CN114345721B - V-shaped part pin expansion and contraction shaping device - Google Patents
V-shaped part pin expansion and contraction shaping device Download PDFInfo
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- CN114345721B CN114345721B CN202111433890.1A CN202111433890A CN114345721B CN 114345721 B CN114345721 B CN 114345721B CN 202111433890 A CN202111433890 A CN 202111433890A CN 114345721 B CN114345721 B CN 114345721B
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Abstract
The invention belongs to the field of precision machining, and discloses a V-shaped part pin expanding and shrinking shaping device which comprises a shaping plate, a conveyor belt, a shape expanding unit, a shrinking unit and a control part which are horizontally arranged, wherein the shaping plate is provided with a shaping notch; one end of the conveyor belt corresponds to the shaping notch, the shaping unit comprises a horizontally arranged shaping block and a two-dimensional driving assembly, and the shaping block corresponds to the V-shaped opening in the horizontal direction; the two-dimensional driving assembly is used for driving the expansion block to extend into the V-shaped part, the contraction unit comprises a contraction driving assembly and a contraction block, the contraction block is positioned at one side of the shaping gap, the contraction driving assembly is used for driving the contraction block to move, so that the opening size of the shaping gap towards the conveyor belt is changed, and when the contraction block is positioned at the initial position, the opening distance of the shaping gap is smaller than a preset minimum distance; the control part comprises a detection unit, the detection unit comprises a grating ruler, and a reading head of the grating ruler is connected with the shrinking block through a connecting piece.
Description
Technical Field
The invention belongs to the field of precision machining, and particularly relates to a V-shaped part pin expanding and shrinking shaping device.
Background
Under the development trend of intelligent industrialization, the requirements on the processing and measuring precision of small-size parts are increasingly raised
High. In the mass industrial production process, the quality of the product is detected by artificial vision, so that the efficiency is low and the precision is low. Meanwhile, due to individual difference and long-term fatigue work, misjudgment and omission are extremely easy to occur, and the condition is difficult to avoid by strengthening quality supervision anyway.
The V-shaped part is a small part with two part pins, the two part pins respectively form two straight line sections of V, and before the V-shaped part is assembled, the distance size of an opening between the part pins of the V-shaped part is required to be measured to judge whether the V-shaped part meets the technical index. If not, the distance between the openings between the pins needs to be corrected to a predetermined standard size.
The traditional correction mode relies on experienced operators to read human eyes and calculate deviation, manual correction is finally carried out, and the process of correction-measurement-correction needs to be repeated, so that the operation efficiency is low, and the omission factor is difficult to reduce because of long-time continuous manual operation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the V-shaped part pin expanding and shrinking shaping device which can realize automatic expanding and shrinking shaping of the V-shaped part through the grating ruler, thereby greatly improving the operation efficiency and avoiding the occurrence of missed detection.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a V-arrangement part pin expands and contracts shaper for adjust the distance of the free end of two equilong part pins of V-arrangement part, two part pins symmetry equilong, regard the opening that the free end formed of two part pins as V-arrangement opening, interval as V-arrangement opening distance, the minimum of V-arrangement opening distance is predetermined minimum distance, characterized in that includes: the base frame comprises a shaping plate which is horizontally arranged, and the shaping plate is provided with a shaping notch; the conveying belt is arranged on the base frame along the first horizontal direction and is coplanar with the shaping plate, one end of the conveying belt corresponds to the shaping notch, the conveying belt is used for conveying the V-shaped part to the shaping notch, the free ends of the pins of the part are far away from the shaping notch relative to the rest part of the V-shaped part, and the shaping unit comprises a two-dimensional driving assembly arranged on the shaping plate and a horizontally arranged shaping block, and the shaping block is positioned right above the conveying belt and corresponds to the V-shaped opening in the first horizontal direction; the two-dimensional driving assembly is used for driving the shape expanding block to extend into the V-shaped part, the shape shrinking unit comprises a shape shrinking driving assembly and a shape shrinking block which are arranged on the shaping plate, the shape shrinking block is arranged outside the shaping plate and is positioned at one side of the shaping notch along a second horizontal direction, the second horizontal direction is perpendicular to the first horizontal direction, the shape shrinking driving assembly is used for driving the shape shrinking block to move along the second horizontal direction, so that the opening size of the shaping notch towards the conveyor belt is changed, and when the shape shrinking block is positioned at an initial position, the opening distance of the shaping notch along the second horizontal direction is smaller than a preset minimum distance; the control part comprises a processing unit and a detection unit, the processing unit comprises a processor and a memory, the memory is used for storing a processing program, the processor is used for executing the processing program, the memory stores the preset minimum distance in a data form and is used as reference data, the detection unit comprises a shielding sensor and a grating ruler, the shielding sensor is arranged between a conveyor belt and a shaping notch, and a reading head of the grating ruler is connected with a shrinking block.
Preferably, the shaping target of the V-shaped part is that the distance between the V-shaped opening is equal to a preset standard distance, the memory also stores a preset standard distance in the form of data and serves as target data, the processing program comprises a positioning program, a measurement comparison program, an expansion program and a contraction program, when the conveyor belt conveys the V-shaped part to pass through the shielding sensor, the shielding sensor generates a pushing signal, the positioning program controls the two-dimensional driving assembly to drive the expansion block to stretch into the V-shaped part according to the pushing signal and push and match the V-shaped part into the shaping notch, when the V-shaped part enters the shaping notch, the two-part pins move the reading head of the grating ruler through the connecting piece, so that the grating ruler generates a moving amount in the form of data and serves as distance increment data, the measurement comparison program compares the sum of the distance increment data and the reference data with the target data, and controls the two-dimensional driving assembly to drive the expansion block to stretch into the preset expansion distance of the V-shaped part continuously and keep the preset expansion time when the measurement data is smaller than the target data, and then the two-dimensional driving assembly is controlled to stretch into the preset expansion block to the preset standard distance after the two-dimensional driving assembly is controlled to move the two-dimensional driving assembly to the preset expansion time to the preset standard distance, and the two-dimensional driving assembly is controlled to move the two-dimensional driving assembly to the preset expansion time to the preset expansion distance to the preset distance to shrink the preset distance to the position to the front the V-shaped part to the front.
Further, the expansion block is in a rounded cone shape, and in the process that the expansion block stretches into the V-shaped part, the expansion block is in line contact with the ends of the free ends of the pins of the two parts.
Further, the base frame further comprises a top stop block, the top stop block is fixedly arranged on one side of the shaping notch along the second horizontal direction, the top stop block is arranged opposite to the shrinkage block and horizontally corresponds to the shrinkage block, and when the shrinkage block extrudes the V-shaped part, the top stop block is used for stopping the V-shaped part.
Further, the processing program further comprises a reset program, when the expanding program and the contracting program are executed, reset signals are sent out, and the reset program controls the contracting driving assembly to drive the contracting block to return to the initial position according to the reset signals.
Still further, the bed frame still includes the movable door subassembly and accepts the box, and the movable door subassembly includes electric putter and movable door plant, and the movable door plant sets up at the lower surface of shaping board to shelter from the setting to the shaping breach, electric putter is used for removing along the horizontal direction drive movable door plant for the shaping board, accepts the box setting and just under the shaping breach and upper portion opening.
Still further, processing procedure still includes accomodate the procedure, accomodates the procedure and drive the removal door plant and resume initial position after the predetermined blanking time of electric putter drive removal door plant according to reset signal control.
Preferably, the two-dimensional driving assembly comprises a horizontal driving cylinder and a vertical driving cylinder, wherein the horizontal driving cylinder is provided with an output end arranged along a first horizontal direction, the vertical driving cylinder is connected with the output end of the horizontal driving cylinder, the vertical driving cylinder is provided with an output end arranged vertically, and the expanding block is arranged at the output end of the vertical driving cylinder.
Preferably, the shrink-shape driving assembly comprises a shrink-shape linear motor, and the shrink-shape linear motor is used for driving the shrink-shape block to move.
Compared with the prior art, the invention has the beneficial effects that:
1. because the invention comprises a base frame, a conveyor belt, a shape expanding unit, a shape shrinking unit and a control part, the base frame comprises a horizontally arranged shaping plate, and the shaping plate is provided with a shaping notch; one end of the conveying belt corresponds to the shaping notch, the conveying belt is used for conveying the V-shaped part to the shaping notch, the shape expanding unit comprises a horizontally arranged shape expanding block and a two-dimensional driving assembly, and the shape expanding block is positioned right above the conveying belt and corresponds to the V-shaped opening in the horizontal direction; the two-dimensional driving assembly is used for driving the shape expanding block to extend into the V-shaped part, the shape shrinking unit comprises a shape shrinking driving assembly and a shape shrinking block, the shape shrinking block is positioned on one side of the shaping gap, the shape shrinking driving assembly is used for driving the shape shrinking block to move, so that the opening size of the shaping gap towards the conveyor belt is changed, and when the shape shrinking block is positioned at the initial position, the opening distance of the shaping gap along the second horizontal direction is smaller than the preset minimum distance; the control part comprises a detection unit, the detection unit comprises a shielding sensor and a grating ruler, the shielding sensor is arranged between the conveyor belt and the shaping notch, a reading head of the grating ruler is connected with the shrinking block through a connecting piece, when the V-shaped part is conveyed into the shaping notch through the conveyor belt, the V-shaped part is pushed into the shaping notch by the expanding block when passing through the shielding sensor, then the actual measurement size of the V-shaped opening of the V-shaped part is obtained by combining the fluctuation amount of the grating ruler and the control part, and the V-shaped part is shaped through the expanding unit or the shrinking unit.
Drawings
FIG. 1 is a schematic view of a V-shaped part of an embodiment of the present invention;
FIG. 2 is a schematic diagram I of a V-shaped part pin expansion and contraction shaping device according to an embodiment of the present invention;
FIG. 3 is a second schematic diagram of a device for expanding and shrinking pins of a V-shaped part according to an embodiment of the present invention;
FIG. 4 is a third schematic diagram of a V-shaped part pin expansion and contraction shaping device according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of portion B of FIG. 2;
fig. 6 is an enlarged schematic view of a portion C in fig. 4.
In the figure: A. v-shaped parts, A1, part pins, 100, V-shaped part pins expansion and contraction shaping devices, 10, a base frame, D1, a first horizontal direction, D2, a second horizontal direction, 11, shaping plates, 111, shaping notches, 12, a top stop block, 13, a movable door component, 131, an electric push rod, 132, a movable door plate, 14, a bearing box, 20, a conveyor belt, 30, an expansion unit, 31, an expansion block, 32, a two-dimensional driving component, 321, a horizontal driving cylinder, 322, a vertical driving cylinder, 40, a contraction unit, 41, a contraction block, 42, a contraction driving component, 421, a contraction linear motor, 422, a driving connecting rod, 51, a shielding sensor, 52 and a grating ruler.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects achieved by the present invention easy to understand, the following embodiments specifically describe the V-shaped part pin expansion and shaping device of the present invention with reference to the accompanying drawings, and it should be noted that the descriptions of these embodiments are used to help understand the present invention, but do not limit the present invention.
As shown in fig. 1, the V-shaped part pin expansion and contraction shaping device in this embodiment is configured to adjust the distances between the free ends of two equal-length part pins A1 of a V-shaped part a, where the two part pins A1 are equal in length symmetrically, the openings formed by the free ends of the two part pins A1 are used as V-shaped openings, the space is used as the distance between the V-shaped openings, the minimum value of the V-shaped opening distance is a predetermined minimum distance, and the shaping target of the V-shaped part a is that the V-shaped opening distance is equal to a predetermined standard distance.
As shown in fig. 2 to 4, the V-shaped part pin expanding and shrinking device 100 includes a base frame 10, a conveyor belt 20, an expanding unit 30, and a shrinking unit 40.
The base frame 10 includes a shaping plate 11, a top stop 12, a sliding door assembly 13, and a receiver box 14.
As shown in fig. 5, the shaping plate 11 is horizontally disposed, the shaping plate 11 has a shaping notch 111, the stopper 12 is disposed on one side of the shaping notch 111, and the receiving box 14 is disposed right below the shaping notch 111 and has an upper opening, specifically, the receiving box 14 is for receiving the V-shaped part a falling from the shaping notch 111.
As shown in fig. 6, the movable door assembly 13 includes an electric push rod 131 and a movable door plate 132, the movable door plate 132 is disposed on the lower surface of the shaping plate 11 and is configured to block the shaping notch 111, the electric push rod 131 is configured to drive the movable door plate 132 to move in a horizontal direction relative to the shaping plate 11, specifically, when the V-shaped part a is disposed in the shaping notch 111, the movable door plate 132 forms a support for the V-shaped part a, and when the movable door plate 132 moves, the V-shaped part a falls into the receiving box 14 from the shaping notch.
The conveyor belt 20 is disposed on the base frame 10 in the first horizontal direction D1 and coplanar with the shaping plate 11, and one end of the conveyor belt 20 corresponds to the shaping gap 111, the conveyor belt 20 is for conveying the V-shaped part a toward the shaping gap 111, and the free end of the part pin A1 is distant from the shaping gap 111 with respect to the rest of the V-shaped part.
The spreading unit 30 comprises a spreading block 31 and a two-dimensional drive assembly 32.
The spreading block 31 is horizontally arranged, the spreading block 31 is located right above the conveyor belt 20 and corresponds to the V-shaped opening in the first horizontal direction D1, and the two-dimensional driving assembly 32 is used for driving the spreading block 31 to extend into the V-shaped part a, specifically, the spreading block 31 is in a rounded cone shape.
A two-dimensional drive assembly 32 is provided on the shaping plate 11, the two-dimensional drive assembly 32 comprising a horizontal drive cylinder 321 and a vertical drive cylinder 322.
The horizontal driving cylinder 321 has an output end disposed along the first horizontal direction D1, the vertical driving cylinder 322 is connected to the output end of the horizontal driving cylinder 321, and the vertical driving cylinder 322 has an output end disposed vertically, and the expanding block 31 is disposed at the output end of the vertical driving cylinder 322.
The reduction unit 40 includes a reduction block 41 and a reduction driving assembly 42.
The shrinking block 41 is disposed on the upper surface of the shaping plate 11 and is located at one side of the shaping notch 111 along a second horizontal direction D2, the second horizontal direction D2 is perpendicular to the first horizontal direction D1, the shrinking driving component 42 is used for driving the shrinking block 41 to move along the second horizontal direction D2, so that the opening size of the shaping notch 111 towards the conveyor belt 20 changes, when the shrinking block 41 is located at the initial position, the opening distance of the shaping notch 111 along the second horizontal direction D2 is smaller than a predetermined minimum distance, specifically, the top stop block 12 and the shrinking block 41 are fixedly and oppositely disposed along the second horizontal direction D2 and horizontally correspond, and two part pins A1 vertically correspond to one side surface of the top stop block 12 and one side surface of the shrinking block 41 respectively.
The shrink-shape driving assembly 42 is disposed on the shaping plate 11, and the shrink-shape driving assembly 42 includes a shrink-shape linear motor 421 and a driving connection rod 422.
The shrinking linear motor 421 is used for driving the shrinking block 41 to move along the second horizontal direction D, that is, when the V-shaped part a stretches into the shaping notch 111, the shrinking linear motor 421 drives the driving connection rod 422 to drive the shrinking block 41 to squeeze the V-shaped part, and the top stop block 12 stops the V-shaped part a.
In this embodiment, the driving connection rod 422 has a "U" shape and bypasses the surface of the contracted linear motor 421.
The control section (not shown in the drawings) includes a processing unit including a processor for storing a processing program and a memory for executing the processing program, and a detection unit.
The detection unit includes a occlusion sensor 51 and a grating scale 52.
The shielding sensor 51 is arranged between the conveyor belt 20 and the shaping notch 111, and the reading head of the grating ruler 52 is connected with the shrinking block 41 through the driving connecting rod 422.
The memory stores a predetermined standard distance in the form of data as target data, and a predetermined minimum distance in the form of data as reference data.
The processing program comprises a positioning program, a measurement comparison program, a shape expanding program, a shape shrinking program, a resetting program and a storage program.
When the conveyor belt 20 conveys the V-shaped part A to pass the shielding sensor 51, the shielding sensor 51 generates a pushing signal, and the positioning program controls the two-dimensional driving assembly 32 to drive the expanding block 31 to extend into the V-shaped part A according to the pushing signal and pushes and fits the V-shaped part A into the shaping notch 111.
When the V-shaped part a enters the shaping notch 111, the two part pins A1 move the reading head of the grating ruler 52 through the shrinking block 41 and the driving connecting rod 422 serving as a connecting piece, so that the reading head of the grating ruler 52 moves, the grating ruler 52 collects the movement amount of the driving connecting rod 422 reflected by the movement of the reading head along the second horizontal direction D2, and the movement amount in a data form is generated and used as distance increment data.
The measurement comparison program compares the sum of the distance increment data and the reference data as measurement data with the target data.
When the measured data is smaller than the target data, the two-dimensional driving assembly 32 is controlled by the shape expanding program to drive the shape expanding block 31 to extend into the V-shaped part A for a preset shape expanding distance and keep the preset shape expanding time, so that the V-shaped opening is expanded to a preset standard distance, specifically, in the process that the shape expanding block 31 extends into the V-shaped part A, the shape expanding block 31 is in line contact with the ends of the free ends of the two part pins A1, and the V-shaped opening is continuously expanded along with the fact that the shape expanding block 31 extends into the V-shaped part A continuously.
When the measured data is greater than the target data, the shrink-shape program controls the two-dimensional driving assembly 32 to drive the expansion block 31 to return to the initial position, and then controls the shrink-shape linear motor 421 to drive the shrink-shape block 41 to move along the second horizontal direction D2 for a predetermined shrink-shape distance and keep a predetermined shrink-shape time, so as to reduce the V-shape opening pressure to a predetermined standard distance, specifically, when the shrink-shape block 41 pushes the driving connection rod 422 to enable the grating ruler 52 to generate distance increment data, the shrink-shape linear motor 421 is in an unpowered state, that is, the driving connection rod 422 can freely move relative to the shrink-shape linear motor 421, and when the shrink-shape program is executed, the shrink-shape linear motor 421 is powered on, so that the shrink-shape linear motor 421 is in driving coupling with the driving connection rod 422.
When the expansion program and the contraction program are executed, a reset signal is sent out, and the reset program controls the contraction driving component 42 to drive the contraction block 41 to restore to the initial position according to the reset signal.
The storage program controls the electric push rod 131 to drive the movable door plate 132 to return to the initial position after the preset blanking time according to the reset signal, i.e. the storage program and the reset program are executed simultaneously.
The above embodiments are preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications or variations which may be made by those skilled in the art without the inventive effort within the scope of the appended claims remain within the scope of this patent.
Claims (9)
1. The utility model provides a V-arrangement part pin expands and contracts shaper for adjust the distance of the free end of two equilong part pins of V-arrangement part, two the part pin symmetry is equilong, regard the opening that the free end formed of two part pins as V-arrangement opening, interval as V-arrangement opening distance, and the minimum of this V-arrangement opening distance is predetermined minimum distance, characterized in that includes:
the base frame comprises a shaping plate which is horizontally arranged and is provided with a shaping notch;
a conveyor belt disposed on the base frame in a first horizontal direction and coplanar with the shaping plate, and having one end corresponding to the shaping gap, the conveyor belt being configured to convey the V-shaped part toward the shaping gap, and free ends of the part pins being remote from the shaping gap with respect to the remainder of the V-shaped part,
the shape expanding unit comprises a two-dimensional driving assembly arranged on the shaping plate and a horizontally arranged shape expanding block, wherein the shape expanding block is positioned right above the conveyor belt and corresponds to the V-shaped opening in the first horizontal direction; the two-dimensional driving assembly is used for driving the expanding block to extend into the V-shaped part,
the shaping unit comprises a shaping driving assembly and a shaping block, wherein the shaping driving assembly and the shaping block are arranged on the shaping plate, the shaping block is arranged outside the shaping plate and is positioned on one side of the shaping notch along a second horizontal direction, the second horizontal direction is perpendicular to the first horizontal direction, the shaping driving assembly is used for driving the shaping block to move along the second horizontal direction, so that the opening size of the shaping notch towards the conveyor belt is changed, and when the shaping block is positioned at an initial position, the opening distance of the shaping notch along the second horizontal direction is smaller than the preset minimum distance;
a control section including a processing unit including a processor for executing a processing program and a memory for storing the processing program,
the storage stores the preset minimum distance in a data form and serves as reference data, the detection unit comprises a shielding sensor and a grating ruler, the shielding sensor is arranged between the conveyor belt and the shaping notch, and a reading head of the grating ruler is connected with the shrinking block.
2. The V-shaped part pin expansion and contraction shaping device according to claim 1, wherein:
wherein the shaping target of the V-shaped part is to make the V-shaped opening distance equal to a preset standard distance,
the memory also stores the predetermined standard distance in the form of data, and as target data,
the processing program comprises an in-place program, a measurement comparison program, an expanding program and a shrinking program,
when the V-shaped part is conveyed by the conveyor belt to pass through the shielding sensor, the shielding sensor generates a pushing signal, the positioning program controls the two-dimensional driving assembly to drive the expanding block to extend into the V-shaped part according to the pushing signal and push and match the V-shaped part into the shaping notch,
when the V-shaped part enters the shaping notch, the two part pins move the reading head of the grating ruler through the connecting piece, so that the grating ruler generates a data-form moving amount which is used as distance increment data,
the measurement comparison program compares the sum of the distance increment data and the reference data as measurement data with the target data,
when the measured data is smaller than the target data, the shape expanding program controls the two-dimensional driving assembly to drive the shape expanding block to extend into the V-shaped part for a preset shape expanding distance and keep a preset shape expanding time, so that the V-shaped opening is expanded to the preset standard distance,
when the measured data is larger than the target data, the shape shrinking program controls the two-dimensional driving assembly to drive the shape expanding block to return to the initial position, and then controls the shape shrinking driving assembly to drive the shape shrinking block to move a preset shape shrinking distance along the second horizontal direction and keep preset shape shrinking time, so that the V-shaped opening is pressed to be smaller than the preset standard distance.
3. The V-shaped part pin expansion and contraction shaping device according to claim 2, wherein:
the expansion block is in a round angle cone shape, and in the process that the expansion block stretches into the V-shaped part, the expansion block is in line contact with the ends of the free ends of the pins of the two parts.
4. The V-shaped part pin expansion and contraction shaping device according to claim 2, wherein:
wherein the base frame further comprises a top stop block which is fixedly arranged at one side of the shaping notch along the second horizontal direction, the top stop block is arranged opposite to the shrinking block and horizontally corresponds to the shrinking block,
when the shrinkage block extrudes the V-shaped part, the jacking block jacks the V-shaped part.
5. The V-shaped part pin expansion and contraction shaping device according to claim 2, wherein:
wherein the processing program further comprises a reset program,
and the expanding program and the shrinking program send out reset signals when the execution of the expanding program and the shrinking program is finished, and the resetting program controls the shrinking driving assembly to drive the shrinking block to restore to the initial position according to the reset signals.
6. The V-piece pin expansion and contraction shaping device according to claim 5, wherein:
wherein the base frame also comprises a movable door component and a bearing box,
the movable door component comprises an electric push rod and a movable door plate, the movable door plate is arranged on the lower surface of the shaping plate and is used for shielding the shaping notch, the electric push rod is used for driving the movable door plate to move along the horizontal direction relative to the shaping plate,
the bearing box is arranged right below the shaping notch and is provided with an upper opening.
7. The V-piece pin expansion and contraction shaping device according to claim 6, wherein:
wherein the processing program further comprises a storage program,
and the storage program controls the electric push rod to drive the movable door plate to return to the initial position after the preset blanking time is reserved according to the reset signal.
8. The V-shaped part pin expansion and contraction shaping device according to claim 1, wherein:
wherein the two-dimensional driving assembly comprises a horizontal driving cylinder and a vertical driving cylinder,
the horizontal driving cylinder is provided with an output end arranged along the first horizontal direction, the vertical driving cylinder is connected with the output end of the horizontal driving cylinder, the vertical driving cylinder is provided with an output end arranged vertically, and the expanding block is arranged at the output end of the vertical driving cylinder.
9. The V-shaped part pin expansion and contraction shaping device according to claim 1, wherein:
the shrinking driving assembly comprises a shrinking linear motor which is used for driving the shrinking block to move.
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