KR101567350B1 - Thomson press - Google Patents

Thomson press Download PDF

Info

Publication number
KR101567350B1
KR101567350B1 KR1020150118943A KR20150118943A KR101567350B1 KR 101567350 B1 KR101567350 B1 KR 101567350B1 KR 1020150118943 A KR1020150118943 A KR 1020150118943A KR 20150118943 A KR20150118943 A KR 20150118943A KR 101567350 B1 KR101567350 B1 KR 101567350B1
Authority
KR
South Korea
Prior art keywords
timing belt
disposed
drive shaft
tensioner
transfer table
Prior art date
Application number
KR1020150118943A
Other languages
Korean (ko)
Inventor
임기영
Original Assignee
주식회사 금영기계
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 금영기계 filed Critical 주식회사 금영기계
Priority to KR1020150118943A priority Critical patent/KR101567350B1/en
Application granted granted Critical
Publication of KR101567350B1 publication Critical patent/KR101567350B1/en

Links

Images

Classifications

    • B31B1/14—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

According to the present invention, a Thomson press comprises: a lifting means disposed on a lower portion of a main body, performing a vertical stroke on a work die by a rotational motion of a crank to which a pair of links symmetric about a center selectively transfers a rotational force by a clutch; a rack disposed on a lower surface of a left and a right side of a transport table in a front/rear longitudinal direction to move with the transport table along a guide frame extended from a left and a right side of the work die; a drive shaft fixated on a front surface of the work die to be rotated, and provided with a pinion gear disposed on a left and a right end thereof, geared with the rack disposed on the left and the right side of the transport table and a timing pulley disposed on a middle thereof; a servo motor wherein a timing pulley of the drive shaft and a rotation shaft thereof is connected to a timing belt, and the rotation shaft thereof selectively rotated in a forward or a reverse direction, supplying rotational force to the drive shaft through the timing belt; and an automatic tensioner arranged on one side of the timing belt with a bracket on a lower side of the work die to selectively press the timing belt depending on a rotation direction of the servo motor to adjust tension of the timing belt. The transport table is controlled to accurately stop at a corresponding stop position without the slightest error by the rack and the pinion gear. A rear end of the tensioner moving backwards by the tension of the timing belt which improves durability of a transport means to transport the transport table is detected to stop rotation of the drive shaft based on a signal detected by a proximity sensor to regulate a movement of the transport table to prevent the transport table from being pushed and moved backwards from a stopped point by inertia.

Description

Thomson Press.

More particularly, the present invention relates to a Thompson press, in which an upper mold is fixed to an upper portion of a main body, a work table for performing an upper and lower stroke motion is disposed on a lower portion of the upper mold, When the moving transfer table is moved to a work table, the work table is press-processed in the upward and downward stroke movements.

Typically, Thomson presses are used in a wide range of applications including sponges, automotive mats, automotive trunk flooring, automotive ceiling finishes, automotive interiors, coating fabrics, rubber, textiles, PU, PP, PS, artificial leather, It is the equipment that cuts the fabric of plywood etc. in large quantity.

These Thompson presses are being widely used in the industrial field of cutting fabrics recently because of the advantage of mass production such as reducing the number of workers compared to the production volume and improving the productivity.

Conventionally, many known techniques for cutting or punching with a cutter, a laser, or the like have been proposed in the shape cutting of a workpiece such as a sheet material. Among them, the shape cutting technique using a Thomson press is excellent in terms of processing speed and processing cost, .

As an example of the shape cutting by the Thomson press, a belt-shaped Thomson blade formed in a punching shape is generally used as a cutting blade for punching. In the case of a punching shape, a cutting edge of a cutting blade usually forms a ring shape, But may be formed in a desired irregular shape depending on the application.

The Thompson press includes a mold disposed at an upper portion and a work table disposed at a lower portion, and the mold can perform a vertical stroke motion.

The work table may be provided with a transfer table capable of moving back and forth along the rails, and the transfer table is provided with a fabric for forming a shape.

Therefore, when the transfer table on which the workpiece is placed is located in the working area of the mold bottom, the mold is elevated so that the workpiece is cut into a predetermined shape and then the transfer table is returned to the initial position after the mold is lowered The operation is terminated.

One example of such a conventional Thomson press is disclosed in Japanese Patent Laid-Open No. 10-0441670 (July 15, 2004). The upper mold is fixed, the work table disposed at the lower portion of the upper mold can perform the vertical stroke movement, A Thomson press having a transfer table mounted on the work table so that the transfer table can move back and forth along a rail, a lower mold mounted on the transfer table, and a sheet material for model cutting disposed on the lower mold, And a shock absorber is mounted on the lower surface of the transfer table which can be moved forward and backward by means of a shock absorber.

In the conventional Thomson press, the movement of the transfer table caused by the movement of the transfer table before and after the transfer and the movement of the transfer table due to the frequent operation of the transfer table causes the production of defective products, so that the transfer table can always be stopped at the correct position .

Therefore, the present invention is characterized in that racks are provided on the left and right bottom surfaces of the transfer table, and pinion gears, which are engaged with the racks at both ends of the left and right sides of the drive shaft, The gear is controlled so that the transfer table can be accurately stopped at the corresponding stop position without a single error, the durability of the transfer means for transferring the transfer table is improved, and when the transfer table is moved forward and backward in the work table, An auto tensioner for adjusting the tension is mounted and a proximity sensor is provided at the rear of the slider to detect the rear end of the tensioner retracted by the tension of the timing belt, The rotation is stopped, the movement of the transfer table is interrupted, and the transfer table is moved backward by the inertia at the stop point And to prevent Thompson presses from being pushed out.

The Thompson press according to the present invention is provided at a lower portion of a main body and includes a pair of links symmetrical with respect to a center of the main body, A rack which is provided in the front and rear longitudinal directions on the left and right bottom surfaces of the transfer table and moves together with the transfer table along a guide frame extending from the left and right sides of the work table, A drive shaft having a timing pulley at the center thereof, and a timing pulley and a rotation shaft of the drive shaft are connected to a timing belt And the rotation shaft selectively rotates in the normal rotation or the reverse rotation to provide a rotational force to the drive shaft through the timing belt Beams disposed on the motor and one side of the timing belt with brackets on the lower side of the work surface, to urge the timing belt selectively depending on the rotational direction of the servomotor, and a auto tensioner for adjusting the tension of the timing belt.

At this time, the auto tensioner according to the present invention is provided with an idler roller disposed on the front side and rolling on one side of the timing belt, and an idler roller pushed forward by the elastic repulsive force of the return spring at the rear of the idler roller, And a proximity sensor for sensing a rear end of a tensioner retracting due to a tensile force generated in the timing belt, wherein the proximity sensor detects a signal from the proximity sensor based on the signal detected by the proximity sensor The rotation of the drive shaft is stopped, and the movement of the transfer table is interrupted.

The tensioner according to the present invention is preferably supported by a bearing and slidably moved back and forth.

And a plurality of position sensors disposed along the guide frame according to the present invention for detecting the position of the transfer table.

The Thomson press according to the present invention has the following effects.

First, a rack is provided on the left and right bottom surfaces of the transfer table, and both ends of the left and right sides of the drive shaft, which receives the rotational force of the servo motor, are coupled with the rack. The transfer table is controlled so as to stop accurately at the stop position without an error of one value, and the durability of the transfer means for transferring the transfer table is improved.

Second, an auto tensioner for adjusting the tension of the timing belt is mounted when the transfer table is moved forward and backward in the work table, and a proximity sensor is provided at the rear of the slidably moving tensioner to retract the tensioner The rotation of the drive shaft is stopped on the basis of the signal detected by the proximity sensor to intermittently move the transfer table so as to prevent the transfer table from being pushed back by the inertia at the stop point .

FIG. 1 is an exemplary view showing the appearance of a Thomson press according to an embodiment of the present invention.
FIG. 2 is an exemplary view showing a state in which the lifting means of the Thomson press according to an embodiment of the present invention is operated.
FIG. 3 is a view showing an example of a main rack, a drive shaft, and an auto tensioner according to an embodiment of the present invention.
4 is an exemplary view showing an operation state of an auto tensioner according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, at the time of the present application, It should be understood that variations can be made.

FIG. 1 is an exemplary view showing the external appearance of a Thomson press according to an embodiment of the present invention, FIG. 2 is an exemplary view showing a state in which a lifting means of a Thomson press according to an embodiment of the present invention is operated, FIG. 4 is a view illustrating an operation state of an automatic tensioner according to an embodiment of the present invention. FIG. 4 is a view illustrating an operation state of an automatic tensioner according to an exemplary embodiment of the present invention.

The present invention is characterized in that an upper mold is fixed on the upper side of the main body, a transfer table is disposed on a lower side of the upper mold for mounting workpieces on the work table, The present invention relates to a Thompson press to be transferred, which will be described in more detail with reference to the drawings.

The Thompson press according to the present invention comprises a hexahedral body 100 as shown in FIG. 1, an opening part having an open interior for communicating the front and rear of the body 100, A control box is provided on either the left side or the right side.

The control box is provided with a button and a display for operating the apparatus, and a lamp for confirming the operation.

As shown in FIG. 2, an upper mold 110 is fixed to the upper side (upper side of the opening) of the main body 100, and a workbench 120 is disposed below the upper mold 110.

A tool such as a blade for pressing a work is installed on the bottom surface of the upper mold 110. The work table 120 is moved up and down by the elevating means 140 in the opening of the main body 100 .

The elevating means 140 is provided below the opening portion of the main body 100 which is the lower portion of the work table 120. The elevating means 140 includes a crank member 141 and a pair of links 142, .

The crank member 141 is disposed at the lower center of the open portion of the main body 100, and a power unit (not shown) that provides power to the hydraulic clutch (not shown) .

Accordingly, when the hydraulic clutch selectively transmits the power of the power unit to the crank member 141, the crank member 141 rotates the crank by the transmitted power.

As shown in FIG. 2, a pair of links 142 are disposed symmetrically with respect to the crank member 141, and the pair of links 142 are arranged in the & When the crank of the crank member 141 rotates, the length of the crank member 141 is expanded and contracted, and the work table 120 is moved up and down.

Therefore, a pair of links 142, which are symmetrical with the rotation of the crank of the crank member 141 by the power provided by the power unit, move up and down the work platform 120 according to the elevating means 140, The upper and lower molds 120 and 120 are lifted and lowered. As the worktable 120 is moved upward and downward, the upper and lower molds are pressed together.

2 and 3, the guide frame 121 extends forward from the left and right sides of the guide frame 121, and the guide frame 121 extends in the left- The transfer table 130 located on the work table 120 moves forward and backward.

A plurality of position sensors 122 are disposed along the guide frame 121 to determine the position of the transfer table 130 moving along the guide frame 121, Movement and stop are controlled.

A rack 131 is provided in the front and rear longitudinal directions on the left and right sides of the transfer table 130 so as to be movable along the guide frame 121 extending from the left and right sides of the work table 120, (130).

At this time, a guide is extended from one side of the racks 131, and the guide moves along the longitudinal direction of the guide frame 121 in the guide frame 121 to guide the movement locus of the transfer table 130 .

The movement of the transfer table 130 is performed by rotation of the pinion gears 151 engaged with the racks 131. The pinion gears 151 are provided on the drive shaft 150. [

The drive shaft 150 is rotatably fixed to the front surface of the work table 120 and is engaged with the rack 131 provided at the left and right sides of the transfer table 130 at both left and right ends of the drive shaft 150 And a timing pulley 152 is provided at the center of the drive shaft 150. The timing pulley 152 is disposed at the center of the drive shaft 150,

At this time, the timing pulley 152 is connected to the rotation shaft of the servo motor 160 by a timing belt 170. When the rotation shaft of the servo motor 160 selectively rotates in the normal or reverse direction, the timing belt 170 Provides a forward or reverse rotational force to the drive shaft 150 through the timing pulley 152. [

3, when the rotary shaft of the servo motor 160 selectively rotates in the forward or reverse direction, the driving shaft 150 is rotated through the timing pulley 152 connected to the timing belt 170 The pinion gears 151 provided at the left and right ends of the drive shaft 150 transfer the racks 131 in the forward and backward directions so that the feed table 130 moves in the forward and backward directions Move.

4, an auto tensioner 180 is disposed on one side of the timing belt 170. The auto tensioner 180 absorbs a change in the tension to adjust the tension of the timing belt 170 to be constant Thereby preventing deterioration of the belt noise and improving durability.

Herein, the tension of the timing belt 170 is controlled by selectively pressing the timing belt 170 in accordance with the rotation direction of the servo motor 160. In detail, when the auto tensioner 180 is viewed in detail, An idler roller 181 is disposed and rolls on one side of the timing belt 170.

A tensioner 182 is provided behind the idle roller 181. The tensioner 188 urges the idler roller 181 forward by an elastic repulsive force of the return spring 183 to provide tension to the timing belt 170. [

At this time, the tensioner 182 is supported by a tubular SC bearing so as to be slid forward and backward by the tension generated by the timing belt 170, and the tensioner 182 is rotated by an excessive tension of the timing belt 170 182) is retracted.

A proximity sensor 174 is provided behind the tensioner 182 so that when the tensioner 182 retracts due to excessive tension of the timing belt 170, the proximity sensor 174 retracts the tensioner 182 The rotation of the drive shaft 150 is broken and the movement of the transfer table 130 is interrupted.

A separate braking device (not shown) may be provided on the drive shaft 150 as a means for breaking the rotation of the drive shaft 150, A signal provided by the proximity sensor 174 is provided to the servo motor 160 and is transmitted to the drive shaft 150 through the timing belt 170 The rotation of the drive shaft 150 can be controlled by controlling the servo motor 160 that provides the rotational force.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: main body 110: upper mold
120: worktable 121: guide frame
122: Position sensor 130: Feed table
131: rack 140: elevating means
141: crank member 142: link
150: drive shaft 151: pinion gear
152: timing pulley 160: servo motor
170: timing belt 180: auto tensioner
181: idler roller 182: tensioner
183: return spring 184: proximity sensor

Claims (4)

A transfer table on which a workpiece is placed is disposed on a work table which is disposed at a lower portion of the upper mold and which is moved in an upward and downward stroke, Regarding the press,
A lifting means provided at a lower portion of the main body and causing the pair of links symmetrical with respect to the center to perform a vertical stroke of the work platform by a rotational motion of a crank selectively transmitting a rotational force by a clutch;
A rack which is provided in the front and rear longitudinal directions on the left and right bottom sides of the transfer table and moves together with the transfer table along guide frames extending from the left and right sides of the work table;
A driving shaft having a pinion gear which is rotatably fixed to the front surface of the work table and meshes with a rack provided at left and right sides of the conveyance table at left and right ends thereof,
A servo motor connected to the timing pulley and the rotary shaft of the drive shaft by a timing belt and selectively rotating in the forward or reverse direction to provide rotational force to the drive shaft through the timing belt; And
And an auto tensioner which is disposed at one side of the timing belt with a bracket below the work table and presses the timing belt selectively in accordance with the rotational direction of the servo motor to adjust the tension of the timing belt.
The method according to claim 1,
The auto tensioner
An idler roller disposed forward and rolling on one side of the timing belt;
A tensioner which slides forward and backward on the timing belt while pushing the idler roller forward by elastic resilience of the return spring at the rear of the idler roller, thereby providing tension to the timing belt;
And a proximity sensor for sensing a trailing end of a tensioner retracted by a tensile force generated from the timing belt, wherein the rotation of the drive shaft is stopped based on a signal sensed by the proximity sensor, .
The method of claim 2,
The tensioner
A Thomson press supported by bearings and slidingly moved back and forth.
The method according to claim 1,
And a plurality of position sensors disposed along the guide frame for detecting the position of the transfer table.
KR1020150118943A 2015-08-24 2015-08-24 Thomson press KR101567350B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150118943A KR101567350B1 (en) 2015-08-24 2015-08-24 Thomson press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150118943A KR101567350B1 (en) 2015-08-24 2015-08-24 Thomson press

Publications (1)

Publication Number Publication Date
KR101567350B1 true KR101567350B1 (en) 2015-11-10

Family

ID=54605387

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150118943A KR101567350B1 (en) 2015-08-24 2015-08-24 Thomson press

Country Status (1)

Country Link
KR (1) KR101567350B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190055330A (en) 2017-11-15 2019-05-23 김영희 Driving device for feeding table of thomson press
CN115503332A (en) * 2022-09-27 2022-12-23 江西汇和印务有限公司 Printing device for medicine packaging

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190055330A (en) 2017-11-15 2019-05-23 김영희 Driving device for feeding table of thomson press
CN115503332A (en) * 2022-09-27 2022-12-23 江西汇和印务有限公司 Printing device for medicine packaging
CN115503332B (en) * 2022-09-27 2024-04-26 江西汇和印务有限公司 Printing device for medicine packaging

Similar Documents

Publication Publication Date Title
HRP20171396T1 (en) Machine for cutting and/or pre-creasing a relatively rigid material, such as for example cardboard, a cutting and/or pre-creasing unit and the relative cutting and/or pre-creasing method
KR101423023B1 (en) Positioning conveyance device
KR101629229B1 (en) Flat steel bar auto cutting apparatus
CN205343337U (en) Plank processing equipment with locate function
WO2014145258A1 (en) Tire testing machine
CN203063302U (en) Automatic character rolling machine
KR101567350B1 (en) Thomson press
KR100958376B1 (en) Shape pouch press
CN112606100A (en) Device for paper sheet die cutting and creasing
CN215202374U (en) Crawler lightering type self-discharging blanking machine
KR101622960B1 (en) Blank guide device in flexible roll forming system
CN110961934B (en) Die casting processing and detecting integrated machine
CN218987930U (en) Novel feeding and discharging device in synchronization
CN210413712U (en) Automatic cutting device for steel belt
CN109702254B (en) Rack face milling equipment
CN106141908A (en) Vehicle glass plate cutting edging positioner
KR101008079B1 (en) Transfer table for servo thomson press
KR100984508B1 (en) Mold driving equipment for servo thomson press
CN205968610U (en) Car glass board cutting edging positioner
CN210795205U (en) Base station antenna insulation piece production line
EP0808689B1 (en) Device for stepwise feeding panels
CN109226785B (en) Machining device for square cavity end face of roller body workpiece
CN207292696U (en) Footwear box labelling machine
KR200405436Y1 (en) Structure of Drive of laminating machine
CN220480004U (en) Front and back feeding arm for full-automatic alignment slitting servo punching machine

Legal Events

Date Code Title Description
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20190219

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20191104

Year of fee payment: 5