Fixing device for rolling disc of spinning frame

Abstract

The utility model relates to the technical field of textile equipment, in particular to a spinning frame rolling disc fixing device, a sleeve is fixed on a rolling disc in a penetrating mode, a plurality of positioning grooves are distributed on the edge of a left port of the sleeve at equal angles, external threads are integrally formed on the outer side wall of the sleeve, and a fixing sleeve is movably sleeved on the left port of the sleeve. A plurality of protruding edges are integrally formed on the outer wall of the fixing sleeve in an equal-angle distribution mode, the inner threads are integrally formed on the inner wall of the fixing sleeve, the inner threads and the outer threads are mutually screwed, the multiple supporting arms are arranged at the left end of the interior of the sleeve, the supporting arms and the positioning grooves are arranged in a one-to-one correspondence mode, and the limiting blocks are fixedly arranged on the supporting arms. The limiting blocks are movably inserted into the positioning grooves; by arranging the limiting clamping jaw structure capable of being automatically opened and the triggering type clamping lock structure, the clamping jaw structure can be popped out for locking after the rolling disc is screwed in to a certain position, and therefore rotation deviation between the rolling disc and the fixing structure is limited.

Description

Technical Field

[0001] The utility model relates to the technical field of textile equipment, in particular to a spinning frame roller fixing device. Background Art

[0002] There is a roller of a spinning machine, which is connected to the power shaft of the equipment by a threaded connection. This makes it easy for the roller to deviate from the shaft during operation, causing the thread to loosen. As a result, the roller will deviate or even fall off after a long period of operation. In the prior art, installing the roller by threaded connection is a mature and applicable connection method. If it is replaced with a fixed connection, it will have an adverse effect on the use and subsequent maintenance of the equipment. In this regard, it is now planned to improve the corresponding locking structure based on the threaded connection. Utility Model Content

[0003] The purpose of the utility model is to address the defects and shortcomings of the prior art and provide a spinning machine roller fixing device, which provides a limiting claw structure that can be automatically opened and a trigger-type locking structure, so that after the roller is rotated to a certain position, the claw structure can be popped out to lock it, thereby limiting the rotational deviation between the roller and the fixing structure.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] It comprises a roller, wherein a sleeve is fixedly mounted on the roller, and the sleeve is coaxially arranged with the roller, a plurality of positioning grooves are arranged at equal angles on the left end of the sleeve, and an external screw thread is integrally formed on the outer wall of the sleeve, and it also comprises:

[0006] A fixed sleeve, wherein the movable sleeve of the fixed sleeve is arranged on the left end of the sleeve, and a plurality of convex ridges are integrally formed and distributed at equal angles on the outer wall of the fixed sleeve;

[0007] Internal thread, the internal thread is integrally formed and arranged on the inner wall of the fixed sleeve, and the internal thread and the external thread are mutually rotated;

[0008] Support arms, wherein the support arms are arranged at the inner left end of the sleeve in a plurality, and the support arms are arranged in a one-to-one correspondence with the positioning grooves;

[0009] The limit block is fixedly arranged on the support arm and movably inserted in the positioning groove.

[0010] Preferably, a mounting sleeve is fixedly provided on the left end of the fixing sleeve, and the inner diameter of the mounting sleeve is larger than the inner diameter of the fixing sleeve. A mounting frame is fixedly provided on the inner end wall of the mounting sleeve, and the support arm is rotated on the mounting frame through a rotating shaft with a torsion spring.

[0011] Preferably, a connecting arm is fixedly provided on the supporting arm, and the connecting arm is arranged inside the sleeve.

[0012] Preferably, a protrusion is fixedly provided on one end of the connecting arm away from the supporting arm, and two elastic cards are fixedly provided in a group on the mounting frame, and the connecting arm is matched with two elastic cards in a group through the protrusion.

[0013] Preferably, a ring frame is provided in the installation sleeve, and the outer diameter of the ring frame is larger than the inner diameter of the sleeve, a guide frame is fixedly provided on the inner wall of the ring frame, and the guide frame is movably mounted on the outside of the installation frame, a clamping frame is fixedly provided on the guide frame, and the clamping frame is provided in cooperation with the elastic card.

[0014] Preferably, a guide rod is fixedly provided on the inner end wall of the installation sleeve, the clamping frame is movably inserted into the guide rod, a spring is sleeved on the guide rod, and the spring clamp is arranged between the end wall of the installation sleeve and the clamping frame.

[0015] Compared with the prior art, the beneficial effect of the utility model is that a spinning machine roller fixing device described in the utility model is provided with a limit claw structure that can be automatically opened and a trigger-type locking structure, so that the claw structure can be popped out to lock it after the roller is rotated to a certain position, thereby limiting the rotational offset between the roller and the fixing structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 yes Figure 1 Right front side view.

[0018] Figure 3 It is a structural schematic diagram of a roller and a sleeve in the utility model.

[0019] Figure 4 It is a structural schematic diagram of a fixing sleeve and an installation sleeve in the utility model.

[0020] Figure 5 It is a structural schematic diagram of a sleeve, a fixing sleeve, a supporting arm and a limiting block in the utility model.

[0021] Figure 6 It is a structural schematic diagram of the mounting frame, the supporting arm and the connecting arm in the utility model.

[0022] Figure 7 It is a structural schematic diagram of the ring frame, the supporting frame and the clamping frame in the utility model.

[0023] Figure 8 It is a structural schematic diagram of the installation sleeve, the installation frame and the guide rod in the utility model.

[0024] Description of reference numerals:

[0025] Roller 1, sleeve 2, positioning groove 3, external screw thread 4, fixing sleeve 5, convex ridge 6, internal screw thread 7, support arm 8, limit block 9, mounting sleeve 10, mounting frame 11, connecting arm 12, protrusion 13, elastic card 14, ring frame 15, guide frame 16, clamping frame 17, guide rod 18, spring 19. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the utility model.

[0027] Embodiment 1:

[0028] like Figure 1-8 As shown, this embodiment includes a roller 1, wherein a sleeve 2 is fixedly disposed on the roller 1, and the sleeve 2 is coaxially arranged with the roller 1, and a plurality of positioning grooves 3 are provided at equal angles on the left end edge of the sleeve 2, and an external screw thread 4 is integrally formed on the outer wall of the sleeve 2, and it also includes:

[0029] A fixed sleeve 5, wherein the fixed sleeve 5 is movably mounted on the left end of the sleeve 2, and a plurality of convex ridges 6 are integrally formed and distributed at equal angles on the outer wall of the fixed sleeve 5;

[0030] An internal thread 7, wherein the internal thread 7 is integrally formed and arranged on the inner wall of the fixing sleeve 5, and the internal thread 7 and the external thread 4 are mutually rotated;

[0031] The mounting sleeve 10 is integrally formed and arranged at the left end of the fixing sleeve 5, and the inner diameter of the mounting sleeve 10 is larger than the inner diameter of the fixing sleeve 5;

[0032] A mounting frame 11, wherein the mounting frame 11 is fixedly disposed on the inner end wall of the mounting sleeve 10;

[0033] A support arm 8, wherein the support arm 8 is rotatably mounted on the mounting frame 11 via a rotating shaft with a torsion spring, and the support arm 8 is pushed toward the inner wall of the mounting sleeve 10 by the torsion spring on the rotating shaft to provide a tensioning force;

[0034] A limit block 9, wherein the limit block 9 is fixedly arranged on an end of the support arm 8 away from the mounting frame 11, and the limit block 9 is movably inserted into the positioning groove 3;

[0035] A connecting arm 12, wherein the connecting arm 12 is fixedly disposed on the supporting arm 8;

[0036] Elastic cards 14, wherein two elastic cards 14 are arranged in the same group, and the elastic cards 14 are fixedly arranged on the mounting frame 11;

[0037] A protrusion 13, wherein the protrusion 13 is fixedly disposed on an end of the connecting arm 12 away from the supporting arm 8, and when the supporting arm 8 is rotated and closed, the protrusion 13 on the connecting arm 12 is sandwiched between two elastic cards 14;

[0038] A ring frame 15, wherein the ring frame 15 is arranged in the mounting sleeve 10, and the outer diameter of the ring frame 15 is larger than the inner diameter of the sleeve 2;

[0039] A guide frame 16, wherein the guide frame 16 is fixedly mounted on the inner wall of the ring frame 15, and the guide frame 16 is movably mounted on the mounting frame 11;

[0040] A clamping frame 17, wherein the clamping frame 17 is fixedly disposed on the guide frame 16, and the clamping frame 17 is clamped outside a group of two elastic cards 14;

[0041] A guide rod 18, wherein the guide rod 18 is fixedly disposed on the inner end wall of the mounting sleeve 10, and the guide rod 18 is movably inserted into the clamping frame 17;

[0042] The spring 19 is sleeved on the guide rod 18 , and the spring 19 is clamped between the end plate of the mounting sleeve 10 and the clamping frame 17 .

[0043] After adopting the technical solution disclosed in the utility model, it can achieve:

[0044] When using the device, when the roller 1 is not installed, the support arm 8 is retracted and the protrusion 13 on the connecting arm 12 is clamped by the elastic card 14, and the spring 19 pushes the clamping frame 17 to extend and clamp the elastic card 14; when installing the roller 1, the end of the sleeve 2 of the roller 1 with the external screw thread 4 is inserted into the fixed sleeve 5, and the roller 1 is rotated so that the external screw thread 4 is meshed and rotated with the internal screw thread 7, so that the sleeve 2 is inserted into the fixed sleeve 5, and when the sleeve 2 is against the ring frame 15 and continues to be inserted into the installation sleeve 10, the sleeve 2 pushes the ring frame 15, and then drives the guide frame 16 through the ring frame 15, and drives the clamping frame 17 to move away from the elastic card 14 through the guide frame 16, when the clamping frame 17 is separated from the elastic card 1 4, the elastic card 14 opens and disengages from the protrusion 13, so that the support arm 8 pops up and makes the limit block 9 abut against the inner wall of the sleeve 2, and then the sleeve 2 continues to rotate until the positioning groove 3 and the limit block 9 are connected, and the limit block 9 is inserted into the positioning groove 3, so that the sleeve 2 is locked by the support arm 8 and the limit block 9, so that the sleeve 2 is connected with the fixed sleeve 5 through a threaded connection, and the taper limit is achieved by locking the support arm 8, that is, the installation connection between the roller 1 and the fixed sleeve 5 is completed; when disassembling the roller 1, the connecting arm 12 is pushed by the tool, so that the connecting arm 12 pushes the support arm 8 to rotate so that the limit block 9 is moved out of the positioning groove 3, and then the roller 1 is rotated in the opposite direction to pull the sleeve 2 out of the fixed sleeve 5.

[0045] The technical advantages that can be achieved by adopting the above technical solution are as follows:

[0046] 1. The device realizes the fixed installation of the roller 1 on the fixing sleeve 5 by connecting the sleeve 2 on the roller 1 with the fixing sleeve 5. The sleeve 2 is provided with a positioning groove 3. A pop-up structure is provided on the fixing sleeve 5 through the mounting sleeve 10, so that the limiting block 9 on the support arm 8 is inserted into the positioning groove 3 to realize the locking of the sleeve 2.

[0047] 2. The device is provided with a connecting arm 12 with a protrusion 13 on the support arm 8, and the connecting arm 12 is locked by an elastic card 14. A movable ring frame 15 is provided in the mounting sleeve 10, and a clamping frame 17 is provided on the ring frame 15 through a guide frame 16. The elastic card 14 is clamped by the clamping frame 17, so that after the sleeve 2 is inserted and the ring frame 15 is pushed, the clamping claw is separated from the elastic card 14, so that the elastic card 14 is opened, that is, the limit block 9 is popped out.

[0048] For those skilled in the art, they can modify the technical solutions recorded in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A spinning machine roller fixing device, comprising a roller (1), wherein a sleeve (2) is inserted and fixed on the roller (1), and the sleeve (2) and the roller (1) are coaxially arranged, and a plurality of positioning grooves (3) are arranged at equal angles on the left end edge of the sleeve (2), and an external screw thread (4) is integrally formed on the outer wall of the sleeve (2); characterized in that: It also contains: A fixed sleeve (5), wherein the fixed sleeve (5) is movably mounted on the left end of the sleeve (2), and a plurality of ridges (6) are integrally formed and distributed at equal angles on the outer wall of the fixed sleeve (5); An internal thread (7), wherein the internal thread (7) is integrally formed and arranged on the inner wall of the fixing sleeve (5), and the internal thread (7) and the external thread (4) are mutually screwed; Support arms (8), wherein a plurality of support arms (8) are arranged at the inner left end of the sleeve (2), and the support arms (8) and the positioning grooves (3) are arranged in a one-to-one correspondence; A limit block (9), wherein the limit block (9) is fixedly arranged on the support arm (8), and the limit block (9) is movably inserted into the positioning groove (3).

2. A spinning frame roller fixing device according to claim 1, characterized in that: A mounting sleeve (10) is fixedly arranged at the left end of the fixing sleeve (5), and the inner diameter of the mounting sleeve (10) is larger than the inner diameter of the fixing sleeve (5). A mounting frame (11) is fixedly arranged on the inner end wall of the mounting sleeve (10), and the support arm (8) is rotatably arranged on the mounting frame (11) via a rotating shaft with a torsion spring.

3. A spinning frame roller fixing device according to claim 2, characterized in that: A connecting arm (12) is fixedly arranged on the support arm (8), and the connecting arm (12) is arranged inside the sleeve (2).

4. A spinning frame roller fixing device according to claim 3, characterized in that: A protrusion (13) is fixedly provided on one end of the connecting arm (12) away from the supporting arm (8), and two elastic cards (14) are fixedly provided on the mounting frame (11) in a group, and the connecting arm (12) is matched with the two elastic cards (14) in a group through the protrusion (13).

5. A spinning frame roller fixing device according to claim 4, characterized in that: A ring frame (15) is arranged inside the installation sleeve (10), and the outer diameter of the ring frame (15) is larger than the inner diameter of the sleeve (2); a guide frame (16) is fixedly arranged on the inner wall of the ring frame (15), and the guide frame (16) is movably arranged outside the installation frame (11); a clamping frame (17) is fixedly arranged on the guide frame (16), and the clamping frame (17) is arranged in cooperation with the elastic card (14).

6. A spinning frame roller fixing device according to claim 5, characterized in that: A guide rod (18) is fixedly arranged on the inner end wall of the installation sleeve (10), and the clamping frame (17) is movably inserted into the guide rod (18). A spring (19) is sleeved on the guide rod (18), and the spring (19) is clamped between the end wall of the installation sleeve (10) and the clamping frame (17).

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