CN218951654U - Needling machine for needling column workpieces - Google Patents
Needling machine for needling column workpieces Download PDFInfo
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- CN218951654U CN218951654U CN202223289496.8U CN202223289496U CN218951654U CN 218951654 U CN218951654 U CN 218951654U CN 202223289496 U CN202223289496 U CN 202223289496U CN 218951654 U CN218951654 U CN 218951654U
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Abstract
A needling machine for needling column workpieces relates to the technical field of needling equipment. The needle plate needle punching machine comprises a bottom support, wherein a vertical upward side machine case is respectively arranged at the left side and the right side of the bottom support, symmetrically arranged guide grooves are formed in the inner side walls of the side machine cases at the two sides, a lifting support with adjustable height is arranged between the guide grooves at the two sides, and a driving roller and two movable rollers are rotatably arranged on the lifting support.
Description
Technical Field
The utility model relates to the technical field of needling equipment, in particular to a needling machine for needling a column workpiece.
Background
The needling machine is a carpet forming device for compacting and needling a refractory fiber blanket blank with a certain thickness to form the refractory fiber blanket. The web is repeatedly pierced by a spike having a triangular or other shaped cross-section with a spike hook at the edge. 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.
According to the search, the needling machine in the prior art is used for needling a plane product, and hardly relates to a needling machine special for needling a cylindrical workpiece, and 202121206914.5 discloses an automatic carbon fiber drum needling machine which is used for needling a cylindrical workpiece through a needling mechanism, but a fiber web is covered on a drum outer mold which is fixedly arranged on a rotary driving mechanism, so that the fiber web is required to be covered and fed, and is not directly applicable to needling of the cylindrical workpiece after needling is finished.
Disclosure of Invention
The utility model aims to provide a needling machine for needling a column workpiece, which can effectively solve the problems in the background technology.
The technical scheme for achieving the purpose is as follows: the workpiece is clamped in the clamping cavity, the needle plate corresponds to the gap between the two movable rollers up and down, the width of the needle plate is slightly smaller than the gap between the two movable rollers in a workpiece clamping state, the first driving motor is used for driving the driving roller, the two movable rollers and the workpiece positioned in the clamping cavity to rotate, and the needling power mechanism is used for driving the needle plate to downwards needle the rotating workpiece along the gap between the movable rollers;
the left end and the right end of the lifting support are respectively provided with a chute which is in sliding fit with the end parts of the two movable rollers, the chutes at the two ends of the lifting support are all arranged in a V-shaped structure, the outer side walls at the two ends of the lifting support are respectively provided with a movable roller displacement driving mechanism positioned in a case at the corresponding side part, the movable roller displacement driving mechanism is used for driving the two movable rollers to synchronously slide along the chute, and the two ends of the movable rollers are rotatably arranged between the movable roller displacement driving mechanisms at the two sides.
Further, the movable roller displacement driving mechanism comprises a telescopic driver, the telescopic driver is arranged between two movable rollers, the telescopic end of the telescopic driver is vertically upwards, the telescopic end of the telescopic driver is connected with a connecting plate which is arranged in a T shape with the telescopic driver, and the bottom of the connecting plate is provided with a horizontally arranged sliding rail;
the two ends of the movable roller outwards extend out of the lifting support and are respectively connected with a bearing seat in a rotating manner, the bearing seats are respectively connected with sliding blocks through the connecting seats, two sliding blocks at the same end of the two movable rollers are respectively arranged at two ends of a sliding rail at the bottom of the connecting plate at the corresponding end in a sliding manner, the telescopic driver is used for driving the connecting plate and the sliding blocks arranged on the connecting plate to lift, and the sliding blocks slide along the corresponding sliding rails when lifting, so that the two movable rollers are driven to slide along the sliding grooves.
Further, the needling power mechanism comprises a main shaft rotatably arranged in a top chassis, needle beam driving eccentric connecting rods are respectively arranged on two sides of the main shaft, push rods are respectively hinged to the lower ends of the needle beam driving eccentric connecting rods, and a second driving motor for driving the main shaft to rotate is connected to the top of the top chassis;
guide sleeves are respectively arranged on two sides of the bottom of the top chassis, and push rods at the lower ends of the needle beams on two sides drive the eccentric connecting rods vertically downwards penetrate through the guide sleeves on the corresponding sides respectively and are fixedly connected with the needle beams.
Further, one end of the driving roller and one end of the two movable rollers are connected with chain wheels in the side machine boxes at the corresponding ends, and the chain wheels are connected through chain transmission.
Further, the lifting support comprises sliding plates which are arranged in the guide grooves of the side machine boxes in a sliding fit mode, and a cross beam is fixedly connected between the front side and the rear side of each sliding plate.
Further, the lifting driving mechanism comprises a plurality of worm wheel screw lifting assemblies which are arranged in a row, each worm wheel screw lifting assembly comprises a worm gear reducer, the worm of each worm gear reducer is horizontally arranged and connected through a connecting shaft, the worm wheel axis of each worm gear reducer is vertically upwards and is in threaded connection with a vertically upwards screw rod, the upper end of each screw rod is connected with a lifting support through a connecting seat, and a third driving motor which is connected with the worm of one worm gear reducer in a transmission manner is further installed on the bottom support.
The utility model has the beneficial effects that:
when the utility model works, the column parts are placed in the clamping cavity formed between the driving roller and the movable roller, the movable roller is driven by the telescopic driver to cling downwards to the column parts, then the driving roller is driven by the first driving motor to rotate, the driving roller drives the two movable rollers to synchronously rotate through the transmission of the chain wheel, the workpiece clamped between the driving roller and the movable roller is driven to rotate, and meanwhile, the second driving motor drives the main shaft to rotate, and the main shaft drives the eccentric connecting rod to drive the connecting rod to move up and down through the needle beam, so that the needle plate is driven to reciprocate up and down to perform needling on the column workpiece along the gap between the movable rollers.
The utility model fills the blank of the column workpiece needling technology, can be suitable for the needling requirements of column parts with different diameters, and has simple and convenient loading and unloading.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic view of the structure in the side chassis;
FIG. 4 is a schematic diagram of a movable roller displacement driving mechanism;
fig. 5 is a schematic structural view of the driving roller and the two movable rollers which are connected through chain wheels and chains in a transmission way.
Detailed Description
As shown in fig. 1-5, the needle punching machine comprises a bottom bracket 1, wherein the left side and the right side of the bottom bracket 1 are respectively provided with a side machine box 2 which is vertically upwards, a top machine box 3 is arranged between the top ends of the side machine boxes 2, a needling power mechanism 4 is arranged in the top machine box 3, the needling power mechanism 4 belongs to the conventional configuration of the existing needle punching machine, the needle punching machine comprises a main shaft 4.1 which is rotatably arranged in the top machine box 3, the top of the top machine box 3 is provided with a second driving motor 4.9 which is in transmission connection with the main shaft 4.1, the two sides of the main shaft 4.1 are respectively provided with a needle beam driving eccentric connecting rod 4.2, the lower ends of the needle beam driving eccentric connecting rods 4.2 are respectively hinged with push rods 4.3, the two sides of the bottom of the top machine box 3 are respectively provided with guide sleeves 4.4, the push rods 4.3 at the lower ends of the needle beam driving eccentric connecting rods 2.3 at the two sides vertically downwards pass through the guide sleeves 4.4 at the corresponding sides respectively, the needle beam 4.5 is connected with a needle bar 4.6.
The inner side walls of the machine cases of the side parts 2 on the two sides are provided with symmetrically arranged guide grooves 2.1, and a rotary driving and clamping mechanism with adjustable height is arranged between the guide grooves 2.1 on the two sides.
The rotary driving and clamping mechanism comprises a lifting bracket 5, wherein the lifting bracket 5 comprises sliding plates 5.1 which are arranged in guide grooves 2.1 of the lateral machine boxes 2 at two sides in a sliding fit mode, and cross beams 5.2 are fixedly connected between the front side and the rear side of the sliding plates 5.1 respectively.
The driving roller 7 is rotatably arranged between the sliding plates 5.1, two movable rollers 8 which are symmetrically arranged by taking the driving roller 7 as a symmetry center are arranged above the driving roller 7, the driving roller 7 and the two movable rollers 8 are positioned between the cross beams 5.2 at the same time, and a clamping cavity for clamping a workpiece is formed between the driving roller 7 and the movable rollers 8.
The workpiece is clamped in the clamping cavity between the driving roller 7 and the movable roller 8, the gap positions between the needle plate 4.6 and the two movable rollers 8 are vertically corresponding, and the width of the needle plate 4.6 is slightly smaller than the gap between the two movable rollers 8 in a workpiece clamping state.
The two ends of the driving roller 7 extend into the side machine boxes 2 at the corresponding ends respectively, the bottom of the right end of the lifting bracket 5 is provided with a first driving motor 15, and an output shaft of the first driving motor 15 extends into the side machine boxes 2 at the right end and is in transmission connection with the right end of the driving roller 7 (particularly but not limited to the prior conventional transmission modes such as a chain, a belt, a gear and the like).
Further, a notch 20 is formed in the inner side wall of the side casing 2 at the right end, so that the output shaft of the first driving motor 15 can be driven by rotation and the clamping mechanism can be lifted synchronously.
The sliding plates 5.1 are respectively provided with sliding grooves 5.2 which are in sliding fit with the end parts of the two movable rollers 7, the sliding grooves 5.2 on the sliding plates 5.1 are all in V-shaped structural arrangement, the outer side walls of the sliding plates 5.1 are respectively provided with movable roller displacement driving mechanisms 9 positioned in the corresponding side machine boxes 2, and the movable roller displacement driving mechanisms 9 are used for driving the two movable rollers 8 to synchronously slide along the sliding grooves 5.2 so as to clamp workpieces.
The movable roller displacement driving mechanism 9 comprises a telescopic driver 9.1 which is installed on the outer wall of the corresponding sliding plate 5.1 through a support 21, the telescopic driver 9.1 can be but is not limited to an air cylinder, the telescopic driver 9.1 is installed between two movable rollers 8, the telescopic end of the telescopic driver 9.1 is vertically upwards, a connecting plate 9.2 which is arranged in a T shape with the telescopic driver 9.1 is connected to the telescopic end of the telescopic driver 9.1, and a horizontally arranged sliding rail 9.3 is arranged at the bottom of the connecting plate 9.2.
The two ends of the movable roller 8 outwards extend out of the sliding plates 5.1 at the corresponding ends and are respectively connected with a bearing seat 10 in a rotating manner, the bearing seats 10 are respectively connected with sliding blocks 12 through connecting seats 11, two sliding blocks 12 at the same end of the two movable rollers 8 are respectively arranged at two ends of a sliding rail 9.3 at the bottom of a connecting plate 9.2 at the corresponding end in a sliding manner, a telescopic driver 9.1 is used for driving the connecting plate 9.2 and the sliding blocks 12 arranged on the connecting plate 9.2 to lift, and the sliding blocks 12 slide along the corresponding sliding rails 9.3 while lifting, so that the two movable rollers 8 are driven to slide along the sliding grooves 5.2.
One end of the driving roller 7 and one end of the two movable rollers 8 are connected with chain wheels 13 positioned in the side machine case 2 at the corresponding end, the chain wheels 13 are in transmission connection through a chain 14, a chain tensioner 15 for tensioning the chain upwards is further installed on a sliding plate 5.1 in the chain 14, and the chain tensioner 15 belongs to the prior art and is not described in detail herein.
Install the lift actuating mechanism 6 that drive lifting support goes up and down 5 on the bottom support 1, lift actuating mechanism 6 is used for driving rotary drive and fixture to go up and down to adjust acupuncture degree of depth, lift actuating mechanism 6 is including corresponding the one row worm wheel lead screw lifting assembly who sets up in crossbeam 5.2 below respectively, and worm wheel lead screw lifting assembly belongs to prior art, adopts at patent number for example: 201420114116.3, the worm wheel screw lifting assembly 6.1 comprises worm and gear speed reducers 6.2, the worm of the worm and gear speed reducers 6.2 is horizontally arranged and connected through a connecting shaft 6.5, the worm wheel axis of the worm and gear speed reducer 6.2 is vertically upwards and is in threaded connection with a vertically upwards screw rod 6.3, the upper end of the screw rod is connected with a corresponding cross beam 5.2 through a connecting seat 6.4, and a third driving motor 6.6 connected with the worm of one worm and gear speed reducer 6.2 in a transmission manner is further installed on the bottom bracket 1.
When the utility model works, the column parts are placed in a clamping cavity formed between the driving roller 7 and the movable roller 8, the connecting plate 9.2 is driven to downwards by the telescopic drivers 9.1 at the two ends, the connecting plate 9.2 drives the two movable rollers 5.3 which are in sliding connection with the connecting plate 9.2 to downwards cling to the column parts by the sliding blocks 12, and the movable rollers 5.3 downwards slide along the sliding grooves 5.2 to the opposite sides at the same time.
During needling, the first driving motor 15 drives the driving roller 7 to rotate, the driving roller 7 drives the two movable rollers 7 to synchronously rotate, so that the workpiece is driven to rotate, meanwhile, the second driving motor 4.9 drives the main shaft 4.1 to rotate, and the main shaft 4.1 drives the push rod 4.3 to reciprocate up and down through the needle beam to drive the needle plate 4 to reciprocate up and down along the gap between the two movable rollers 8 to perform needling on the column workpiece.
After needling is completed, the telescopic driver 9.1 drives the two movable rollers 5.3 upwards, and the workpiece after needling is taken out to replace a new workpiece to be needled.
Claims (6)
1. A needling machine for needling post-like workpieces, characterized in that: the needle bar is characterized by comprising a bottom bracket, wherein the left side and the right side of the bottom bracket are respectively provided with a side cabinet which is vertically upwards, a top cabinet is arranged between the top ends of the side cabinets, a needling power mechanism is arranged in the top cabinet, the lower end of the needling power mechanism extends out of the top cabinet and is connected with a needle beam, and the bottom surface of the needle beam is connected with a needle plate;
the inner side walls of the side cases at two sides are provided with symmetrically arranged guide grooves, a lifting support with adjustable height is arranged between the guide grooves at two sides, and a lifting driving mechanism for driving the lifting support to lift is arranged on the bottom support;
the lifting support is rotatably provided with a driving roller, the lifting support is provided with a first driving motor for driving the driving roller to rotate, two movable rollers which are symmetrically arranged by taking the driving roller as a symmetrical center are arranged above the driving roller, the driving roller is in transmission connection with the two movable rollers, and a clamping cavity for clamping a workpiece is formed between the driving roller and the movable rollers;
the workpiece is clamped in the clamping cavity, the needle plate corresponds to the gap between the two movable rollers up and down, the width of the needle plate is slightly smaller than the gap between the two movable rollers in a workpiece clamping state, the first driving motor is used for driving the driving roller, the two movable rollers and the workpiece positioned in the clamping cavity to rotate, and the needling power mechanism is used for driving the needle plate to downwards needle the rotating workpiece along the gap between the movable rollers;
the left end and the right end of the lifting support are respectively provided with a chute which is in sliding fit with the end parts of the two movable rollers, the chutes at the two ends of the lifting support are all arranged in a V-shaped structure, the outer side walls at the two ends of the lifting support are respectively provided with a movable roller displacement driving mechanism positioned in a case at the corresponding side part, the movable roller displacement driving mechanism is used for driving the two movable rollers to synchronously slide along the chute, and the two ends of the movable rollers are rotatably arranged between the movable roller displacement driving mechanisms at the two sides.
2. A needling machine for needling of cylindrical workpieces as defined in claim 1, wherein: the movable roller displacement driving mechanism comprises a telescopic driver, the telescopic driver is arranged between two movable rollers, the telescopic end of the telescopic driver is vertically upwards, the telescopic end of the telescopic driver is connected with a connecting plate which is arranged in a T shape with the telescopic driver, and the bottom of the connecting plate is provided with a horizontally arranged sliding rail;
the two ends of the movable roller outwards extend out of the lifting support and are respectively connected with a bearing seat in a rotating manner, the bearing seats are respectively connected with sliding blocks through the connecting seats, two sliding blocks at the same end of the two movable rollers are respectively arranged at two ends of a sliding rail at the bottom of the connecting plate at the corresponding end in a sliding manner, the telescopic driver is used for driving the connecting plate and the sliding blocks arranged on the connecting plate to lift, and the sliding blocks slide along the corresponding sliding rails when lifting, so that the two movable rollers are driven to slide along the sliding grooves.
3. A needling machine for needling of cylindrical workpieces as defined in claim 1, wherein: the needling power mechanism comprises a main shaft rotatably arranged in a top chassis, needle beam driving eccentric connecting rods are respectively arranged on two sides of the main shaft, push rods are respectively hinged to the lower ends of the needle beam driving eccentric connecting rods, and a second driving motor for driving the main shaft to rotate is connected to the top of the top chassis;
guide sleeves are respectively arranged on two sides of the bottom of the top chassis, and push rods at the lower ends of the needle beams on two sides drive the eccentric connecting rods vertically downwards penetrate through the guide sleeves on the corresponding sides respectively and are fixedly connected with the needle beams.
4. A needling machine for needling of cylindrical workpieces as defined in claim 1, wherein: one end of the driving roller and one end of the two movable rollers are connected with chain wheels in the side machine cases at the corresponding ends, the chain wheels are connected through chain transmission, and a chain tensioner for tensioning the chain is further arranged on a lifting bracket in the chain.
5. A needling machine for needling of cylindrical workpieces as defined in claim 1, wherein: the lifting support comprises sliding plates which are arranged in guide grooves of the side machine boxes in a sliding fit mode, and a cross beam is fixedly connected between the front side and the rear side of each sliding plate.
6. A needling machine for needling of cylindrical workpieces as defined in claim 5, wherein: the lifting driving mechanism comprises a plurality of worm wheel screw rod lifting assemblies which are arranged in a row, each worm wheel screw rod lifting assembly comprises worm wheel worm speed reducers, worms of the worm wheel worm speed reducers are horizontally arranged and connected through connecting shafts, worm wheel axes of the worm wheel worm speed reducers are vertically upwards and are in threaded connection with vertically upwards screw rods, the upper ends of the screw rods are connected with lifting brackets through connecting seats, and a third driving motor which is connected with the worm transmission of one worm wheel worm speed reducer is further installed on a bottom bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223289496.8U CN218951654U (en) | 2022-12-08 | 2022-12-08 | Needling machine for needling column workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223289496.8U CN218951654U (en) | 2022-12-08 | 2022-12-08 | Needling machine for needling column workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218951654U true CN218951654U (en) | 2023-05-02 |
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ID=86104008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223289496.8U Active CN218951654U (en) | 2022-12-08 | 2022-12-08 | Needling machine for needling column workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218951654U (en) |
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2022
- 2022-12-08 CN CN202223289496.8U patent/CN218951654U/en active Active
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