CN202491051U - Precise pressing machine - Google Patents
Precise pressing machine Download PDFInfo
- Publication number
- CN202491051U CN202491051U CN2012201200995U CN201220120099U CN202491051U CN 202491051 U CN202491051 U CN 202491051U CN 2012201200995 U CN2012201200995 U CN 2012201200995U CN 201220120099 U CN201220120099 U CN 201220120099U CN 202491051 U CN202491051 U CN 202491051U
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- pressing
- frame
- grating
- press
- displacement sensor
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Abstract
The utility model discloses a precise pressing machine, comprising a frame, a pressing head, a motor, a control circuit and a grating scale displacement sensor. The precise pressing machine is characterized in that a pressing rod is fixedly connected to the top surface of the pressing head; the pressing rod is in sliding connection with the frame along a vertical direction through a guiding piece; a blind hole is formed in the center of the upper end surface of the pressing rod; a screw rod passes through the blind hole; the upper end of the screw rod is rotationally supported on the frame; a nut is sleeved and meshed with the screw rod; the nut is fixedly connected with the pressing rod; the motor is a servo motor; the servo motor is fixed relatively to the frame; the output shaft of the servo motor is in transmission connection with the upper end of the screw rod through a synchronous wheel transmission mechanism; the metrological grating of the grating scale displacement sensor is arranged in parallel with the pressing rod, and is connected with the pressing rod or the pressing head, so that the metrological grating moves synchronously with the pressing rod or the pressing head; and the grating reading head of the grating scale displacement sensor is relatively fixed on the frame. The precise pressing machine disclosed by the utility model has a pressing function and a waste product detection function; and besides, the pressing operation and the waste product detection operation are completed in one step.
Description
Technical field
The utility model relates to a kind of pressing machine, is specifically related to a kind of accurate pressing machine.
Background technology
Pressing machine is the plant equipment that is used to press-fit parts (such as axle sleeve, bearing).Existing pressing machine is pressed power source and is divided, and can be divided into hydraulic pressure pressing machine, pneumatic pressing machine and electronic pressing machine etc.Mostly the gentle dynamic pressure installation of hydraulic pressure pressing machine is to limit stroke by mechanical mechanism, and stroke is fixed, and be difficult for regulating, and because of liquids and gases have compressibility, temperature influence is bigger, so the force value that output press-fits is unstable, can cause the instability of product quality.Electronic pressing machine adopts motor to drive, and it is controlled that pressure assembling force and stroke are adjustable, press-fits ratio of precision hydraulic pressure, pneumatic pressing machine is high, but the prior electric pressing machine does not possess when press-fiting the precision monitor pressure assembling force and press-fits the measuring ability that displacement detects waste product.Actually press-fit; Whether qualified, and whether the assembly integral body that after press-fiting, detects after assembling again is qualified if need before press-fiting, detect part itself, existing for detecting or manual detection; Being equipped with a machines in addition detects; Can't when press-fiting, promptly detect waste product, promptly press-fit and detect substep and accomplish, not only consuming time but also increase manual work/equipment cost.
Summary of the invention
The utility model purpose provides a kind of accurate pressing machine, thus this pressing machine can when press-fiting, monitor and press-fit displacement and detect waste product, make to press-fit and detect a step and accomplish.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of accurate pressing machine comprises that a frame, relative frame are along the press-loading head of linear slide setting, the motor and the control circuit of driving press-loading head; The end face of said press-loading head is fixedly connected a depression bar, and this depression bar vertically and between frame is slidingly connected through a guide, and a blind hole is offered at the center, upper surface of depression bar; Placed a leading screw in the said blind hole, the relative frame rotational support in the upper end of this leading screw, said leading screw upper sleeve through is combined with a nut, and this nut is fixedly connected with the upper end of depression bar; Said nut is or/and the outer peripheral face of depression bar is provided with an anti-rotation groove, and relative this anti-rotation groove is provided with the anti-rotation insert on the frame, and this anti-rotation insert embeds with the anti-rotation groove and cooperates; Said motor is a servomotor, and the relative frame of this servomotor is fixed, and the output shaft of servomotor is in transmission connection through the upper end of synchronizing wheel transmission mechanism and leading screw; And, also comprising a grating rule displacement sensor, the scale grating of this grating rule displacement sensor is parallel to the depression bar setting, and is connected thereupon with depression bar or press-loading head and is synchronized with the movement, and the grating reading head relative fixed of grating rule displacement sensor is on frame; The output of said grating rule displacement sensor inserts said control circuit, and said servomotor is controlled in the output of control circuit.
Related content in the technique scheme is explained as follows:
1, in the such scheme, said grating rule displacement sensor is called for short the grating chi, is the measurement feedback device that utilizes the optical principle work of grating, and it is made up of scale grating and grating reading head two parts.
2, in the such scheme, said guide is a linear bearing.
3, in the such scheme, said control circuit comprises an industrial computer, and the output of said grating rule displacement sensor inserts industrial computer, the said servomotor of industrial computer output control.
4, in the such scheme, said press-loading head is to act on the parts of being pressed part, and it can directly be a press mounting die, also can on press-loading head, install a press mounting die again additional.
Because the application of technique scheme the utlity model has following effect:
1, the depression bar that adopts owing to the utility model, unique erection mode of leading screw, compact conformation makes the little save space of overall volume;
2, because the utility model adopts driven by servomotor, added the grating rule displacement sensor, accurate in real time the detection press-fits displacement in the process that press-fits; The grating rule displacement sensor directly detects the displacement of depression bar or press-loading head, and accuracy is high, thereby and contrast with setting value by control circuit and to judge waste product; Thereby the utility model had both had the function of press-fiting; Have the function that detects waste product again, and press-fit and detect waste product and settle at one go, the utility model also can only use as checkout equipment.
Description of drawings
Accompanying drawing 1 is the utility model example structure sketch map;
Accompanying drawing 2 is the block diagram of the utility model embodiment control circuit.
In the above accompanying drawing: 1, frame; 2, press-loading head; 3, depression bar; 5, blind hole; 6, leading screw; 7, nut; 8, anti-rotation groove; 9, servomotor; 10, driving wheel; 11, driven pulley; 12, be with synchronously; 13, grating rule displacement sensor; 14, scale grating; 15, counter flange; 16, grating reading head; 17, shroud member; 18, anti-rotation insert; 19, guide.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Embodiment: shown in accompanying drawing 1, accompanying drawing 2:
Shown in accompanying drawing 1, a kind of accurate pressing machine comprises a frame 1, the press-loading head 2 that is provided with along linear slide of frame 1, motor and the control circuit that drives press-loading head 2 relatively.
The end face of said press-loading head 2 is fixedly connected a depression bar 3, this depression bar 3 vertically and 1 warp of frame, one guide 19 be slidingly connected, said guide 19 can be a fairlead, but is preferably the employing linear bearing.A blind hole 5 is offered at the center, upper surface of depression bar 3; Placed a leading screw 6 in the said blind hole 5; The upper end rotational support of this leading screw 6 is on frame 1, and said leading screw 6 upper sleeve throughs are combined with a nut 7, and this nut 7 is fixedly connected with the upper end of depression bar 3; Concrete like Fig. 1, nut 7 is embedded in blind hole 5 upper ends of depression bar 3 and fixes.
Said nut 7 is or/and the outer peripheral face of depression bar 3 is provided with an anti-rotation groove 8, and relative this anti-rotation groove 8 is provided with anti-rotation insert 18 on the frame 1, and this anti-rotation insert 18 embeds with anti-rotation groove 8 and cooperates, and rotates with leading screw 6 to prevent nut 7 and depression bar 3.
Said motor specifically adopts servomotor 9, and these servomotor 9 relative frames are fixed, and the output shaft of servomotor 9 is in transmission connection through the upper end of synchronizing wheel transmission mechanism and leading screw 6.Said synchronizing wheel transmission mechanism can be one group of synchronizing wheel, also can be many group synchronizing wheels, and as shown in Figure 1, said synchronizing wheel transmission mechanism is by driving wheel 10, driven pulley 11 and be with 12 to form synchronously.The output shaft of said servomotor 9 can directly be connected with the synchronizing wheel transmission mechanism, also can be connected with the synchronizing wheel transmission mechanism through one speed reducer.
And; Also comprise a grating rule displacement sensor 13; The scale grating 14 of this grating rule displacement sensor 13 is parallel to depression bar 3 and is provided with; And be connected thereupon with depression bar 3 or press-loading head 2 (being counter flange 15 on the concrete figure) and be synchronized with the movement, and grating reading head 16 relative fixed of grating rule displacement sensor 13 are on frame 1 with depression bar 3 lower ends; The output of said grating rule displacement sensor 13 inserts said control circuit, and said servomotor 9 is controlled in the output of control circuit.
And, be provided with a shroud member 17 in the periphery of leading screw 6, nut 7 and depression bar 3, promptly be used for leading screw 6, nut 7 are carried out proofing dust and protecting.
Shown in accompanying drawing 2; Said control circuit specifically comprises industrial computer and audible-visual annunciator; Said industrial computer has the man-machine interaction screen, and the output of said grating rule displacement sensor 13 inserts industrial computer, industrial computer output said servomotor 9 of control and audible-visual annunciator.
During work; Below said press-loading head 2, place workpiece to be press-fited, when press-loading head 2 pressed down, the scale grating 14 of grating rule displacement sensor 13 moved down thereupon; Grating reading head 16 is gathered displacement signal and is sent to the industrial computer end, thereby by industrial computer the displacement that press-fits process is monitored in real time.Displacement signal is detected by grating rule displacement sensor 13 and obtains, and is input to industrial computer, after handling through embedded industrial control system, displacement is presented on the man-machine interaction screen with digital form.In the control system, can set the product quality decision procedure: like peak value judgement, regional determination etc.Before press-fiting, at first set decision procedure, the decision procedure of selecting is installed parameter is set through keyboard; Also need set parameters such as the speed that press-fits and dwell time in addition.Press-fit process through the operation keyboard startup then, servomotor 9 is according to setting pattern, drive transmission device; And then drive press-loading head 2 and move up and down, embedded industrial control system reads displacement signal simultaneously, and handles and judge; After reaching being pressed into displacement or press-fiting the time of setting, press-loading head 2 returns rapidly, and whether control system simultaneously qualified according to the data judging product that detects; Defective, make alarm and audible-visual annunciator sends sound and light alarm at the man-machine interaction screen.
Present embodiment is applicable to the workpiece that the overall height dimension after press-fiting is well had accurate requirement, promptly is pressed into displacement through detection and judges to press-fit whether put in place.
The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.
Claims (3)
1. accurate pressing machine; Comprise that a frame, relative frame are along the press-loading head of linear slide setting, the motor and the control circuit of driving press-loading head; It is characterized in that: the end face of said press-loading head is fixedly connected a depression bar; This depression bar vertically and between frame is slidingly connected through a guide, and a blind hole is offered at the center, upper surface of depression bar; Placed a leading screw in the said blind hole, the relative frame rotational support in the upper end of this leading screw, said leading screw upper sleeve through is combined with a nut, and this nut is fixedly connected with the upper end of depression bar; Said nut is or/and the outer peripheral face of depression bar is provided with an anti-rotation groove, and relative this anti-rotation groove is provided with the anti-rotation insert on the frame, and this anti-rotation insert embeds with the anti-rotation groove and cooperates; Said motor is a servomotor, and the relative frame of this servomotor is fixed, and the output shaft of servomotor is in transmission connection through the upper end of synchronizing wheel transmission mechanism and leading screw; And, also comprising a grating rule displacement sensor, the scale grating of this grating rule displacement sensor is parallel to the depression bar setting, and is connected thereupon with depression bar or press-loading head and is synchronized with the movement, and the grating reading head relative fixed of grating rule displacement sensor is on frame; The output of said grating rule displacement sensor inserts said control circuit, and said servomotor is controlled in the output of control circuit.
2. accurate pressing machine according to claim 1 is characterized in that: said guide is a linear bearing.
3. accurate pressing machine according to claim 1 is characterized in that: said control circuit comprises an industrial computer, and the output of said grating rule displacement sensor inserts industrial computer, the said servomotor of industrial computer output control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201200995U CN202491051U (en) | 2012-03-27 | 2012-03-27 | Precise pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201200995U CN202491051U (en) | 2012-03-27 | 2012-03-27 | Precise pressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491051U true CN202491051U (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201200995U Expired - Lifetime CN202491051U (en) | 2012-03-27 | 2012-03-27 | Precise pressing machine |
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| CN (1) | CN202491051U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737279A (en) * | 2013-12-20 | 2014-04-23 | 吴江市震宇缝制设备有限公司 | Sleeving device of magnet ring insulating sleeves |
| CN104226769A (en) * | 2013-10-29 | 2014-12-24 | 苏州通锦自动化设备有限公司 | Servo spinning machine |
| CN107520595A (en) * | 2017-09-15 | 2017-12-29 | 郑州斯倍思机电有限公司 | A kind of crankcase battle pin pressing machine |
| CN108858041A (en) * | 2018-08-31 | 2018-11-23 | 武汉华枫传感技术股份有限公司 | A kind of linear bearing press-loading apparatus and pressing method for combined probe assembly |
| CN112828569A (en) * | 2021-03-10 | 2021-05-25 | 机械工业第九设计研究院有限公司 | Auxiliary frame hinge press-fitting equipment |
| CN113124943A (en) * | 2021-04-28 | 2021-07-16 | 北京航空航天大学 | High-precision adjustable venturi based on grating ruler feedback |
-
2012
- 2012-03-27 CN CN2012201200995U patent/CN202491051U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226769A (en) * | 2013-10-29 | 2014-12-24 | 苏州通锦自动化设备有限公司 | Servo spinning machine |
| CN104226769B (en) * | 2013-10-29 | 2016-05-11 | 苏州通锦自动化设备有限公司 | Servo spinning machine |
| CN103737279A (en) * | 2013-12-20 | 2014-04-23 | 吴江市震宇缝制设备有限公司 | Sleeving device of magnet ring insulating sleeves |
| CN103737279B (en) * | 2013-12-20 | 2016-06-22 | 吴江市震宇缝制设备有限公司 | A kind of bushing device of magnet ring insulation sleeve |
| CN107520595A (en) * | 2017-09-15 | 2017-12-29 | 郑州斯倍思机电有限公司 | A kind of crankcase battle pin pressing machine |
| CN108858041A (en) * | 2018-08-31 | 2018-11-23 | 武汉华枫传感技术股份有限公司 | A kind of linear bearing press-loading apparatus and pressing method for combined probe assembly |
| CN108858041B (en) * | 2018-08-31 | 2020-12-01 | 武汉华枫传感技术股份有限公司 | Linear bearing press-fitting device and method for assembling composite probe |
| CN112828569A (en) * | 2021-03-10 | 2021-05-25 | 机械工业第九设计研究院有限公司 | Auxiliary frame hinge press-fitting equipment |
| CN113124943A (en) * | 2021-04-28 | 2021-07-16 | 北京航空航天大学 | High-precision adjustable venturi based on grating ruler feedback |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: High tech Zone in Suzhou city of Jiangsu Province Jin Yan Road 215129 No. 8 Patentee after: Suzhou Tongjin precision industry Limited by Share Ltd Address before: 1 workshop No. 215129, Shishan industrial corridor, 89 Songshan Road, hi tech Zone, Jiangsu, Suzhou Patentee before: Suzhou Tongjin Precision Industry Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |
|
| CX01 | Expiry of patent term |