CN214458585U - Crank rocker transmission mechanism for jacquard device - Google Patents

Abstract

The utility model relates to a crank rocker drive mechanism for jacquard device, a serial communication port, including the frame to and install in the frame: the crank assembly is used as a power output end of the mechanism, and the output of the crank assembly is connected with the driving connecting rod and is connected with the rocker assembly through driving connection control; the rocking shaft assembly is used as a power transmission part, is connected with the crank assembly through a driving connecting rod and is respectively connected with the knife lifting assembly through a first pull rod and a second pull rod; the lifting knife assembly is used as an action execution part and comprises an upper knife rest, a lower knife rest and a lifting knife which is respectively connected to the upper knife rest and the lower knife rest. The utility model adopts the crank rocker transmission, and has the characteristics of simple structure, light transmission weight, small inertia, low noise and high lubricity.

Description

Crank rocker transmission mechanism for jacquard device

Technical Field

The utility model relates to a weaving equipment field particularly, is a crank rocker structure of electron jacquard.

Background

As the technology of jacquard machines is becoming more mature, mechanical jacquard and electronic jacquard are in succession. The transmission mechanism of the jacquard device is mainly used for driving the upper knife rest and the lower knife rest to reciprocate, so that the knife rests drive the griffes to realize jacquard action. At present, the transmission structures of electronic jacquard machines in the market are various and comprise a chain transmission structure, a cam structure, an eccentric wheel structure, a gear transmission structure and the like, but the structures have the defects of large inertia, high noise, easiness in damage, high manufacturing cost and the like in different degrees in practical application.

Disclosure of Invention

The utility model discloses aim at solving the above-mentioned various problems, and then provide a crank rocker drive mechanism for jacquard device, this crank rocker drive mechanism fuselage is stable, the operation is reliable, light in weight, inertia are little, the noise is low, the current jacquard device transmission inertia of solution that can be fine is big, the noise pitch, manufacturing cost scheduling problem.

In order to solve the above problems, the utility model adopts the following technical scheme:

a crank rocker drive mechanism for jacquard machine, its special character lies in, including the frame to and install in the frame:

the crank assembly is used as a power output end of the mechanism, and the output of the crank assembly is connected with the driving connecting rod and is connected with the rocker assembly through driving connection control;

the rocking shaft assembly is used as a power transmission part, is connected with the crank assembly through a driving connecting rod and is respectively connected with the knife lifting assembly through a first pull rod and a second pull rod;

the lifting knife assembly is used as an action execution part and comprises an upper knife rest, a lower knife rest and a lifting knife which is respectively connected to the upper knife rest and the lower knife rest.

The machine frame comprises a stand platform and two parallel machine frame vertical plates vertically arranged on the stand platform, the crank assembly is arranged on the stand platform, the rocking shaft assembly is erected on the machine frame vertical plates, the driving connecting rod is connected between the crank assembly and the rocking shaft assembly, and the first pull rod and the second pull rod are connected between the rocking shaft assembly and the knife lifting assembly.

The rocking shaft assembly comprises a shaft lever and a rocking arm fixedly sleeved on the shaft lever, the rocking arm is provided with a first rocking lever and a second rocking lever, two sides of the first rocking lever and the second rocking lever extend outwards, and the shaft lever is rotatably arranged between vertical plates of the stand through a revolute pair; the first rocker is used for being connected with the upper ends of the driving connecting rod and the first pull rod, and the second rocker is used for being connected with the upper end of the second pull rod.

The first rocker is provided with a first hanging shaft, the first hanging shaft vertically penetrates through the first rocker and two connecting ends are formed on two sides of the first hanging shaft respectively, and the two connecting ends are used for rotatably connecting the driving connecting rod and the first pull rod respectively; and a second hanging shaft is arranged on the second rocker, is vertically connected to the second rocker and forms a connecting end which is rotatably connected with the second pull rod on one side of the second rocker.

The lower end of the driving connecting rod is rotatably connected with the output end of the crank assembly, and the upper end of the driving connecting rod is rotatably connected with one end of the first hanging shaft.

The lower end of the first pull rod is rotatably connected with the upper tool rest through the lower pull rod seat, and the upper end of the first pull rod is rotatably connected with the other end of the first hanging shaft through the upper pull rod seat.

The lower end of the second pull rod is rotatably connected with the lower tool rest through the lower pull rod seat, and the upper end of the second pull rod is rotatably connected with the second hanging shaft through the upper pull rod seat.

The tool lifting device is characterized in that a guide sliding assembly is arranged between the tool lifting assembly and the stand vertical plate, the guide sliding assembly comprises a linear guide rail arranged on the outer side of the stand vertical plate and guide sliding blocks arranged on the upper tool rest and the lower tool rest, and the guide sliding blocks are in sliding fit on the linear guide rail.

The utility model is used for jacquard device's crank rocker drive mechanism, structural design is firm, has ensured the fuselage operation reliable and stable, compares with this several kinds of transmission of chain drive, steel gear drive and cam drive in the past, and the structure is more succinct, the operation is stable, efficiency is higher. The crank rocker is adopted for transmission, and the lubricating device has the characteristics of simple structure, light transmission weight, small inertia, low noise and high lubricating property.

Drawings

FIG. 1: the crank rocker transmission mechanism for the jacquard device in the first embodiment is structurally schematic;

FIG. 2: FIG. 1 is a schematic side view of the structure;

FIG. 3: the crank assembly is in a schematic structure;

in the figure, 1, a frame, 1a, a stand, 1b, a frame vertical plate, 2, a crank assembly, 21, a crank, 22, a connecting part, 23, an output end, 3, a rocking shaft assembly, 31, a shaft rod, 32, a rocking arm, 32a, a first rocking rod, 32b, a second rocking rod, 32c, a first hanging shaft, 32d, a second hanging shaft, 4, a driving connecting rod, 6, a first pull rod, 7, a second pull rod, 8, an upper tool rest, 9, a lower tool rest, 10, a lifting tool, 11, a guide slide block, 12 and a linear guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

A crank rocker transmission mechanism for a jacquard device comprises a rack 1, a crank component 2 arranged on the rack 1, a rocking shaft component and a griffe component; the crank assembly 2 is used as a power output end of the mechanism, a driving connecting rod 4 is arranged between the crank assembly and the rocking shaft assembly, and the rocking shaft assembly is used as a power transmission part and is connected with the knife lifting assembly through a first pull rod 6 and a second pull rod 7 respectively; the lifting knife assembly is used as an action executing part and comprises an upper knife rest 8, a lower knife rest 9 and a lifting knife 10 which is respectively connected to the upper knife rest 8 and the lower knife rest 9.

The machine frame 1 comprises a stand platform 11 and two parallel machine frame vertical plates 12 vertically arranged on the stand platform 1a, the crank assembly 2 is arranged on the stand platform 1a, the rocking shaft assembly is mounted on the machine frame vertical plates 1b in a erecting mode, the driving connecting rod 4 is connected between the crank assembly 2 and the rocking shaft assembly, and the first pull rod 6 and the second pull rod 7 are connected between the rocking shaft assembly and the knife lifting assembly.

The crank assembly 2 comprises a crank 21, a coupling 22 and an output 23, the crank assembly 2 being in linkage with the drive link 4 via its output 23.

The rocker shaft assembly comprises a shaft lever 31 and a rocker arm 32 fixedly sleeved on the shaft lever 31, the rocker arm 32 is provided with a first rocker 32a and a second rocker 32b, two sides of the first rocker 32a and the second rocker 32b extend outwards, and the shaft lever 31 is rotatably installed between two parallel vertical plates 1b on the rack 1 through a revolute pair; a first hanging shaft 32c is arranged on a first rocker 32a of the rocker 32, the first hanging shaft 32c vertically penetrates through the first rocker 32a and two connecting ends are formed on two sides of the first rocker, the two connecting ends are respectively used for being connected with a driving connecting rod 4 and a first pull rod 6, the lower end of the driving connecting rod 4 is rotatably connected with an output end 23 of the crank assembly 2, and the upper end of the driving connecting rod 4 is rotatably connected with one end of the first hanging shaft 32c on a first arm plate 32a of the rocker 32. The upper end of the first pull rod 6 is rotatably connected with the other end of a first hanging shaft 32c on a first arm plate 32a of the rocker arm 32 through a pull rod upper seat, and the lower end of the first pull rod 6 is rotatably connected with the upper tool rest 8 through a pull rod lower seat; a second hanging shaft 32d is arranged on a second rocker 32b of the rocker 32, the second hanging shaft 32d is vertically connected to the second rocker 32b and forms a connecting end with the second pull rod 7 at one side thereof, the upper end of the second pull rod 7 is rotatably connected with the second hanging shaft 32d on the second arm plate 32b of the rocker 32 through a pull rod upper seat, and the lower end of the second pull rod 7 is rotatably connected with the lower tool rest 8 through a pull rod lower seat.

Be provided with direction slip subassembly between griffe subassembly and frame riser 12, direction slip subassembly includes linear guide 12 that sets up in the frame riser 12 outside to and the direction slider 11 that sets up on top rest 8 and lower knife rest 9, through direction slider 11 sliding fit on linear guide 12, realize two knife rests along the upper and lower slip of frame riser 12.

The crank rocker transmission mechanism for the jacquard device of the embodiment has the following design principle and operation process:

the crank assembly 2 acts, the output power is transmitted to the first rocker 32a of the rocking shaft assembly by the driving connecting rod 4, under the action of the shaft rod 31, the first rocker 32a and the second rocker 32b of the rocking shaft assembly swing up and down along a preset motion track by taking the shaft rod 31 as an axis, and then the first pull rod 6 and the second pull rod 7 which are linked at the lower ends of the first rocker 32a and the second rocker 32b drive the upper tool rest 8 and the lower tool rest 9 to reciprocate up and down relatively.

The crank rocker transmission mechanism for the jacquard device has firm structural design, ensures stable and reliable operation of the machine body, and has simpler structure, stable operation and higher efficiency compared with the prior chain transmission, steel gear transmission and cam drive transmission modes. The crank rocker is adopted for transmission, and the lubricating device has the characteristics of simple structure, light transmission weight, small inertia, low noise and high lubricating property.

Claims (8)

1. A crank rocker drive mechanism for jacquard device, its characterized in that, including the frame to and install in the frame:

the crank assembly is used as a power output end of the mechanism, and the output of the crank assembly is connected with the driving connecting rod and is connected with the rocker assembly through driving connection control;

the rocking shaft assembly is used as a power transmission part, is connected with the crank assembly through a driving connecting rod and is respectively connected with the knife lifting assembly through a first pull rod and a second pull rod;

the lifting knife assembly is used as an action execution part and comprises an upper knife rest, a lower knife rest and a lifting knife which is respectively connected to the upper knife rest and the lower knife rest.

2. Crank rocker drive for jacquard devices according to claim 1,

the machine frame comprises a stand platform and two parallel machine frame vertical plates vertically arranged on the stand platform, the crank assembly is arranged on the stand platform, the rocking shaft assembly is erected on the machine frame vertical plates, the driving connecting rod is connected between the crank assembly and the rocking shaft assembly, and the first pull rod and the second pull rod are connected between the rocking shaft assembly and the knife lifting assembly.

3. Crank rocker drive for jacquard devices according to claim 2,

the rocking shaft assembly comprises a shaft lever and a rocking arm fixedly sleeved on the shaft lever, the rocking arm is provided with a first rocking lever and a second rocking lever, two sides of the first rocking lever and the second rocking lever extend outwards, and the shaft lever is rotatably arranged between vertical plates of the stand through a revolute pair; the first rocker is used for being connected with the upper ends of the driving connecting rod and the first pull rod, and the second rocker is used for being connected with the upper end of the second pull rod.

4. Crank rocker drive for jacquard devices according to claim 3,

the first rocker is provided with a first hanging shaft, the first hanging shaft vertically penetrates through the first rocker and two connecting ends are formed on two sides of the first hanging shaft respectively, and the two connecting ends are used for rotatably connecting the driving connecting rod and the first pull rod respectively; and a second hanging shaft is arranged on the second rocker, is vertically connected to the second rocker and forms a connecting end which is rotatably connected with the second pull rod on one side of the second rocker.

5. Crank rocker drive for jacquard devices according to claim 4,

the lower end of the driving connecting rod is rotatably connected with the output end of the crank assembly, and the upper end of the driving connecting rod is rotatably connected with one end of the first hanging shaft.

6. Crank rocker drive for jacquard devices according to claim 5,

the lower end of the first pull rod is rotatably connected with the upper tool rest through the lower pull rod seat, and the upper end of the first pull rod is rotatably connected with the other end of the first hanging shaft through the upper pull rod seat.

7. Crank rocker drive for jacquard devices according to claim 6,

the lower end of the second pull rod is rotatably connected with the lower tool rest through the lower pull rod seat, and the upper end of the second pull rod is rotatably connected with the second hanging shaft through the upper pull rod seat.

8. Crank rocker drive for jacquard devices according to claim 2,

the tool lifting device is characterized in that a guide sliding assembly is arranged between the tool lifting assembly and the stand vertical plate, the guide sliding assembly comprises a linear guide rail arranged on the outer side of the stand vertical plate and guide sliding blocks arranged on the upper tool rest and the lower tool rest, and the guide sliding blocks are in sliding fit on the linear guide rail.

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