A needle loom for producing glass fiber needle mat

Abstract

The utility model discloses a kind of needle-punching machines for producing glass fiber needle-punched felt, including installation fixing frame, needle-punching part is installed on installation fixing frame, needle-punching part is driven under the driving of up-down driving device and moves up-down;The needle-punching part includes upper mounting piece, and the upper mounting piece includes the side plate of four around and the top plate of side plate upper end, and bottom plate is installed in the lower opening of upper mounting piece, and upper mounting piece and bottom plate form a hollow box body;Needle penetrates the top plate and bottom plate of upper mounting piece, and the middle position of needle is fixed with baffle ring, baffle ring is in abutment on the upper surface of bottom plate, and the upper end of needle is equipped with positioning sleeve, and the positioning sleeve is installed on the top plate of upper mounting piece, and a section of needle on baffle ring upper end is equipped with spring.The utility model can be needle-punched up-down stable movement, make needle-punching stroke fixed, and needle-punching effect is better;Moreover, it is convenient to replace after needle-punching damage.

Description

Technical Field

[0001] This utility model relates to a needle punching machine for producing glass fiber needle-punched mat, and belongs to the technical field of needle punching machines for glass fiber needle-punched mat. Background Technology

[0002] A needle-punching machine is a blanket-forming device that compacts and needle-punches a refractory fiber blanket blank of a certain thickness to form a refractory fiber blanket. It utilizes needles with triangular or other shaped cross-sections and barbs on their edges to repeatedly pierce the fiber web. The fiber web, fed into the needle-punching machine from a cross-linking or air-laid machine, is very loose, possessing only a certain strength generated by the cohesion between fibers, but this strength is very weak. When multiple needles pierce the fiber web, the barbs on the needles cause the fibers on the surface and subsurface of the web to move from the planar direction to the perpendicular direction of the web, causing the fibers to shift vertically. This vertical displacement of fibers exerts a certain amount of pressure on the web, causing the fibers within the web to clump together and be compressed. Needle-punching machines are required in the production process of glass fiber needle-punched mat.

[0003] The existing acupuncture machines have the following technical problems in actual use: First, the needles are prone to wear or damage after long-term use, and are not easy to replace; Second, in the existing technology, the driving component for the up-and-down movement of the needle includes a spring, which drives the needle to vibrate up and down under the action of the spring. This up-and-down vibration mode is unstable, the needle stroke is not fixed, and the acupuncture effect is not good.

[0004] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] To address the shortcomings of the prior art, this utility model provides a needle punching machine for producing glass fiber needle-punched felt, which allows the needles to move stably up and down, thus fixing the needle punching stroke and improving the needle punching effect; moreover, it is easy to replace damaged needles.

[0006] To solve the above technical problems, the present invention adopts the following technical solution: A needle punching machine for producing glass fiber needled mat includes a mounting frame, on which a needle punching device is mounted, and the needle punching device moves up and down under the drive of an up and down driving device. The acupuncture unit includes an upper mounting component, which includes a rectangular side plate and a top plate at the upper end of the side plate. A bottom plate is installed at the lower opening of the upper mounting component, and the upper mounting component and the bottom plate form a hollow box. The needle penetrates the top and bottom plates of the upper mounting component. A retaining ring is fixed in the middle of the needle and abuts against the upper surface of the bottom plate. A positioning sleeve is fitted on the upper end of the needle and is installed on the top plate of the upper mounting component. A spring is fitted on the section of the needle above the retaining ring.

[0007] Furthermore, the needle-punching section is equipped with multiple needles arranged in rows and columns.

[0008] Furthermore, the outer side of the positioning sleeve is provided with threads, and the positioning sleeve is installed on the top plate of the mounting component by means of the threads.

[0009] Furthermore, the upper and lower driving device includes a drive shaft, with a cam at each end of the drive shaft. The drive shaft is driven by a drive motor. A connecting column is vertically fixed on each side of the needle-punching part. A roller is rotatably installed at the lower end of the connecting column, and the roller cooperates with the cam.

[0010] Furthermore, the cam includes two protrusions that are oriented at opposite angles.

[0011] Furthermore, sliding rods are provided on both sides of the mounting bracket, and sliding sleeves are fixed on the side plates of the needle-punching part, with the sliding sleeves cooperating with the sliding rods.

[0012] Furthermore, it also includes a conveyor frame, with a conveyor roller at each of the front and rear ends, and glass fiber needle-punched felt is conveyed between the two conveyor rollers.

[0013] Furthermore, a needle is not installed at a certain width in the middle of the acupuncture part.

[0014] Furthermore, a support roller is provided on the lower surface of the glass fiber needled felt on the conveyor frame, and the support roller is positioned directly opposite the middle of the needled part.

[0015] Compared with the prior art, the present invention, by adopting the above technical solution, has the following advantages: A connecting column is vertically fixed on each side of the acupuncture unit. A roller is rotatably mounted on the lower end of each connecting column. The roller engages with a cam; the rotation of the cam drives the roller to move up and down, thereby causing the acupuncture unit to vibrate vertically. The cam mechanism ensures stable vertical movement of the acupuncture unit, fixing the acupuncture stroke and improving the acupuncture effect.

[0016] The needle penetrates the top and bottom plates of the mounting component. A retaining ring is fixed in the middle of the needle, abutting against the upper surface of the bottom plate. A positioning sleeve is fitted onto the upper end of the needle, and the outer side of the positioning sleeve is threaded. The positioning sleeve is threaded onto the top plate of the mounting component. To disassemble the needle, simply unscrew the positioning sleeve and remove the needle and spring together; replacement is very convenient.

[0017] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the needle-punching component and the cam.

[0019] In the picture, 1-Conveyor frame, 2-Transmitter roller, 3-Mounting frame, 4-Sliding rod, 5-Needle-punching component, 6-Sliding sleeve, 7-Upper mounting component, 8-Base plate, 9-Needle, 10-Steel retaining ring, 11-Positioning sleeve, 12-Spring, 13-Connecting column, 14-Roller, 15-Cam, 16-Drive motor, 17-Idler roller. Detailed Implementation

[0020] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.

[0021] like Figure 1-2 As shown, this utility model provides a needle punching machine for producing glass fiber needle punched mat, including a mounting frame 3, on which a needle punching part 5 is mounted, and the needle punching part 5 moves up and down under the drive of an up and down driving device. The needle-piercing assembly 5 includes an upper mounting component 7, which includes a rectangular side plate and a top plate at the upper end of the side plate. A bottom plate 8 is installed at the lower opening of the upper mounting component 7, and the upper mounting component 7 and the bottom plate 8 form a hollow box. The needle 9 penetrates the top plate and the bottom plate 8 of the upper mounting component 7. A retaining ring 10 is fixed at the middle position of the needle 9 and abuts against the upper surface of the bottom plate 8. A positioning sleeve 11 is fitted at the upper end of the needle 9 and is installed on the top plate of the upper mounting component 7. A spring 12 is fitted at the upper end of the needle 9 above the retaining ring 10.

[0022] Multiple needles 9 are installed on the needle-punching part 5, and the needles 9 are arranged in rows and columns.

[0023] The positioning sleeve 11 has threads on its outer side, and the positioning sleeve 11 is installed on the top plate of the mounting part 7 by the threads. When disassembling the needle 9, simply unscrew the positioning sleeve 11 and remove the needle 9 and spring 12 together, making replacement very convenient.

[0024] The up-and-down driving device includes a drive shaft with a cam 15 at each end. The drive shaft is driven by a drive motor 16. A connecting column 13 is vertically fixed on each side of the needle-piercing assembly 5. A roller 14 is rotatably mounted on the lower end of each connecting column 13. The roller 14 cooperates with the cam 15; the rotation of the cam 15 drives the roller 14 to move up and down, thereby causing the needle-piercing assembly 5 to vibrate up and down. The cam 15 ensures stable up-and-down movement of the needle-piercing assembly 5, fixing the needle stroke and improving the needle-piercing effect.

[0025] The cam 15 includes two protrusions that are 180 degrees apart. When the protrusions contact the roller 14, they push the roller 14 to move upward.

[0026] The mounting bracket 3 has sliding rods 4 on both sides, and a sliding sleeve 6 is fixed on the side plate of the needle-punching part 5. The sliding sleeve 6 cooperates with the sliding rod 4, and the two cooperate to guide and support and fix the needle-punching part 5.

[0027] This utility model also includes a conveyor frame 1, with a conveyor roller 2 at each of the front and rear ends of the conveyor frame 1, and glass fiber needle-punched felt is conveyed between the two conveyor rollers 2.

[0028] A needle 9 is not provided at a certain width in the middle of the needle part 5 to avoid the drive shaft between the two cams 15.

[0029] A support roller 17 is provided on the lower surface of the glass fiber needled felt on the conveyor frame 1. The support roller 17 is directly opposite the middle position of the needled part 5. The support roller 17 is used to support the glass fiber needled felt, so that the needled effect is better.

[0030] The above description provides examples of the preferred embodiments of this utility model. Any aspects not detailed herein are common knowledge to those skilled in the art. The scope of protection of this utility model is determined by the claims. Any equivalent modifications based on the technical teachings of this utility model are also within the scope of protection of this utility model.

Claims

1. A needle punching machine for producing glass fiber needle-punched mat, characterized in that: It includes a mounting bracket (3), on which a needle-punching part (5) is mounted, and the needle-punching part (5) moves up and down under the drive of the up and down driving device; The needle-punching assembly (5) includes an upper mounting part (7), which includes a rectangular side plate and a top plate at the upper end of the side plate. A bottom plate (8) is installed at the lower opening of the upper mounting part (7), and the upper mounting part (7) and the bottom plate (8) form a hollow box. The needle (9) penetrates the top plate and bottom plate (8) of the upper mounting part (7). A retaining ring (10) is fixed in the middle of the needle (9). The retaining ring (10) abuts against the upper surface of the bottom plate (8). A positioning sleeve (11) is fitted on the upper end of the needle (9). The positioning sleeve (11) is installed on the top plate of the upper mounting part (7). A spring (12) is fitted on the upper part of the needle (9) above the retaining ring (10).

2. The needle punching machine for producing glass fiber needle-punched mat as described in claim 1, characterized in that: Multiple needles (9) are installed on the needle-punching unit (5), and the needles (9) are arranged in rows and columns.

3. The needle punching machine for producing glass fiber needle-punched mat as described in claim 1, characterized in that: The outer side of the positioning sleeve (11) is threaded, and the positioning sleeve (11) is installed on the top plate of the mounting component (7) by means of the thread.

4. The needle punching machine for producing glass fiber needle-punched mat as described in claim 1, characterized in that: The upper and lower driving device includes a drive shaft, with a cam (15) at each end of the drive shaft. The drive shaft is driven by a drive motor (16). A connecting column (13) is vertically fixed on each side of the needle-punching part (5). A roller (14) is rotatably installed at the lower end of the connecting column (13). The roller (14) cooperates with the cam (15).

5. The needle punching machine for producing glass fiber needle-punched mat as described in claim 4, characterized in that: The cam (15) includes two protrusions that are (180) degrees apart.

6. The needle punching machine for producing glass fiber needle-punched mat as described in claim 1, characterized in that: The mounting bracket (3) has sliding rods (4) on both sides, and a sliding sleeve (6) is fixed on the side plate of the needle-punching part (5). The sliding sleeve (6) cooperates with the sliding rod (4).

7. The needle punching machine for producing glass fiber needle-punched mat as described in claim 1, characterized in that: It also includes a conveyor frame (1), with a conveyor roller (2) at each end of the front and rear of the conveyor frame (1), and glass fiber needle-punched felt is conveyed between the two conveyor rollers (2).

8. The needle punching machine for producing glass fiber needle-punched mat as described in claim 7, characterized in that: A needle (9) is not placed at a certain width in the middle of the needle-punching part (5).

9. The needle punching machine for producing glass fiber needle-punched mat as described in claim 8, characterized in that: A roller (17) is provided on the lower surface of the glass fiber needled felt on the conveyor frame (1), and the roller (17) is positioned directly opposite the middle of the needled part (5).

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