CN210711993U - Vibration-damping needling machine for non-woven fabric - Google Patents

Vibration-damping needling machine for non-woven fabric Download PDF

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CN210711993U
CN210711993U CN201921219284.8U CN201921219284U CN210711993U CN 210711993 U CN210711993 U CN 210711993U CN 201921219284 U CN201921219284 U CN 201921219284U CN 210711993 U CN210711993 U CN 210711993U
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needling
vibration
connecting rod
damping
main shaft
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徐志强
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Suzhou Swan Lake Felt Co ltd
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Suzhou Swan Lake Felt Co ltd
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Abstract

A vibration-damping needling machine for non-woven fabrics comprises a feeding mechanism, a needling mechanism, a traction mechanism, a box body and a frame, wherein the feeding mechanism and the traction mechanism are respectively arranged on two sides of the box body; the needling mechanism comprises an eccentric wheel mechanism, a power mechanism, a connecting rod mechanism and a needling component. A damping needle loom for non-woven fabrics, degree of automation is high, simple structure, the installation and debugging is convenient, the operation elasticity of system is big, feeding, acupuncture, drawing are quick, reliable and stable, acupuncture is effectual to the vibration range of machine significantly reduces, and the life-span of machine improves, effectively overcomes the appearance of vibration, has improved acupuncture efficiency and acupuncture quality effectively.

Description

Vibration-damping needling machine for non-woven fabric
Technical Field
The utility model relates to a needle loom field, concretely relates to damping needle loom for non-woven fabrics.
Background
The needling technique originated in 1850 years, its principle was simple, production cycle was short, and it can be used to produce a variety of medium-thickness products, a typical method for consolidating nonwoven webs. Early needled products were mostly coarse quality mats for furniture upholstery, home furnishings, and the like, with materials consisting primarily of clothing and fiber trim. Nowadays, due to the continuous development of needling technology, the application of needling products has penetrated from clothing, agriculture to various industries such as industry, medical treatment, national defense and the like, for example, automobile ceiling cloth, filter materials, insulating materials, operating gowns, protective clothing, sterilization wrap, masks, high-performance fiber body armor, bullet-proof gun cloth, military map base cloth and the like.
Nonwoven fabrics are also known as nonwoven materials, nonwoven fabrics or nonwoven fabrics, and the nonwoven fabric production technology is a production and processing technology which is originated from textile and surpasses textile, while the needle punching method is only one of the most typical methods for mechanically reinforcing the nonwoven fabric web. Compared with nonwoven products reinforced by other methods, the needle-punched nonwoven product not only has outstanding stability and durability, but also has a large adjustment range of tear strength and tensile strength, and is one of the most important dry-process nonwoven processing methods. More than 45 percent of dry-process non-woven fabrics produced in the world every year are produced by a needling technology, and the dry-process non-woven fabrics account for more than 30 percent in China. The needling technology has developed very rapidly since the twentieth century because of the characteristics of simple production equipment, short processing flow period, low capital investment, wide product application range and the like. The production process of the new products of various new materials processed by the needle punching method is successfully tested, so that a new field is provided for the application of the needle punching method, and a new platform is added.
When the needling machine works, the vibration of the needling machine comprises meshing vibration of a gear train, vibration caused by a motor, vibration caused by misalignment of a transmission shaft, vibration caused by inertia when a needle plate is needled up and down, vibration caused by load borne during needling and the like, but the largest vibration source is vibration caused by needling motion. For a machine tool of a needling machine, severe vibration can cause deformation of the machine tool body, influence the assembly precision of parts, reduce the production efficiency, intensify the abrasion degree of the parts and reduce the service life of the machine tool; the severe vibration can even cause fatigue fracture of the main shaft to cause serious safety accidents, and serious loss is caused to factories. For humans, long-term exposure to vibration and noisy environments is a hazard to the body of workers.
Chinese patent application No. CN201810675484.8 discloses a needle machine for producing endless nonwoven fabric, which can efficiently produce endless nonwoven fabric with uniform performance, and can prevent loose fibers carried out by needles from polluting air in a workshop, without improving machine vibration, needling efficiency and needling quality.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the above not enough, the utility model aims at providing a damping needle loom for non-woven fabrics, degree of automation is high, simple structure, and installation and debugging are convenient, and the operation elasticity of system is big, and feeding, acupuncture, drawing are quick, and reliable and stable, acupuncture is effectual to the vibration range of machine significantly reduces, and the life-span of machine improves, effectively overcomes the appearance of vibration, has improved acupuncture efficiency and acupuncture quality effectively.
The technical scheme is as follows: a vibration-damping needling machine for non-woven fabrics comprises a feeding mechanism, a needling mechanism, a traction mechanism, a box body and a frame, wherein the feeding mechanism and the traction mechanism are respectively arranged on two sides of the box body; the needling mechanism comprises an eccentric wheel mechanism, a power mechanism, a connecting rod mechanism and a needling component; the power mechanism is connected with one side of the eccentric wheel mechanism, the lower end of the eccentric wheel mechanism is connected with the connecting rod mechanism, and the connecting rod mechanism and the needling component are sequentially connected from top to bottom.
A damping needle loom for non-woven, including feeding mechanism, needling mechanism, drive mechanism, box, frame. The lapping device is an upstream, the non-woven fabric fiber web conveyed out of the lapping device enters a needling component of the needling mechanism through a feeding mechanism, an eccentric wheel mechanism is rotated through a power mechanism, a connecting rod mechanism is driven to slide up and down under the action of the eccentric wheel mechanism, the needling component is further driven to reciprocate up and down, the non-woven fabric fiber web in the needling component is needled, the needling is carried out in such a reciprocating manner, namely the whole reinforcing process of the non-woven fabric fiber web is achieved, and after the needling is completed, the reinforced non-woven fabric fiber web is conveyed out through a traction mechanism.
Furthermore, the vibration reduction needling machine for the non-woven fabric comprises two groups of eccentric wheel mechanisms, wherein each group of eccentric wheel mechanisms comprises a main shaft, an eccentric wheel, a first supporting bearing, a first bearing seat, a second supporting bearing and a second bearing seat; the eccentric wheel is sleeved on the main shaft, the first supporting bearing and the first bearing seat are assembled together and installed at one end of a longitudinal beam of the rack, the second supporting bearing and the second bearing seat are assembled together and installed at the other end of the longitudinal beam of the rack, one end of the main shaft is fixed on the longitudinal beam of the rack through the first supporting bearing and the first bearing seat, and the other end of the main shaft penetrates through the longitudinal beam of the rack through the second supporting bearing and the second bearing seat.
The main parts of the eccentric wheel mechanism are a main shaft and an eccentric wheel, and the main part and the eccentric wheel drive the other parts to reciprocate. The eccentric mechanism is two sets of, and the work burden greatly reduced of every eccentric machine of group like this to weight and size can both be reduced to a certain extent, so both can improve equipment's life, also can improve the efficiency of operation. The two groups of eccentric machines adopt a reverse driving mode, and the most obvious characteristic of the driving mode is that the influence of unbalanced force in the horizontal direction can be reduced. Therefore, the unbalanced force on the level can be offset to a certain degree, the vibration amplitude of the machine is greatly reduced, the service life of the machine is prolonged, and the occurrence of vibration is effectively overcome.
Furthermore, the vibration reduction needling machine for the non-woven fabric is characterized in that the number of the eccentric wheels is two, 2 balance wheels are further arranged between every two eccentric wheels, and the balance wheels are sleeved on the main shaft.
And balance wheels are arranged between the eccentric wheels of each group, so that the influence of unbalanced force in the horizontal direction is further reduced, the vibration amplitude of the machine is greatly reduced, the service life of the machine is prolonged, and the occurrence of vibration is effectively overcome.
Furthermore, the above vibration reduction needling machine for the non-woven fabric further comprises two cranks, wherein the cranks are sleeved on the eccentric wheel through crank bearings.
Furthermore, the vibration reduction needling machine for the non-woven fabric comprises two groups of power mechanisms, wherein each group of power mechanisms comprises a main motor and a belt wheel, and the main motor is connected with the belt wheel; the belt wheel is arranged outside the longitudinal beam of the rack, the main shaft vertically penetrates through the longitudinal beam of the rack and is connected with the main shaft, and the belt wheel drives the main shaft.
The main shaft is supported by bearings (a first bearing and a second bearing) at two ends, and the bearings (the first bearing and the second bearing) and the bearing seats (the first bearing and the second bearing) are assembled together and then are installed on a longitudinal beam of the frame.
Furthermore, the link mechanism comprises a connecting rod, a guide sleeve and a crank connecting rod connecting plate, wherein the guide sleeve is vertically arranged on the center frame of the rack, the guide sleeve is matched with the connecting rod and is sleeved on the connecting rod, the connecting rod is connected with the crank through the crank connecting rod connecting plate, and the number of the connecting rods is two.
The main shaft drives the eccentric wheel to rotate, the crank swings under the action of the eccentric wheel, the crank drives the connecting rod to move in the swinging process, and the connecting rod can only slide up and down due to the restraint of the guide sleeve, so that the needling mechanism is driven to reciprocate up and down.
Furthermore, the vibration reduction needling machine for the non-woven fabric comprises a needling beam, a needle plate, a screen stripping plate and a screen supporting plate; the upper part of the needle beam is connected with the bottom of the connecting rod (231), the needle plate is arranged at the lower part of the needle beam, the screen stripping plate is arranged below the needle plate and horizontally fixed on longitudinal beams at two ends of the rack, and the screen supporting plate is arranged below the screen stripping plate; the needle plate is provided with needles.
The part connected with the bottom end of the connecting rod is a needle beam, the needle beam drives a pricking needle assembled on the needle plate to realize the needling of the fiber web between the web peeling plate and the web supporting plate in the movement process, namely, a balance wheel and an eccentric wheel on a main shaft are driven to rotate by a main motor through the driving of the belt wheel to the main shaft, the rotating motion of the main shaft is converted into the up-and-down reciprocating motion of the connecting rod through the combined action of the eccentric wheel, the connecting rod and a guide sleeve, and finally the reciprocating needling effect of the pricking needle is realized.
Further, in the vibration-damping needling machine for the non-woven fabric, the box body is formed by welding thin steel plates, and concrete is poured in the thin steel plates; shock absorption blocks are arranged below four corners of the box body; the frame is of a steel plate welding structure.
The box body is actually a concrete sandwich box body, the whole box body of the box body is formed by welding thin steel plates, and concrete is poured and filled in the middle of the thin steel plates. When pouring, the supporting frames are placed on the two sides of the box body, and after concrete is solidified, the steel plates on the two sides are welded. The gravity density of steel is 78 KN/cubic meter and the gravity density of concrete is 24 KN/cubic meter. The frequency of the concrete sandwich box body is higher, the concrete sandwich box body is far away from the excitation frequency of a system, resonance can be better avoided, and a better vibration reduction effect is achieved. Moreover, the concrete sandwich box body has lighter weight and saves more cost because the density of the concrete is smaller. And shock absorption blocks are arranged at four corners of the box body so as to ensure the balance of the vibration-damping needling machine for non-woven fabric during up-and-down high-frequency reciprocating motion.
Furthermore, the vibration-damping needling machine for the non-woven fabric is characterized in that the edge of each needling needle is provided with a barb, and the cross section of each barb is triangular.
Furthermore, the feeding mechanism comprises a motor, a chain, a first roller and a second roller, wherein a chain wheel on the motor is connected with the chain and drives the chain wheel on the first roller through the chain, the first roller rotates and drives a gear on the first roller to be meshed with a gear on the second roller, and the structure of the traction mechanism is the same as that of the feeding mechanism.
Through the feeding mechanism, the loose non-woven fabric fiber web can pass through the rollers and is stably conveyed to the position between the mesh stripping plate and the mesh supporting plate so as to be used for the reciprocating needling reinforcement of the non-woven fabric fiber web.
The utility model has the advantages that:
(1) the automatic paper needling machine has the advantages of high automation degree, simple structure, convenience in installation and debugging, large operation elasticity of the system, integration of three functions of feeding, needling and traction, quickness, stability, reliability, quickness, stability and reliability, and good needling effect;
(2) the two groups of eccentric wheel mechanisms greatly reduce the workload, and the weight and the size can be reduced to a certain extent, so that the service life of the equipment can be prolonged, and the operation efficiency can be improved; the two groups of eccentric machines adopt a reverse driving mode, and the most obvious characteristic of the driving mode is that the influence of unbalanced force in the horizontal direction can be reduced. Therefore, the unbalanced force on the level is counteracted to a certain degree, the vibration amplitude of the machine is greatly reduced, the service life of the machine is prolonged, and the occurrence of vibration is effectively overcome;
(3) balance wheels are arranged between each group of eccentric wheels, so that the influence of unbalanced force in the horizontal direction is further reduced, the vibration amplitude of the machine is greatly reduced, the service life of the machine is prolonged, and the occurrence of vibration is effectively overcome;
(4) the box body is actually a concrete sandwich box body, the whole box body of the box body is formed by welding thin steel plates, and concrete is poured and filled in the middle of the thin steel plates. The frequency of the concrete sandwich box body is higher, the excitation frequency of the system is kept away from more, resonance can be better avoided, a better vibration reduction effect is achieved, in addition, the density of concrete is smaller, so the quality of the concrete sandwich box body is lighter, the cost is saved more, and damping blocks are installed at four corners of the box body, so that the balance of the vibration reduction needling machine for the non-woven fabric during up-and-down high-frequency reciprocating motion is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of a vibration-damping needling machine for nonwoven fabrics according to the present invention;
FIG. 2 is a schematic structural view of a set of eccentric wheel mechanism and power mechanism of the vibration-damping needling machine for non-woven fabrics according to the present invention;
in the figure: the needle punching machine comprises a feeding mechanism 1, a motor 11, a chain 12, a first roller 13, a second roller 14, a needle punching mechanism 2, an eccentric wheel mechanism 21, a main shaft 211, an eccentric wheel 212, a first supporting bearing 213, a first bearing seat 214, a second supporting bearing 215, a second bearing seat 216, a balance wheel 217, a crank 218, a crank bearing 2181, a power mechanism 22, a main motor 221, a belt wheel 222, a connecting rod mechanism 23, a connecting rod 231, a guide sleeve 232, a crank connecting rod connecting plate 233, a needle punching component 24, a needle beam 241, a needle 2411, a needle plate 242, a needle punching 2411, a stripping plate 243, a screen supporting plate 244, a traction mechanism 3, a box 4, a damping block 41, a frame 5, a longitudinal beam 51 and.
Detailed Description
The present invention will be further elucidated with reference to the accompanying drawings 1-2 and examples.
The vibration reduction needling machine for the non-woven fabric with the structure shown in fig. 1 and 2 comprises a feeding mechanism 1, a needling mechanism 2, a traction mechanism 3, a box body 4 and a machine frame 5, wherein the feeding mechanism 1 and the traction mechanism 3 are respectively arranged at two sides of the box body 4, the needling mechanism 2 and the machine frame 5 are arranged inside the box body 4, the feeding mechanism 1, the needling mechanism 2 and the traction mechanism 3 are sequentially connected, and the needling mechanism 2 is arranged on the machine frame 5; the needling mechanism 2 comprises an eccentric wheel mechanism 21, a power mechanism 22, a connecting rod mechanism 23 and a needling component 24; the power mechanism 22 is connected with one side of the eccentric wheel mechanism 21, the lower end of the eccentric wheel mechanism 21 is connected with the connecting rod mechanism 23, and the connecting rod mechanism 23 and the needling component 24 are sequentially connected from top to bottom.
Further, as shown in fig. 2, the eccentric wheel mechanisms 21 are divided into two groups, and each group of the eccentric wheel mechanisms 21 includes a main shaft 211, an eccentric wheel 212, a first support bearing 213, a first bearing seat 214, a second support bearing 215, and a second bearing seat 216; the eccentric wheel 212 is sleeved on the main shaft 211, the first support bearing 213 and the first bearing seat 214 are assembled together and mounted at one end of the longitudinal beam 51 of the frame 5, the second support bearing 215 and the second bearing seat 216 are assembled together and mounted at the other end of the longitudinal beam 51 of the frame 5, one end of the main shaft 211 is fixed on the longitudinal beam 51 of the frame 5 through the first support bearing 213 and the first bearing seat 214, and the other end of the main shaft 211 penetrates through the longitudinal beam 51 of the frame 5 through the second support bearing 215 and the second bearing seat 216.
Moreover, as shown in fig. 1 and 2, there are two eccentric wheels 212, and there are 2 balance wheels 217 between each set of eccentric wheels 212, and the balance wheels 217 are sleeved on the main shaft 211. The two power mechanisms 22 are provided, each power mechanism 22 comprises a main motor 221 and a belt wheel 222, and the main motor 221 is connected with the belt wheel 222; the belt pulley 222 is disposed outside the longitudinal beam 51 of the frame 5, the main shaft 211 vertically penetrates through the longitudinal beam 51 of the frame 5 to be connected with the main shaft, and the belt pulley 222 drives the main shaft 211.
In addition, as shown in fig. 1 and 2, the link mechanism 23 includes a link 231, a guide sleeve 232, and two crank link connection plates 233, the guide sleeve 232 is vertically installed on the central frame 52 of the rack 5, the guide sleeve 232 is matched with the link 231 and sleeved on the link 231, the link 231 is connected to the crank 218 through the crank link connection plate 233, and the number of the links 231 is two.
Further, as shown in fig. 1, the needling assembly 24 includes a needle beam 241, a needle board 242, a screen peeling board 243, a screen supporting board 244; the upper part of the needle beam 241 is connected with the bottom of the connecting rod 231, the needle plate 242 is installed at the lower part of the needle beam 241, the screen stripping plate 243 is arranged below the needle plate 242 and horizontally fixed on the longitudinal beams 51 at the two ends of the rack 5, and the screen supporting plate 244 is arranged below the screen stripping plate 243; the needle plate 242 is provided with needles 2411.
Further, the box body 4 is formed by welding thin steel plates, and concrete is poured in the middle of the thin steel plates; shock absorption blocks 41 are arranged below four corners of the box body 4; the frame 5 is of a steel plate welding structure. The edge of the puncture needle 2411 is provided with a barb, and the section of the barb is triangular.
Further, as shown in fig. 1, the feeding mechanism 1 includes a motor 11, a chain 12, a first roller 13, and a second roller 14, a sprocket on the motor 11 is connected to the chain 12 and drives the sprocket on the first roller 13 through the chain 12, the first roller 13 rotates and drives a gear on the first roller 13 to mesh with a gear on the second roller 14, and the traction mechanism 3 and the feeding mechanism 1 have the same structure.
Examples
The lapping device is upstream, the non-woven fabric fiber net conveyed out of the lapping device enters the feeding mechanism 1, a chain wheel on a motor 11 is connected with a chain 12, the chain wheel on the first roller 13 is driven by the chain 12 to enable the first roller 13 to rotate, the first roller rotates to drive a gear on the first roller 13 to be meshed with a gear on the second roller 14, so that the second roller 14 rotates, the non-woven fabric fiber net enters the needling component 24 of the needling mechanism 2, and the fluffy non-woven fabric fiber net can pass between the rollers and the feeding mechanism 1 and can be conveyed to the position between the mesh stripping plate 243 and the mesh supporting plate 244 smoothly to be reinforced by the reciprocating needling of the non-woven fabric fiber net.
The main shaft 211 is driven to rotate by the driving action of the main motor 221 on the power mechanism 22 and acts on the belt pulley 222, the main shaft 211 drives the eccentric wheel 212 to rotate, the crank 218 swings under the action of the eccentric wheel 212, the crank 218 drives the connecting rod 231 to move in the swinging process, the connecting rod 231 can only slide up and down due to the constraint of the guide sleeve 232, so that the needling component 24 is driven to reciprocate up and down, the needle beam 241 in the needling component 24 drives the felting needles 2411 assembled on the needle plate 242 to realize the needling of the non-woven fabric fiber web between the screen peeling plate 243 and the screen supporting plate 244, the needling is repeated in such a way, the whole reinforcing process of the non-woven fabric fiber web is obtained, and after the needling is completed, the reinforced non-woven fabric fiber web is conveyed out through the traction mechanism 3.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, any combination between the embodiments of the present invention can be made, and the same shall be considered as the disclosure of the present invention as long as it does not violate the idea of the present invention.

Claims (10)

1. A vibration reduction needling machine for non-woven fabrics is characterized by comprising a feeding mechanism (1), a needling mechanism (2), a traction mechanism (3), a box body (4) and a rack (5), wherein the feeding mechanism (1) and the traction mechanism (3) are respectively arranged on two sides of the box body (4), the needling mechanism (2) and the rack (5) are arranged inside the box body (4), the feeding mechanism (1), the needling mechanism (2) and the traction mechanism (3) are sequentially connected, and the needling mechanism (2) is arranged on the rack (5); the acupuncture mechanism (2) comprises an eccentric wheel mechanism (21), a power mechanism (22), a connecting rod mechanism (23) and an acupuncture component (24); one side of the eccentric wheel mechanism (21) is connected with the power mechanism (22), the lower end of the eccentric wheel mechanism (21) is connected with the connecting rod mechanism (23), and the connecting rod mechanism (23) and the needling component (24) are sequentially connected from top to bottom.
2. The vibration damping needling machine for nonwovens of claim 1, characterized in that the eccentric wheel mechanisms (21) are in two groups, each group of eccentric wheel mechanisms (21) comprising a main shaft (211), an eccentric wheel (212), a first support bearing (213), a first bearing block (214), a second support bearing (215), a second bearing block (216); the eccentric wheel (212) is sleeved on the main shaft (211), the first support bearing (213) and the first bearing seat (214) are assembled together and installed at one end of a longitudinal beam (51) of the rack (5), the second support bearing (215) and the second bearing seat (216) are assembled together and installed at the other end of the longitudinal beam (51) of the rack (5), one end of the main shaft (211) is fixed on the longitudinal beam (51) of the rack (5) through the first support bearing (213) and the first bearing seat (214), and the other end of the main shaft (211) penetrates through the second support bearing (215) and the second bearing seat (216) and is arranged on the longitudinal beam (51) of the rack (5).
3. The vibration-damping needling machine for nonwovens of claim 2, characterized in that there are two eccentrics (212), there are also balance wheels (217) between each set of eccentrics (212), there are 2 balance wheels (217), and the balance wheels (217) are sleeved on the main shaft (211).
4. Vibration-damping needling machine for nonwovens according to claim 2, characterized in that the eccentric mechanism (21) further comprises a crank (218), the crank (218) being journalled on the eccentric (212) by means of a crank bearing (2181), the number of cranks (218) being two.
5. The vibration damping needling machine for nonwovens of claim 2, characterized in that the power mechanisms (22) are in two groups, each group of power mechanisms (22) comprising a main motor (221), a pulley (222), the main motor (221) being connected with the pulley (222); the belt wheel (222) is arranged outside a longitudinal beam (51) of the frame (5), the main shaft (211) vertically penetrates through the longitudinal beam (51) of the frame (5) to be connected with the main shaft, and the belt wheel (222) drives the main shaft (211).
6. The vibration-damping needling machine for nonwovens of claim 4, characterized in that the linkage mechanism (23) comprises a connecting rod (231), a guide sleeve (232) and a crank connecting rod connecting plate (233), the guide sleeve (232) is vertically mounted on the central frame (52) of the frame (5), the guide sleeve (232) is matched with the connecting rod (231) and sleeved on the connecting rod (231), the connecting rod (231) is connected with the crank (218) through the crank connecting rod connecting plate (233), and the number of the connecting rods (231) is two.
7. A vibration-damping needling machine for nonwovens according to claim 4, characterized in that the needling assembly (24) comprises a needle beam (241), a needle board (242), a web-stripping board (243), a web-supporting board (244); the upper part of the needle beam (241) is connected with the bottom of the connecting rod (231), the needle plate (242) is installed at the lower part of the needle beam (241), the screen stripping plate (243) is arranged below the needle plate (242) and horizontally fixed on longitudinal beams (51) at two ends of the rack (5), and the screen supporting plate (244) is arranged below the screen stripping plate (243); the needle plate (242) is provided with needles (2411).
8. The vibration-damping needling machine for nonwovens of claim 1, characterized in that the box (4) is welded from sheet steel and concrete is poured in between the sheet steel; shock absorption blocks (41) are arranged below four corners of the box body (4); the frame (5) is of a steel plate welding structure.
9. The vibration-damping needling machine for nonwovens of claim 7, characterized in that the edges of the needles (2411) are provided with barbs, the cross section of which is triangular.
10. The vibration-damping needling machine for nonwovens of claim 1, characterized in that the feeding mechanism (1) comprises a motor (11), a chain (12), a first roller (13) and a second roller (14), a sprocket on the motor (11) is connected with the chain (12) and drives the sprocket on the first roller (13) through the chain (12), the first roller (13) rotates and drives a gear on the first roller (13) to be meshed with a gear on the second roller (14), and the traction mechanism (3) and the feeding mechanism (1) are identical in structure.
CN201921219284.8U 2019-07-31 2019-07-31 Vibration-damping needling machine for non-woven fabric Active CN210711993U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113584726A (en) * 2021-08-02 2021-11-02 苏州德崧净化有限公司 Acupuncture mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113584726A (en) * 2021-08-02 2021-11-02 苏州德崧净化有限公司 Acupuncture mechanism

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