Self-adaptive needle grinding device

Abstract

The utility model belongs to the technical field of textile, and particularly relates to a self-adaptive needle grinding device which comprises a grinding part, a connecting rod mechanism and a pressure applying mechanism, the grinding part is provided with a grinding groove used for grinding a needle roller, and the connecting rod mechanism is used for enabling the grinding part to overcome the self-weight of the grinding part so as to suspend at any position. The pressure applying mechanism is used for pushing the grinding piece to be close to the needle roller so as to enable the grinding groove to be attached to the needle roller and applying pressure needed for grinding the needle roller to the grinding piece; the grinding piece can slightly swing according to the position of the needle roller by utilizing the connecting rod mechanism and the pressure applying mechanism which are matched with each other, so that the center of the grinding piece is always aligned with the center of the needle roller, and the swinging grinding piece has a certain buffering effect when being in contact with the needle roller, so that card clothing damage caused by direct hard contact can be avoided; and stable performance is kept during long-time operation, grinding errors caused by vibration or other factors are avoided, manual intervention is not needed in the whole grinding process, and grinding is uniform.

Description

Technical Field

[0001] The utility model belongs to the technical field of textile, and particularly relates to an adaptive needle grinding device. Background Art

[0002] In the textile industry, the raising machine plays a crucial role. Raising is to loosen, hook and cut the surface fibers of the fabric, so as to increase the fabric thickness, make it soft, improve the touch or increase the heat preservation performance, and enhance the wearing comfort. In order to achieve the ideal raising effect, it is necessary to maintain the sharpness and flatness of the needle tip.

[0003] After the raising needle is used for a period of time, due to frequent friction and wear with the fabric, the needle tip will gradually become blunt. The blunt raising needle cannot effectively pull out long and uniform fluff, resulting in a great reduction in the raising effect, and even problems such as uneven raising, short and sparse fluff may occur. This not only affects the appearance and feel of the fabric, but also reduces the warmth retention and wear resistance of the fabric, seriously affecting the product quality.

[0004] As a key device for fabric post-treatment, the running state of the raising machine directly affects the continuity and stability of the entire production line. Only by regularly grinding the needles to solve the problem of blunt raising needles can the quality and added value of the fabric be significantly improved, production interruption be avoided, and the smooth execution of the production plan be ensured.

[0005] In the prior art, generally, a needle grinding device is used to grind the needle roller of the raising machine. The needle grinding device generally includes a base, a grinding member slidably arranged on the base, and a cylinder for applying pressure to the grinding member. Therefore, the central position of the grinding member is fixed, and it cannot perform self-centering according to the position of the needle roller. Moreover, the slide rail arranged on the base generates resistance to the grinding member due to the presence of dust, oil, etc., resulting in uneven pressure applied by the grinding member to the needle roller and uneven grinding. Summary of the Utility Model

[0006] The technical problem to be solved by the utility model is: to solve the problem that in the needle grinding device in the prior art, the central position of the grinding member is fixed, and it cannot perform self-centering according to the position of the needle roller, resulting in uneven pressure applied to the needle roller and uneven grinding. Now, an adaptive needle grinding device is provided.

[0007] The technical solution adopted by the utility model to solve its technical problem is: an adaptive needle grinding device, comprising:

[0008] A grinding member having a grinding groove for grinding the needle roller;

[0009] A link mechanism for enabling the grinding member to hover at any position by overcoming its own weight;

[0010] and a pressing mechanism for pushing the grinding member towards the needle roller so that the grinding groove fits against the needle roller and applying the pressure required for grinding the needle roller to the grinding member.

[0011] Further, a top head is provided on either the output end of the pressing mechanism or the grinding member, the top head is in separable contact with the other, and the two can rotate relative to each other when in contact so that the grinding groove fits against the needle roller.

[0012] Further, a top head as described above is provided on either the output end of the pressing mechanism or the grinding member, and a pressing groove cooperating with the top head is provided on the other.

[0013] Further, a top head is provided on either the output end of the pressing mechanism or the grinding member, and a pressing groove for the top head to snap into and the two can rotate relative to each other is provided on the other.

[0014] Further, there are at least two sets of the pressing mechanisms, and at least two sets of pressing mechanisms are arranged side by side longitudinally to prevent the grinding member from rotating following the needle roller.

[0015] Further, there are at least two top heads, at least two top heads are arranged side by side longitudinally, and an elastic member is provided between each top head and the pressing mechanism.

[0016] Further, the top head is of a spherical crown, spherical segment, hemisphere or arc surface structure.

[0017] Further, there are several sets of the link mechanisms, and several link mechanisms are distributed at intervals along the axis direction of the needle roller.

[0018] Further, the pressing mechanism can be a cylinder or a hydraulic cylinder.

[0019] Further, the needle grinding device is installed on the frame, and a reciprocating drive mechanism for driving the needle grinding device to reciprocate along the axis direction of the needle roller is provided between the two. The reciprocating drive mechanism includes a motor, a gear connected to the output end of the motor, and a rack installed on the frame and meshing with the gear.

[0020] The beneficial effects of the present utility model are as follows: The present utility model utilizes the mutually cooperating link mechanism and pressing mechanism to enable the grinding member to swing slightly according to the position of the needle roller so that the grinding member stone always fits against the needle roller, and the swingable grinding member has a certain buffering effect when contacting the needle roller, which can avoid damage to the card clothing caused by direct hard contact, and maintains stable performance during long-term operation, and there will be no grinding error caused by vibration or other factors. The entire grinding process does not require manual intervention and the grinding is uniform.

[0021] Other features and advantages of the present application will become clear through the following detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings. Description of the Drawings

[0022] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 It is a schematic structural diagram of Embodiment 1;

[0024] Figure 2 It is a schematic structural diagram of Embodiment 2;

[0025] Figure 3 It is a schematic structural diagram of Embodiment 3;

[0026] Figure 4 It is a schematic structural diagram of Embodiment 4;

[0027] Figure 5 It is a schematic structural diagram of Embodiment 5;

[0028] Figure 6 It is a schematic structural diagram of Embodiment 6;

[0029] Figure 7 It is the front view of the present utility model;

[0030] In the figure:

[0031] 1. Grinding member; 101. Grinding groove; 2. Link mechanism; 3. Pressing mechanism; 4. Thrust head; 5. Pressing groove; 6. Elastic member; 7. Frame; 8. Motor; 9. Gear; 10. Rack; 11. Support; 12. Needle roller; 13. Limiting member. Detailed implementation manners

[0032] The present utility model will now be described in further detail in conjunction with the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner. Therefore, they only show the components related to the present utility model. Directions and references (such as up, down, left, right, etc.) can only be used to assist in the description of the features in the drawings. Therefore, the following specific implementation manners are not adopted in a restrictive sense, and the scope of the claimed subject matter is only defined by the appended claims and their equivalent forms.

[0033] An adaptive needle grinding device includes a support 11, a grinding member 1, a link mechanism 2 and a pressing mechanism 3:

[0034] The grinding member 1 can be, but is not limited to, an oilstone, and a frame is sleeved outside it. Adjusting screws for adjusting the installation position of the grinding member 1 are provided on the frame. A part of the grinding member 1 extends out of the frame and has a grinding groove 101 for grinding the needle roller 12. The grinding groove 101 can be, but is not limited to, arc-shaped, V-shaped, elliptical, etc.;

[0035] The connecting rod mechanism 2 is used to enable the grinding member 1 (hereinafter, the grinding member 1 refers to its combination with the frame) to overcome its own weight and hover at any position. One end of the connecting rod mechanism 2 is rotatably connected to the support 11, and the other end is rotatably connected to the grinding member 1. A limiting member 13 for restricting the swinging amplitude of the grinding member 1 is provided at the bottom of the support 11. The limiting member 13 can be, but is not limited to, a bolt, and it only needs to be arranged below the grinding member 1 and does not interfere with the normal swinging of the grinding member 1;

[0036] The pressing mechanism 3 is used to push the grinding member 1 towards the needle roller 12 so that the grinding groove 101 fits with the needle roller 12, and apply the pressure required for grinding the needle roller 12 to the grinding member 1.

[0037] When the needle roller 12 to be ground rotates to the needle grinding device, the pressing mechanism 3 pushes the grinding member 1 in the direction of the needle roller 12. During the contact process between the grinding groove 101 and the needle roller 12, the grinding member 1 can make small swings under the combined action of the pressing mechanism 3 and the connecting rod mechanism 2 according to the position of the needle roller 12 so that the grinding member 1 always fits with the needle roller 12, and apply pressure to the needle roller 12 for grinding. The grinding is uniform and does not require manual intervention. Moreover, since the grinding member 1 is installed through the connecting rod mechanism 2, during the process of the pressing mechanism 3 pushing the grinding member 1 towards the needle roller 12, the remaining additional pressure (i.e., the pressure other than the grinding pressure between the grinding member 1 and the needle roller 12) can be greatly reduced. Thus, the constant pressure control of the pressing mechanism 3 can be achieved. Compared with the prior art where the grinding member 1 is slidably installed on the base through the cooperation of a slide rail and a slider, the dust, oil stains, etc. on the slide rail will generate a large resistance to the grinding member 1, resulting in the non-constant pressure applied by the grinding member 1 to the needle roller 12. The present application improves the control accuracy of the grinding pressure, thereby improving the grinding accuracy.

[0038] In some examples, as Figure 1 shown, a top head 4 is provided on either the output end of the pressing mechanism 3 or the grinding member 1. The top head 4 is in separable contact with the other, and the two can rotate relative to each other when in contact so that the grinding groove 101 fits with the needle roller 12;

[0039] In the initial state, the output end of the pressure mechanism 3 is separated from the grinding piece 1. When grinding is required, the pressure mechanism 3 is started. When the output end of the pressure mechanism 3 contacts the grinding piece 1, the pin 4 located between the two can make the grinding piece 1 rotate in three dimensions to achieve precise positioning and contact, ensuring that the grinding needle device can accurately adjust the position between the grinding piece 1 and the needle roller 12, ensuring that the contact between the two is tight but not too tight to prevent the raising needles on the needle roller 12 from being bent, while improving the grinding effect. In addition, the rotatable grinding piece 1 has a certain buffering effect when contacting the needle roller 12, avoiding damage to the needle clothing caused by direct hard contact, and maintaining stable performance during long-term operation, without grinding errors caused by vibration or other factors. At the same time, the grinding piece 1 will not rotate with the needle roller 12 under the pressure applied by the pressure mechanism 3.

[0040] In some examples, such as Figure 2 As shown, the above-mentioned plug 4 is provided on either the output end of the pressure-applying mechanism 3 or the grinding piece 1, and a pressure groove 5 matching with the plug 4 is provided on the other. When the two are in contact, the plug 4 can rotate arbitrarily in the pressure groove 5, and the pressure groove 5 provides a fixed-point rotation position for the plug 4, thereby improving the stability of the oil head 1 during the grinding process.

[0041] In some examples, such as Figure 4 As shown, a plug 4 is provided on either the output end of the pressure mechanism 3 or the grinding piece 1, and a pressing groove 5 is provided on the other end for the plug 4 to be inserted and the two can rotate relative to each other. The plug 4 and the pressing groove 5 are respectively located on the pressure mechanism 3 and the grinding piece 1, that is, the plug 4 can be set on the pressure mechanism 3 or the grinding piece 1, and the pressing groove 5 can also be set on the pressure mechanism 3 or the grinding piece 1.

[0042] In some examples, such as Figure 3 and Figure 5 As shown, there are at least two groups of pressure mechanisms 3, and at least two groups of pressure mechanisms 3 are distributed in parallel along the longitudinal direction to prevent the grinding piece 1 from following the rotation of the needle roller 12. Here, "longitudinal" refers to the direction of gravity. During grinding, the needle roller 12 rotates, and the grinding piece 1 does not move. The two rotate relative to each other, and the friction between the two is used for grinding. Therefore, the grinding piece 1 cannot follow the rotation of the needle roller 12. The rotation of the grinding piece 1 can be further limited by multiple groups of pressure mechanisms 3.

[0043] In some examples, such as Figure 6 As shown, there are at least two plugs 4, and at least two plugs 4 are distributed in parallel along the longitudinal direction, and an elastic member 6 is provided between each plug 4 and the pressure mechanism 3. The arrangement of multiple plugs 4 can prevent the grinding piece 1 from rotating with the needle roller 12, and at the same time, due to the presence of the elastic member 6, the grinding piece 1 can swing slightly to achieve contact with the needle roller 12.

[0044] In some examples, the top 4 is a spherical cap, a spherical segment, a hemisphere or an arc surface structure, so that when the pressure mechanism 3 pushes the grinding piece 1 to press against the needle roller 12, the grinding piece 1 can swing slightly to fit with the needle roller 12.

[0045] In some examples, the connecting rod mechanism 2 is provided with several groups, and the several connecting rod mechanisms 2 are spaced apart along the axis direction of the needle roller 12. The present embodiment does not limit the number thereof, and it may be one group, two groups or three groups, etc. When the number of the connecting rod mechanisms 2 is one group, the connection point between the connecting rod mechanisms 2 and the grinding member 1 is located at the middle part of the grinding member 1 along the axis direction of the needle roller 12; when the number of the connecting rod mechanisms 2 is two groups, the connection points between the connecting rod mechanisms 2 and the grinding member 1 are located at both ends of the grinding member 1 along the axis direction of the needle roller 12 to improve the stability of the entire device; each group of the connecting rod mechanisms 2 includes several rotatably connected connecting rods; the present embodiment does not limit the number thereof, and it may be one, two or three groups, etc., and the rotation axis of two adjacent connecting rods is parallel to the axis direction of the needle roller 12.

[0046] In some examples, the pressure-applying mechanism 3 may be a pneumatic cylinder or a hydraulic cylinder, and a pressure sensor is installed on the grinding part 1. Through the sensor feedback control system, the pressure is automatically adjusted according to the deviation between the preset target value and the actual monitoring value to ensure precise control of the grinding depth and avoid excessive grinding that leads to reduced strength or shortened service life of the needle. Therefore, the input pressure can make the needle grinding machine run automatically throughout the process, achieve consistency in needle roller grinding, and do not require human intervention. It is safe and efficient, and the grinding effect is uniform and stable.

[0047] In some examples, such as Figure 7 As shown, the needle grinding device is installed on the frame 7 and a reciprocating driving mechanism for driving the needle grinding device to reciprocate along the axis direction of the needle roller 12 and a guiding mechanism for guiding the movement of the needle grinding device are provided between the two;

[0048] The reciprocating drive mechanism includes a motor 8, a gear 9 connected to the output end of the motor 8, and a rack 10 installed on the frame 7 and meshing with the gear 9; the wire guide mechanism includes a slide rail arranged on the frame 7 and extending along the axial direction of the needle roller 12, and a slider arranged on the bracket 11, the slide rail and the slider cooperate with each other, and limit switches are installed at both ends of the slide rail; start the motor 8, the motor 8 drives the gear 9 to rotate, and the reciprocating movement of the needle grinding device is driven by the meshing of the gear 9 and the rack 10. During its movement, its movement can be guided by the cooperation of the slide rail and the slider.

[0049] The above-mentioned ideal embodiments of the utility model are inspirations. Through the above-mentioned description, relevant staff can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of the utility model is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An adaptive needle grinding device, characterized in that: include: A grinding member (1) having a grinding groove (101) for grinding a needle roller (12); A connecting rod mechanism (2) is used to enable the grinding member (1) to overcome its own weight and to be suspended at any position; and a pressure mechanism (3) for pushing the grinding piece (1) toward the needle roller (12) so that the grinding groove (101) fits the needle roller (12), and applying the pressure required for grinding the needle roller (12) to the grinding piece (1).

2. The adaptive needle grinding device according to claim 1, characterized in that: A plug (4) is provided on either the output end of the pressure mechanism (3) or the grinding piece (1). The plug (4) is in detachable contact with the other and can rotate relative to each other when in contact so that the grinding groove (101) fits the needle roller (12).

3. The adaptive needle grinding device according to claim 2, characterized in that: The above-mentioned head (4) is arranged on either the output end of the pressure-applying mechanism (3) or the grinding piece (1), and a pressing groove (5) matched with the head (4) is arranged on the other.

4. The adaptive needle grinding device according to claim 1, characterized in that: A head (4) is provided on either the output end of the pressure mechanism (3) or the grinding piece (1), and a pressing groove (5) is provided on the other end for the head (4) to be inserted and for the two to rotate relative to each other.

5. The adaptive needle grinding device according to claim 1, characterized in that: There are at least two groups of the pressure applying mechanisms (3), and at least two groups of the pressure applying mechanisms (3) are distributed in parallel along the longitudinal direction to prevent the grinding element (1) from rotating along with the needle roller (12).

6. An adaptive needle grinding device according to any one of claims 2 to 4, characterized in that: There are at least two push heads (4), which are arranged in parallel along the longitudinal direction, and an elastic member (6) is provided between each push head (4) and the pressure-applying mechanism (3).

7. An adaptive needle grinding device according to any one of claims 2 to 4, characterized in that: The top head (4) is a spherical cap, a spherical segment, a hemisphere or a curved surface structure.

8. The adaptive needle grinding device according to claim 1, characterized in that: The connecting rod mechanism (2) is provided with a plurality of groups, and the plurality of connecting rod mechanisms (2) are distributed at intervals along the axis direction of the needle roller (12).

9. The adaptive needle grinding device according to claim 1, characterized in that: The pressure applying mechanism (3) may be a pneumatic cylinder or a hydraulic cylinder.

10. The adaptive needle grinding device according to claim 1, characterized in that: The needle grinding device is mounted on a frame (7), and a reciprocating drive mechanism is provided between the two for driving the needle grinding device to reciprocate along the axis direction of the needle roller (12), the reciprocating drive mechanism comprising a motor (8), a gear (9) connected to the output end of the motor (8), and a rack (10) mounted on the frame (7) and meshing with the gear (9).

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