Heald lifting device

Abstract

The utility model discloses a heald lifting device. The heald lifting device comprises a mounting frame, crankshafts are rotationally installed on the two sides of the upper end and the lower end of the installation frame, belt wheels are installed at the positions, penetrating through the outer side of the installation frame, of one ends of the crankshafts, the belt wheels are connected through belts, and the ends, penetrating through the installation frame, of the crankshafts at the upper end and the lower end of the installation frame are installed on one side of a power mechanism which is installed on one side of the installation frame. A shaft seat is installed on the upper side of the crankshaft, a connecting rod is rotatably installed on one side of the shaft seat, supporting rods are rotatably installed on one side of the connecting rod, heddles are installed between the supporting rods, and sliding sleeves are installed on the outer sides of the supporting rods in a sliding mode and installed on the upper side of the installation frame. The crankshaft is driven by the power mechanism to rotate, the vertical moving distance of the heddles can be accurately controlled, and meanwhile, the two heddles are uniformly controlled, so that the control is convenient; and the two heddles run simultaneously.

Description

Technical Field

[0001] The utility model relates to the technical field of textile harness lifting, in particular to a harness lifting device. Background Art

[0002] In the textile industry, "heald lifting" is a crucial operation during weaving. It involves controlling the raising and lowering of the heald frame through a specific lifting mechanism, thereby separating the warp yarns from one another and forming a shed (or opening) so that the weft yarns can pass smoothly through the warp yarns and interweave to form the fabric. This process requires the use of a heald lifting device.

[0003] Chinese patent number CN202020389249.7 discloses a pneumatic heald lifting mechanism, which includes a power unit and an electromagnetic control unit. The power unit uses a cylinder as power to pull the healds through a wire rope, and the electromagnetic control unit is a pneumatic solenoid valve that controls the air circuit. The existing technology has a weak connection between the healds during use, and the speed of the pneumatic reciprocating motion is relatively slow, and the amplitude is prone to errors. Utility Model Content

[0004] The purpose of the utility model is to provide a harness lifting device to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heald lifting device, comprising a mounting frame; crankshafts are rotatably mounted on both sides of the upper and lower ends of the mounting frame, one end of the crankshaft passes through the outer position of the mounting frame and is installed with a pulley, the pulleys are connected by a belt, one end of the crankshafts at the upper and lower ends of the mounting frame passes through the mounting frame and is installed on one side of the power mechanism, the power mechanism is installed on one side of the mounting frame, an axle seat is installed on the upper side of the crankshaft, a connecting rod is rotatably mounted on one side of the axle seat, a support rod is rotatably mounted on one side of the connecting rod, healds are installed between the support rods, a sliding sleeve is slidably mounted on the outer side of the support rod, and the sliding sleeve is installed on the upper side of the mounting frame.

[0006] Preferably, a corrosion-resistant layer is provided on the outer side of the mounting frame, and the corrosion-resistant layer is configured as a chrome-plated layer.

[0007] Preferably, rollers are provided at the upper and lower ends of the sliding sleeve, and the rollers are slidably installed inside the sliding sleeve. Slide grooves are provided at both sides of the support rod, and the rollers are slidably installed inside the slide grooves.

[0008] Preferably, the power mechanism consists of an electric motor and a transmission, the transmission is installed on one side of the mounting frame, and the electric motor is currently located on one side of the transmission.

[0009] Preferably, the electric motor is configured as a servo motor.

[0010] Preferably, limiting sleeves are installed at both ends of the heald, and the limiting sleeves are slidably installed on the upper side of the limiting rod, and the limiting rod is installed on the upper side of the mounting frame.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The crankshaft is driven to rotate by the power mechanism, which can accurately control the distance of the heald moving up and down. At the same time, the two healds are controlled uniformly, which is easy to control; the two healds run at the same time;

[0013] 2. When the support rod slides inside the sleeve, the roller slides inside the slide groove, which can reduce the wear between the sleeve and the support rod and extend the service life of the sleeve and the support rod;

[0014] 3. When the power mechanism is in use, the motor is turned on by the switch, and the motor will drive the transmission to rotate. The transmission will integrate the rotation speed of the motor and output it;

[0015] 4. The limiting rod and the limiting sleeve are used together to limit the range of motion of the heald and avoid the heald from shaking during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a side structural diagram of the present utility model;

[0019] Figure 3 This is a schematic diagram of the top view of the structure of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the support rod of the utility model.

[0021] In the figure: 1. power mechanism; 2. electric motor; 3. transmission; 4. mounting frame; 5. crankshaft; 6. shaft seat; 7. pulley; 8. connecting rod; 9. support rod; 10. sliding sleeve; 11. heald; 12. limiting rod; 13. limiting sleeve; 14. slideway; 15. roller; 16. corrosion-resistant layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The cam 7 is connected with the upper and lower ends of the cam 7 by a belt pulley 7, and the cam 7 is connected with the upper and lower ends of the cam 7 by a belt pulley 7.

[0024] Rollers 15 are provided at the upper and lower ends of the sliding sleeve 10, and the rollers 15 are slidably installed inside the sliding sleeve 10. Slide grooves 14 are provided on both sides of the support rod 9, and the rollers 15 are slidably installed inside the slide grooves 14. When the support rod 9 slides inside the sliding sleeve 10, the rollers 15 slide in the slide grooves 14, which can reduce the wear between the sliding sleeve 10 and the support rod 9 and extend the service life of the sliding sleeve 10 and the support rod 9.

[0025] The power mechanism 1 consists of an electric motor 2 and a transmission 3. The transmission 3 is installed on one side of the mounting frame 4. The motor 2 is currently located on one side of the transmission 3. When the power mechanism 1 is in use, the motor 2 is turned on by the switch, and the motor 2 will drive the transmission 3 to rotate. The transmission 3 will integrate the rotation speed of the motor 2 and output it; the motor 2 is configured as a servo motor, and the servo motor used by the motor 2 is mainly controlled by an encoder. The encoder can accurately control the rotation speed of the motor 2, thereby facilitating the control of the speed at which the heald 11 moves up and down.

[0026] Limiting sleeves 13 are installed at both ends of the heald 11, and the limiting sleeves 13 are slidably installed on the upper side of the limiting rod 12. The limiting rod 12 is installed on the upper side of the mounting frame 4. The limiting rod 12 and the limiting sleeves 13 cooperate with each other to limit the range of movement of the heald 11 and avoid shaking of the heald 11 during use.

[0027] The working principle and usage process of the utility model are as follows: during use, the power mechanism 1 is turned on by the switch, and the power mechanism 1 will drive the crankshaft 5 to rotate. During the rotation of the crankshaft 5, the connecting rod 8 will be driven to swing through the action of the shaft seat 6. During the swinging process, the connecting rod 8 will move the support rod 9 and the heald 11 at the bottom end of the support rod 9 up and down, thereby playing the role of lifting the heald. By driving the crankshaft 5 to rotate by the power mechanism 1, the up and down movement distance of the heald 11 can be accurately controlled. At the same time, the two healds 11 are controlled uniformly, which is convenient for control; the two healds 11 run at the same time.

[0028] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A harness lifting device, comprising a mounting frame (4); characterized in that: The mounting frame (4) is rotatably mounted with a crankshaft (5) at both ends, one end of the crankshaft (5) passes through the outer position of the mounting frame (4) and is mounted with a pulley (7), and the pulleys (7) are connected by a belt. The crankshafts (5) at both ends of the mounting frame (4) pass through the mounting frame (4) and are mounted on one side of the power mechanism (1). The power mechanism (1) is mounted on one side of the mounting frame (4). An axle seat (6) is mounted on the upper side of the crankshaft (5). A connecting rod (8) is rotatably mounted on one side of the axle seat (6). A support rod (9) is rotatably mounted on one side of the connecting rod (8). A heald (11) is mounted between the support rods (9). A sliding sleeve (10) is slidably mounted on the outer side of the support rod (9), and the sliding sleeve (10) is mounted on the upper side of the mounting frame (4).

2. A harness lifting device according to claim 1, characterized in that: A corrosion-resistant layer (16) is provided on the outside of the mounting frame (4), and the corrosion-resistant layer (16) is configured as a chrome-plated layer.

3. A harness lifting device according to claim 1, characterized in that: Rollers (15) are provided at the upper and lower ends of the sliding sleeve (10), and the rollers (15) are slidably mounted inside the sliding sleeve (10). Slide grooves (14) are provided at both sides of the support rod (9), and the rollers (15) are slidably mounted inside the slide grooves (14).

4. A harness lifting device according to claim 1, characterized in that: The power mechanism (1) is composed of an electric motor (2) and a transmission (3), wherein the transmission (3) is mounted on one side of a mounting frame (4), and the electric motor (2) is currently located on one side of the transmission (3).

5. A harness lifting device according to claim 4, characterized in that: The electric motor (2) is configured as a servo motor.

6. A harness lifting device according to claim 1, characterized in that: Limiting sleeves (13) are installed at both ends of the heald (11), and the limiting sleeves (13) are slidably installed on the upper side of the limiting rod (12), and the limiting rod (12) is installed on the upper side of the mounting frame (4).

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