CN112178147A - Die height indicator transmission mechanism of press machine - Google Patents

Die height indicator transmission mechanism of press machine Download PDF

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Publication number
CN112178147A
CN112178147A CN202010979687.3A CN202010979687A CN112178147A CN 112178147 A CN112178147 A CN 112178147A CN 202010979687 A CN202010979687 A CN 202010979687A CN 112178147 A CN112178147 A CN 112178147A
Authority
CN
China
Prior art keywords
chain wheel
shaft
output shaft
height indicator
die height
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202010979687.3A
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Chinese (zh)
Inventor
纪明东
滨崎宗贞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Cfg Machinery Industrial Co ltd
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Ningbo Cfg Machinery Industrial Co ltd
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 Ningbo Cfg Machinery Industrial Co ltd filed Critical Ningbo Cfg Machinery Industrial Co ltd
Priority to CN202010979687.3A priority Critical patent/CN112178147A/en
Publication of CN112178147A publication Critical patent/CN112178147A/en
Pending legal-status Critical Current

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    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

The invention discloses a die height indicator transmission mechanism of a press machine, which comprises an output shaft, a direction converter, a first chain wheel, a second chain wheel, a tensioning chain wheel and a chain, wherein the output shaft is horizontally arranged, the first chain wheel is connected to the first shaft end of the output shaft in a shaft-to-shaft mode, the second chain wheel is fixedly sleeved on a connecting shaft of a worm in the press machine, the tensioning chain wheel is installed on the inner side surface of a front main plate of a sliding block in the press machine, the transmission ratio of the first chain wheel to the second chain wheel is 1:1, the first chain wheel, the second chain wheel and the tensioning chain wheel are connected through the chain, the second shaft end of the output shaft is connected with the input end of the direction converter, and the output end of the direction converter is connected with a die height; the flexible shaft has the advantages that the service life of the flexible shaft can be greatly prolonged, so that the maintenance cost is reduced, and meanwhile, the loss caused by shutdown to a client is reduced.

Description

Die height indicator transmission mechanism of press machine
Technical Field
The invention relates to a die height indicator of a mechanical press, in particular to a die height indicator transmission mechanism of a press.
Background
Mechanical presses are widely used in the field of machining. As shown in fig. 2a and 2b, the mechanical press comprises a slide block 1, a die height indicator 2, a worm 3 and a worm wheel 4 which are meshed with each other, wherein the die height indicator 2 is installed on a front main board 11 of the slide block 1, the die height indicator 2 is close to the position of an operator and the position of an electric control operation panel, the position is far away from the tail end 31 of the worm 3, the die height indicator 2 is connected with the tail end 31 of the worm 3 through a long flexible shaft 5, and the reading displayed by the die height indicator 2 is consistent with the actual die height. The mechanical press with the structure can enable the reading displayed by the die height indicator 2 to be consistent with the actual die height by only using one flexible shaft 5, and has the advantages of simple structure and convenience in installation. However, due to the limitation of space, when the flexible shaft 5 is installed, the flexible shaft 5 can be bent to form two R angles, when the R angle is smaller, the flexible shaft 5 can not rotate smoothly, the internal resistance of the flexible shaft 5 is larger, the service life is long, and the internal part or two ends of the flexible shaft 5 can be fractured, so that the reading of the die height indicator 2 can be failed on one hand; on the other hand, the flexible shaft 5 needs to be stopped and replaced, although the flexible shaft 5 is a small part and the cost of the flexible shaft is not high, the maintenance cost is high, and therefore, the loss caused by the stop to the client is large, and the situation of 'loss due to small size' can occur.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a die height indicator transmission mechanism of a press machine, which can greatly prolong the service life of a flexible shaft, thereby reducing the maintenance cost and simultaneously reducing the loss of customers caused by shutdown.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a die height indicator drive mechanism of press which characterized in that: the output shaft is horizontally arranged, the first chain wheel is connected to the first shaft end of the output shaft in a shaft-to-shaft mode, the second chain wheel is fixedly sleeved on a connecting shaft of a worm in a press machine, the tensioning chain wheel is installed on the inner side face of a front main plate of a sliding block in the press machine, the transmission ratio of the first chain wheel to the second chain wheel is 1:1, the first chain wheel, the second chain wheel and the tensioning chain wheel are connected through the chain, the second shaft end of the output shaft is connected with the input end of the direction converter, and the output end of the direction converter is connected with a die height indicator in the press machine through a flexible shaft which is linearly arranged.
The transmission mechanism also comprises a fixed seat, a lantern ring, an end cover, an upper fixed plate, a lower fixed plate and a bracket, wherein the output shaft coaxially penetrates through the fixed seat, the output shaft is connected with the inner side surface of the first end of the fixed seat through a first bearing, the output shaft is connected with the inner side surface of the second end of the fixed seat through a second bearing, the lantern ring is sleeved outside the output shaft and clamped between the first bearing and the second bearing, the end cover is connected to the end head of the second end of the fixed seat, the second end of the output shaft is embedded in the inner shaft end of the end cover and fixedly connected with the end cover, the outer shaft end of the end cover is connected with the input end of the direction converter, the direction converter is fixed on the upper fixed plate, and the upper fixed plate and the fixed seat are fixed on the lower fixed plate, the lower fixing plate is arranged on the bracket, and the bracket is arranged on a body of a sliding block in the press machine. Here, the fixed seat provides protection for the output shaft; the end cover is used for connecting the output shaft and the input end of the direction converter and transmitting the output force; the upper fixing plate is used for heightening the height position of the direction converter, so that the input end of the upper fixing plate is as high as the position of the second shaft end of the output shaft.
The first end of the fixing seat is provided with an annular limiting boss which horizontally extends towards the center, the first bearing is limited by the annular limiting boss and the lantern ring, an annular limiting piece is arranged between the inner side surface of the second end of the fixing seat and the output shaft, and the second bearing is limited by the annular limiting piece and the lantern ring. The first bearing and the second bearing are limited by the annular limiting boss, the lantern ring and the annular limiting sheet.
And an annular insertion part is arranged on the inner shaft end of the end cover, and the annular insertion part is inserted into the second end head of the fixed seat and is abutted against the inner annular surface of the second end of the fixed seat.
The two sides of the bracket are low and the middle is convex, the lower fixing plate is arranged on the convex part in the middle of the bracket, and the two side parts of the bracket are fixedly connected with the body of the sliding block. The bracket with the structure utilizes the middle convex part to support the direction converter and the fixed seat and utilizes the two side parts to fix the direction converter and the fixed seat, and the space below the middle convex part provides a containing space for screws used for fastening the bracket and the lower fixing plate.
The tensioning chain wheel is arranged on the inner side surface of the front main plate of the sliding block through an L-shaped mounting frame. The L-shaped mounting frame can ensure that the mounted tension chain wheel is positioned on the same plane with the first chain wheel and the second chain wheel, so that the tension chain wheel and the first chain wheel and the second chain wheel can be connected together through a chain; other mounting brackets such as T-shaped mounting brackets and the like can be adopted in actual design.
The output end of the direction converter is as high as the position of the modulus height indicator. Therefore, the output end of the direction converter and the flexible shaft of the die height indicator are always in a horizontal linear state, and any torsion and pulling cannot occur.
Compared with the prior art, the invention has the advantages that:
1) the connection from the worm transmission to the transmission of the die height indicator is realized through the connecting shaft, the second chain wheel, the first chain wheel, the output shaft, the direction converter and the flexible shaft which is linearly arranged, so that the die height indicator can accurately display the die height value, and the flexible shaft is linearly arranged and has no R angle, so the influence of the rotation of the flexible shaft on the service life of the flexible shaft is small; although the transmission mechanism has certain cost, the transmission mechanism is durable in use and few in maintenance condition, the maintenance cost is reduced, and meanwhile, the loss caused by shutdown to customers is also reduced.
2) The transmission mechanism is simple in structure, convenient to install and convenient to maintain.
Drawings
FIG. 1a is a top view of a portion of a press machine to which the transmission of the present invention is applied;
FIG. 1b is a cross-sectional view taken along line A-A of FIG. 1 a;
FIG. 1c is a top view of the transmission of the present invention;
FIG. 1d is a cross-sectional view taken along line B-B of FIG. 1 c;
FIG. 2a is a top view of a partial structure of a conventional mechanical press;
fig. 2b is a cross-sectional view taken along line C-C of fig. 2 a.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The invention provides a die height indicator transmission mechanism of a press machine, as shown in fig. 1a to fig. 1d, the die height indicator transmission mechanism comprises an output shaft 91, a direction converter 92, a first chain wheel 93, a second chain wheel 94, a tension chain wheel 95 and a chain 96, wherein the output shaft 91 is horizontally arranged, the first chain wheel 93 is coupled to a first shaft end of the output shaft 91, the second chain wheel 94 is fixedly sleeved on a connecting shaft 32 of a worm 3 in the press machine, the tension chain wheel 95 is installed on the inner side surface of a front main plate 11 of a sliding block 1 in the press machine, the transmission ratio of the first chain wheel 93 to the second chain wheel 94 is 1:1, the first chain wheel 93, the second chain wheel 94 and the tension chain wheel 95 are connected through the chain 96, a second shaft end of the output shaft 91 is connected with an input end of the direction converter 92, and an output end of the direction converter 92 is connected with a die height indicator 2 in.
In this embodiment, the transmission mechanism further includes a fixing seat 81, a collar 82, and an end cap 83, the upper fixing plate 84, the lower fixing plate 85 and the bracket 86, the output shaft 91 coaxially penetrates through the fixing seat 81, the output shaft 91 is connected with the inner side surface of the first end of the fixing seat 81 through the first bearing 87, the output shaft 91 is connected with the inner side surface of the second end of the fixing seat 81 through the second bearing 88, the lantern ring 82 is sleeved outside the output shaft 91 and clamped between the first bearing 87 and the second bearing 88, the end cover 83 is connected to the end head of the second end of the fixing seat 81, the second end of the output shaft 91 is embedded on the inner shaft end of the end cover 83 and fixedly connected with the end cover 83, the outer shaft end of the end cover 83 is connected with the input end of the direction converter 92, the direction converter 92 is fixed on the upper fixing plate 84, the upper fixing plate 84 and the fixing seat 81 are fixed on the lower fixing plate 85. Here, the fixing seat 81 provides protection for the output shaft 91; the end cap 83 is used for connecting the output shaft 91 with the input end of the direction converter 92 and transmitting the output force; the upper fixing plate 84 is used to raise the height of the direction converter 92 so that the input end is at the same height as the second axial end of the output shaft 91.
In this embodiment, the first end of the fixing base 81 has an annular limiting boss 811 extending horizontally toward the center, the first bearing 87 is limited by the annular limiting boss 811 and the collar 82, an annular limiting piece 812 is disposed between the inner side surface of the second end of the fixing base 81 and the output shaft 91, and the second bearing 88 is limited by the annular limiting piece 812 and the collar 82. The first bearing 87 and the second bearing 88 are defined by an annular stop boss 811, a collar 82, and an annular stop tab 812.
In this embodiment, an annular insertion portion 831 is disposed on an inner shaft end of the end cap 83, and the annular insertion portion 831 is inserted into a second end of the fixing base 81 and abuts against an inner annular surface of the second end of the fixing base 81.
In this embodiment, the two sides of the bracket 86 are low in the middle, the lower fixing plate 85 is mounted on the middle protruding part 861 of the bracket 86, and the two side parts 862 of the bracket 86 are fixedly connected with the body 12 of the slider 1. The bracket 86 of this structure supports the direction converter 92 and the fixing base 81 by the middle convex portion 861 and fixes them by the two side portions 862, and the space under the middle convex portion 861 provides a receiving space for screws used for fastening the bracket 86 and the lower fixing plate 85.
In this embodiment, the tension sprocket 95 is mounted to the inner side of the front main plate 11 of the slider 1 by an L-shaped mounting bracket 89. The use of the L-shaped mounting bracket 89 ensures that the mounted tension sprocket 95 is in the same plane as the first and second sprockets 93 and 94, and thus can be connected together by a chain 96; other mounting brackets such as T-shaped mounting brackets and the like can be adopted in actual design.
In this embodiment, the output of the direction converter 92 is level with the position of the mode height indicator 2. Therefore, the output end of the connecting direction converter 92 and the flexible shaft 5 of the module height indicator 2 are always in a horizontal linear state, and any torsion and pulling cannot occur.
In this embodiment, the output shaft 91 is a rotating shaft; the direction converter 92 is of the prior art; the first sprocket 93, the second sprocket 94, and the tension sprocket 95 are conventional sprockets.

Claims (7)

1. The utility model provides a die height indicator drive mechanism of press which characterized in that: the output shaft is horizontally arranged, the first chain wheel is connected to the first shaft end of the output shaft in a shaft-to-shaft mode, the second chain wheel is fixedly sleeved on a connecting shaft of a worm in a press machine, the tensioning chain wheel is installed on the inner side face of a front main plate of a sliding block in the press machine, the transmission ratio of the first chain wheel to the second chain wheel is 1:1, the first chain wheel, the second chain wheel and the tensioning chain wheel are connected through the chain, the second shaft end of the output shaft is connected with the input end of the direction converter, and the output end of the direction converter is connected with a die height indicator in the press machine through a flexible shaft which is linearly arranged.
2. The die height indicator drive of a press of claim 1, wherein: the transmission mechanism also comprises a fixed seat, a lantern ring, an end cover, an upper fixed plate, a lower fixed plate and a bracket, wherein the output shaft coaxially penetrates through the fixed seat, the output shaft is connected with the inner side surface of the first end of the fixed seat through a first bearing, the output shaft is connected with the inner side surface of the second end of the fixed seat through a second bearing, the lantern ring is sleeved outside the output shaft and clamped between the first bearing and the second bearing, the end cover is connected to the end head of the second end of the fixed seat, the second end of the output shaft is embedded in the inner shaft end of the end cover and fixedly connected with the end cover, the outer shaft end of the end cover is connected with the input end of the direction converter, the direction converter is fixed on the upper fixed plate, and the upper fixed plate and the fixed seat are fixed on the lower fixed plate, the lower fixing plate is arranged on the bracket, and the bracket is arranged on a body of a sliding block in the press machine.
3. A die height indicator drive for a press as claimed in claim 2, wherein: the first end of the fixing seat is provided with an annular limiting boss which horizontally extends towards the center, the first bearing is limited by the annular limiting boss and the lantern ring, an annular limiting piece is arranged between the inner side surface of the second end of the fixing seat and the output shaft, and the second bearing is limited by the annular limiting piece and the lantern ring.
4. A die height indicator drive for a press as claimed in claim 2, wherein: and an annular insertion part is arranged on the inner shaft end of the end cover, and the annular insertion part is inserted into the second end head of the fixed seat and is abutted against the inner annular surface of the second end of the fixed seat.
5. A die height indicator drive for a press as claimed in claim 2, wherein: the two sides of the bracket are low and the middle is convex, the lower fixing plate is arranged on the convex part in the middle of the bracket, and the two side parts of the bracket are fixedly connected with the body of the sliding block.
6. A die height indicator transmission for a press according to any one of claims 2 to 5, wherein: the tensioning chain wheel is arranged on the inner side surface of the front main plate of the sliding block through an L-shaped mounting frame.
7. The die height indicator drive of a press of claim 6, wherein: the output end of the direction converter is as high as the position of the modulus height indicator.
CN202010979687.3A 2020-09-17 2020-09-17 Die height indicator transmission mechanism of press machine Pending CN112178147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010979687.3A CN112178147A (en) 2020-09-17 2020-09-17 Die height indicator transmission mechanism of press machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010979687.3A CN112178147A (en) 2020-09-17 2020-09-17 Die height indicator transmission mechanism of press machine

Publications (1)

Publication Number Publication Date
CN112178147A true CN112178147A (en) 2021-01-05

Family

ID=73921497

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010979687.3A Pending CN112178147A (en) 2020-09-17 2020-09-17 Die height indicator transmission mechanism of press machine

Country Status (1)

Country Link
CN (1) CN112178147A (en)

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