device for ultra-large port machinery comprises a sectional type boring shaft, wherein a plurality of boring shaft fixing frames are sequentially sleeved on the sectional type boring shaft, a universal coupling and a Morse taper shank are connected to the front end of the sectional type boring shaft, and a floating end face milling device is further arranged on the sectional type boring shaft. The utility model discloses following technological effect has: 1. a large portable boring and milling device for port machinery is convenient to carry, can finish the processing of a through hole and inner and outer end surfaces of a workpiece through simple fixing and correction, and has concentricity meeting the design requirement; 2. the method has strong universality and is suitable for processing concentric holes and flange end faces of structural members in various forms; 3. the length of the boring bar is adjustable, and the space and the aperture size of concentric holes are not limited by equipment; 4. the processing cost is low, and is 3-5 times lower than that of large-scale processing equipment; 5. the equipment is convenient to operate, and operators can finish machining of different workpieces through simple training.

Description

Portable boring and milling processing device of ultra-large port machinery

Technical Field

The utility model belongs to a processing frock is applicable to super large-scale harbour machinery particularly, for example: aiming at large-tonnage and large-size chamber milling processing devices such as port machines, gate seats, shore bridges, container door machines and the like.

Background

With the vigorous development of the sea and river transportation industry in China, the demand of port machinery is increased rapidly, the port machinery has large size specification, the stroke of the port machinery adopting conventional processing equipment during milling cannot meet the processing requirement, the processing period is long, the processing reference of a workpiece needs to be converted for many times, secondary clamping and correction are difficult, the processing cost is high, and the port machinery is not favorable for batch production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an use portable boring and milling processingequipment at super large-scale harbour machinery.

The technical scheme of the utility model specifically does:

a portable boring and milling device for ultra-large port machinery comprises a sectional type boring shaft, wherein a plurality of boring shaft fixing frames are sequentially sleeved on the sectional type boring shaft, a universal coupling and a Morse taper shank are connected to the front end of the sectional type boring shaft, and a floating end face milling device is further arranged on the sectional type boring shaft.

The boring shaft fixing frame comprises a circular ring disc, a through hole in the center of the circular ring disc is matched with the sectional type boring shaft, at least three fixing holes are formed in the circular ring disc, each fixing hole is connected with one support, strip holes are formed in the supports, and bolts sequentially penetrate through the fixing holes and the strip holes so as to fix the supports on the circular ring disc.

The annular disc is provided with four fixing holes and four supports in total.

The floating end face milling device comprises a supporting seat, wherein a tool rest seat is arranged on the supporting seat, and a machining tool is arranged on the tool rest seat; the tool rest base is arranged on the gear rack mechanism so as to drive the tool rest base to do axial motion, and the gear rack mechanism is provided with a non-return mechanism so as to prevent the tool rest base from moving reversely.

The rack is fixedly connected to one axial end of the tool rest base, the adjusting device is arranged on the side of the rack and installed on the supporting seat, the adjusting device comprises a rotating shaft and a stop block fixed on the rotating shaft, a shifting tooth is arranged on the stop block, the shifting tooth and the rack form a gear and rack mechanism, in addition, a torsion spring is sleeved on the rotating shaft, a stop iron is arranged on a workpiece to be machined, and the shifting block rotates for a circle and collides with the stop iron once.

The non-return mechanism is a reverse ratchet mechanism, and reverse ratchets in the ratchet mechanism are meshed with the shifting teeth.

Compared with the prior art, the utility model discloses following technological effect has:

1. a large portable boring and milling device for port machinery is convenient to carry, can finish the processing of a through hole and inner and outer end surfaces of a workpiece through simple fixing and correction, and has concentricity meeting the design requirement;

2. the method has strong universality and is suitable for processing concentric holes and flange end faces of structural members in various forms;

3. the length of the boring bar is adjustable, and the space and the aperture size of the concentric holes are not limited by equipment, so the boring bar is suitable for large-scale port mechanical equipment;

4. the processing cost is low, and is 3-5 times lower than that of large-scale processing equipment;

5. the equipment is convenient to operate, and operators can finish machining of different workpieces through simple training;

6. the equipment is simple to manufacture and assemble, and the time for large-scale equipment to correct the workpiece is saved.

Drawings

Fig. 1 is the structure diagram of the working state of the processing scheme of the utility model.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a structural view of the floating face milling apparatus.

Fig. 4 is a schematic structural diagram of the adjusting mechanism and the check mechanism in fig. 3.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

As shown in figures 2, 3 and 4, the portable boring and milling device 3 for the ultra-large port machinery comprises a sectional type boring shaft 3-2, a plurality of boring shaft fixing frames 3-3 are sequentially sleeved on the sectional type boring shaft 3-2, a universal coupling and a Morse taper shank 3-1 are connected to the front end of the sectional type boring shaft 3-2, and a floating end face milling device 3-4 is further arranged on the sectional type boring shaft 3-2. It should be noted that the sectional boring spindle 3-2 is formed by combining multiple sections, and the length thereof can be adjusted according to the size of the machine to be machined. In the combination mode, the connecting device can be combined by adopting the existing connecting modes such as threaded connection and the like.

The boring shaft fixing frame 3-3 comprises a circular ring disc, a through hole in the center of the circular ring disc is matched with the sectional type boring shaft 3-2, at least three fixing holes are formed in the circular ring disc, each fixing hole is connected with one support, a strip hole is formed in each support, and a bolt sequentially penetrates through the fixing holes and the strip holes so as to fix the supports on the circular ring disc. Preferably, four fixing holes are provided in the annular disc, so that there are four brackets in total.

The floating end face milling device 3-4 comprises a supporting seat 3-4-2, a tool rest seat 3-4-1 is arranged on the supporting seat 3-4-2, and a machining tool is arranged on the tool rest seat 3-4-1. The tool rest base 3-4-1 is arranged on the gear rack mechanism so as to drive the tool rest base 3-4-1 to do axial movement; preferably, a non-return mechanism 3-4-3 is arranged on the gear rack mechanism to prevent the cutter frame seat from moving reversely. In particular, one axial end of the tool rest seat 3-4-1 is fixedly connected with a rack 3-4-5, an adjusting device 3-4-4 is arranged at the side of the rack 3-4-5, the adjusting device 3-4-4 is arranged on the supporting seat 3-4-2, the adjusting device 3-4-4 comprises a rotating shaft and a stop block fixed on the rotating shaft, a shifting tooth is arranged on the stop block, the shifting tooth and the rack 3-4-5 form a gear rack mechanism, in addition, a torsion spring is sleeved on the rotating shaft, a stop iron is arranged on the workpiece 1 to be processed, the shifting block rotates for a circle and collides with the stop iron once, thus, in the collision process, the pushing work is finished by the shifting teeth, and the rack 3-4-5 advances by one tooth, so that the cutter frame seat 3-4-1 is driven to axially advance by one tooth for displacement. The non-return mechanism 3-4-3 is a reverse ratchet mechanism, and reverse ratchets in the ratchet mechanism are meshed with the shifting teeth.

The utility model discloses a theory of operation is:

as shown in fig. 1, in operation, a workpiece to be machined 1 which is already scribed is placed on a proper place to be horizontally placed and stabilized, then a portable boring and milling device 3 of an ultra-large port machine is sequentially installed together with the workpiece to be machined 1, specifically, a sectional type boring shaft 3-2 and a boring shaft fixing frame 3-3 are sequentially penetrated into a concentric hole to be machined of the workpiece, a support bolt on the boring shaft fixing frame 3-3 is adjusted and then fixed to the workpiece to be machined 1 in a spot welding manner, the center of the boring shaft is corrected by adjusting an adjusting bolt on the boring shaft fixing frame 3-3 according to a bench worker scribing result, a boring cutter is installed in the middle of the boring shaft and is pressed tightly by adopting the bolt, the end part of the boring shaft is connected with a universal coupling and a morse taper shank 3-1, and boring power is provided by a simple boring machine 2 to bore holes.

When the flange end face is bored and scraped, a supporting seat 3-4-2 of the floating end face milling device is installed on a boring bar and is fastened by a bolt, when the flange end face is bored and scraped, a stop block in an adjusting device 3-4-4 is rotated for one circle and collided by a stop iron fixed at a proper position of a workpiece to drive a rack 3-4-5 to advance by one tooth, so that a tool rest seat 3-4-1 is driven to feed to realize cutting, the flange end face is bored and fed in a step-by-step rotating mode (a torsion spring is arranged in the adjusting mechanism, and the torsion spring is gradually stressed and stored in energy in the collision and feeding process), a meshing shifting tooth is arranged in a check ratchet 3-4-3, so that a reverse force can be provided for the boring process, and the situation that the tool rest seat moves reversely due to the reverse rotation of the gear in the machining process due to the existence of the boring force is prevented from influencing the machining process. After the processing is finished, the non-return mechanism 3-4-3 is loosened manually, at the moment, the spring force of the torsion spring is released to drive the rack 3-4-5 and the tool rest base 3-4-1 to return to the initial position, and the initial position of the tool rest base can be finely adjusted by a hand wheel in the adjusting device 3-4-4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, however, as long as there is no contradiction between the combinations of the technical features, the combinations of the technical features should be considered as the range described in the present specification, and when there is a mutual contradiction or cannot be realized, the combinations of the technical features should be considered as not being present, and are not within the scope of the present invention. Also, it will be apparent to those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the spirit of the principles of the present invention.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.

Claims (6)

1. The utility model provides a portable boring and milling processingequipment of super large-scale harbour machinery which characterized in that: the universal boring machine comprises a sectional type boring shaft (3-2), a plurality of boring shaft fixing frames (3-3) are sequentially sleeved on the sectional type boring shaft (3-2), a universal coupling and a Morse taper shank (3-1) are connected to the front end of the sectional type boring shaft (3-2), and a floating end face milling device (3-4) is further arranged on the sectional type boring shaft (3-2).

2. The portable boring and milling device for the ultra-large harbor machine according to claim 1, wherein: the boring shaft fixing frame (3-3) comprises a circular ring disc, a through hole in the center of the circular ring disc is matched with the sectional type boring shaft (3-2), at least three fixing holes are formed in the circular ring disc, each fixing hole is connected with one support, a long hole is formed in each support, and a bolt sequentially penetrates through the fixing holes and the long holes so as to fix the supports on the circular ring disc.

3. The portable boring and milling device for the ultra-large harbor machine according to claim 2, characterized in that: the annular disc is provided with four fixing holes and four supports in total.

4. The portable boring and milling device for the ultra-large harbor machine according to claim 1, wherein: the floating end face milling device (3-4) comprises a supporting seat (3-4-2), a cutter frame seat (3-4-1) is arranged on the supporting seat (3-4-2), and a machining cutter is arranged on the cutter frame seat (3-4-1); the tool rest base (3-4-1) is arranged on the gear rack mechanism so as to drive the tool rest base (3-4-1) to do axial motion, and the gear rack mechanism is provided with a non-return mechanism (3-4-3) so as to prevent the tool rest base from moving reversely.

5. The portable boring and milling device for the ultra-large harbor machine according to claim 4, wherein: the tool rest comprises a tool rest seat (3-4-1), wherein a rack (3-4-5) is fixedly connected to one axial end of the tool rest seat (3-4-1), an adjusting device (3-4-4) is arranged on the side of the rack (3-4-5), the adjusting device (3-4-4) is installed on a supporting seat (3-4-2), the adjusting device (3-4-4) comprises a rotating shaft and a stop block fixed on the rotating shaft, a shifting tooth is arranged on the stop block, the shifting tooth and the rack (3-4-5) form a gear and rack mechanism, in addition, a torsion spring is sleeved on the rotating shaft, a stop iron is arranged on a workpiece to be machined (1), and the shifting block rotates for a circle and collides with the stop iron once.

6. The portable boring and milling device for the ultra-large harbor machine according to claim 4, wherein: the non-return mechanism (3-4-3) is a reverse ratchet mechanism, and reverse ratchets in the ratchet mechanism are meshed with the shifting teeth.

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