CN203580200U - Automatic adjusting device for stroke of press - Google Patents
Automatic adjusting device for stroke of press Download PDFInfo
- Publication number
- CN203580200U CN203580200U CN201320727125.5U CN201320727125U CN203580200U CN 203580200 U CN203580200 U CN 203580200U CN 201320727125 U CN201320727125 U CN 201320727125U CN 203580200 U CN203580200 U CN 203580200U
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- Prior art keywords
- piston
- position sensor
- positioning cylinder
- locating
- air cylinder
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Abstract
The utility model discloses an automatic adjusting device for a stroke of a press, and belongs to the technical field of punching machines. The automatic adjusting device comprises a crankshaft, an eccentric sleeve and an adjusting sleeve, the crankshaft is sleeved with the eccentric sleeve and the adjusting sleeve, the adjusting sleeve is connected with the eccentric sleeve through end face teeth, a connecting rod cover is arranged on the eccentric sleeve, and a first location sensor is arranged at one end of the connecting rod cover. A locating air cylinder is arranged at the other end of the connecting rod cover, the top of the locating air cylinder is covered with an air cylinder cover, a through hole allowing a locating rod to penetrate through is formed in the bottom of the locating air cylinder, and a piston is arranged in an inner cavity of the locating air cylinder. A piston head divides the inner cavity of the locating air cylinder into an upper cavity body and a lower cavity body. A first air hole communicated with the upper cavity body is formed in the air cylinder cover, a second air hole communicated with the lower cavity body is formed in the air cylinder wall of the locating air cylinder, and an air inlet hole of the first air hole and an air inlet hole of the second air hole are connected with a solenoid valve through pipelines. A locating groove corresponding to the locating rod is formed in the eccentric sleeve. The automatic adjusting device is applied to the press, the stroke of a sliding block can be adjusted automatically, the operation saves time and labor, and the work efficiency of the press can be obviously improved.
Description
Technical field
The utility model relates to press machine technical field, particularly a kind of stroke automatic adjusting device for press machine.
Background technology
In prior art, there is a kind of press stroke adjusting device, comprise the rotation of bent axle, driving crank motor, be set in eccentric bushing and regulating sleeve on bent axle, and for connecting the internal gear of eccentric bushing and regulating sleeve, regulating sleeve is connected with eccentric bushing by end-tooth, eccentric bushing is provided with connecting rod cap; Inner gear shaft is to offering a through hole that internal tooth is set, and internal gear is sleeved on the seam crossing of regulating sleeve and eccentric bushing by through hole; On regulating sleeve, be also penetrated with gear shaft, gear shaft parallels setting with bent axle, and gear shaft afterbody extends through internal gear and is connected with internal gear transmission, and gear shaft stem is provided with knob.
Before adjusting slider stroke, by thrust unit along continuous straight runs, away from eccentric bushing, promote regulating sleeve, make eccentric bushing separated with regulating sleeve, then by the knob that rotation is located on gear shaft manually, gear shaft is rotated, now be set in corresponding the rotating of regulating sleeve on gear shaft, change thus the bias between regulating sleeve and eccentric bushing, thereby changed ram travel.
Its weak point is: by rotating manually knob, change the bias between eccentric bushing and regulating sleeve, operation waste time and energy and larger impact forcing press operating efficiency.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of stroke automatic adjusting device for press machine is provided, and can realize easily, fast press ram stroke adjustment.
The purpose of this utility model is achieved in that a kind of stroke automatic adjusting device for press machine, comprise bent axle, be set in eccentric bushing and regulating sleeve on bent axle, described regulating sleeve is connected with eccentric bushing by end-tooth, on described eccentric bushing, be also provided with connecting rod cap, one end of described connecting rod cap is provided with the position sensor one for judging that eccentric bushing stops putting in place; The other end of connecting rod cap is provided with positioning cylinder, and described positioning cylinder top is coated with cylinder head, and bottom offers through hole, and inner chamber is provided with piston; The piston head of described piston is divided into upper cavity and lower chamber by the inner chamber of positioning cylinder; In described cylinder head, offer the pore one being communicated with described upper cavity, offer the pore two being communicated with described lower chamber on the cylinder wall of positioning cylinder, the air admission hole of described pore one and pore two is connected with magnetic valve by pipeline; The piston rod that is connected in piston head upper surface extends upward and exceeds cylinder head, and the backstay that is connected in piston head lower surface extends through positioning cylinder bottom through-hole downwards, offers arrange ground locating slot corresponding to backstay on described eccentric bushing.
Compared with prior art, the beneficial effects of the utility model are: by motor driving crank, rotate, the rotation of drive regulating sleeve, without regulating and can change press ram stroke manually, be applied to can to realize ram travel on forcing press and regulate automation, and it is time saving and energy saving to operate, can significantly improve forcing press operating efficiency.
As further improvement of the utility model, described positioning cylinder is provided with support, is provided with for judging that piston rod is up to bit position sensor two and for judging that piston rod goes downwards to bit position sensor three on described support; The top of described piston rod is connected with shaft-cup plate, and the signal receiver that sends signal for receiving position sensor two and position sensor three is installed on described shaft-cup plate; Described position sensor two is connected with the control system signal of described magnetic valve with position sensor three.The setting of position sensor two and position sensor three is convenient to detect piston rod, and whether upstream or downstream put in place, thereby judge thus whether backstay has completed the location to eccentric bushing, magnetic valve is according to signal controlling pore one, pore two air inlets of three transmission of position sensor two and position sensor or die, make that whole regulating system service behaviour is more reliable, operation more promptly and accurately.
As further improvement of the utility model, between described cylinder head and piston rod, be respectively equipped with O-ring seal between described cylinder head, backstay, piston head and described positioning cylinder.O-ring seal is set between each connector and can fully guarantees that positioning cylinder inner chamber, in sealing state, avoids upper cavity or lower chamber to leak air, further increase work efficiency.
As further improvement of the utility model, between described positioning cylinder and backstay, be respectively equipped with copper sheathing between described cylinder head and piston rod.Copper sheathing can reduce the sliding friction between positioning cylinder and backstay and between cylinder head and piston rod, also can play support fixation simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the I place structure for amplifying schematic diagram of Fig. 1.
Wherein, 1 eccentric bushing; 1a locating slot; 2 regulating sleeves; 3 bent axles; 4 connecting rod caps; 5 position sensors one; 6 position sensors two; 7 position sensors three; 8 positioning cylinders; 8a pore two; 9 cylinder head; 9a pore one; 10 pistons; 10a piston head; 10b piston rod; 11 magnetic valves; 12 backstays; 14 shaft-cup plates; 15a, 15b copper sheathing.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, eccentric bushing 1 and regulating sleeve 2 are set on bent axle 3, eccentric bushing 1 and regulating sleeve 2 by end-tooth be connected, eccentric bushing 1 is provided with connecting rod cap 4, position sensor 1 is established in one end of connecting rod cap 4, and during for detection of stroke adjustment, whether eccentric bushing 1 stops putting in place.For ease of the installation of position sensor 1, on connecting rod cap 4, connecting plate is set, position sensor 1 is installed on connecting plate, for the signal receiver of receiving position sensor one 5 signals, be installed on eccentric bushing 1.One end relative with position sensor 1 on connecting rod cap 4 is provided with positioning cylinder 8 by screw.
Positioning cylinder 8 tops are coated with cylinder head 9, between cylinder head 9 and positioning cylinder 8, O-ring seal are installed.The through hole passing through for backstay 12 is offered in the bottom of positioning cylinder 8, between backstay 12 and positioning cylinder 8, O-ring seal is also installed.Positioning cylinder 8 inner chambers arrange piston 10, and the piston head 10a of piston 10 is divided into upper cavity and lower chamber by the inner chamber of positioning cylinder 8; Identical, between piston head 10a and positioning cylinder 8, O-ring seal is also installed.
In cylinder head 9, offer pore one 9a being communicated with upper cavity, offer pore two 8a that are communicated with lower chamber on the cylinder wall of positioning cylinder 8, the air admission hole of pore one 9a and pore two 8a is by pipeline connected electromagnetic valve 11.
The piston rod 10b that is connected in piston head 10a upper surface extends upward and exceeds cylinder head 9, identical, between piston rod 10b and cylinder head 9, O-ring seal is also installed.The backstay 12 that is connected in piston head 10a lower surface extends through positioning cylinder 8 bottom through-holes downwards; On eccentric bushing 1, offer arrange ground locating slot 1a corresponding to backstay 12.
Mounting bracket on positioning cylinder 8, installs on support and is used for judging that piston rod 10b is up to bit position sensor 26 and for judging that piston rod 10b goes downwards to bit position sensor 37; The signal receiver that sends signal for receiving position sensor 26 and position sensor 37 is installed on shaft-cup plate 14, shaft-cup plate 14 is installed on the top of piston rod 10b, and position sensor 26 is connected with the control system signal of magnetic valve 11 with position sensor 37.
For reducing sliding friction, between positioning cylinder 8 and backstay 12, copper sheathing 15a is preferably installed, identical, between cylinder head 9 and piston rod 10b, copper sheathing 15b is also installed.
Before adjusting slider stroke, whether first by position sensor 1, detect eccentric bushing 1 stops putting in place, guarantee that locating slot 1a is positioned under backstay 12, then control magnetic valve 11 and make pore one 9a air inlet, descent of piston now, backstay 12 thereupon descending insertion is located in the locating slot 1a on eccentric bushing 1, position sensor 37 sends the descending signal that puts in place of piston 10, now control thrust unit eccentric bushing 1 is separated with regulating sleeve 2, start the motor of driving crank 3 rotations, bent axle 3 rotates, be set in corresponding the rotating of regulating sleeve 2 on bent axle 3, because 12 pairs of eccentric bushings 1 of backstay have been implemented location, so eccentric bushing 1 can not rotate thereupon, changed thus the bias between regulating sleeve 2 and eccentric bushing 1, realizing ram travel regulates.After ram travel regulates and finishes, control magnetic valve 11 and make pore two 8a air inlets, piston 10 is up, backstay 12 is thereupon up to be deviate from from locating slot 1a, when position sensor 26 sends the up signal that puts in place of piston 10, thrust unit resets regulating sleeve 2, and forcing press can drop into next operation phase.
The utility model is not limited to above-described embodiment; on the basis of the disclosed technical scheme of the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some replacements and distortion to some technical characterictics wherein, these replacements and distortion are all in protection domain of the present utility model.
Claims (4)
1. a stroke automatic adjusting device for press machine, comprise bent axle, be set in eccentric bushing and regulating sleeve on bent axle, described regulating sleeve is connected with eccentric bushing by end-tooth, on described eccentric bushing, be also provided with connecting rod cap, it is characterized in that, one end of described connecting rod cap is provided with the position sensor one for judging that eccentric bushing stops putting in place; The other end of connecting rod cap is provided with positioning cylinder, and described positioning cylinder top is coated with cylinder head, and bottom offers through hole, and inner chamber is provided with piston; The piston head of described piston is divided into upper cavity and lower chamber by the inner chamber of positioning cylinder; In described cylinder head, offer the pore one being communicated with described upper cavity, offer the pore two being communicated with described lower chamber on the cylinder wall of positioning cylinder, the air admission hole of described pore one and pore two is connected with magnetic valve by pipeline; The piston rod that is connected in piston head upper surface extends upward and exceeds cylinder head, and the backstay that is connected in piston head lower surface extends through positioning cylinder bottom through-hole downwards, offers arrange ground locating slot corresponding to backstay on described eccentric bushing.
2. stroke automatic adjusting device for press machine according to claim 1, it is characterized in that, described positioning cylinder is provided with support, is provided with for judging that piston rod is up to bit position sensor two and for judging that piston rod goes downwards to bit position sensor three on described support; The top of described piston rod is connected with shaft-cup plate, and the signal receiver that sends signal for receiving position sensor two and position sensor three is installed on described shaft-cup plate; Described position sensor two is connected with the control system signal of described magnetic valve with position sensor three.
3. stroke automatic adjusting device for press machine according to claim 2, is characterized in that, between described cylinder head and piston rod, be respectively equipped with O-ring seal between described cylinder head, backstay, piston head and described positioning cylinder.
4. according to the stroke automatic adjusting device for press machine described in any one in claims 1 to 3, it is characterized in that, between described positioning cylinder and backstay, be respectively equipped with copper sheathing between described cylinder head and piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727125.5U CN203580200U (en) | 2013-11-18 | 2013-11-18 | Automatic adjusting device for stroke of press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727125.5U CN203580200U (en) | 2013-11-18 | 2013-11-18 | Automatic adjusting device for stroke of press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203580200U true CN203580200U (en) | 2014-05-07 |
Family
ID=50578166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320727125.5U Expired - Fee Related CN203580200U (en) | 2013-11-18 | 2013-11-18 | Automatic adjusting device for stroke of press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203580200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934472A (en) * | 2017-12-27 | 2018-04-20 | 天津中津生物发展有限公司 | Gutta-percha point sequence detection all-in-one machine |
| CN109681761A (en) * | 2018-12-26 | 2019-04-26 | 济南二机床集团有限公司 | A kind of press machine automatic safety bolt |
-
2013
- 2013-11-18 CN CN201320727125.5U patent/CN203580200U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934472A (en) * | 2017-12-27 | 2018-04-20 | 天津中津生物发展有限公司 | Gutta-percha point sequence detection all-in-one machine |
| CN109681761A (en) * | 2018-12-26 | 2019-04-26 | 济南二机床集团有限公司 | A kind of press machine automatic safety bolt |
| CN109681761B (en) * | 2018-12-26 | 2023-09-12 | 济南二机床集团有限公司 | Full-automatic safety bolt for press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20211118 |