CN209919974U

CN209919974U - Automatic cutting device for rubber floor

Info

Publication number: CN209919974U
Application number: CN201920154243.9U
Authority: CN
Inventors: 李升飞; 陈维江
Original assignee: Shaanxi Yintong Rubber Industry And Trade Co Ltd
Current assignee: Shaanxi Yintong Rubber Industry And Trade Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-01-10
Anticipated expiration: 2029-01-29

Abstract

The utility model discloses an automatic cutting device on rubber floor, include two knife rests that the offset plate goes out the setting of roller position department and the knife rest reciprocating motion device that corresponds at rubber, the knife rest front end install the blade, knife rest reciprocating motion device include eccentric cam, slide bar and cover at the outside spring of slide bar, the tail end of slide bar is hugged closely on eccentric cam's wheel edge, eccentric cam rotates, promotes the pressure reciprocating motion that the spring was overcome to the slide bar to drive the knife rest along the cutting part direction reciprocating motion of blade. The utility model discloses a reciprocating motion mechanism has realized the reciprocating motion of blade, has avoided having the dead point between blade and the rubber floor in the traditional cutting, leads to the wearing and tearing that generate heat of blade local point, becomes the point contact into line contact to prolonged the blade change time, finally guaranteed the cutting quality on rubber floor, and full automation, cut efficient and greatly reduced the cost of labor.

Description

Automatic cutting device for rubber floor

Technical Field

The utility model belongs to the technical field of rubber production, concretely relates to automatic cutting device of rubber floor.

Background

In the preparation and production of the rubber floor, the rubber sheet is generally made to be wider than the size required by a customer, and the waste edges on two sides of the rubber sheet are cut according to the requirement of the customer after the rubber sheet is made. Because there is not special cutting edge equipment, consequently the cutting edge all is manual operation, does not only the human cost height but also inefficiency like this, and manual operation has the maloperation.

Chinese patent 'a rubber floor dead weight cutting device' of application number 201420491189.4 introduces a rubber floor cutting device, including the cutter arbor, be provided with the blade holder on the cutter arbor, be provided with the blade holder fastener on the blade holder, connect the blade on the blade holder, the cutting edge department of blade is provided with cuts the gyro wheel, cuts the gyro wheel and is connected with the motor. The utility model discloses a solve the sheet rubber cutting edge with high costs, efficient to manual operation can have the technical defect of error. However, in practical application, the dead point heating problem of the cutter exists, and the main reason is that although the cutting edge of the cutter has a certain length, only one fixed dead point on the cutting edge is in contact with the rubber floor when the cutter cuts, and the rubber floor is easy to wear and generate heat or become blunt at a single point, so that the blade needs to be replaced at intervals, and if the blade is not replaced timely, the cutting quality of the floor is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reciprocating motion's cutter structure realizes the continuous cutting on rubber floor, does not have the dead point problem in the cutting, has prolonged the blade change time greatly to cutting precision and quality have been ensured.

The technical scheme of the utility model as follows:

the utility model provides an automatic cutting device on rubber floor, includes two knife rests that the position department set up of rubber slab play roller and the knife rest reciprocating motion device that corresponds at rubber, the knife rest front end install the blade, knife rest reciprocating motion device include eccentric cam, slide bar and cover at the outside spring of slide bar, the tail end of slide bar is hugged closely on the wheel edge of eccentric cam, eccentric cam rotates, promotes the pressure reciprocating motion that the spring was overcome to the slide bar to drive the knife rest along the cutting part direction reciprocating motion of blade.

In the automatic cutting device for the rubber floor, the two eccentric cams are fixed on the same rotating shaft, and driven wheels are arranged at two ends of the rotating shaft and are connected with driving wheels arranged at two ends of the first rotating roller through belts.

In the automatic cutting device for the rubber floor, the diameter ratio of the driven wheel to the driving wheel is 3: 1-5: 1.

In the automatic cutting device for the rubber floor, the tail end of the sliding rod is of a boss structure, and the spring is arranged between the tail end of the sliding rod and the rack.

In the automatic cutting device for the rubber floor, the rotating speed of the eccentric cam and the rotating shaft is 0.5-1 revolution per minute.

In the automatic cutting device for the rubber floor, the blade is clamped in the corresponding tool rest and is fixed by the screw.

In the automatic cutting device for the rubber floor, the raw rubber plate passes through the gap between the first rotating roller and the second rotating roller and is wound out from the upper part of the third rotating roller under the traction of the power device.

In the automatic cutting device for the rubber floor, the first rotating roller is a driving roller.

The utility model discloses following useful technological effect has:

1. the utility model discloses a reciprocating motion mechanism has realized the reciprocating motion of blade, has avoided having the dead point between blade and the rubber floor in the traditional cutting, leads to the wearing and tearing that generate heat of blade local point, becomes the point contact into line contact to prolonged the blade change time, finally guaranteed the cutting quality on rubber floor, and full automation, cut efficient and greatly reduced the cost of labor.

2. The power source of the reciprocating mechanism of the utility model comes from the transmission power roller of the rubber floor, and the blade reciprocating mechanism also starts and stops working with the power roller as long as the power roller stops working, thus saving a set of motor transmission and control equipment, and the two reciprocating mechanisms are driven by one rotating shaft, so that the structure of the whole mechanism is compact; in addition, the transmission system adopts a chain transmission mechanism with a certain reduction ratio, so that the reciprocating mechanism works in a low-speed state, and the cutting processing requirement of the rubber floor is met.

3. The utility model discloses an eccentric cam and connecting rod combined mechanism have realized the reciprocating motion of cutter, and the mechanism is simple reliable, and the practicality is strong.

Drawings

FIG. 1 is a schematic view of the roller discharging mode and cutting principle of the rubber floor of the present invention;

FIG. 2 is a schematic view of the working principle of the reciprocating mechanism of the cutting knife of the present invention;

fig. 3 is the utility model discloses cut device and change roller overall arrangement installation sketch map.

The reference signs are: 1-a first rotating roller; 2-a second rotating roller; 3-third roller; 4-raw rubber plate; 5, a blade; 6, a tool rest; 7-traction direction; 11-tail end; 12-a slide bar; 13-a spring; 14-a frame; 15-an eccentric cam; 16-a base; 17-a driven wheel; 18-a driving wheel; 19-a belt; 20-rubber plate; 21-cutting a seam; 22-rotating shaft.

Detailed Description

As shown in fig. 1, in the rubber floor processing, after being squeezed through a gap between a first rotating roller 1 and a second rotating roller 2, a raw rubber plate 4 moves around a third rotating roller 3 and along a traction direction 7 under the traction of a power device, wherein the first rotating roller 1 is a power roller, and the second rotating roller 2 and the third rotating roller 3 are driven rollers.

Blade 5 sets up the rubber roll board near third commentaries on classics roller 3 and goes out roller position department, and the direction of raw offset plate 4 coiling is upwards, and the blade of blade 5 is down, utilizes winding tension to carry out automatic cutout to the edge of raw offset plate 4, cuts off the deckle edge of raw offset plate to satisfy customer's dimensional requirement. Blade 5 is the point contact with raw plywood 4 among the current scheme, causes the local point of blade to generate heat and become blunt easily in the cutting, influences the cutting quality, the utility model discloses one set of reciprocating mechanism has been increased in the system, becomes the line contact with the point contact to above problem has been overcome.

As shown in fig. 2 and 3, the automatic cutting device comprises two knife rests 6 and corresponding knife rest reciprocating devices, and a corresponding blade 5 is arranged at the front end of each knife rest; the reciprocating movement device of the tool rest comprises an eccentric cam 15, a sliding rod 12 and a spring 13 sleeved outside the sliding rod, wherein the tail end 11 of the sliding rod 12 is of a boss structure, namely the tail end 11 is larger than the middle part of a rod body in diameter, and the spring 13 is arranged between the tail end 11 of the sliding rod and a rack 14. The tail end 11 of the slide rod is tightly attached to the wheel edge of the eccentric cam 15, and when the eccentric cam 15 rotates, the slide rod 12 is pushed to overcome the pressure of the spring 13 to reciprocate, so that the knife rest 6 is driven to reciprocate along the edge direction of the blade, the reciprocating cutting of the rubber floor is realized, and point contact is changed into line contact. Wherein the insert is held in the holder 6 and secured by screws with part of the cutting edge exposed.

As shown in fig. 3, a rotating shaft 22 is arranged on the frame near the rotating roller, the direction of the rotating shaft 22 is parallel to the rotating roller, two eccentric cams 15 are fixed on the same rotating shaft 22, two driven wheels 17 are arranged at two ends of the rotating shaft 22, two driving wheels 18 are arranged at two ends of the power roller, namely the first rotating roller 1, the driven wheels 17 and the driving wheels 18 are in transmission connection through a belt 19, the diameter ratio of the driven wheels 17 to the driving wheels 18 is 3: 1-5: 1, and speed reduction transmission is realized, so that the rotating speed of the eccentric cams 15 and the rotating shaft 22 is 0.5-1 revolution per minute. The blade 5 reciprocates to form a cut 21 on the raw rubber sheet 4, and the raw edges of the rubber floor are neatly cut.

The utility model discloses reciprocating mechanism's power supply comes from rubber floor's transmission power roller, can realize that reciprocating mechanism and power change the follow-up of roller open and stop, and two reciprocating mechanism adopt a pivot to drive for whole mechanism's compact structure makes knife rest reciprocating motion at a slow speed through the chain drive that slows down, has satisfied rubber floor's cutting demand, has ensured product quality.

Claims

1. The utility model provides an automatic cutting device on rubber floor which characterized in that: the rubber plate cutting machine comprises two tool rests (6) and corresponding tool rest reciprocating devices, wherein the two tool rests (6) and the corresponding tool rest reciprocating devices are arranged at the position of a rubber raw rubber plate (4) outlet roller, a blade (5) is installed at the front end of each tool rest, each tool rest reciprocating device comprises an eccentric cam (15), a sliding rod (12) and a spring (13) sleeved outside the sliding rod, the tail end (11) of each sliding rod is tightly attached to the wheel edge of the eccentric cam (15), the eccentric cam (15) rotates, the sliding rod (12) is pushed to overcome the pressure reciprocating motion of the spring (13), and therefore the tool rests (6) and the blade are driven to reciprocate along the axis direction of the sliding rods.

2. The automatic cutting device for rubber floors according to claim 1, characterized in that: two eccentric cams (15) are fixed on the same rotating shaft (22), driven wheels (17) are arranged at two ends of the rotating shaft (22), and the two eccentric cams are in transmission connection with driving wheels (18) arranged at two ends of the first rotating roller (1) through belts (19).

3. The automatic cutting device for rubber floors as claimed in claim 2, characterized in that: the diameter ratio of the driven wheel (17) to the driving wheel (18) is 3: 1-5: 1.

4. The automatic cutting device for rubber floors according to claim 1, characterized in that: the tail end (11) of the sliding rod (12) is of a boss structure, and the spring (13) is arranged between the tail end (11) of the sliding rod and the rack (14).

5. The automatic cutting device for rubber floors according to claim 1, characterized in that: the rotating speed of the eccentric cam (15) and the rotating shaft (22) is 0.5-1 revolution per minute.

6. The automatic cutting device for rubber floors according to claim 1, characterized in that: the insert (5) is clamped in a corresponding tool holder (6) and is fixed with screws.

7. The automatic cutting device for rubber floors according to claim 1, characterized in that: the raw rubber plate (4) passes through the gap between the first rotating roller (1) and the second rotating roller (2) and is wound out from the upper part of the third rotating roller (3) under the traction of a power device.

8. The automatic cutting device for rubber floors as claimed in claim 7, characterized in that: the first rotating roller (1) is a driving roller.