CN207770494U - Mechanical stop limiter - Google Patents
Mechanical stop limiter Download PDFInfo
- Publication number
- CN207770494U CN207770494U CN201721854644.2U CN201721854644U CN207770494U CN 207770494 U CN207770494 U CN 207770494U CN 201721854644 U CN201721854644 U CN 201721854644U CN 207770494 U CN207770494 U CN 207770494U
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- wedge
- arm
- cross
- cushion block
- lead screw
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Abstract
The utility model is related to a kind of mechanical stop limiters.Mechanical stop limiter provided by the utility model includes the left mechanism being symmetrical set and right mechanism, lead screw, wedge, cross-arm, bottom plate；The left mechanism and right mechanism include respectively the cross-arm, lead screw and wedge；The wedge is two, is inserted in the both ends of the lead screw of axial level respectively, and one of wedge is fixed on the bottom plate below lead screw, another wedge is threaded on lead screw；The cross-arm is set above the wedge, and the wedge top surface is, to centroclinal plane, the bottom surface of the cross-arm matches setting with the wedge top surface by the end of out screw rod axial direction.Mechanical stop limiter provided by the utility model can realize that bulk article axial dimension is stablized, the precision of product can be controlled within 0.1mm, and it is not influenced by workpiece temperature, excircle dimension, forming pressure, and trace regulation can also be carried out by electrical control, substantially reduce labor intensity and human cost.
Description
Technical field
The utility model is related to machinery fields, and in particular to a kind of mechanical stop limiter for pressure forming machine.
Background technology
During pressure forming, especially in hydraulic extrusion press forming process, position control be it is very crucial, directly
The axial dimension of product is influenced, the axial dimensional errors range of product is small to bring simplified technique, reduction processing, stock utilization
The benefits such as high, the at low cost, market competitiveness is strong.
In the prior art, the following two methods of generally use are limited to squeezing object：
1. using hydraulic pressure combination electrical control is leaned on, the multiple elements such as proportioning valve, displacement sensor need to be increased, and had by fluid
The influence of the factors such as temperature, press deformation, control accuracy, the precision of control element is very big, it is not easy to realize, and cost increases
Very much, and in hot extrusion it is influenced by the unstable of workpiece heat temperature, control is more complicated, and it is difficult effect to implement
Fruit is bad.
2. using the method with locating piece, this method can not be finely adjusted, and operation is extremely inconvenient, in product variety specification
When changing more, production efficiency is just seriously affected.
Utility model content
For the defects in the prior art, the main purpose of the utility model be to provide a kind of easy to operate, stable quality,
At low cost, practicable mechanical stop limiter.
Mechanical stop limiter provided by the utility model includes：The left mechanism and right mechanism that are symmetrical set, are carved lead screw
Block, cross-arm, bottom plate；The left mechanism and right mechanism include respectively the cross-arm, lead screw and wedge；The wedge is two,
It is inserted in the both ends of the lead screw of axial level respectively, one of wedge is fixed on the bottom plate below lead screw, another wedge spiral shell
Line is connected on lead screw；The cross-arm is set above the wedge, and the wedge top surface is the end by out screw rod axial direction into
The inclined plane of the heart, the bottom surface of the cross-arm match setting with the wedge top surface.
It is inclined-plane, the bottom surface of cross-arm that the bottom surface of the cross-arm, which matches setting namely the top surface of wedge with the wedge top surface,
It is that the inclined-plane coordinated with wedge top surface is arranged, i.e. the centre of cross-arm bottom surface is plane, but its both sides is to incline from outside to inside to bottom
Oblique inclined-plane, cross-arm just form inverted trapezoidal mesa-shaped.
That is, the object for extruding is placed above cross-arm, and the raising and lowering of cross-arm is to rely on two
Wedge realizes towards and away from movement, and two wedges towards and away from movement is drive it by the rotation of lead screw
In wedge is opposite or dorsal glide is realized.
Further, above-mentioned mechanical stop limiter further includes：Screw rod transmission bar, connecting rod, transmission mechanism, motor；It is described
Lead screw one end is connect by gear transmission mode with the top of screw rod transmission bar；The bottom end of the screw rod transmission bar of the left mechanism is logical
The first end for crossing angular wheel and connecting rod connects, and the screw rod transmission bar of the right mechanism and the motor axis connection of motor are described
Motor shaft is connect with the second end of the connecting rod by angular wheel；The axial direction of the connecting rod is horizontally disposed.
Further, the angle of inclination of the top surface of wedge described in above-mentioned mechanical stop limiter is 5-15 °.Under normal conditions
It will be considered that the run-off the straight of cross-arm top surface can be made by only carrying out movement by single wedge, and actually by a large amount of practical operation
Experiment, when the top surface inclination degree of wedge is maintained at 5-15 °, in squeeze job especially in squeeze operation, the meeting of cross-arm top surface
Remain horizontal, therefore the utility model can realize accurately controlling for squeeze job by such simple structure.
Further, above-mentioned mechanical stop limiter further includes：Match the upper cushion block and lower cushion block of setting；The lower cushion block is set
It is placed in the top surface of the cross-arm, the cross-arm top surface is horizontally disposed；The upper cushion block is set to the top of the lower cushion block；It is described
Upper cushion block and lower cushion block are provided with four groups.Its operation principle is will between the two by upper cushion block and moving toward one another for lower cushion block
Article to be extruded carries out squeeze job, and along uniform plane setting is squeezed, by cushion block squeeze can to wait for cushion block
It is more uniform to squeeze article compression.
Further, in above-mentioned mechanical stop limiter, the bottom surface of the upper cushion block is provided with one layer of wearing layer, the underlay
The top surface of block is provided with one layer of wearing layer.Wearing layer can be antifriction metal (AFM) layer, such as copper, in connecing for cushion block and article to be extruded
It is to be convenient for maintenance to improve the service life of equipment that one layer of wearing layer, which is arranged, in contacting surface.
Further, above-mentioned mechanical stop limiter further includes rotary encoder；The rotation angle of the motor passes through rotation
Encoder settings.Realize that the rotation angle control of motor can so that whole operation process is electrified by rotary encoder,
Operating personnel can complete the operation of the raising and lowering of cross-arm on the touchscreen.
In conclusion mechanical stop limiter provided by the utility model can realize that bulk article axial dimension is stablized, it can
It to control the precision of product within 0.1mm, and is not influenced by workpiece temperature, excircle dimension, forming pressure, and may be used also
To carry out trace regulation by electrical control, labor intensity and human cost are substantially reduced.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar reference numeral.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram for the mechanical stop limiter that one embodiment of the utility model provides；
Fig. 2 is the A-A of Fig. 1 to broken section view.
Specific implementation mode
The embodiment of technical solutions of the utility model is described in detail below in conjunction with attached drawing.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and this practicality cannot be limited with this
Novel protection domain.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In this application unless specifically defined or limited otherwise, the terms such as term " connection " shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, or is integral；It can be mechanical connection, can also be electrical connection；
It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two elements
Interaction relationship.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in utility model.
The utility model is described as follows according to the preferred embodiment that Fig. 1 and Fig. 2 are provided：
Mechanical stop limiter includes the left mechanism 1 being symmetrical set and right mechanism 2, lead screw 10, wedge 9, cross-arm 8, bottom
Plate 13；The left mechanism 1 and right mechanism 2 include respectively the cross-arm 8, lead screw 10 and wedge 9；The wedge 9 is two, point
It is not inserted in the both ends of the lead screw 10 of axial level, one of wedge 9 is fixed on the bottom plate 13 of 10 lower section of lead screw, another is carved
Block 9 is threaded on lead screw 10；The cross-arm 8 is arranged in 9 top of the wedge, and 9 top surface of the wedge is by 10 axis of out screw rod
To end to centroclinal plane, the bottom surface of the cross-arm 8 matches setting with 9 top surface of the wedge；The top surface of wedge 9
Angle of inclination is 10 °
Above-mentioned mechanical stop limiter further includes screw rod transmission bar 11, connecting rod 3, transmission mechanism, motor 4；The lead screw 10
One end is connect by gear transmission mode with the top of screw rod transmission bar 11；The bottom end of the screw rod transmission bar 11 of the left mechanism 1
It is connect with the first end of connecting rod 3 by angular wheel, the screw rod transmission bar 11 of the right mechanism 2 connects with the motor shaft of motor 4
It connects, the motor shaft is connect with the second end of the connecting rod 3 by angular wheel；The axial direction of the connecting rod 3 is horizontally disposed.
Above-mentioned mechanical stop limiter further includes：Match the upper cushion block 6 and lower cushion block 7 of setting；The lower cushion block 7 is set to institute
The top surface of cross-arm 8 is stated, 8 top surface of the cross-arm is horizontally disposed；The upper cushion block 6 is set to the top of the lower cushion block 7；On described
Cushion block 6 and lower cushion block 7 are provided with four groups.Its operation principle is will between the two by upper cushion block 6 and moving toward one another for lower cushion block 7
Article to be extruded carry out squeeze job, cushion block along squeeze uniform plane setting, by cushion block carry out extruding can make
Article to be extruded is pressurized more uniform；The bottom surface of upper cushion block 6 is provided with one layer of wearing layer 12, the top surface setting of the lower cushion block 7
There is one layer of wearing layer 12.
Above-mentioned mechanical stop limiter further includes rotary encoder；The rotation angle of the motor 4 is set by rotary encoder
It is fixed；It may be contained within being protected in gear box 5 by gear-driven gear set in above-mentioned mechanical stop limiter.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (6)
1. a kind of mechanical stop limiter, which is characterized in that including：
The left mechanism and right mechanism, lead screw, wedge, cross-arm, bottom plate being symmetrical set；
The left mechanism and right mechanism include respectively the cross-arm, lead screw and wedge；
The wedge is two, is inserted in the both ends of the lead screw of axial level respectively, and one of wedge is fixed in below lead screw
On bottom plate, another wedge is threaded on lead screw；
The cross-arm is set above the wedge, and the wedge top surface is to be put down by end to centroclinal of out screw rod axial direction
Face, the bottom surface of the cross-arm match setting with the wedge top surface.
2. mechanical stop limiter according to claim 1, which is characterized in that further include：
Screw rod transmission bar, connecting rod, transmission mechanism, motor；
Described lead screw one end is connect by gear transmission mode with the top of screw rod transmission bar；
The bottom end of the screw rod transmission bar of the left mechanism is connected by the first end of angular wheel and connecting rod, the right mechanism
The motor axis connection of screw rod transmission bar and motor, the motor shaft are connect with the second end of the connecting rod by angular wheel；
The axial direction of the connecting rod is horizontally disposed.
3. mechanical stop limiter according to claim 1, which is characterized in that
The angle of inclination of the top surface of the wedge is 5-15 °.
4. mechanical stop limiter according to claim 1, which is characterized in that further include：
Match the upper cushion block and lower cushion block of setting；
The lower cushion block is set to the top surface of the cross-arm, and the cross-arm top surface is horizontally disposed；
The upper cushion block is set to the top of the lower cushion block；
The upper cushion block and lower cushion block are provided with four groups.
5. mechanical stop limiter according to claim 4, which is characterized in that
The bottom surface of the upper cushion block is provided with one layer of wearing layer, and the top surface of the lower cushion block is provided with one layer of wearing layer.
6. mechanical stop limiter according to claim 2, which is characterized in that further include：
Rotary encoder；
The rotation angle of the motor is set by rotary encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854644.2U CN207770494U (en) | 2017-12-26 | 2017-12-26 | Mechanical stop limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854644.2U CN207770494U (en) | 2017-12-26 | 2017-12-26 | Mechanical stop limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207770494U true CN207770494U (en) | 2018-08-28 |
Family
ID=63224828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721854644.2U Active CN207770494U (en) | 2017-12-26 | 2017-12-26 | Mechanical stop limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207770494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983791A (en) * | 2017-12-26 | 2018-05-04 | 重庆江东机械有限责任公司 | Mechanical stop limiter |
-
2017
- 2017-12-26 CN CN201721854644.2U patent/CN207770494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983791A (en) * | 2017-12-26 | 2018-05-04 | 重庆江东机械有限责任公司 | Mechanical stop limiter |
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