Spinning frame doffing device for polyester yarn production

Abstract

The utility model relates to the technical field of polyester yarn production, and discloses a spinning frame doffing device for polyester yarn production, which comprises a doffing box, a fetching mechanism arranged at the top in the doffing box, a doffing buffer mechanism arranged at the bottom in the doffing box, and a driving component and a clamping component, the driving assembly is arranged at the top of the interior of the doffing box, the clamping assemblies are arranged on the surface of the driving assembly, polyester bobbins are clamped through the clamping assemblies, a motor drives a belt wheel to rotate, the three clamping assemblies are synchronously driven to work through a transmission belt, and a driving rod and a first bevel gear drive a second bevel gear to rotate. According to the clamping device, the sliding block is driven to slide on the surface of the screw rod, the clamping block is driven to be opened and closed, the clamping device is matched with the driving assembly to move, the polyester yarn bobbin is clamped, the clamping spring and the rubber soft plate are arranged, it can be guaranteed that the polyester yarn bobbin cannot be damaged in the clamping process, and the doffing quality of the polyester yarn bobbin is guaranteed; and damage to the polyester yarn drum due to too large clamping force is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of polyester yarn production, in particular to a spinning frame doffing device for polyester yarn production. Background Art

[0002] Spinning frame is a spinning machine that stretches, twists and winds semi-finished roving or slivers into spun yarn during the spinning process. The slivers are stretched and twisted on the roving frame to make roving, the combing machine combs the fibers to make combed slivers, the needle combing machine combines the slivers, and the needle row stretches to improve the sliver structure. The roving is further twisted and spun into spun yarn on the ring spinning frame. The spinning frame is the main machine for spinning.

[0003] According to a spinning frame doffing device for polyester yarn production disclosed on the patent website (authorization announcement number: CN220538026U), "The utility model discloses a spinning frame doffing device for polyester yarn production, including a doffing box, the bottom of the doffing box is symmetrically provided with a first mounting groove, the interior of the first mounting groove is fixedly connected with a transmission motor, the output shaft of the transmission motor is fixedly connected with a first threaded rod, the outer surface of the first threaded rod is threadedly connected with a first threaded block, the upper end of the first threaded block is fixedly connected with an electric push rod, the upper end of the electric push rod is fixedly connected with a connecting block, and one side of the connecting block is fixedly connected with a connecting rod. By setting a double-headed motor, a second threaded rod, and a second threaded block, the clamping block is driven to move, and then the polyester yarn tube is clamped, and polyester yarn tubes of different specifications can be clamped. The clamping block is driven to move by the transmission motor, the first threaded block, and the first threaded rod, so that the polyester yarn tube can be conveniently dropped into the doffing box."

[0004] Based on the above, the applicant believes that there are the following defects:

[0005] The doffing device of the spinning frame for producing polyester yarn includes a doffing box, a first installation groove is symmetrically opened at the bottom of the doffing box, and a transmission motor is fixedly connected to the inside of the first installation groove. The device clamps the yarn tube and drops the yarn in the doffing box. However, when the device clamps the yarn tube with a clamping block, the yarn tube may be damaged due to the uncontrollable clamping force, which will affect the overall doffing efficiency and the overall quality of the doffing. Utility Model Content

[0006] The utility model aims to provide a doffing device for a spinning frame used for producing polyester yarn, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a doffing device for a spinning frame for producing polyester yarn, comprising a doffing box, a picking mechanism is arranged at the top of the doffing box, a doffing buffer mechanism is arranged at the bottom of the doffing box, the picking mechanism comprises a driving assembly and a clamping assembly, the driving assembly is arranged at the top of the doffing box, and the clamping assembly is arranged on the surface of the driving assembly;

[0008] The cam is connected with the first gear and the second gear is connected with the first gear, and the cam is connected with the first gear on the second gear, and the cam is connected with the first gear on the second gear. The front side of the mounting plate one is fixedly connected to the mounting plate two, the inner side of the mounting plate two is fixedly connected to the telescopic rod, the front side of the mounting plate two is fixedly connected to the clamping block, the inner side of the clamping block is fixedly connected to the clamping spring, the end of the clamping spring away from the clamping block is fixedly connected to the rubber soft plate, the polyester yarn tube is clamped by the assembly, the motor drives the pulley to rotate and drives the three groups of clamping assemblies to work synchronously through the transmission belt, the driving rod and the first bevel gear drive the second bevel gear to rotate, drive the sliding block to slide on the surface of the screw, drive the clamping block to open and close, cooperate with the driving assembly to move, and clamp the polyester yarn tube. By providing the clamping spring and the rubber soft plate, it can be ensured that the polyester yarn tube will not be damaged by clamping during the clamping process, thereby ensuring the yarn dropping quality of the polyester yarn tube and preventing the damage of the polyester yarn tube due to excessive clamping force.

[0009] Preferably, a second bevel gear is provided on both sides of the left and right sides of the first bevel gear, the first bevel gear and the second bevel gear are meshed with each other, the second bevel gear is fixedly connected to an end of the screw rod close to the first bevel gear, the second side plate is arranged at the outer end of the first side plate, the pulley is rotatably connected to the front output end of the motor, and the pulley is fixedly connected to the back side of the driving rod.

[0010] Preferably, the pulley, the driving rod and the first bevel gear are provided in three groups and are arranged in a straight line on the surfaces of the first connecting plate and the second connecting plate.

[0011] Preferably, the driving assembly includes an electric slide rail, which is fixedly connected to the top of the left and right sides of the yarn dropping box, and a slider is slidably connected inside the electric slide rail. A control motor is provided at the rear end of the top of the electric slide rail, and a first connecting plate is fixedly connected to the rear end of an end of the slider away from the electric slide rail, and a second connecting plate is fixedly connected to the front end of an end of the slider away from the electric slide rail.

[0012] Preferably, the yarn dropping buffer mechanism includes a buffer telescopic column, the buffer telescopic column is fixedly connected to the bottom of the yarn dropping box, a spring is arranged on the surface of the buffer telescopic column, a damping telescopic column is fixedly connected to the bottom of the yarn dropping box, the buffer telescopic column and the top of the damping telescopic column are fixedly connected to a loading plate, and a sponge pad is fixedly connected to the top of the loading plate. When the clamping assembly releases the polyester yarn tube to drop the yarn, the yarn tube will fall into the yarn dropping chamber. The buffer telescopic column, spring and damping telescopic column arranged at the bottom of the yarn dropping chamber can reduce the impact force on the yarn tube when dropping the yarn. The sponge pad is arranged to ensure the stability of the yarn dropping, and the quality of the yarn tube and the efficiency of the yarn dropping are further guaranteed.

[0013] Preferably, universal wheels are arranged at the four corners of the bottom of the doffing box, a handle is fixedly connected to the top of the back side of the doffing box, and a doffing chamber is opened inside the doffing box.

[0014] Compared with the prior art, the utility model provides a doffing device for a spinning frame for producing polyester yarn, which has the following beneficial effects:

[0015] 1. The doffing device of the spinning frame for polyester yarn production is provided with a clamping component, through which the polyester yarn tube is clamped, the pulley is driven by a motor to rotate, and the three groups of clamping components are driven to work synchronously through the transmission belt, the driving rod and the first bevel gear drive the second bevel gear to rotate, drive the sliding block to slide on the surface of the screw, drive the clamping block to open and close, and cooperate with the driving component to move, so as to clamp the polyester yarn tube. By providing a clamping spring and a rubber soft plate, it can be ensured that the polyester yarn tube will not be damaged during the clamping process, thereby ensuring the doffing quality of the polyester yarn tube and preventing the damage of the polyester yarn tube due to excessive clamping force.

[0016] 2. The doffing device of the spinning frame for polyester yarn production is provided with a doffing buffer mechanism. When the clamping assembly releases the polyester yarn tube to doff the yarn, the yarn tube will fall into the doffing chamber. The buffer telescopic column, spring and damping telescopic column arranged at the bottom of the doffing chamber can reduce the impact force on the yarn tube during doffing. The sponge pad is arranged to ensure the stability of the doffing, further ensuring the quality of the yarn tube and the efficiency of doffing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structural drive assembly of the utility model;

[0020] Figure 3 This is a schematic diagram of the structural clamping assembly of the utility model;

[0021] Figure 4 This is a schematic diagram of the structural clamping block of the utility model;

[0022] Figure 5 It is a schematic diagram of the yarn dropping buffer mechanism of the utility model structure.

[0023] In the figure: 1, doffing box; 2, universal wheel; 3, handle; 4, doffing chamber; 5, picking mechanism; 51, driving assembly; 511, electric slide rail; 512, control motor; 513, slider; 514, first connecting plate; 515, second connecting plate; 52, clamping assembly; 521, motor frame; 522, motor; 523, pulley; 524, transmission belt; 525, driving rod; 526, first bevel gear; 527, second bevel gear Wheel; 528, first side plate; 529, second side plate; 5201, screw; 5202, guide rod; 5203, sliding block; 5204, mounting plate one; 5205, mounting plate two; 5206, telescopic rod; 5207, clamping block; 5208, clamping spring; 5209, rubber soft board; 6, yarn dropping buffer mechanism; 61, buffer telescopic column; 62, spring; 63, damping telescopic column; 64, loading plate; 65, sponge pad. DETAILED DESCRIPTION

[0024] 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.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The utility model provides the following technical solutions:

[0027] Embodiment 1

[0028] See also Figure 1-4 A doffing device for a spinning frame for producing polyester yarn comprises a doffing box 1, a pick-up mechanism 5 is arranged at the top of the doffing box 1, a doffing buffer mechanism 6 is arranged at the bottom of the doffing box 1, the pick-up mechanism 5 comprises a driving component 51 and a clamping component 52, the driving component 51 is arranged at the top of the doffing box 1, and the clamping component 52 is arranged on the surface of the driving component 51;

[0029] The clamping assembly 52 includes a motor frame 521, and the driving assembly 51 includes a first connecting plate 514 and a second connecting plate 515. The motor frame 521 is fixedly connected to the right end of the back of the first connecting plate 514. A motor 522 is arranged inside the motor frame 521, and a pulley 523 is arranged on the front of the motor 522. A driving belt 524 is connected to the surface of the pulley 523. A driving rod 525 is rotatably connected between the first connecting plate 514 and the second connecting plate 515, and a first bevel gear 526 is fixedly connected to the front of the driving rod 525. The front side of the second connecting plate 515 is fixedly connected to the first side plate 528, the inner side of the first side plate 528 is provided with a second bevel gear 527, the outer bottom of the first side plate 528 is rotatably connected to the screw rod 5201, the outer top of the first side plate 528 is fixedly connected to the guide rod 5202, the front side of the second connecting plate 515 is fixedly connected to the second side plate 529, the surfaces of the screw rod 5201 and the guide rod 5202 are slidably connected to the sliding block 5203, the front side of the sliding block 5203 is fixedly connected to the mounting plate 1 5204, the mounting plate The front of the first 5204 is fixedly connected to the second mounting plate 5205, the inner side of the second mounting plate 5205 is fixedly connected to the telescopic rod 5206, the front of the second mounting plate 5205 is fixedly connected to the clamping block 5207, the inner side of the clamping block 5207 is fixedly connected to the clamping spring 5208, and the end of the clamping spring 5208 away from the clamping block 5207 is fixedly connected to the rubber soft plate 5209. The polyester yarn tube is clamped by this assembly, and the pulley 523 is driven by the motor 522 to rotate and synchronously drive the three sets of clamps through the transmission belt 524. The holding assembly 52 works, the driving rod 525 and the first bevel gear 526 drive the second bevel gear 527 to rotate, drive the sliding block 5203 to slide on the surface of the screw 5201, drive the clamping block 5207 to open and close, cooperate with the driving assembly 51 to move, and clamp the polyester yarn tube. The clamping spring 5208 and the rubber soft plate 5209 can ensure that the polyester yarn tube will not be damaged during the clamping process, ensure the yarn quality of the polyester yarn tube, and prevent the polyester yarn tube from being damaged due to excessive clamping force.

[0030] The first bevel gear 526 is provided with a second bevel gear 527 on both sides thereof, the first bevel gear 526 and the second bevel gear 527 mesh with each other, the second bevel gear 527 is fixedly connected to one end of the screw 5201 close to the first bevel gear 526, the second side plate 529 is provided at the outer end of the first side plate 528, the pulley 523 is rotatably connected to the front output end of the motor 522, and the pulley 523 is fixedly connected to the back of the driving rod 525;

[0031] The pulley 523, the driving rod 525 and the first bevel gear 526 are provided in three groups and are arranged in a straight line on the surface of the first connecting plate 514 and the second connecting plate 515;

[0032] The driving component 51 includes an electric slide rail 511, which is fixedly connected to the top of the left and right sides of the interior of the yarn dropping box 1. A slider 513 is slidably connected inside the electric slide rail 511. A control motor 512 is provided at the rear end of the top of the electric slide rail 511. The rear end of the slider 513 away from the electric slide rail 511 is fixedly connected to a first connecting plate 514, and the front end of the slider 513 away from the electric slide rail 511 is fixedly connected to a second connecting plate 515.

[0033] Embodiment 2

[0034] See also Figure 1-5 , and on the basis of the first embodiment, the doffing buffer mechanism 6 further comprises a buffer telescopic column 61, the buffer telescopic column 61 is fixedly connected to the bottom of the doffing box 1, a spring 62 is arranged on the surface of the buffer telescopic column 61, a damping telescopic column 63 is fixedly connected to the bottom of the doffing box 1, a loading plate 64 is fixedly connected to the top of the buffer telescopic column 61 and the damping telescopic column 63, a sponge pad 65 is fixedly connected to the top of the loading plate 64, when the clamping assembly 52 releases the polyester yarn tube to doff the yarn, the yarn tube will fall into the doffing chamber 4, and the buffer telescopic column 61, the spring 62 and the damping telescopic column 63 arranged at the bottom of the doffing chamber 4 can reduce the impact force on the yarn tube when doffing, and the sponge pad 65 is arranged to ensure the stability of the doffing, and further ensure the quality of the yarn tube and the efficiency of doffing;

[0035] Universal wheels 2 are arranged at the four corners of the bottom of the doffing box 1, a handle 3 is fixedly connected to the top of the back side of the doffing box 1, and a doffing chamber 4 is opened inside the doffing box 1.

[0036] During actual operation, when this device is used, the doffing box 1 is moved to the side of the spinning frame through the universal wheel 2 and the handle 3, the starting device controls the electric slide rail 511 to work by controlling the motor 512, drives the slider 513 to move forward, and synchronously drives the clamping assembly 52 to move forward, starts the clamping assembly 52, and clamps the polyester yarn tube through the assembly, drives the pulley 523 to rotate through the transmission belt 524 to synchronously drive the three groups of clamping assemblies 52 to work, the driving rod 525 and the first bevel gear 526 drive the second bevel gear 527 to rotate, drives the sliding block 5203 to slide on the surface of the screw 5201, drives the clamping block 5207 to open and close, and cooperates with the driving group The component 51 moves to clamp the polyester yarn tube. The clamping spring 5208 and the rubber soft plate 5209 can ensure that the polyester yarn tube will not be damaged during the clamping process, thereby ensuring the yarn dropping quality of the polyester yarn tube and preventing the polyester yarn tube from being damaged due to excessive clamping force. The clamping component 52 is recovered, and the motor 522 is reversed to drive the clamping block 5207 to open, and the yarn tube falls into the yarn dropping chamber 4. The buffer telescopic column 61, spring 62 and damping telescopic column 63 arranged at the bottom of the yarn dropping chamber 4 can reduce the impact force on the yarn tube when dropping the yarn. The sponge pad 65 is set to ensure the stability of the yarn dropping, and the quality of the yarn tube and the efficiency of the yarn dropping are further guaranteed.

[0037] 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. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A doffing device for a spinning frame for producing polyester yarn, comprising a doffing box (1), characterized in that: The top of the doffing box (1) is provided with a picking mechanism (5), the bottom of the doffing box (1) is provided with a doffing buffer mechanism (6), the picking mechanism (5) comprises a driving component (51) and a clamping component (52), the driving component (51) is provided at the top of the doffing box (1), and the clamping component (52) is provided on the surface of the driving component (51); The clamping assembly (52) comprises a motor frame (521), and the driving assembly (51) comprises a first connecting plate (514) and a second connecting plate (515). The motor frame (521) is fixedly connected to the right end of the back side of the first connecting plate (514). A motor (522) is arranged inside the motor frame (521). A pulley (523) is arranged on the front side of the motor (522). A driving belt (524) is connected to the surface of the pulley (523) for transmission. A driving rod (525) is rotatably connected between the first connecting plate (514) and the second connecting plate (515). A first bevel gear (526) is fixedly connected to the front side of the driving rod (525). A first side plate (528) is fixedly connected to the front side of the second connecting plate (515). A second bevel gear (527) is arranged on the inner side of the first side plate (528). The outer bottom of the first side plate (528) is rotatably connected to the first connecting plate (514) and the second connecting plate (515). A screw rod (5201) is connected, a guide rod (5202) is fixedly connected to the outer top of the first side plate (528), a second side plate (529) is fixedly connected to the front of the second connecting plate (515), a sliding block (5203) is slidably connected to the surface of the screw rod (5201) and the guide rod (5202), a mounting plate 1 (5204) is fixedly connected to the front of the sliding block (5203), a mounting plate 2 (5205) is fixedly connected to the front of the mounting plate 1 (5204), a telescopic rod (5206) is fixedly connected to the inner side of the mounting plate 2 (5205), a clamping block (5207) is fixedly connected to the inner side of the clamping block (5207), a clamping spring (5208) is fixedly connected to the inner side of the clamping block (5207), and a rubber soft plate (5209) is fixedly connected to the end of the clamping spring (5208) away from the clamping block (5207).

2. A doffing device for a spinning frame for producing polyester yarn according to claim 1, characterized in that: A second bevel gear (527) is provided on both sides of the left and right sides of the first bevel gear (526); the first bevel gear (526) and the second bevel gear (527) are meshed with each other; the second bevel gear (527) is fixedly connected to an end of the screw rod (5201) close to the first bevel gear (526); the second side plate (529) is provided at the outer end of the first side plate (528); the pulley (523) is rotatably connected to the front output end of the motor (522); and the pulley (523) is fixedly connected to the back of the driving rod (525).

3. A doffing device for a spinning frame for producing polyester yarn according to claim 1, characterized in that: The pulley (523), the driving rod (525) and the first bevel gear (526) are provided in three groups and are arranged in a straight line on the surface of the first connecting plate (514) and the second connecting plate (515).

4. A doffing device for a spinning frame for producing polyester yarn according to claim 1, characterized in that: The driving assembly (51) comprises an electric slide rail (511), wherein the electric slide rail (511) is fixedly connected to the top of the left and right sides of the interior of the yarn drop box (1), a slider (513) is slidably connected inside the electric slide rail (511), a control motor (512) is arranged at the rear end of the top of the electric slide rail (511), a first connecting plate (514) is fixedly connected to the rear end of one end of the slider (513) away from the electric slide rail (511), and a second connecting plate (515) is fixedly connected to the front end of one end of the slider (513) away from the electric slide rail (511).

5. The doffing device for a spinning frame for producing polyester yarn according to claim 1, characterized in that: The yarn dropping buffer mechanism (6) comprises a buffer telescopic column (61), the buffer telescopic column (61) is fixedly connected to the bottom of the yarn dropping box (1), a spring (62) is arranged on the surface of the buffer telescopic column (61), a damping telescopic column (63) is fixedly connected to the bottom of the yarn dropping box (1), a loading plate (64) is fixedly connected to the top of the buffer telescopic column (61) and the damping telescopic column (63), and a sponge pad (65) is fixedly connected to the top of the loading plate (64).

6. A doffing device for a spinning frame for producing polyester yarn according to claim 1, characterized in that: Universal wheels (2) are arranged at the four corners of the bottom of the doffing box (1), a handle (3) is fixedly connected to the top of the back of the doffing box (1), and a doffing chamber (4) is opened inside the doffing box (1).

Images