Crushing cutter for polyester staple fiber production

Abstract

The utility model discloses a crushing cutter for polyester staple fiber production, which comprises a cutter head and a shaft hole, the shaft hole penetrates through the center of the cutter head, openings are uniformly distributed on the cutter head in a penetrating manner and are far away from the shaft hole, a sliding seat is sleeved on the openings in a sliding manner, a blade is mounted on the sliding seat, and the cutter head is provided with a plurality of blades. The adjusting mechanism is arranged on one side, close to the opening, of the lower portion of the cutter head, the adjusting mechanism is fixedly connected with the sliding seat, and the adjusting mechanism controls the sliding seat to slide in the opening. The problem that in the prior art, the exposed length of the blade cannot be adjusted is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of crushing knives, in particular to a crushing knife for producing polyester staple fibers. Background Art

[0002] Polyester staple fiber is a type of polyester fiber. Polyester staple filaments are polyester staple fibers, which can be divided into cotton-type staple fibers (length 38 mm) and wool-type staple fibers (length 56 mm). When the polyester staple fibers on the market are processed, they must first be cut and crushed. However, the blade distance of the existing crushing knife cannot be adjusted, and the exposed length of the blade cannot be adjusted according to needs, thereby adjusting the cutting length of the polyester staple fibers. Therefore, a crushing knife for polyester staple fiber production is proposed. Utility Model Content

[0003] The utility model aims to overcome the problem in the prior art that the exposed length of the blade cannot be adjusted, and to provide a polyester staple fiber production pulverizing knife which controls the movement of a slide in an opening through an adjustment mechanism, thereby driving the movement of the blade to meet the use requirements.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a crushing knife for polyester staple fiber production, including a knife disc and an axial hole, the axial hole is set through the center of the knife disc, the knife disc is evenly distributed with openings, the openings are set away from the axial hole, a sliding seat is slidably sleeved on the opening, a blade is installed on the sliding seat, and an adjustment mechanism is provided on the side of the knife disc close to the opening, the adjustment mechanism is fixedly connected to the sliding seat, and the adjustment mechanism controls the sliding seat to slide in the opening.

[0005] Preferably, the adjustment mechanism includes an adjusting chamber, a fixed block, a lead screw, a lead screw nut, a control chamber and a connecting rod, the adjusting chamber is arranged under the cutter disc, the fixed block is arranged on the side of the inner wall of the adjusting chamber, the control chamber is arranged at one end of the adjusting chamber away from the fixed block, one end of the lead screw is rotatably arranged in the fixed block, the other end of the lead screw is connected to the control chamber, the lead screw nut is sleeved on the lead screw, the connecting rod is arranged on the lead screw nut, the connecting rod moves through the adjusting chamber, and the connecting rod is fixedly connected to the slide seat.

[0006] Preferably, a control rod is provided on the control bin, a transmission gear set structure is provided in the control bin, the control rod controls the rotation of the lead screw through the transmission gear set structure, the control rod passes through the bottom wall of the adjustment bin, and a strip groove structure is provided on the control rod.

[0007] Preferably, a groove is provided on the contact side surface of the adjustment chamber and the connecting rod, and the connecting rod moves through the groove.

[0008] Preferably, a groove structure is provided on the side surface of the slide seat, and the wall of the opening is inserted into the groove structure.

[0009] Preferably, a limit strip is provided on one end of the blade close to the slide seat, the limit strip is arranged close to the side wall of the slide seat, and mounting bolts are symmetrically provided on the top of the slide seat, and the mounting bolts fix the blade on the slide seat.

[0010] Preferably, a positioning groove is embedded in the shaft hole, and the positioning groove is provided in two groups, the included angle between the two groups of positioning grooves is 120°, and any group of positioning grooves is arranged directly opposite to the opening.

[0011] Preferably, a connecting block is provided between the connecting rod and the shaft seat, and the connecting block is provided under the shaft seat.

[0012] The beneficial effects of the utility model are:

[0013] The utility model adds an adjustment mechanism, controls the screw transmission through a control rod, utilizes the slide seat to move in the opening, and then drives the blade to move, and adjusts the extended length of the blade according to needs, solving the problem that the exposed length of the blade cannot be adjusted in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the overall structure of a crushing knife for producing polyester staple fibers.

[0015] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle.

[0016] Figure 3 It is a schematic diagram from another perspective of the pulverizing knife for producing polyester staple fibers of the utility model.

[0017] Figure 4 yes Figure 3 Diagram of the internal structure of the regulating mechanism.

[0018] In the figure: 1. cutter disc; 2. axial hole; 3. opening; 4. slide seat; 5. blade; 6. adjustment mechanism; 7. adjustment chamber; 8. fixing block; 9. lead screw; 10. lead screw nut; 11. control chamber; 12. connecting rod; 13. control rod; 14. slot; 15. limit strip; 16. mounting bolt; 17. positioning groove; 18. connecting block. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4, 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 them. Based on the embodiments of 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.

[0020] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, specific orientation structure and operation, and therefore should not be understood as a limitation on the present invention.

[0021] The present embodiment provides a pulverizing knife for producing polyester staple fibers, comprising a knife disc 1 and an axial hole 2, wherein the axial hole 2 is arranged through the center of the knife disc 1, and openings 3 are evenly distributed and penetrated on the knife disc 1, and the openings 3 are arranged away from the axial hole 2, and a slide seat 4 is slidably sleeved on the opening 3, and a blade 5 is installed on the slide seat 4, and an adjustment mechanism 6 is provided on the side of the knife disc 1 close to the opening 3, and the adjustment mechanism 6 is fixedly connected to the slide seat 4, and the adjustment mechanism 6 controls the slide seat 4 to slide in the opening 3.

[0022] In one embodiment, specifically, the adjusting mechanism 6 includes an adjusting chamber 7, a fixed block 8, a lead screw 9, a lead screw nut 10, a control chamber 11 and a connecting rod 12. The adjusting chamber 7 is arranged under the cutter disc 1, the fixed block 8 is arranged on the inner wall side of the adjusting chamber 7, the control chamber 11 is arranged at one end of the adjusting chamber 7 away from the fixed block 8, one end of the lead screw 9 is rotatably arranged in the fixed block 8, and the other end of the lead screw 9 is connected to the control chamber 11, the lead screw nut 10 is sleeved on the lead screw 9, and the connecting rod 12 is arranged on the lead screw nut 10. The connecting rod 12 moves through the adjusting chamber 7 and is fixedly connected to the slide seat 4.

[0023] In one embodiment, specifically, a control rod 13 is provided on the control chamber 11, and a transmission gear set structure is provided in the control chamber 11. The control rod 13 controls the rotation of the lead screw 9 through the transmission gear set structure. The control rod 13 passes through the bottom wall of the adjustment chamber 7, and a strip groove structure is provided on the control rod 13.

[0024] In one embodiment, specifically, a slot 14 is provided on the contact side of the adjustment chamber 7 and the connecting rod 12 , and the connecting rod 12 moves through the slot 14 .

[0025] In one embodiment, specifically, a groove structure is provided on the side of the slide 4, and the wall of the opening 3 is inserted into the groove structure. The slide 4 and the opening 3 are in contact, thereby improving the stability of the slide 4 and the blade 5.

[0026] In one embodiment, specifically, a limit strip 15 is provided on one end of the blade 5 close to the slide 4, the limit strip 15 is arranged close to the side wall of the slide 4, and mounting bolts 16 are symmetrically provided on the top of the slide 4, the mounting bolts 16 fix the blade 5 on the slide 4, and the blade 5 is fixed to the slide 4 by the mounting bolts 16. The length of the blade 5 inserted into the slide 4 is limited by the limit strip 15, which can assist the efficiency of inserting the mounting bolts 16 into the slide 4 and the blade 5.

[0027] In one embodiment, specifically, a positioning groove 17 is embedded in the shaft hole 2, and there are two groups of positioning grooves 17. The included angle between the two groups of positioning grooves 17 is 120°. Any group of positioning grooves 17 is arranged opposite to the opening 3, and the limiting installation of the crushing knife is completed through the positioning grooves 17.

[0028] In one embodiment, specifically, a connecting block 18 is provided between the connecting rod 12 and the shaft seat, and the connecting block 18 is provided under the shaft seat.

[0029] The working process of the polyester staple fiber production pulverizing knife in this embodiment is as follows: the staff drives the transmission gear set in the control chamber 11 to rotate through the control rod 13, and then drives the lead screw 9 to rotate. The lead screw 9 drives the connecting rod 12 and the connecting block 18 to move through the lead screw nut 10, thereby driving the slider to move in the opening 3, controlling the movement of the blade 5, and adjusting the extension and retraction of the blade 5 relative to the cutter disc 1, which solves the problem that the exposed length of the blade 5 cannot be adjusted as mentioned in the background technology.

[0030] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A crushing knife for polyester staple fiber production, characterized in that: The invention comprises a cutter disc (1) and an axial hole (2), wherein the axial hole (2) is arranged through the center of the cutter disc (1), openings (3) are evenly distributed and arranged through the cutter disc (1), wherein the openings (3) are arranged away from the axial hole (2), a slide seat (4) is slidably sleeved on the opening (3), a blade (5) is mounted on the slide seat (4), and an adjustment mechanism (6) is arranged on the lower side of the cutter disc (1) close to the opening (3), wherein the adjustment mechanism (6) is fixedly connected to the slide seat (4), and wherein the adjustment mechanism (6) controls the slide seat (4) to slide in the opening (3).

2. The polyester staple fiber production pulverizing knife according to claim 1, characterized in that: The adjusting mechanism (6) comprises an adjusting chamber (7), a fixing block (8), a lead screw (9), a lead screw nut (10), a control chamber (11) and a connecting rod (12); the adjusting chamber (7) is arranged under the cutter disc (1); the fixing block (8) is arranged on the inner wall side of the adjusting chamber (7); the control chamber (11) is arranged at one end of the adjusting chamber (7) away from the fixing block (8); one end of the lead screw (9) is rotatably arranged in the fixing block (8); the other end of the lead screw (9) is connected to the control chamber (11); the lead screw nut (10) is sleeved on the lead screw (9); the connecting rod (12) is arranged on the lead screw nut (10); the connecting rod (12) moves through the adjusting chamber (7); and the connecting rod (12) is fixedly connected to the slide seat (4).

3. The polyester staple fiber production pulverizing knife according to claim 2, characterized in that: The control chamber (11) is provided with a control rod (13), a transmission gear set structure is provided in the control chamber (11), the control rod (13) controls the rotation of the lead screw (9) through the transmission gear set structure, the control rod (13) penetrates the bottom wall of the adjustment chamber (7), and a strip groove structure is provided on the control rod (13).

4. The pulverizing knife for producing polyester staple fibers according to claim 2, characterized in that: A slot (14) is provided on the contact side surfaces of the regulating bin (7) and the connecting rod (12), and the connecting rod (12) moves through the slot (14).

5. The pulverizing knife for producing polyester staple fibers according to claim 1, characterized in that: A groove structure is provided on the side of the sliding seat (4), and the wall of the opening (3) is inserted into the groove structure.

6. The pulverizing knife for producing polyester staple fibers according to claim 1, characterized in that: A limiting strip (15) is provided on one end of the blade (5) close to the slide seat (4), and the limiting strip (15) is arranged close to the side wall of the slide seat (4). Mounting bolts (16) are symmetrically provided on the top of the slide seat (4), and the mounting bolts (16) fix the blade (5) on the slide seat (4).

7. The pulverizing knife for producing polyester staple fibers according to claim 1, characterized in that: The shaft hole (2) is embedded with a positioning groove (17), and the positioning groove (17) is provided with two groups. The included angle of the two groups of positioning grooves (17) is 120 degrees. Any group of positioning grooves (17) is arranged opposite to the opening (3).

8. The pulverizing knife for producing polyester staple fibers according to claim 2, characterized in that: A connecting block (18) is provided between the connecting rod (12) and the shaft seat, and the connecting block (18) is provided under the shaft seat.

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