CN219099518U

CN219099518U - Edge shearing device applied to computer roller car

Info

Publication number: CN219099518U
Application number: CN202320035016.0U
Authority: CN
Inventors: 卢森勇; 卢森旺; 卢锦岳
Original assignee: Zhejiang Senbell Sewing Machine Co ltd
Current assignee: Zhejiang Senbell Sewing Machine Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-30
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses an edge shearing device applied to a computer roller car, which comprises an eccentric wheel, wherein a through hole is formed in the surface of the eccentric wheel, the through hole is connected with a roller car driving shaft, a large connecting rod is arranged on the outer surface of the eccentric wheel, a swing crank is arranged at the lower end of the large connecting rod, a fixing frame is arranged on one side of the swing crank, short pins are arranged in the fixing frame and the swing crank, the fixing frame and the swing crank are connected in series through the short pins, long pins are arranged in the large connecting rod, the swing crank and the small connecting rod, the large connecting rod, the swing crank and the small connecting rod are connected in series through the long pins, and a clutch shaft is arranged in the small connecting rod. Through the structure, the device has the advantages of simple workpiece processing and assembling process, convenient maintenance and replacement, one-time completion of the thorn seam and the trimming edge, no need of secondary trimming, labor cost reduction and work efficiency improvement.

Description

Edge shearing device applied to computer roller car

Technical Field

The utility model relates to the technical field of industrial thick material sewing machines, in particular to an edge shearing device applied to a computerized roller-blind vehicle.

Background

The computerized roller is one of industrial thick material sewing machines, and has computerized control technology to realize automatic sewing in one or several layers of sewing material, and has lock stitch, and the lock stitch is neat, beautiful, smooth and firm and may be used in sewing various kinds of leather, artificial fiber, cloth and other fabric. The sewing machine is mainly used for sewing leather shoes, bags, cushions and the like.

In the existing common computer roller car, no edge shearing device is arranged, the stitch after material sewing is not level with the edge of the material or the edges between a plurality of materials, and the working procedure is needed to be arranged for manually shearing with scissors or electric scissors for the second time, so that the shearing effect is poor, and the working efficiency is low. At present, foreign imported computer roller trucks are provided, which are lower vibrating knife devices for cutting edges while punching seams, but due to the structural design of vibrating cutting materials, flatness of cutting discharging edges is limited, effects are poor, tooth shapes are arranged on the cutting rear edges, thick materials cannot be cut, and the vibrating roller trucks are high in price and cannot be commonly accepted by users.

The technology solves the defects in the prior art on the premise of not influencing the existing thorn seam, rotation load and noise: the trimming device mainly comprises a transmission eccentric wheel assembly, a large connecting rod, a small connecting rod, a support, a tool apron assembly, a clutch mechanism, a scissor blade, a needle plate, a middle seat and the like, wherein a computerized roller car is used for carrying out a thorn seam to complete trimming operation once, the thorn seam is trimmed while the trimming operation is continuous, the trimming operation is not needed to be carried out for the second time, the trimmed edge is level and attractive, the thickness, the thinness, the width and the narrowness are all suitable, the working efficiency is improved, and the sewing quality is greatly improved.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a trimming device applied to a computerized roller car.

In order to achieve the above object, a trimming device for a computer roller car is provided, comprising: the eccentric wheel is provided with a through hole on the surface, the through hole is connected with a roller main driving shaft, a large connecting rod is arranged on the outer surface of the eccentric wheel, a swing crank is arranged at the lower end of the large connecting rod, a fixing frame is arranged on one side of the swing crank, short pins are arranged in the fixing frame and the swing crank, the fixing frame and the swing crank are connected in series through the short pins, long pins are arranged in the large connecting rod, the swing crank and the small connecting rod, the large connecting rod, the swing crank and the small connecting rod are connected in series through the long pins, and a clutch shaft is arranged in the small connecting rod;

the one end of little connecting rod is equipped with the through-hole, one side of little connecting rod is provided with guide slot, blade holder body, the clutch axle passes through the through-hole and guide slot of little connecting rod, blade holder body coupling, install the regulation fixing base on the blade holder body, install the scissors blade on the regulation fixing base, one side fixedly connected with well seat of roller car organism, fixedly connected with faller on the fixed orifices of well seat.

According to the edge shearing device applied to the computer roller car, one side of the needle plate is provided with the cutting edge, and the shearing blade and the side of the needle plate with the cutting edge form close-fit intersection.

According to the edge shearing device applied to the computer roller car, the cutter holder body is provided with the guide rod and the guide shaft, and the guide rod and the guide shaft are respectively connected with two parallel through holes arranged on the cutter holder body.

According to the edge shearing device applied to the computer roller car, the roller car body is fixedly provided with the support, the tool apron body is fixed on the support, and the guide groove is fixed on the support and is provided with the inner sliding groove.

According to the edge shearing device applied to the computer roller car, one side of the clutch shaft is fixedly connected with a clutch knob.

The utility model aims to provide an edge shearing device applied to a computer roller car, which mainly has the innovation points that:

the utility model has the advantages of simple processing and assembling process of workpieces, convenient maintenance and replacement, one-time completion of the thorn seam and the trimming edge, no need of secondary trimming, labor cost reduction and work efficiency improvement.

Under the premise of ensuring that the seam of the thorn stitch of the Rola car is not affected, the machine is stable and smooth in operation, light in noise, stable in edge shearing effect, straight and attractive, the minimum edge shearing width can reach 1.2mm from the seam of the thorn stitch, and the edge shearing thickness reaches 8mm.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

fig. 1 is an exploded schematic view of a trimming device for a roller car according to the present utility model.

Legend description:

1. an eccentric wheel; 2. a large connecting rod; 3. a fixing frame; 4. a rocking crank; 5. a small connecting rod; 6. a clutch shaft; 7. a clutch knob; 8. a guide rod; 9. a guide groove; 10. a tool apron body; 11. adjusting the fixing seat; 12. a shear blade; 13. a guide shaft; 14. a needle plate; 15. a middle seat; 16. a bracket; 3a, long pin; 4a, short zodiac.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1, an edge shearing device applied to a computer roller car of the embodiment of the utility model comprises an eccentric wheel 1, wherein the surface of the eccentric wheel 1 is provided with a through hole, the through hole is connected with a roller car driving shaft, the outer surface of the eccentric wheel 1 is provided with a large connecting rod 2, the eccentric wheel 1 and a protecting cover 1a are driven by the roller car driving shaft to rotate through a motor, so that the large connecting rod 2 is driven to reciprocate up and down along with the eccentricity of the eccentric wheel 1, the large connecting rod 2 drives a swinging crank 4 to swing, a small connecting rod 5 moves up and down along with the swinging crank 4, the lower end of the large connecting rod 2 is provided with a swinging crank 4, one side of the swinging crank 4 is provided with a fixing frame 3, the fixing frame 3 is fixed on a roller car body, the fixing frame 3 and the swinging crank 4 are internally provided with short pins 4a, the fixing frame 3 and the swinging crank 4 are connected in series through the short pins 4a, the large connecting rod 2, the swinging crank 4 and the small connecting rod 5 are internally provided with long pins 3a, and the large connecting rod 2 and the swinging crank 4 are connected in series through the long pins 3a, and the small connecting rod 5 are internally provided with a clutch shaft 6;

one end of the small connecting rod 5 is provided with a through hole, one side of the small connecting rod 5 is provided with a guide groove 9 and a tool apron body 10, the clutch shaft 6 passes through the through hole of the small connecting rod 5 and is connected with the guide groove 9 and the tool apron body 10, the guide groove 9 plays a role in guiding up and down, so that the clutch shaft 6 reciprocates up and down along the long groove direction, and the shaft end of the clutch shaft 6 is ensured to be positioned at a bayonet groove 10c of the tool apron body 10; the small connecting rod 5 is provided with a high-low cross groove 5c at the matching end of the clutch knob 7, when the small connecting rod is screwed into the high-level groove, the clutch shaft 6 is tightly attached to a sliding plane outside the bayonet groove 10c of the tool holder body 10 under the pulling and springing action of a spring arranged on the shaft when the small connecting rod is rotated into the low-level groove, along with the up-down reciprocating movement of the small connecting rod 5, the small connecting rod automatically slides into the bayonet groove 10c of the tool holder body 10, the tool holder body 10 is provided with an adjusting fixing seat 11, the adjusting fixing seat 11 is provided with a sliding groove, the shearing blade 12 is matched with the tightness of the edge of the needle plate 14 according to the width of the shearing edge, the adjusting fixing seat 11 is provided with the shearing blade 12, the shearing blade 12 is provided with a long groove, the shearing blade 12 can be adjusted according to the trimming amplitude, the long groove type gasket is simultaneously locked and fixed by two screws, one side of the roller car body is fixedly connected with a middle seat 15, and the needle plate 14 is fixedly connected with a fixing hole of the middle seat 15.

The cutting edge with certain inclination and hardness is processed on one side of the needle plate 14, the scissors blades 12 and the cutting edge of the needle plate 14 form tight fit and cross, the cutter holder body 10 is provided with the guide rod 8 and the guide shaft 13 and are respectively connected with two parallel through holes arranged on the cutter holder body 10, so that the cutter holder body 10 moves up and down along the guide rod 8 and the guide shaft 13, the guide rod 8 adopts L-shaped and left and right adjustable groove-shaped hole sites, the processing precision of each part can be greatly reduced, the assembly and adjustment are more flexible, the matching among the guide rod 8, the support 16, the guide shaft 13 and the cutter holder body 10 is more coordinated, particularly the matching between the two sliding holes of the cutter holder body 10 and the angle matching of the scissors blades 12 are more easily adjusted, the roller car body is fixedly provided with the support 16, the cutter holder body 10 is fixedly arranged on the support 16, the guide groove 9 is fixedly arranged on the support 16 and is provided with an inner sliding groove, and has the functions of fixing and guiding the clutch shaft 6, the clutch shaft 6 moves reciprocally up and down along the direction of the chute, one side of the clutch shaft 6 is fixedly connected with a clutch knob 7, when the small connecting rod 5 moves to drive the clutch shaft 6, the clutch shaft 6 can be engaged or connected with the notch of the cutter holder body 10, a spring is arranged on the clutch shaft 6, the clutch knob 7 is clamped on the clamping groove on the small connecting rod 5 after rotating the clutch shaft 6, when the clutch shaft 6 needs to be connected, the clutch shaft 6 is automatically rebounded through the spring to be connected with the notch of the cutter holder body 10, under the action of the rotating elasticity of the clutch knob 7 and the spring, the clutch shaft 6 is completely pulled out of the clamping groove of the cutter holder body 10, when the clutch shaft 6 is disengaged, the clutch knob 7 is pulled out and rotated clockwise, and finally clamped on the transverse groove of the small connecting rod 5, at the moment, the end of the clutch shaft 6 is completely separated from the cutter holder body 10, the scissor mechanism of the cutter holder body 10 stops working, and the clutch knob 7 rotates anticlockwise for 90 degrees to be released, and rotates along with the machine, the clutch shaft 6 automatically rebounds into the clamping groove of the tool apron body 10 to drive the scissor mechanism to work; the clutch scissor mechanism is used for enabling the scissor blade 12 not to move up and down through the clutch shaft 6 and the knife holder body 10 when edge shearing is not needed, is used for sewing only and edge shearing, is multipurpose, can reduce abrasion of the scissor blade 12, and improves operation safety.

Working principle: when the tool apron body is used, the motor is used for driving the spindle of the roller car to rotate and driving the eccentric wheel 1 to rotate along the axis of the spindle, the eccentric wheel 1 drives the large connecting rod 2 to reciprocate up and down according to the eccentric amplitude, the large connecting rod 2 drives the swinging crank 4 to swing up and down and simultaneously drives the small connecting rod 5 to reciprocate up and down, and simultaneously drives the clutch shaft 6 which passes through the lower hole of the small connecting rod 5 and passes through the guide groove 9 to be clamped into the clamping groove of the tool apron body 10, so that the tool apron body 10 also reciprocates up and down along with the small connecting rod 5, and the cutting edge of the needle plate 14 which is tightly matched and intersected with the shearing blade 12 is driven to form up and down shearing.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides an use at trimming device of computer roller car which characterized in that includes: the eccentric wheel (1), the through-hole has been seted up on the surface of eccentric wheel (1), the through-hole is connected with roller car main shaft, the surface of eccentric wheel (1) is provided with big connecting rod (2), the lower extreme of big connecting rod (2) is provided with rocking crank (4), one side of rocking crank (4) is provided with mount (3), the inside of rocking crank (4) is provided with short zodiac (4 a), mount (3), rocking crank (4) concatenate through short zodiac (4 a), the inside of big connecting rod (2), rocking crank (4), little connecting rod (5) is provided with long zodiac (3 a), big connecting rod (2), rocking crank (4), little connecting rod (5) concatenate through long zodiac (3 a), the inside of little connecting rod (5) is provided with clutch shaft (6);

the one end of little connecting rod (5) is equipped with the through-hole, one side of little connecting rod (5) is provided with guide slot (9), blade holder body (10), clutch shaft (6) pass through the through-hole and guide slot (9) of little connecting rod (5), blade holder body (10) are connected, install on blade holder body (10) and adjust fixing base (11), install on adjusting fixing base (11) scissor blade (12), one side fixedly connected with well seat (15) of roller car organism, fixedly connected with faller (14) on the fixed orifices of well seat (15).

2. The edge shearing device applied to the computerized roller car as claimed in claim 1, wherein one edge of the needle plate (14) is provided with a cutting edge, and the shearing blade (12) and the edge of the needle plate (14) with the cutting edge form a close-fit intersection.

3. The trimming device applied to the computer roller car according to claim 1, wherein the tool holder body (10) is provided with a guide rod (8) and a guide shaft (13) which are respectively connected with two parallel through holes arranged on the tool holder body (10).

4. The edge shearing device applied to the computer roller car as claimed in claim 1, wherein a support (16) is fixed on the roller car body, the tool apron body (10) is fixed on the support (16), and the guide groove (9) is fixed on the support (16) and is provided with an inner sliding groove.

5. The trimming device applied to the computerized roller car according to claim 1, wherein one side of the clutch shaft (6) is fixedly connected with a clutch knob (7).