CN104952349A - Physical simulation experiment device for operating mechanisms of mechanical press - Google Patents
Physical simulation experiment device for operating mechanisms of mechanical press Download PDFInfo
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- CN104952349A CN104952349A CN201510364161.3A CN201510364161A CN104952349A CN 104952349 A CN104952349 A CN 104952349A CN 201510364161 A CN201510364161 A CN 201510364161A CN 104952349 A CN104952349 A CN 104952349A
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- connecting rod
- crank
- bearing
- slide block
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Abstract
The invention relates to a physical simulation experiment device for operating mechanisms of a mechanical press. The physical simulation experiment device comprises a drive support, a crank, a sliding block and the like, wherein one end of the crank is mounted in an O point position through the drive support, the O point position is kept unchanged on a base, the other end of the crank is connected with one end of a first connecting rod, the other end of the first connecting rod is connected with the sliding block mounted on a sliding block guide rail, the sliding block guide rail is mounted on the base, the sliding block can move linearly along an axis OB, lengths of the crank and the first connecting rod can be adjusted, the mounting position of the sliding block guide rail on the base can be changed along the axis OB, a telescopic connecting rod comprises a first connecting rod head, a s second connecting rod head and a connecting rod, one end of the first connecting rod is arranged in a groove I formed in the first connecting rod head and connected with the groove I through a first connecting piece, and the other end of the connecting rod is arranged in a groove II formed in the second connecting rod head and connected with the groove II through a second connecting piece. The physical simulation experiment device can be used for constructing press operating mechanisms such as a crank mechanism, a toggle rod mechanism and the like with different structural forms and sizes, and is convenient to mount and simple to operate.
Description
Technical field
The present invention is a kind of punching machine working mechanism physical simulation experiment device, belongs to the innovative technology of punching machine working mechanism physical simulation experiment device.
Background technology
Punching machine is a kind of typical former, is a kind of machine-tool, and the formed machining be widely used in multiple manufacturings such as machinery, automobile, electrical equipment, computing machine, information, light industry, boats and ships, instrument and meter, five metals, articles for daily use is produced.Punching machine can be divided into polytype according to its working mechanism's form, as crank block type pressing machine, toggle press, helical pressure machine etc., can be divided into different tonnage series by nominal pressure.
Standard machinery pressing machine generally adopts alternating current generator to drive, and the very large flywheel of moment of inertia is housed.When pressing machine is unloaded, motor drives flywheel High Rotation Speed, and flywheel stores the energy of motor input, flywheel instantaneous reduction of speed during work, produces very large moment of inertia release kinetic energy, provides the pressure that shaping machining needs.Pressing machine adopts this kind of drive, and the instantaneous power that its drive motor requires is lower, but motor continuously runs always, and therefore energy consumption serviceability that is high, pressing machine can not change.Along with electronic technology, motor technology and control technology, high power AC driven by servomotor technology obtains and develops rapidly, and be applied to the driving of punching machine, create servounit pressing machine, it adopts the working mechanism of high power AC pressing machine driven by servomotor directly, eliminate flywheel, the pressure that the moment of torsion inputted by motor directly provides shaping machining to need, this type of drive requires that the instantaneous power of motor is larger, but motor needs just to run during work, therefore there is significant energy-saving effect, and its shop characteristic is good, intelligentized formed machining technique can be realized.
In the production of pressing machine, first must carry out working mechanism's design according to important technological parameters such as tonnage, engineering pressure stroke, total kilometres, closed heights.For the better simply traditional punching machine of working mechanism, because its mechanism is simple, mode of motion is fixed, the manufacture of pressing machine after complete design, can be directly used in; And for the pressing machine of working mechanism's complexity, also having to pass through Physical Experiment model after design carries out experimental verification, and then carries out pressing machine manufacture.Servounit pressing machine is owing to eliminating flywheel, adopt servomotor Direct driver working mechanism, requirement machine instantaneous power and the large drive motor of moment of torsion, and working mechanism is optimized, reduce motor instantaneous power and moment of torsion, pressing machine is manufactured and designed significant, but the mechanism optimized is comparatively complicated, just can enter actual production after more needing to carry out experimental verification.Therefore, a kind of drive mechanism mode and scantling are proposed, punching machine physical simulation experiment platform that position can change, to carry out the experimental verification of pressing machine, to manufacturing and designing of punching machine especially servounit pressing machine, there is very important realistic meaning.Meanwhile, this physical simulation experiment platform also can be used as the scientific research of teaching aid for material shaping and control engineering specialty former course experiment teaching and former and control aspect, also significant to the teaching and scientific research in this field.
Summary of the invention
The object of the invention is to consider the problems referred to above and a kind of punching machine working mechanism physical simulation experiment device is provided.The punching machine working mechanism physical simulation experiment device of the present invention by adopting standardized element to assemble different structure form, different component size, it is easy to assembly, simple to operate.
Technical scheme of the present invention is: punching machine working mechanism of the present invention physical simulation experiment device, include base, drive bearing, crank, first connecting rod, slide block, one end of crank is arranged on O point position by driving bearing, O point position remains unchanged on base, the other end of crank is connected with one end of first connecting rod, the other end of first connecting rod is connected with slide block, slide block is arranged on slide block guide rail, slide block guide rail is installed on base, slide block can along axes O B moving linearly, wherein the crank length of crank can regulate, first connecting rod is extensible link, the installation site of slide block guide rail on base can change along axes O B, extensible link includes first connecting rod head, second connecting rod head and connecting link, wherein one end of connecting link is placed in the groove set by first connecting rod head, and connected by the first web member, the other end of connecting link is placed in the groove set by second connecting rod head, and connected by the second web member.
The present invention is made up of critical pieces such as base, extensible link, crank, slide block, rocker bar bearing and driving bearings, uses multi-form connecting rod, crank and slide block can build different structure form, different component size and crank and slide position changeable crank block class punching machine working mechanism physical simulation experiment model on base.The present invention is a kind of method designing employing standardized element structure punching machine working mechanism physical simulation experiment device easy cleverly, the practical teaching of former punching machine part can be applied to, the physical simulation experiment in servounit pressing machine R&D process can be used for again.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the embodiment of the present invention 3;
Fig. 4 is the structural representation of the embodiment of the present invention 4;
Fig. 5 is the structural representation of extensible link of the present invention;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the structural representation of first connecting rod head of the present invention;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is the structural representation of second connecting rod head of the present invention;
Figure 10 is the vertical view of Fig. 9;
Figure 11 is the structural representation that the present invention drives bearing;
Figure 12 is the vertical view of Figure 11;
Figure 13 is that the present invention drives bearing to be arranged on structural representation on base by web joint;
Figure 14 is the vertical view of Figure 13;
Figure 15 is the structural representation of third connecting rod head of the present invention;
Figure 16 is the vertical view of Fig. 1;
Figure 17 is the structural representation of rocker bar bearing of the present invention;
Figure 18 is the vertical view of Figure 17;
Figure 19 is the structural representation of base of the present invention;
Figure 20 is the structural representation of slide block of the present invention and guide rail
Figure 21 is the vertical view of Figure 20.
Embodiment
Embodiment:
Structural representation of the present invention as shown in Figure 1, punching machine working mechanism of the present invention physical simulation experiment device, it is a kind of crank block structure, include base 8, drive bearing 9, crank 1, first connecting rod 2, slide block 3, one end of crank 1 is arranged on O point position by driving bearing 9, O point position remains unchanged on base 8, the other end of crank 1 is connected with one end of first connecting rod 2, the other end of first connecting rod 2 is connected with slide block 3, slide block 3 is arranged on slide block guide rail 10, slide block guide rail 10 is installed on base 8, slide block 3 can along axes O B moving linearly, wherein the crank length of crank 1 can regulate, first connecting rod 2 is extensible link, the installation site of slide block guide rail 10 on base 8 can change along axes O B, extensible link includes first connecting rod head 11, second connecting rod head 12 and connecting link 13, wherein one end of connecting link 13 is placed in the groove 111 set by first connecting rod head 11, and connected by the first web member 14, the other end of connecting link 13 is placed in the groove 121 set by second connecting rod head 12, and connected by the second web member 15.The connecting link of a series of different length can realize the adjustment of the larger change of length of connecting rod, and the connection between connecting link and connecting rod head also can realize the change of length of connecting rod smaller length, and this combination can realize the continuous adjustment of length of connecting rod change.
Base 8 of the present invention is bases that whole mechanism installs, and slide block 3, driving bearing 9 are directly installed on base 8, support whole mechanism, and drive bearing 9 to be arranged on O point, position remains unchanged on base; Slide block 3 can along axes O B moving linearly, and the installation site of slide block guide rail on base can change along axes O B, to be suitable for the change of the slide position that crank 1 and first connecting rod 2 length variations are brought.
In the present embodiment, the groove 111 set by above-mentioned first connecting rod head 11 and the groove 121 set by second connecting rod head 12 are elongated slot.
In the present embodiment, one end of above-mentioned first connecting rod head 11 is provided with hinge hole 112, and first connecting rod head 11 is connected with crank 1 by hinge hole 112, and one end of second connecting rod head 12 is provided with hinge hole 122, and second connecting rod head 12 is connected with slide block 3 by hinge hole 122.
In the present embodiment, one end of above-mentioned crank 1 is connected with driving the driving shaft of bearing 9, realize the transmission of power, and crank 1 is provided with elongated hole 1a, crank 1 is connected with first connecting rod 2 by the coupling shaft 1b be installed on elongated hole 1a, coupling shaft 1b can move along in the elongated hole 1a set by crank 1, realizes the adjustment of crank 1 length.
In the present embodiment, above-mentioned first connecting rod 2 is also connected with second connecting rod 4 and third connecting rod 5, one end of second connecting rod 4 is connected with first connecting rod 2, the other end of second connecting rod 4 is connected with rocker bar bearing 10, rocker bar bearing 10 is arranged on base 8, one end of third connecting rod 5 is connected with first connecting rod 2, and the other end of third connecting rod 5 is connected with slide block 3; Rocker bar bearing 10 is arranged on C point on base 8 and maintains static, bearing 9 is driven to be arranged on O point, the position driving bearing 9 to be arranged on O point can move up and down, slide block 3 is also along axes O B moving linearly, the installation site of slide block guide rail on base can change along axes O B, the elbow-bar mechanism model of different connecting rod and crank length can be built, as shown in Figure 2.
In the present embodiment, also double leval jib 17 is connected with between above-mentioned second connecting rod 4 and third connecting rod 5, one end of second connecting rod 4 is connected at pin joint B with first connecting rod 2 and is connected with one end of double leval jib 17, the other end of second connecting rod 4 is connected with by rocker bar bearing 10, one end of third connecting rod 5 is connected at pin joint E with one end of the 5th connecting rod 18 and is connected with the other end of double leval jib 17, the other end of the 5th connecting rod 18 is connected with crank 1, and the other end of third connecting rod 5 is connected with slide block 3; Rocker bar bearing 10 is arranged on C point and maintains static, bearing 9 is driven to be arranged on O point, the position driving bearing 9 to be arranged on O point can move up and down, slide block 3 also can along axes O B moving linearly, the installation site of slide block guide rail on base can change along axes O B, can build the triangle elbow-bar mechanism model of different connecting rod and crank length.。Triangle elbow-bar mechanism as shown in Figure 3.
In addition, also double leval jib 17 is connected with between above-mentioned second connecting rod 4 and third connecting rod 5, one end of second connecting rod 4 is connected at pin joint B with first connecting rod 2 and is connected with one end of double leval jib 17, the other end of second connecting rod 4 is connected with by rocker bar bearing 10, one end of third connecting rod 5 is connected at pin joint E with one end of the 5th connecting rod 18 and is connected with the other end of double leval jib 17, the other end of the 5th connecting rod 18 is connected with the second crank 21, and the other end of third connecting rod 5 is connected with slide block 3; Rocker bar bearing 10 is arranged on C point and maintains static, bearing 9 is driven to be arranged on O point, the position driving bearing 9 to be arranged on O point can move up and down, second crank 21 other end is connected with driving bearing 22, bearing 22 is driven to be arranged on O ' point, the position driving bearing 22 to be arranged at O ' can move up and down, slide block 3 also can along axes O B moving linearly, the installation site of slide block guide rail on base can change along axes O B, can build the Dual Drive elbow-bar mechanism model of different connecting rod and crank length.As shown in Figure 4.
One end of above-mentioned second crank 21 is connected with driving the driving shaft of bearing 22, realize the transmission of power, and the structure of the second crank 21 is identical with the structure of crank 1 or similar, second crank 21 is also provided with elongated hole, second crank 21 is connected with the 5th connecting rod 18 by the coupling shaft be installed on the elongated hole set by it, coupling shaft can move along in elongated hole set on the second crank 21, realizes the adjustment of the second crank 21 length.
In the present embodiment, above-mentioned driving bearing 9 is arranged on base 8 by web joint 16, bearing 9 is driven to be arranged on web joint 16, web joint 16 is arranged on base 8, base 8 adopt elongated hole 81 can realize driving the adjustment of bearing 9 installation site change, drive driving shaft one end of bearing 9 to be connected with crank 1, the other end is connected with drive motor.
In the present embodiment, above-mentioned pin joint B and pin joint E is connected by third connecting rod head 19.Third connecting rod head 19 realizes the connection between 3 connecting rods.
In the present embodiment, above-mentioned rocker bar bearing 20 is directly installed on the C point position of base 8, and its installation site remains unchanged on base 8.
Slide block structure, as shown in Figure 20,21, is made up of slide block 3 and slide block guide rail 31.Slide block guide rail 31 is arranged on base 8, and the elongated hole on base 8 can realize the adjustment of slide block installation site.Slide block 3 is connected with second connecting rod 2, and slide block 3 can move up and down along slide block guide rail 31 under the effect of second connecting rod 2.
The present invention can realize the adjustment of the larger change of length of connecting rod by the connecting link of a series of different length, and the connection between connecting link and connecting rod head also can realize the change of length of connecting rod smaller length, and this combination can realize the continuous adjustment of length of connecting rod change.
Claims (10)
1. a punching machine working mechanism physical simulation experiment device, include base, drive bearing, crank, first connecting rod, slide block, one end of crank is arranged on O point position by driving bearing, O point position remains unchanged on base, the other end of crank is connected with one end of first connecting rod, the other end of first connecting rod is connected with slide block, slide block is arranged on slide block guide rail, slide block guide rail is installed on base, slide block can along axes O B moving linearly, it is characterized in that the crank length of crank can regulate, first connecting rod is extensible link, the installation site of slide block guide rail on base can change along axes O B, extensible link includes first connecting rod head, second connecting rod head and connecting link, wherein one end of connecting link is placed in the groove set by first connecting rod head, and connected by the first web member, the other end of connecting link is placed in the groove set by second connecting rod head, and connected by the second web member.
2. punching machine working mechanism according to claim 1 physical simulation experiment device, is characterized in that the groove set by above-mentioned first connecting rod head and the groove set by second connecting rod head are elongated slot.
3. punching machine working mechanism according to claim 1 physical simulation experiment device, it is characterized in that one end of above-mentioned first connecting rod head is provided with hinge hole, first connecting rod head is connected with crank by the hinge hole set by it, one end of second connecting rod head is provided with hinge hole, and second connecting rod head is connected with slide block by the hinge hole set by it.
4. punching machine working mechanism according to claim 1 physical simulation experiment device, it is characterized in that one end of above-mentioned crank is connected with driving the driving shaft of bearing, realize the transmission of power, and crank is provided with elongated hole, crank is connected with first connecting rod by the coupling shaft be installed on elongated hole, coupling shaft can move along in the elongated hole on crank, realizes the adjustment of crank length.
5. punching machine working mechanism according to claim 1 physical simulation experiment device, it is characterized in that above-mentioned first connecting rod is also connected with second connecting rod and third connecting rod, one end of second connecting rod is connected with first connecting rod, the other end of second connecting rod is connected with rocker bar bearing, one end of third connecting rod is connected with first connecting rod, and the other end of third connecting rod is connected with slide block; Rocker bar bearing is arranged on C point and maintains static, bearing is driven to be arranged on O point, the position driving bearing to be arranged on O point can move up and down, slide block is also along axes O B moving linearly, the installation site of slide block guide rail on base can change along axes O B, can build the elbow-bar mechanism model of different connecting rod and crank length.
6. punching machine working mechanism according to claim 5 physical simulation experiment device, it is characterized in that also being connected with double leval jib between above-mentioned second connecting rod and third connecting rod, one end of second connecting rod is connected with first connecting rod at pin joint B and is connected with one end of double leval jib, the other end of second connecting rod is connected with by rocker bar bearing, one end of third connecting rod is connected at pin joint E with one end of the 5th connecting rod and is connected with the other end of double leval jib, the other end of the 5th connecting rod is connected with crank, and the other end of third connecting rod is connected with slide block; Rocker bar bearing is arranged on C point and maintains static, bearing is driven to be arranged on O point, the position driving bearing to be arranged on O point can move up and down, slide block also can along axes O B moving linearly, the installation site of slide block guide rail on base can change along axes O B, can build the triangle elbow-bar mechanism model of different connecting rod and crank length.
7. punching machine working mechanism according to claim 5 physical simulation experiment device, it is characterized in that also being connected with double leval jib between above-mentioned second connecting rod and third connecting rod, one end of second connecting rod is connected with first connecting rod at pin joint B and is connected with one end of double leval jib, the other end of second connecting rod is connected with by rocker bar bearing, one end of third connecting rod is connected at pin joint E with one end of the 5th connecting rod and is connected with the other end of double leval jib, the other end of the 5th connecting rod is connected with the second crank, and the other end of third connecting rod is connected with slide block; Rocker bar bearing is arranged on C point and maintains static, bearing is driven to be arranged on O point, the position driving bearing to be arranged on O point can move up and down, the other end of the second crank is connected with driving bearing, drive bearing to be arranged on O ' point, the position driving bearing to be arranged at O ' can move up and down, and slide block also can along axes O B moving linearly, the installation site of slide block guide rail on base can change along axes O B, can build the Dual Drive elbow-bar mechanism model of different connecting rod and crank length.
8. the punching machine working mechanism physical simulation experiment device according to any one of claim 1 to 7, it is characterized in that above-mentioned driving bearing is arranged on base by web joint, bearing is driven to be arranged on web joint, web joint is arranged on base, base adopt elongated hole can realize driving the adjustment of bearing installation site change, drive driving shaft one end that bearing is installed to be connected with crank, the other end is connected with drive motor.
9. punching machine working mechanism according to claim 8 physical simulation experiment device, is characterized in that above-mentioned pin joint B and pin joint E is connected by third connecting rod head; Above-mentioned rocker bar bearing is directly installed on the C point of base, and its installation site remains unchanged on base.
10. punching machine working mechanism according to claim 8 physical simulation experiment device, it is characterized in that one end of above-mentioned second crank is connected with driving the driving shaft of bearing, realize the transmission of power, and the structure of the second bent axle is identical with the structure of bent axle, second crank is also provided with elongated hole, second crank is connected with connecting rod by the coupling shaft be installed on elongated hole, and coupling shaft can move along in the elongated hole on the second crank, realizes the adjustment of the second crank length.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510364161.3A CN104952349B (en) | 2015-06-25 | 2015-06-25 | A kind of mechanical press operating mechanism physical simulation experiment device |
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| CN201510364161.3A CN104952349B (en) | 2015-06-25 | 2015-06-25 | A kind of mechanical press operating mechanism physical simulation experiment device |
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| CN104952349A true CN104952349A (en) | 2015-09-30 |
| CN104952349B CN104952349B (en) | 2018-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107749233A (en) * | 2017-12-06 | 2018-03-02 | 西安工业大学 | A kind of mechanical design course combined appliance for teaching |
| CN113927312A (en) * | 2021-10-28 | 2022-01-14 | 燕山大学 | Laser remelting rapid forming device and remelting forming method |
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| CN204398355U (en) * | 2015-01-12 | 2015-06-17 | 广东工业大学 | Servounit forcing press Dual Drive elbow-bar mechanism |
| CN205080830U (en) * | 2015-06-25 | 2016-03-09 | 广东工业大学 | Mechanical press operating mechanism physical simulation experimental apparatus |
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| DE4103348A1 (en) * | 1991-02-05 | 1992-08-06 | Weidmueller C A Gmbh Co | Industrial mechanic training appts. to learn exact setting mechanical machine work cycles - is designed as toggle lever press and can be arranged interchangeable with tool and workpiece reception units and corresp. tools e.g. for stamping and bending |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113927312A (en) * | 2021-10-28 | 2022-01-14 | 燕山大学 | Laser remelting rapid forming device and remelting forming method |
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| CN104952349B (en) | 2018-09-04 |
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