A rocker arm structure for a nonwoven needle punching machine

Abstract

The utility model relates to the technical field of acupuncture machines, and discloses a rocker arm structure for a non-woven fabric needle-punching machine, including a top plate, eccentric wheels are passed through and fixedly connected to the left and right sides of the outer ring of the rotating shaft, a needle plate is fixedly connected to the bottom of the fixed rod, a second motor is fixedly connected to the top of the top plate, a threaded rod is fixedly connected to the output end of the second motor, a nut pair is passed through and threadedly connected to the bottom of the outer ring of the threaded rod, a fixed plate is fixedly connected to the outer ring of the nut pair, a connecting block is fixedly connected to the left and right sides of the bottom of the fixing plate, and the connecting block is passed through and rotatably connected to the rotating shaft, and a shock absorbing structure is arranged at the bottom between the left and right sides of the support plate. In the utility model, the threaded rod is driven to rotate by the second motor, so that the nut pair drives the fixing plate and the connecting block to move upward, so that the slider drives the rocker arm structure to move upward, so that the needle-punching machine can needle non-woven fabrics of different thicknesses.

Description

Technical Field

[0001] The utility model relates to the technical field of acupuncture machines, in particular to a rocker arm structure used for a non-woven fabric acupuncture machine. Background Art

[0002] The needle loom uses a triangular or other shaped cross section with barbed hooks on the edges to repeatedly puncture the fiber web. The rocker arm structure of the nonwoven needle loom is one of the key components of the equipment. It carries and supports the needle system, controls the movement trajectory and frequency of the needle, and directly affects the quality and efficiency of the needle operation.

[0003] After searching, the existing Chinese patent announcement number is: CN218756384U, which provides a non-woven fabric needle-punching machine rocker arm structure. The patent consists of a crank rocker arm structure that drives the entire needle-punching plate through a rocker wheel, a rectangular block, a common shaft and a driving assembly. The rectangular block can be driven to move by rotating the displacement screw, thereby changing the distance between the rectangular block and the center of the rocker shaft, thereby changing the stroke of the entire crank rocker arm structure, and finally changing the displacement distance of the needle-punching plate, so that the needle-punching machine can needle fiberboards of different thicknesses.

[0004] Although the above patent can change the displacement distance of the needle punching plate so that the needle punching machine can punch fiberboards of different thicknesses, the above non-woven needle punching machine rocker arm structure still has the following problems: the displacement distance of the needle punching plate of the device is small, the versatility is poor, and the device cannot be shock-absorbing, resulting in poor stability.

[0005] In view of the above problems, a rocker arm structure for a nonwoven fabric needle loom is proposed. Utility Model Content

[0006] The utility model aims to provide a rocker arm structure for a non-woven fabric needle punching machine, which solves the problems in the background art that the displacement distance of the needle punching plate is small, the versatility is poor, the device cannot be shock-absorbed, and the stability is poor.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rocker arm structure for a non-woven fabric needle-punching machine, comprising a top plate, a support plate is fixedly connected to the left and right sides of the bottom of the top plate, a slider is penetrated and slidably connected to the middle of the support plate near the top, a rotating shaft is penetrated and rotatably connected to the left and right sides of the slider, an eccentric wheel is penetrated and fixedly connected to the left and right sides of the outer ring of the rotating shaft, a first rotating wheel is arranged at the bottom of the inner wall of the eccentric wheel, a first connecting rod is penetrated and rotatably connected to the left side of the first rotating wheel, a fixing rod is penetrated and fixedly connected to the left top of the first connecting rod, a needle plate is fixedly connected to the bottom of the fixing rod, a second motor is fixedly connected to the top of the top plate, a threaded rod is fixedly connected to the output end of the second motor, a nut pair is penetrated and threadedly connected to the bottom of the outer ring of the threaded rod, a fixing plate is fixedly connected to the outer ring of the nut pair, a connecting block is fixedly connected to the left and right sides of the bottom of the fixing plate, and the connecting block is penetrated and rotatably connected to the rotating shaft, and a shock absorbing structure is arranged at the bottom between the left and right sides of the support plate;

[0008] By adopting the above technical solution, the first motor drives the rotating shaft and the eccentric wheel to rotate, and the first rotating wheel and the second rotating wheel cooperate to make the fixed rod drive the needle plate to move up and down to perform acupuncture on the non-woven fabric. The second motor drives the threaded rod to rotate, so that the nut pair drives the fixed plate and the connecting block to move upward, thereby making the slider drive the rocker arm structure to move upward, so that the acupuncture machine can perform acupuncture on non-woven fabrics of different thicknesses.

[0009] As a further description of the above technical solution: the shock absorbing structure includes a connecting plate, the bottom left and right sides of the connecting plate are fixedly connected with dampers, the bottom of the damper is fixedly connected with a shock absorbing spring, the top left and right sides of the needle plate are fixedly connected with rubber pads, and the rubber pads are located at the bottom of the damper;

[0010] By adopting the above technical solution, the vibration generated by the needle plate is weakened by the rubber pad on the top of the needle plate in conjunction with the damper and the shock-absorbing spring, thereby improving the working stability of the needling machine.

[0011] As a further description of the above technical solution: sleeves are passed through and fixedly connected to the left and right sides of the top of the connecting plate, and the fixing rod can slide in the sleeves;

[0012] By adopting the above technical solution, the fixing rod is limited by the sleeve to prevent the needle plate from deviating when it moves up and down.

[0013] As a further description of the above technical solution: a baffle is fixedly connected to the bottom of the threaded rod;

[0014] By adopting the above technical solution, the baffle plate can prevent the nut pair from falling when it moves downward.

[0015] As a further description of the above technical solution: the inner wall of the support plate is provided with sliding grooves on both the front and rear sides, and the slider can slide in the sliding grooves;

[0016] By adopting the above technical solution, the rocker arm moves up and down by sliding the slider in the slide groove.

[0017] As a further description of the above technical solution: a first motor is fixedly connected to the right side of the slider, and an output end of the first motor is fixedly connected to the rotating shaft;

[0018] By adopting the above technical solution, the first motor drives the rotating shaft to rotate so as to rotate the eccentric wheel.

[0019] As a further description of the above technical solution: a second connecting rod is passed through and fixedly connected to the top of the right side of the fixing rod, a second rotating wheel is passed through and rotatably connected to the right side of the outer ring of the second connecting rod, and the second rotating wheel cooperates with the first rotating wheel;

[0020] By adopting the above technical solution, the fixing rod is moved up and down by the cooperation of the first rotating wheel and the second rotating wheel.

[0021] As a further description of the above technical solution: the bottom of the needle board is fixedly connected with evenly distributed needles.

[0022] By adopting the above technical solution, the nonwoven fabric can be needle-punched by the needles at the bottom of the needle board.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a rocker arm structure for a non-woven fabric needle-punching machine. First, the second motor drives the threaded rod to rotate, so that the nut pair drives the fixed plate and the connecting block to move upward, and then the slider drives the rocker arm structure to move upward, so that the needle-punching machine can needle non-woven fabrics of different thicknesses.

[0025] 2. The utility model provides a rocker arm structure for a non-woven fabric needle loom, which weakens the vibration of the needle plate by means of a rubber pad on the top of the needle plate in combination with a damper and a shock-absorbing spring, and then limits the fixed rod by a sleeve, thereby improving the working stability of the needle loom. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 2 This is a schematic diagram of the rotating shaft structure of the utility model;

[0028] Figure 3 This is a schematic diagram of the internal structure of the support plate of the utility model.

[0029] In the figure: 1. top plate; 2. support plate; 3. first motor; 4. slider; 5. rotating shaft; 6. eccentric wheel; 7. fixing rod; 8. connecting plate; 9. needle plate; 10. needle; 11. sleeve; 12. second motor; 13. first rotating wheel; 14. first connecting rod; 15. second rotating wheel; 16. second connecting rod; 17. damper; 18. shock absorbing spring; 19. rubber pad; 20. threaded rod; 21. nut pair; 22. fixing plate; 23. connecting block; 24. slide groove; 25. baffle. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0032] Combination Figure 1 and Figure 2 The utility model is a rocker arm structure for a non-woven fabric needle-punching machine, comprising a top plate 1, a support plate 2 is fixedly connected to the left and right sides of the bottom of the top plate 1, a slider 4 is penetrated and slidably connected to the middle of the support plate 2 near the top, a slide groove 24 is opened on both the front and rear sides of the inner wall of the support plate 2, and the slider 4 can slide in the slide groove 24, a rotating shaft 5 is penetrated and rotatably connected to the left and right sides of the slider 4, a first motor 3 is fixedly connected to the right side of the slider 4, and the output end of the first motor 3 is fixedly connected to the rotating shaft 5, and a biasing plate 5 is penetrated and fixedly connected to the left and right sides of the outer ring of the rotating shaft 5 The heart wheel 6 and the bottom of the inner wall of the eccentric wheel 6 are both provided with a first rotating wheel 13, a first connecting rod 14 penetrates through and is rotatably connected to the left side of the first rotating wheel 13, a fixing rod 7 penetrates through and is fixedly connected to the top of the left side of the first connecting rod 14, a second connecting rod 16 penetrates through and is fixedly connected to the top of the right side of the fixing rod 7, a second rotating wheel 15 penetrates through and is rotatably connected to the right side of the outer circle of the second connecting rod 16, and the second rotating wheel 15 cooperates with the first rotating wheel 13, a needle plate 9 is fixedly connected to the bottom of the fixing rod 7, and evenly distributed needles 10 are fixedly connected to the bottom of the needle plate 9.

[0033] Combination Figure 3 A second motor 12 is fixedly connected to the top of the top plate 1, a threaded rod 20 is fixedly connected to the output end of the second motor 12, a nut pair 21 is passed through and threadedly connected to the bottom of the outer ring of the threaded rod 20, a fixing plate 22 is fixedly connected to the outer ring of the nut pair 21, connecting blocks 23 are fixedly connected to the left and right sides of the bottom of the fixing plate 22, and the connecting blocks 23 pass through and are rotatably connected to the rotating shaft 5, and a baffle 25 is fixedly connected to the bottom of the threaded rod 20.

[0034] Combination Figure 2 A shock-absorbing structure is arranged at the bottom between the left and right sides of the support plate 2, and the shock-absorbing structure includes a connecting plate 8, and dampers 17 are fixedly connected to the left and right sides of the bottom of the connecting plate 8, and a shock-absorbing spring 18 is fixedly connected to the bottom of the damper 17, and rubber pads 19 are fixedly connected to the left and right sides of the top of the needle plate 9, and the rubber pad 19 is located at the bottom of the damper 17, and sleeves 11 are penetrated and fixedly connected to the left and right sides of the top of the connecting plate 8, and the fixing rod 7 can slide in the sleeve 11.

[0035] Working principle: When the utility model is in use, the first motor 3 drives the rotating shaft 5 and the eccentric wheel 6 to rotate, and the first rotating wheel 13 and the second rotating wheel 15 are used to make the fixed rod 7 drive the needle plate 9 to move up and down to perform acupuncture on the non-woven fabric. When the needle plate 9 moves upward, vibration is generated. The rubber pad 19 on the top of the needle plate 9 cooperates with the damper 17 and the shock-absorbing spring 18 to weaken the vibration generated by the needle plate 9, and then the fixed rod 7 is limited by the sleeve 11, so as to improve the working stability of the acupuncture machine, and the threaded rod 20 is driven to rotate by the second motor 12, so that the nut pair 21 drives the fixed plate 22 and the connecting block 23 to move upward, so that the slider 4 drives the rocker structure to move upward, so that the acupuncture machine can perform acupuncture on non-woven fabrics of different thicknesses.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rocker arm structure for a nonwoven fabric needle loom, comprising a top plate (1), characterized in that: The top plate (1) is fixedly connected to a support plate (2) on both sides of the bottom, a slider (4) is passed through and slidably connected to the middle of the support plate (2) near the top, a rotating shaft (5) is passed through and rotatably connected to the left and right sides of the slider (4), an eccentric wheel (6) is passed through and fixedly connected to the left and right sides of the outer ring of the rotating shaft (5), a first rotating wheel (13) is provided at the bottom of the inner wall of the eccentric wheel (6), a first connecting rod (14) is passed through and rotatably connected to the left side of the first rotating wheel (13), a fixing rod (7) is passed through and fixedly connected to the left top of the first connecting rod (14), and the fixed A needle plate (9) is fixedly connected to the bottom of the fixed rod (7), a second motor (12) is fixedly connected to the top of the top plate (1), a threaded rod (20) is fixedly connected to the output end of the second motor (12), a nut pair (21) is passed through and threadedly connected to the bottom of the outer ring of the threaded rod (20), a fixed plate (22) is fixedly connected to the outer ring of the nut pair (21), a connecting block (23) is fixedly connected to the left and right sides of the bottom of the fixing plate (22), and the connecting block (23) is passed through and rotatably connected to the rotating shaft (5), and a shock absorbing structure is arranged at the bottom between the left and right sides of the support plate (2).

2. The rocker arm structure for a nonwoven fabric needle loom according to claim 1, characterized in that: The shock absorbing structure comprises a connecting plate (8), the connecting plate (8) having dampers (17) fixedly connected to the left and right sides of the bottom, the damper (17) having a shock absorbing spring (18) fixedly connected to the bottom, and the needle plate (9) having rubber pads (19) fixedly connected to the left and right sides of the top, and the rubber pads (19) being located at the bottom of the damper (17).

3. The rocker arm structure for a nonwoven fabric needle loom according to claim 2, characterized in that: Sleeves (11) penetrate and are fixedly connected to the left and right sides of the top of the connecting plate (8), and the fixing rod (7) can slide in the sleeves (11).

4. The rocker arm structure for a nonwoven fabric needle loom according to claim 1, characterized in that: A baffle (25) is fixedly connected to the bottom of the threaded rod (20).

5. The rocker arm structure for a nonwoven fabric needle loom according to claim 1, characterized in that: The inner wall of the support plate (2) is provided with sliding grooves (24) on both the front and rear sides, and the sliding block (4) can slide in the sliding grooves (24).

6. The rocker arm structure for a nonwoven fabric needle loom according to claim 1, characterized in that: The right side of the sliding block (4) is fixedly connected to a first motor (3), and the output end of the first motor (3) is fixedly connected to a rotating shaft (5).

7. The rocker arm structure for a nonwoven fabric needle loom according to claim 1, characterized in that: A second connecting rod (16) passes through and is fixedly connected to the top right side of the fixed rod (7); a second rotating wheel (15) passes through and is rotatably connected to the right side of the outer ring of the second connecting rod (16); and the second rotating wheel (15) cooperates with the first rotating wheel (13).

8. The rocker arm structure for a nonwoven fabric needle loom according to claim 1, characterized in that: The bottom of the needle plate (9) is fixedly connected with evenly distributed needles (10).

Images