CN219690023U - Cone needling machine - Google Patents

Abstract

The utility model discloses a cone needling machine, which comprises a frame, a main shaft arranged in the frame, a needle plate connected with the main shaft in a driving way and a die rotationally arranged under the needle plate, wherein the frame comprises a base and a main shaft box arranged right above the base through a supporting frame, the main shaft is rotationally arranged on the main shaft box through a bearing seat and is in driving connection with the needle plate through an eccentric mechanism, the die is of a round platform structure, two end faces of the die are vertically arranged, the bottom face of the needle plate is parallel to the conical face of the die, the die is rotationally arranged on the top face of the base through a mounting table, the mounting table comprises a bottom plate connected with the base through a lifting mechanism and a vertical plate close to one large-diameter end of the die, and the center of the large-diameter end of the die is convexly provided with a rotating shaft and is connected with a stepping motor on the vertical plate. The cone-cylinder needling machine is simple in structure, coiled materials are sleeved on or sequentially coated on the surface of the die, and driven by the stepping motor to rotate together with the die, and needle plates are lifted to finish needling.

Description

Cone needling machine

Technical Field

The utility model relates to the technical field of needling machines, in particular to a cone needling machine.

Background

Needling machines are used for densely needling multi-layer fibrous webs to produce high performance fibrous products using needles having triangular or other shaped cross sections with barbed hooks at the edges to repeatedly puncture the web. The fiber net is very fluffy when fed into a needling machine and only generates certain strength by cohesive force between fibers, but the strength is very poor, when a plurality of needles penetrate into the fiber net, the hooks on the needles drive the fibers on the surface and the subsurface of the fiber net to move from the plane direction of the fiber net to the vertical direction of the fiber net, so that the fibers are shifted up and down, and the fibers which are shifted up and down generate certain extrusion on the fiber net, so that the fibers in the fiber net are close to each other and compressed. The needling machine in the prior art is used for needling a planar product, and rarely relates to a needling machine for cone-shaped products such as a fire nozzle of a spacecraft. Accordingly, improvements are needed.

Disclosure of Invention

The utility model aims to provide a cone needling machine which overcomes the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the embodiment of the utility model discloses a cone needling machine, which comprises a frame, a main shaft arranged in the frame, a needle plate connected with the main shaft in a driving way and a die rotationally arranged under the needle plate, wherein the frame comprises a base and a main shaft box arranged right above the base through a supporting frame, the main shaft is rotationally arranged on the main shaft box through a bearing seat and is in driving connection with the needle plate through an eccentric mechanism, the die is of a round platform structure, two end faces of the die are vertically arranged, the bottom face of the needle plate is parallel to the conical face of the die, the die is rotationally arranged on the top face of the base through a mounting table, the mounting table comprises a bottom plate connected with the base through a lifting mechanism and a vertical plate close to one end of a large diameter of the die, and a rotating shaft is convexly extended from the center of the large diameter end of the die and is connected with a stepping motor on the vertical plate.

Further, in the cone needling machine, a thimble is arranged at one end of the support frame, which is close to the die, and the thimble and the die are coaxially arranged and are adjustably connected with the support frame through an adjusting rod.

Further, in the cone needling machine, the lifting mechanism is fixed on the base through a base plate, and the lifting mechanism comprises lifting rods which are respectively connected to the bottom surface of the bottom plate in a rotating mode.

Further, in the cone needling machine, a feeding roller is arranged on one side of the top surface of the bottom plate, the feeding roller comprises two rollers parallel to the conical surface of the die, and a coiled material frame is arranged on the outer side, close to the feeding roller, of the frame.

Further, in the cone needling machine, a mounting plate for mounting the feeding roller is arranged on the top surface of the bottom plate, the top surface of the mounting plate is an inclined surface parallel to the conical surface of the die, and the feeding roller is slidably arranged on the mounting plate through a roller frame.

Further, in the cone needling machine, a screw rod parallel to the inclined plane is arranged in the mounting plate, the roller frame is fixed to a nut of the screw rod, and one end of the screw rod is connected to the driving motor.

Further, in the cone needling machine, two ends of the roller are respectively connected with the roller frame in a rotating way through bearings.

Further, in the cone needling machine, a needling motor is arranged at the top end of the frame and is connected to the main shaft through a belt.

Further, in the cone needling machine described above, the eccentric mechanism includes an eccentric wheel sleeved on the main shaft, a connecting rod rotatably sleeved on the eccentric wheel, and a connecting seat pin-connected to the connecting rod, the top end of the needle plate is connected to the connecting seat, an open pin-connected groove is provided at the bottom of the connecting rod, and the top end of the connecting seat is inserted into and pin-connected to the pin-connected groove.

Further, in the cone needling machine, a guide rod connected to the main beam in a sliding manner is arranged at the top end of the needle plate, and a linear bearing corresponding to the guide rod is arranged at the bottom of the main beam.

Compared with the prior art, the utility model has the advantages that: the cone-cylinder needling machine is simple in structure, coiled materials are sleeved on or sequentially coated on the surface of the die, and driven by the stepping motor to rotate together with the die, and needle plates are lifted to finish needling.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

Fig. 1 is a schematic structural view of a cone needling machine according to an embodiment of the present utility model.

Fig. 2 is a side view of a cone needling machine in accordance with an embodiment of this utility model.

FIG. 3 is a schematic view showing the installation of a mold in an embodiment of the present utility model.

Detailed Description

The following detailed description of the technical solutions according to the embodiments of the present utility model will be given with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, a cone needling machine includes a frame 1, a spindle 2 disposed in the frame 1, a needle plate 3 drivingly connected to the spindle 2, and a die 4 rotatably disposed under the needle plate 3, wherein the frame 1 includes a base 11 and a headstock 13 disposed directly above the base 11 through a support frame 2, the spindle 2 is rotatably disposed on the headstock 13 through a bearing seat 21, and is drivingly connected to the needle plate 3 through an eccentric mechanism 5, the die 4 has a hollow circular truncated cone structure, both end surfaces thereof are vertically disposed, a bottom surface of the needle plate 3 is parallel to a conical surface of the die 4, the die 4 is rotatably disposed on a top surface of the base 11 through a mounting table 6, the mounting table 6 includes a bottom plate 61 connected to the base 11 through a lifting mechanism 7 and a riser 62 adjacent to one end of the large diameter of the die 4, and a rotating shaft 41 protrudes from a center of the large diameter end of the die 4 and is connected to a stepping motor 63 on the riser 62.

According to the technical scheme, the machine frame is formed by splicing steel plates, channel steel and the like through cutting, welding or threaded connection and the like, the machine frame can be arranged at will according to actual demands, the base is horizontally arranged on the ground through foundation bolts and the like, the support frame is used for suspending the main shaft box right above the base, raw materials are sleeved on the die or are sequentially coated on the die through devices such as coiled material feeding and the like, the stepping motor drives the die and the raw materials to rotate, the main shaft drives the needle plate to reciprocate to perform needling through the eccentric mechanism, the needling of cone-shaped products is completed, the needle plate is only required to be arranged below the eccentric mechanism through the wedge block, the bottom surface of the wedge block is parallel to the conical surface of the die, pinholes corresponding to the needle plate are arranged in the die, and the needle plate moves downwards to complete taper needling; the cone-cylinder needling machine is simple in structure, coiled materials are sleeved on or sequentially coated on the surface of the die, and driven by the stepping motor to rotate together with the die, and needle plates are lifted to finish needling.

Illustratively, referring to fig. 2 and 3, the end of the support frame 2 near the mold 4 is provided with a thimble 8, and the thimble 8 is coaxially arranged with the mold 4 and is adjustably connected to the support frame 2 by an adjusting lever 81.

In this technical scheme, be provided with the crossbeam or the curb plate that are used for the thimble installation in the support frame, the one end that the thimble deviates from the mould is protruding to be stretched the screw rod as adjusting the pole to through threaded connection in the support frame, rotate and adjust the distance between pole and the riser can be adjusted, satisfy the installation demand of different moulds, enlarge application scope, thimble and pivot can also be fixed through current dismouting structure or quick change structure, the dismouting of mould of being convenient for, the thimble provides the support for mould path end, guarantee the stability of mould, after the acupuncture is accomplished to the product, the position of removable or regulation thimble, and take out the space between thimble and the mould with the product.

As shown in fig. 1 to 3, for example, the elevating mechanism 7 is fixed to the base 11 by a pad, and the elevating mechanism 7 includes elevating levers rotatably connected to the bottom surface of the bottom plate 61, respectively.

In this technical scheme, the top of lifter passes through the bottom surface of bearing etc. rotation connection in the bottom plate, and current electric lifter or worm gear etc. are selected for use to the lifter for adjust the mounting height of mould, realize different acupuncture strokes, satisfy different product production demands.

Illustratively, referring to fig. 2, the top side of the bottom plate 61 is provided with a feed roller comprising two rollers 9 parallel to the conical surface of the die 4, and the outside of the frame 1 near the feed roller is provided with a coil holder 10.

In this technical scheme, former lapping sets up in conventional coiled material frame, and the back of pulling out is the horizontality, is difficult for laminating the surface of mould, leads to the acupuncture disqualification easily, converts the state that is on a parallel with the mould conical surface between two rollers, can laminate in the surface of mould completely, guarantees the acupuncture effect.

Illustratively, referring to fig. 2, the top surface of the base plate 61 is provided with a mounting plate 91 for mounting the feed roller, the top surface of the mounting plate 91 is a slope parallel to the tapered surface of the die 4, and the feed roller is slidably disposed on the mounting plate 91 by a roller frame 92.

According to the technical scheme, the roller frame is vertically provided with the inclined plane of the mounting surface, and the mounting difficulty is reduced by replacing the assembly precision with the machining precision.

Illustratively, referring to fig. 2, a screw 93 parallel to the inclined plane is provided in the mounting plate, a roller frame 92 is fixed to a nut of the screw, and one end of the screw is connected to a driving motor 94.

According to the technical scheme, an installation groove parallel to the inclined plane is processed in the inclined plane of the installation plate, a screw rod is arranged in the installation groove through a conventional structure such as a bearing seat, a driving motor is fixed on the section of the installation plate and is connected with the screw rod through a conventional structure such as a coupling, a roller is driven to reciprocate along the inclined plane, the feeding position of raw materials is adjusted, at least one layer of raw materials can be coated on the surface of a die in a manual mode and the like when feeding is started, the gap between the rollers is lower than the highest point of the conical surface of the die, and the raw materials can be conveniently tensioned; the screw rod and the driving motor can be replaced by a linear motor, the linear motor is directly fixed on the inclined plane of the mounting plate, the roller frame is directly fixed on the sliding block of the linear motor, and the linear motor drives the roller frame to reciprocate along the inclined plane.

For example, referring to fig. 2, both ends of the roller 9 are rotatably connected to a roller frame 92 by bearings (not shown), respectively.

In the technical scheme, the roller frame comprises a connecting plate perpendicular to the rollers, the bottom end of the connecting plate is directly or indirectly fixed on a screw nut of a screw rod or a sliding block of a linear motor, the two ends of the rollers are rotatably connected to the connecting plate through bearings, in addition, a conventional roller motor (not shown) can be arranged on the outer side of the connecting plate, a single roller or two rollers are driven to rotate at the same time, raw materials are driven, and the tensioning and feeding of the raw materials are guaranteed by matching with a stepping motor of a die.

As shown in fig. 1 to 3, for example, the top end of the frame 1 is provided with a needling motor 22 and is connected to the main shaft 2 by a belt.

In the technical scheme, the needling motor is fixed at the top end of the main shaft box through a conventional motor seat and the like, the output end of the needling motor is connected with the main shaft through a belt to drive the main shaft to rotate, a conventional origin sensing block and the like are further arranged on the main shaft, and the needle plate is in the highest position when the main shaft stops rotating each time in cooperation with a proximity sensor and the like, and the specific structure and principle belong to the prior art and are not expanded herein; the other end of the main shaft is also provided with a hand wheel which is used for manually rotating the main shaft, so that the operation during power failure or maintenance is convenient.

As shown in fig. 1 to 3, the eccentric mechanism 5 includes an eccentric wheel sleeved on the main shaft 2, a connecting rod rotatably sleeved on the eccentric wheel, and a connecting seat pin-connected to the connecting rod, the top end of the needle plate 3 is connected to the connecting seat, an open pin-connection groove is formed in the bottom of the connecting rod, the top end of the connecting seat is inserted into and pin-connected to the pin-connection groove, a guide rod slidably connected to the main beam is arranged at the top end of the needle plate 3, and a linear bearing corresponding to the guide rod is arranged at the bottom of the main beam.

In this technical scheme, the connecting rod is avoided to the bottom of headstock, guarantees the normal operating of connecting rod, and the main shaft drives the eccentric wheel and rotates, drives the connecting rod and do eccentric motion, realizes the rectilinear motion of connecting seat, and the top of wedge still is provided with the guide bar, and the bottom of headstock is provided with linear bearing, and the guide bar slides in along linear bearing, guarantees the precision and the stability that the faller removed.

In summary, the cone needling machine has a simple structure, the coiled material is sleeved on or sequentially coated on the surface of the die, and driven by the stepping motor to rotate together with the die, and the needle plate is lifted to finish needling.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the embodiments of this utility model and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the utility model, and it is intended to cover all modifications and variations as fall within the scope of the utility model.

Claims (10)

1. The utility model provides a cone needle loom, its characterized in that includes the frame and sets up in the main shaft in the frame, drive connect in the faller of main shaft and rotate the mould that sets up under the faller, the frame includes the base and sets up the headstock directly over the base through the brace, the main shaft pass through the bearing frame rotate set up in the headstock to through eccentric mechanism drive connect in the faller, the mould is the round platform structure, and its both ends face is vertical to be set up, the bottom surface of faller is on a parallel with the conical surface of mould, the mould pass through the mount table rotate set up in the top surface of base, the mount table includes the riser that is connected in the bottom plate of base and is close to the big footpath one end of mould through elevating system, the protruding pivot that stretches in big footpath end center of mould to connect the step motor on the riser.

2. The cone needle machine of claim 1, wherein: the support frame is close to the one end of mould and is provided with the thimble, thimble and mould coaxial setting to through adjusting the pole adjustable connection in the support frame.

3. The cone needle machine of claim 1, wherein: the lifting mechanism is fixed on the base through a base plate and comprises lifting rods which are respectively connected to the bottom surface of the bottom plate in a rotating mode.

4. The cone needle machine of claim 1, wherein: the feeding roller is arranged on one side of the top surface of the bottom plate and comprises two rollers parallel to the conical surface of the die, and a coiled material frame is arranged on the outer side of the frame, which is close to the feeding roller.

5. The cone needle machine of claim 4, wherein: the top surface of bottom plate is provided with the mounting panel that is used for the installation of feed roller, the top surface of mounting panel is the inclined plane that is parallel to the mould conical surface, feed roller pass through the roller frame slip set up in the mounting panel.

6. The cone needle machine of claim 5, wherein: the roller frame is fixed on a nut of the screw rod, and one end of the screw rod is connected with a driving motor.

7. The cone needle machine of claim 6, wherein: the two ends of the roller are respectively connected with the roller frame through bearings in a rotating way.

8. The cone needle machine of claim 1, wherein: the top of the frame is provided with a needling motor and is connected with the main shaft through a belt.

9. The cone needle machine of claim 8, wherein: the eccentric mechanism comprises an eccentric wheel sleeved on the main shaft, a connecting rod sleeved on the eccentric wheel in a rotating mode and a connecting seat connected with the connecting rod in a pin joint mode, the top end of the needle plate is connected with the connecting seat, an open pin joint groove is formed in the bottom of the connecting rod, and the top end of the connecting seat is inserted into and connected with the pin joint groove in a pin joint mode.

10. The cone needle machine of claim 1, wherein: the top of the needle plate is provided with a guide rod which is connected with the main beam in a sliding way, and the bottom of the main beam is provided with a linear bearing corresponding to the guide rod.