CN203317794U - Stroke adjusting mechanism of ejection oil cylinder of hydraulic machine - Google Patents
Stroke adjusting mechanism of ejection oil cylinder of hydraulic machine Download PDFInfo
- Publication number
- CN203317794U CN203317794U CN2013203110606U CN201320311060U CN203317794U CN 203317794 U CN203317794 U CN 203317794U CN 2013203110606 U CN2013203110606 U CN 2013203110606U CN 201320311060 U CN201320311060 U CN 201320311060U CN 203317794 U CN203317794 U CN 203317794U
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- China
- Prior art keywords
- pulley
- steel wire
- wire rope
- square tube
- proximity transducer
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- Withdrawn - After Issue
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Abstract
The utility model discloses a stroke adjusting mechanism of an ejection oil cylinder of a hydraulic machine. The stroke adjusting mechanism comprises a connecting plate, a first pulley, a guide square pipe, a second pulley and a third pulley, the first pulley and the second pulley are positioned on a same horizontal line, an upper limiting proximity sensor and a lower limiting proximity sensor are fixedly arranged beside the guide square pipe, the starting end of a steel wire rope is fixed with the steel wire rope connecting plate, a balancing weight is hung at the tail end of the steel wire rope, the starting end of the steel wire rope extends upwards to bypass the first pulley, horizontally extends to bypass the second pulley, extends upwards to bypass the third pulley and then vertically extends downwards to the balancing weight at the tail end, a guide block fixed on the steel wire rope is arranged in the guide square pipe, and the upper limiting proximity sensor and the lower limiting proximity sensor are used for detecting the position of the guide block in the guide square pipe. The stroke adjusting mechanism has the advantages that when different dies are replaced to produce different products, ejection stroke of the ejection oil cylinder can be adjusted only by adjusting the positions of the proximity sensors on the rear portion of the hydraulic machine, and operations are quite convenient, so that work-hour is shortened.
Description
Technical field
The utility model relates to a kind of hydraulic press ejection cylinder, especially relates to a kind of hydraulic press ejection cylinder stroke regulating mechanism.
Background technology
The ejection cylinder of being furnished with the capable of regulating ejection stroke in plastic product hydraulic press or four-column type universal hydraulic machine structure.In traditional structure, as shown in Figure 1, because the stroke lever L lower end of oil cylinder is positioned at below the D1 of ground, therefore upper and lower spacing proximity transducer J1, J2 are positioned at the machine bottom.The operation principle of tradition stroke regulating mechanism is: piston rod is return while putting in place, ejection cylinder is under the effect of working media (fluid), the promotion piston rod moves upward, the stroke connecting plate K be connected with piston rod drives stroke lever L and sensor block H moves upward, in sensor block H moves to the scope of upper limit proximity transducer J1, upper limit proximity transducer J1 sender is to control system, and ejection cylinder ejects action to be stopped; Piston rod ejects while putting in place, ejection cylinder is under the effect of fluid, the promotion piston rod moves downward, the stroke connecting plate be connected with piston rod drives stroke lever K and sensor block H moves downward, in sensor block H moves to the scope of lower limit proximity transducer J2, lower limit proximity transducer J2 sender is to control system, and ejection cylinder is return action and stopped.
When changing different moulds and produce different goods, the ejection stroke of an ejection cylinder of every adjustment, the workman need get in the melt pit of machine bottom according to the position of technological requirement manual adjustments proximity transducer, very inconvenient, and unproductive time is longer.
Summary of the invention
Thereby technical problem to be solved in the utility model is to provide a kind of workman's of improvement operating condition, shortens the hydraulic press ejection cylinder stroke regulating mechanism that the number of working processes is increased work efficiency.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of hydraulic press ejection cylinder stroke regulating mechanism, comprise the connecting plate fixing with the stroke lever lower end, be fixed in first pulley and the vertical guiding square tube of standing on the frame sidepiece of frame lower surface, the lower end of described guiding square tube is provided with the second pulley, the upper end of described guiding square tube is provided with the 3rd pulley, the first pulley and the second pulley are on the same level line, other upper limit proximity transducer and the lower limit proximity transducer of being fixedly installed of guiding square tube, the initiating terminal of steel wire rope and steel wire rope connecting plate are fixed, the tail end of steel wire rope has hung balancing weight, steel wire rope by initiating terminal extend upward walk around the first pulley after horizontal-extending walk around the second pulley, extend upward again and walk around after the 3rd pulley the balancing weight that extends to vertically downward tail end, in described guiding square tube, be provided with and the guide pad be fixed on steel wire rope, upper limit proximity transducer and lower limit proximity transducer are for detection of the guide pad position in the guiding square tube.
Described guiding square tube is other is provided with vertical installing plate, and described upper limit proximity transducer is installed on the upper end of installing plate, and described lower limit proximity transducer is installed on the lower end of installing plate.
Described guide pad is provided with centre bore, the centre bore of steel wire penetrating guide pad, described guiding square tube is provided with gathering sill longitudinally, and the front end of holding screw withstands steel wire rope through guide pad, and the holding screw rear end is passed gathering sill longitudinally and stretched out outside the guiding square tube; When guide pad moves up and down in the guiding square tube, holding screw is moving in gathering sill longitudinally, when the lower limit proximity transducer detects holding screw, the stroke lever of ejection cylinder is in the range place, when the upper limit proximity transducer detects holding screw, the stroke lever of ejection cylinder is in the shortest route place.
Described guiding square tube is fixed on the rear portion of frame.
Compared with prior art, the utility model has the advantages that the steel wire rope connecting plate is connected with stroke lever, steel wire rope one end is connected with the steel wire rope connecting plate, and guide pad is through on steel wire rope, and the steel wire rope other end is connected with balancing weight; The hydraulic press bottom configures three groups of pulleys to realize turning to of steel wire rope to rear portion; Hydraulic press rear portion configuration guiding square tube is with the movement locus of the holding screw controlling guide pad and be connected with guide pad; Guiding square tube one side configuration installing plate in machine rear portion is for installing the lower limit proximity transducer.Adopt the steel wire rope thread drawing mechanism that inductor (holding screw) is guided to the machine rear portion, be installed on the installing plate that approaches up and down inductor and also can be arranged on the machine rear portion, be used for replacing traditional inductor and switch installation board and be arranged on the machine bottom.When changing different moulds and produce different goods, the ejection stroke of ejection cylinder is adjusted in position that just can the adjusting proximity sensor at the hydraulic press rear portion, and operation is very convenient, has shortened man-hour.
The accompanying drawing explanation
The structure chart that Fig. 1 is prior art;
Fig. 2 is left view of the present utility model;
Fig. 3 is front view of the present utility model;
Fig. 4 is top view of the present utility model;
The cutaway view that Fig. 5 is A-A in Fig. 4;
The enlarged drawing that Fig. 6 is A in Fig. 2;
The enlarged drawing that Fig. 7 is B in Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
A kind of hydraulic press ejection cylinder stroke regulating mechanism, comprise the connecting plate 2 fixing with stroke lever 1 lower end, be fixed in first pulley 4 and the vertical guiding square tube 5 of standing on frame 3 sidepieces of frame 3 lower surfaces, the lower end of guiding square tube 5 is provided with the second pulley 6, the upper end of guiding square tube 5 is provided with the 3rd pulley 7, the first pulley 4 and the second pulley 6 are on the same level line, other upper limit proximity transducer 8 and the lower limit proximity transducer 9 of being fixedly installed of guiding square tube 5, the initiating terminal 11 of steel wire rope 10 is fixing with steel wire rope connecting plate 2, the tail end of steel wire rope 10 has hung balancing weight 12, steel wire rope 10 is extended upward and is walked around the rear horizontal-extending of the first pulley 4 and walk around the second pulley 6 by initiating terminal 11, extend upward again and walk around after the 3rd pulley 7 balancing weight 12 that extends to vertically downward tail end, in guiding square tube 5, be provided with and the guide pad 13 be fixed on steel wire rope 10, upper limit proximity transducer 8 and lower limit proximity transducer 9 are for detection of guide pad 13 positions in guiding square tube 5.
Piston rod 18 is return while putting in place, ejection cylinder 19 is under the effect of fluid, promoting piston rod 18 moves upward, the stroke connecting plate 20 be connected with piston rod 18 drives stroke lever 1 and steel wire rope connecting plate 2 moves upward, the steel wire rope 10 be connected with steel wire rope connecting plate 2 moves upward under the effect of balancing weight 12 deadweights thereupon, by pulley, turn to, the guide pad 13 be through on steel wire rope 10 moves upward along guiding square tube 5, holding screw 15 moves upward along gathering sill 16, in holding screw 15 moves to the scope of upper limit proximity transducer 8, upper limit proximity transducer 8 senders are to control system, ejection cylinder ejects action to be stopped, piston rod 18 ejects while putting in place, ejection cylinder 19 is under the effect of fluid, promoting piston rod 18 moves downward, the stroke connecting plate 20 be connected with piston rod 18 drives stroke lever 1 and steel wire rope connecting plate 2 moves downward, the steel wire rope 10 be connected with steel wire rope connecting plate 2 moves downward under the Gravitative Loads of balancing weight 12 thereupon, by pulley, turn to, the guide pad 13 be through on steel wire rope 10 moves downward along guiding square tube 5, holding screw 15 moves downward along gathering sill 16, in holding screw 15 moves to the scope of lower limit proximity transducer 9, lower limit proximity transducer 9 senders are to control system, ejection cylinder is return action and is stopped.
Claims (4)
1. a hydraulic press ejection cylinder stroke regulating mechanism, comprise the connecting plate fixing with the stroke lever lower end, be fixed in first pulley and the vertical guiding square tube of standing on the frame sidepiece of frame lower surface, the lower end of described guiding square tube is provided with the second pulley, the upper end of described guiding square tube is provided with the 3rd pulley, described the first pulley and the second pulley are on the same level line, other upper limit proximity transducer and the lower limit proximity transducer of being fixedly installed of described guiding square tube, the initiating terminal of steel wire rope and described steel wire rope connecting plate are fixed, the tail end of described steel wire rope has hung balancing weight, described steel wire rope by initiating terminal extend upward walk around the first pulley after horizontal-extending walk around the second pulley, extend upward again and walk around after the 3rd pulley the balancing weight that extends to vertically downward tail end, in described guiding square tube, be provided with and the guide pad be fixed on steel wire rope, described upper limit proximity transducer and lower limit proximity transducer are for detection of the guide pad position in the guiding square tube.
2. a kind of hydraulic press ejection cylinder stroke regulating mechanism according to claim 1, it is characterized in that described guiding square tube side is provided with vertical installing plate, described upper limit proximity transducer is installed on the upper end of installing plate, and described lower limit proximity transducer is installed on the lower end of installing plate.
3. a kind of hydraulic press ejection cylinder stroke regulating mechanism according to claim 2, it is characterized in that described guide pad is provided with centre bore, the centre bore of described steel wire penetrating guide pad, described guiding square tube is provided with gathering sill longitudinally, the front end of holding screw withstands steel wire rope through guide pad, and described holding screw rear end is passed gathering sill longitudinally and stretched out outside the guiding square tube; When guide pad moves up and down in the guiding square tube, described holding screw is moving in gathering sill longitudinally, when the lower limit proximity transducer detects holding screw, the stroke lever of ejection cylinder is in the range place, when the upper limit proximity transducer detects holding screw, the stroke lever of ejection cylinder is in the shortest route place.
4. a kind of hydraulic press ejection cylinder stroke regulating mechanism according to claim 3, the square tube that it is characterized in that leading is fixed on the frame rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203110606U CN203317794U (en) | 2013-05-31 | 2013-05-31 | Stroke adjusting mechanism of ejection oil cylinder of hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203110606U CN203317794U (en) | 2013-05-31 | 2013-05-31 | Stroke adjusting mechanism of ejection oil cylinder of hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203317794U true CN203317794U (en) | 2013-12-04 |
Family
ID=49657182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203110606U Withdrawn - After Issue CN203317794U (en) | 2013-05-31 | 2013-05-31 | Stroke adjusting mechanism of ejection oil cylinder of hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203317794U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273682A (en) * | 2013-05-31 | 2013-09-04 | 宁波恒力液压股份有限公司 | Stroke adjusting mechanism for ejection cylinder of hydraulic press |
| CN104139209A (en) * | 2014-06-19 | 2014-11-12 | 广东韶钢松山股份有限公司 | Swinging device for swinging roller bed for shearing machine of bar or plate production line and applications of swinging device |
-
2013
- 2013-05-31 CN CN2013203110606U patent/CN203317794U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273682A (en) * | 2013-05-31 | 2013-09-04 | 宁波恒力液压股份有限公司 | Stroke adjusting mechanism for ejection cylinder of hydraulic press |
| CN103273682B (en) * | 2013-05-31 | 2015-03-04 | 宁波恒力液压股份有限公司 | Stroke adjusting mechanism for ejection cylinder of hydraulic press |
| CN104139209A (en) * | 2014-06-19 | 2014-11-12 | 广东韶钢松山股份有限公司 | Swinging device for swinging roller bed for shearing machine of bar or plate production line and applications of swinging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150304 |
|
| RGAV | Abandon patent right to avoid regrant |