CN114102476A - Four-side centering and positioning mechanism and centering and positioning method thereof - Google Patents
Four-side centering and positioning mechanism and centering and positioning method thereof Download PDFInfo
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- CN114102476A CN114102476A CN202111501432.7A CN202111501432A CN114102476A CN 114102476 A CN114102476 A CN 114102476A CN 202111501432 A CN202111501432 A CN 202111501432A CN 114102476 A CN114102476 A CN 114102476A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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Abstract
The application discloses four sides centering positioning mechanism and centering positioning method thereof, four sides centering positioning mechanism includes: the tool mounting base comprises an upper base plate, a lower base plate and four supporting shafts between the upper base plate and the lower base plate, the upper surface of the upper base plate is provided with a groined sliding groove, the groined sliding groove comprises an X-direction sliding groove and a Y-direction sliding groove which are vertically communicated with each other, and two ends of each X-direction sliding groove and each Y-direction sliding groove are respectively provided with a positioning hole; the pneumatic element assembly comprises four cylinders, each cylinder drives two ejector rods, and each ejector rod is positioned by a positioning hole of the upper bottom plate; the positioning pushing assembly is arranged on the upper base plate and comprises eight positioning clamps positioned in the groined type sliding groove, the front end of each positioning clamp is provided with a pushing block, the rear end of each positioning clamp is provided with a guide wheel, the force in the Z direction synchronously output by the four cylinders is converted into the force in the X-Y direction through the guide wheels and transmitted to the positioning clamps, the pushing blocks on the positioning clamps push products positioned in the central area of the upper base plate in the positive and negative X-Y directions, and the simultaneous positioning and centering of the positive and negative X-Y axes on the central point of the product are realized.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a four-side centering and positioning mechanism and a centering and positioning method thereof.
Background
There are many devices in an automated production line that require centering and positioning systems, such as automated dispensing systems, bonding and racking systems, and the like. In the automatic production process, most positioning devices are pushed to position along the boundary of a single direction and a single dimension; the positioning in the X-axis direction and the positioning in the Y-axis direction are finished in sequence.
At present, the traditional X-Y axis centering and positioning equipment can meet the requirements of most products, has high upper limit of precision, and is suitable for most of known products produced automatically. However, the conventional positioning and centering system has the following disadvantages: (1) in the action of pushing and positioning in the X or Y axis in a single direction, the condition that the center origin of a product is immovable cannot be met; (2) when the boundary is not unique or the boundary of more than one product needs to be centered and positioned at the same time, the traditional equipment cannot carry out the centering and the positioning; (3) the pushing action directly driven by a pneumatic or electric element has small controllable space of precision and force in a short-distance operation process, and is easy to damage soft or fragile products.
Disclosure of Invention
The invention aims to provide a four-side centering and positioning mechanism and a centering and positioning method thereof, so as to solve the problems in the technical background.
In order to achieve the purpose, the invention adopts the following technical scheme:
the four-side centering and positioning mechanism and the centering and positioning method thereof are preferably applied to the axial symmetry materials which need multi-level positioning and are not on a single boundary, namely the upper part and the lower part of the product need to be centered and positioned simultaneously.
The application provides in a first aspect a four sides centering positioning mechanism, includes:
the tool mounting base comprises an upper base plate, a lower base plate and four support shafts arranged between the upper base plate and the lower base plate; the upper surface of the upper bottom plate is provided with a groined sliding groove, the groined sliding groove comprises an X-direction sliding groove and a Y-direction sliding groove which are mutually and vertically communicated, and two ends of each X-direction sliding groove and each Y-direction sliding groove are respectively provided with a positioning hole;
the pneumatic element assembly is arranged between the upper bottom plate and the lower bottom plate and comprises a first pneumatic pushing unit and a second pneumatic pushing unit; the first pneumatic pushing unit comprises two X-direction pushing support rods which are arranged in parallel along the X direction, and the bottom of each X-direction pushing support rod is fixedly connected with a first air cylinder and driven by the first air cylinder to move up and down; the second pneumatic pushing unit comprises two Y-direction pushing support rods which are positioned above the two X-direction pushing support rods and are arranged in parallel along the Y direction, and the bottom of each Y-direction pushing support rod is fixedly connected with a second air cylinder and driven by the second air cylinder to move up and down; two ends of each X-direction pushing support rod and Y-direction pushing support rod are respectively provided with a Z-direction push rod, the push rods penetrate through the positioning holes from bottom to top, and the top end of each push rod is provided with an inclined surface; the two Y-direction pushing support rods are positioned between the pushing rods of the two X-direction pushing support rods; the two first cylinders are fixedly arranged on the lower bottom plate, the two second cylinders are fixedly arranged on the lower bottom plate through a mounting seat, and the mounting seat is arranged between the two first cylinders;
the location promotes the subassembly, locates on the upper plate, including eight locating clips of sliding connection in groined type spout, with eight ejector pin one-to-one, every locating clip is equipped with on the front end at upper plate center and promotes the piece, respectively promotes the constant head tank that the piece encloses a rectangle, and the tail end that the upper plate center was kept away from to every locating clip is equipped with the leading wheel, and the leading wheel is towards its inclined plane of the ejector pin that corresponds, the locating clip is followed under ejector pin's promotion groined type spout to the central region of upper plate slides.
Preferably, the two first air cylinders and the two second air cylinders work in a linkage mode, and the output is synchronous.
Preferably, a shaft sleeve is fixedly arranged in each positioning hole, the push rod penetrates through the shaft sleeve in a sliding mode, the diameter of the shaft sleeve is smaller than that of the positioning hole, the outer peripheral surface of the upper end of the shaft sleeve protrudes outwards in the radial direction to form an annular blocking edge, the annular blocking edge blocks the outer side of the positioning hole, and the top end, with an inclined plane, of the push rod is exposed out of the annular blocking edge.
Preferably, the height of the ejector rod of the first pneumatic pushing unit is greater than that of the ejector rod of the second pneumatic pushing unit, and the upper end surfaces of all the ejector rods are on the same horizontal plane.
Preferably, the height of each positioning clip is not greater than the height of the groined slide groove.
Preferably, the locating clip is a sliding block with an inclined plane on one side, a groove is formed in the inclined plane, the guide wheel is rotatably connected in the groove, and the wheel surface of the guide wheel protrudes out of the inclined plane and is located at the edge of the locating hole.
Preferably, every promote the piece and exceed the upper surface of locating clip, each it is provided with the product carrier in the constant head tank of the rectangle that promotes the piece and enclose, the product carrier includes two rectangular blocks, and two rectangular blocks inlay respectively and locate the central lug of groined type spout is along Y to adjacent two recesses in, the upper surface parallel and level of two rectangular blocks, just the upper surface of rectangular block is not less than the upper surface of the central lug of groined type spout.
Preferably, the pushing block comprises a main body part longitudinally mounted on the upper surface of the positioning clamp, and an extension part extending from the upper surface of the main body part along the direction perpendicular to the moving direction of the positioning clamp, and the extension parts of two adjacent positioning clamps sliding in the same direction are oppositely arranged and are stacked and distributed in the Z direction.
More preferably, the extending parts of two adjacent positioning clips sliding in the same direction have a gap between each other in the Z direction.
More preferably, the extensions of two adjacent positioning clips sliding in the same direction fit together with each other in the Z direction.
Preferably, the positioning pushing assembly further comprises four pressing blocks, and the four pressing blocks are arranged on the upper bottom plate and enclose a rectangle; wherein, every briquetting is located the top of two positioning clamps of equidirectional gliding, and two sliding tray that hold the leading wheel rotation and pass through are seted up to the bottom of every briquetting.
More preferably, the four pressing blocks have the same structure and are all rectangular strip-shaped structures.
The application provides a centering and positioning method of a four-side centering and positioning mechanism in a second aspect, comprising the following steps:
placing the product in a rectangular positioning groove surrounded by eight pushing blocks in the positioning pushing assembly;
the two first air cylinders and the two second air cylinders synchronously run to drive the eight push rods to longitudinally move upwards in the positioning holes of the upper base plate;
the inclined planes at the top ends of the eight push rods are simultaneously abutted against the wheel surfaces of the guide wheels at the tail ends of the corresponding positioning clamps, each inclined plane pushes the corresponding guide wheel to push each positioning clamp to be synchronously drawn close to the central area of the upper base plate along the groined-shaped sliding groove, and the pushing block arranged at the front end of each positioning clamp pushes a product to realize positioning and centering of the product X, Y.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) the equipment realizes simultaneous positioning and centering of the central point of the product in four directions of the positive X-Y axis and the negative X-Y axis, and realizes center alignment under the condition of ensuring positioning precision, so that the equipment can be suitable for positioning and centering of products with different boundary sizes and tolerances.
(2) The driving direction of the cylinder of the equipment is set to be output in the Z-axis direction, the increase of the product size and the stroke of the cylinder cannot be accumulated, the space occupation under the same height is reduced, and the space utilization rate is greatly improved when a larger product is replaced or a cylinder with larger power is used.
(3) The device uses the guide wheel to push the cylinder to rotate from the Z axis to the X-Y axis, so that the precision is improved, and meanwhile, the moving stroke of the positioning clamp is not controlled by the cylinder any more but is within a preset moving range.
(4) The equipment uses the pushing block with adjustable size and height to push the materials of different levels of the product, can realize synchronous positioning and centering of the materials with different sizes and tolerances, and is suitable for axisymmetric products with various shapes in a certain size.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a product corresponding to the four-side centering and positioning mechanism of the present application;
FIG. 2 is a schematic view of the overall structure of the four-sided centering mechanism of the present application;
FIG. 3 is a schematic structural view of a tooling mounting base;
FIG. 4 is a schematic view of the upper surface of the upper bottom surface of the tooling mounting base;
FIG. 5 is a schematic structural view of a pneumatic element assembly;
FIG. 6 is a schematic view of the pneumatic element assembly from another perspective;
FIG. 7 is a schematic structural view of a first pneumatic pushing unit in the pneumatic element assembly;
FIG. 8 is a schematic structural view of a second pneumatic pushing unit in the pneumatic element assembly;
FIG. 9 is a schematic view of the positioning pushing assembly;
FIG. 10 is a view showing a state of use (including a product) of the positioning pushing assembly;
FIG. 11 is a view showing a state of use (without a product) of the positioning pushing assembly;
FIG. 12 is a schematic view of the positioning clip;
FIG. 13 is a schematic view of the structure of the ejector pin abutting against the positioning clip;
FIG. 14 is a view of the pneumatic element assembly and eight alignment clips in use.
Illustration of the drawings:
1. producing a product; 101. the upper layer of the product; 102. a lower layer of the product;
2. a tool mounting base; 201. a lower base plate; 202. a support shaft; 203. an upper base plate; 204. positioning holes;
3. a pneumatic element assembly; 31. a first pneumatic jacking unit; 3101. a support rod is pushed in the X direction; 3102. a first cylinder A; 3103. a first cylinder B; 3104; a first ejector pin; 3105; a first bushing; 32. a second pneumatic jacking unit; 3201. a supporting rod is pushed in the Y direction; 3202. a second cylinder A; 3203. a second cylinder B; 3204. a second ejector pin; 3205. a second shaft sleeve; 3206. a mounting seat;
4. positioning the pushing assembly; 41. positioning clips; 4101. a guide wheel; 4102. an inclined surface; 42. a product carrier; 43. briquetting; 4301. a sliding groove; 44. and (4) pushing the block.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, it being understood that the data so used may be interchanged under appropriate circumstances. Furthermore, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example (b):
fig. 1 is a schematic structural diagram of a product corresponding to the four-side centering and positioning mechanism of the present application.
As shown in fig. 1, the product 1 for centering is divided into an upper part and a lower part, namely a product upper layer 101 and a product lower layer 102. Because the requirements of the production process and the application direction are different, the tolerance of the upper part and the lower part of the product 1 in the X direction and the Y direction is obviously different, and the product 1 needs to be centered and positioned in the X-Y axis double-shaft direction. Therefore, the four-side centering and positioning mechanism uses the double-layer centering and positioning with adjustable size, the positioning clamp is connected by the pushing block with adjustable position, and the two layers of four directions push simultaneously to perform centering and positioning. In fig. 1, eight arrows represent the directions and positions of the eight positioning clips and the pushing block, respectively.
Fig. 2 is a schematic view of the overall structure of a four-side centering and positioning mechanism. As shown in fig. 2, the four-side centering and positioning mechanism of the present application includes a tool mounting base 2, a pneumatic element assembly 3 and a positioning pushing assembly 4. Which are described separately below.
Fig. 3 and 4 are schematic structural views of the tool mounting base 2.
As shown in fig. 3, the tool mounting base 2 includes an upper plate 203, a lower plate 201, and four support shafts 202 disposed between the upper plate 203 and the lower plate 201. The lower bottom plate 201 is mainly used for mounting the pneumatic element assembly 3 and the supporting shaft and is connected and fixed with the integral work station; upper plate 203 is used to position the ejector rods, positioning push assemblies 4, and product carriers 42, and support shafts 202 are used to connect and secure upper plate 203 to lower plate 201. As shown in fig. 4, a groined-shaped sliding groove is formed in the upper surface of the upper base plate 203, the groined-shaped sliding groove includes two X-direction sliding grooves and two Y-direction sliding grooves which are vertically communicated with each other, and a positioning hole 204 is formed at each of two ends of each of the X-direction sliding grooves and the Y-direction sliding grooves.
Fig. 5 to 8 are schematic structural views of the pneumatic element assembly 3.
As shown in fig. 5 and 6, the pneumatic element assembly 3 is disposed between the upper plate 203 and the lower plate 201, and is composed of four independent cylinders, and the four cylinders work in a linkage manner and output is synchronous. Each air cylinder is provided with two ejector rods for power output in one direction of positive and negative X-Y axes, and each ejector rod is positioned by a positioning hole 204 on the upper bottom plate 203.
Specifically, the pneumatic element assembly 3 comprises a first pneumatic jacking unit 31 and a second pneumatic jacking unit 32.
As shown in fig. 7, the first pneumatic pushing unit 31 includes two X-direction pushing support rods 3101 arranged in parallel along the X-direction, and a first cylinder (a 3102 and a B3103, respectively) is fixedly connected to the bottom of each X-direction pushing support rod 3101 and is driven by the first cylinder to move up and down. The two first cylinders are fixedly arranged on the lower bottom plate 201.
As shown in fig. 8, the second pneumatic pushing unit 32 includes two Y-direction pushing support rods 3201 located above the two X-direction pushing support rods 3101 and arranged in parallel along the Y-direction, and a second cylinder (a second cylinder a3202 and a second cylinder B3203, respectively) is fixedly connected to the bottom of each Y-direction pushing support rod 3201 and driven by the second cylinder to move up and down. The two second cylinders are fixedly disposed on the lower plate 201 through a mounting seat 3206, and the mounting seat 3206 is located between the two first cylinders. The two second cylinders are raised in the installation position by the mounting block 3206, and interference between the cylinders in the two directions X, Y can be prevented.
Two ends of each of the X-direction pushing support rod 3101 and the Y-direction pushing support rod 3201 are respectively provided with a Z-direction pushing rod, wherein the pushing rods at the two ends of the X-direction pushing support rod 3101 are first pushing rods 3104, the pushing rods at the two ends of the Y-direction pushing support rod 3201 are second pushing rods 3204, the height of the first pushing rod 3104 is greater than that of the second pushing rod 3204, and the upper end surfaces of all the pushing rods are on the same horizontal plane. The ejector rods penetrate through the positioning holes 204 from bottom to top, and an inclined plane is arranged at the top end of each ejector rod; the two Y-direction pushing support rods 3201 are located between the four first pushing rods 3104. Each positioning hole 204 is also fixedly provided with a shaft sleeve, the ejector rod penetrates through the shaft sleeve in a sliding mode, and the shaft sleeve has a guiding effect on the ejector rod. The diameter of the shaft sleeve is smaller than that of the positioning hole 204, the outer peripheral surface of the upper end of the shaft sleeve protrudes outwards in the radial direction to form an annular blocking edge, the annular blocking edge blocks the outer side of the positioning hole 204, and the top end of the pushing rod with the inclined plane is exposed out of the annular blocking edge. The shaft sleeves through which all the first ejector rods 3104 penetrate are first shaft sleeves 3105, the shaft sleeves through which all the second ejector rods 3204 penetrate are second shaft sleeves 3205, and the length of the first shaft sleeves 3105 is greater than that of the second shaft sleeves 3205.
Fig. 9 is a schematic structural view of the positioning pushing assembly 4. The positioning pushing assembly 4 is driven by the air cylinder to move along the positive and negative directions of the X-Y axis to push the product 1 to realize positioning and centering. In this case, the product 1 generally corresponds to a non-single-boundary axially symmetric material requiring multi-level positioning, i.e. the upper and lower parts of such a product 1 need to be centered at the same time.
As shown in fig. 9, the positioning pushing assembly 4 is disposed on the upper plate 203, and includes eight positioning clips 41 slidably connected in the groined sliding groove and a product carrier 42 disposed on the upper plate 203.
Specifically, as shown in fig. 10 to 14, eight positioning clips 41 correspond to eight knock-out pins one by one. An independent pushing block 44 is arranged at the front end of each positioning clip 41 facing the central area of the upper bottom plate 203, a rectangular positioning groove is defined by each pushing block 44, the positioning groove is used for placing the product 1, and the positioning clips 41 are in contact with the product 1 through the pushing blocks 44. The tail end of each positioning clip 41 far away from the central area of the upper bottom plate 203 is provided with a guide wheel 4101, the axis of the guide wheel 4101 is perpendicular to the axis of the ejector rod, the guide wheel 4101 faces to the inclined surface of the corresponding ejector rod, the guide wheel 4101 is used for converting the force output by the air cylinder in the Z-axis direction into the force in the X-Y axis direction, and the positioning clip 41 slides to the central area of the upper bottom plate 203 along the groined sliding groove under the pushing of the ejector rod.
Fig. 13 is a schematic structural view of the positioning clip 41. The positioning clip 41 is a slider with an inclined surface 4102 on one side, a groove is arranged on the inclined surface 4102, the guide wheel 4101 is rotatably connected in the groove, and the wheel surface of the guide wheel 4101 protrudes out of the inclined surface 4102 and is located at the edge of the positioning hole 204. The height of each positioning clip 41 is not more than that of the groined slide groove.
Each pushing block 44 is higher than the upper surface of the positioning clamp 41, a product carrier 42 is arranged in a rectangular positioning groove surrounded by each pushing block 44, and the product carrier 42 is used for positioning a lower layer of product materials. Product carrier 42 includes two rectangular blocks, and two rectangular blocks inlay respectively and locate the central lug of groined type spout is along Y to adjacent two recesses in (refer to fig. 9), the upper surface parallel and level of two rectangular blocks, just the upper surface of rectangular block is not less than the upper surface of the central lug of groined type spout.
The pushing block 44 includes a main body portion longitudinally mounted on the upper surface of the positioning clip 41, and an extension portion extending from the upper surface of the main body portion along a direction perpendicular to the moving direction of the positioning clip 41, and the extension portions of two adjacent positioning clips 41 sliding in the same direction are oppositely disposed and stacked in the Z direction. The extending portions of two adjacent positioning clips 41 sliding in the same direction may have a gap in the Z direction, or may be attached to each other in the Z direction. The pushing block 44 can be changed in design according to the size change of the product 1, and the two pushing blocks 44 in one of the positive and negative X-Y directions are respectively responsible for positioning the two materials on the upper layer and the lower layer.
In a preferred embodiment, the positioning and pushing assembly 4 further includes four pressing blocks 43 (see fig. 9), and the four pressing blocks 43 have the same structure and are all rectangular strip-shaped structures. The four pressing blocks 43 are arranged on the upper bottom plate 203 and form a rectangle. Each pressing block 43 is located above two positioning clamps 41 which slide in the same direction, and the bottom of each pressing block 43 is provided with two sliding grooves 4301 which accommodate the guide wheels 4101 to rotate through. In this application, eight locating clips 41 are respectively located the groined type spout of upper plate 203, and are fixed by four briquetting 43 that have sliding tray 4301, can guarantee that the relative height of each locating clip 41 is unanimous, and the slip direction does not have the deviation.
The above-mentioned four sides centering positioning mechanism's of this application centering positioning process specifically includes:
step 2, the two first air cylinders and the two second air cylinders synchronously run to drive the eight push rods to longitudinally move upwards in the positioning holes 204 of the upper bottom plate 203;
and 3, the inclined surfaces at the top ends of the eight ejector rods simultaneously abut against the wheel surfaces of the guide wheels 4101 at the tail ends of the corresponding positioning clamps 41, each inclined surface pushes the corresponding guide wheel 4101 so as to push each positioning clamp 41 to synchronously approach to the central area of the upper base plate 203 along the groined-shaped sliding groove, and the pushing block 44 arranged at the front end of each positioning clamp 41 pushes the product 1, so that the product 1X, Y is positioned and centered.
In the above, the four cylinders operate synchronously, so that the eight positioning clamps 41 in four directions move synchronously, and the relative displacement difference is kept to be zero.
To sum up, the four-side centering and positioning mechanism realizes simultaneous positioning and centering of four directions of positive and negative X-Y axes to the central point of a product, and realizes center alignment under the condition of ensuring positioning precision, so that the four-side centering and positioning mechanism can adapt to product positioning and centering of different boundary sizes and tolerances. In this application, cylinder drive direction sets up to Z axle direction output, and the increase of product size and cylinder stroke can not be accumulated, has reduced the space under the same height and has taken up, when changing great product or using more powerful cylinder, and the space utilization improves greatly. According to the positioning clamp, the guide wheel is used for pushing the air cylinder to rotate from the Z axis to the X-Y axis, so that the precision is improved, and meanwhile, the moving stroke of the positioning clamp is not controlled by the air cylinder any more but is within a preset moving range. This application uses promotion piece of adjustable size and height to promote the material of the different levels of product, can realize the synchronous positioning centering of the material of equidimension and tolerance not, and is applicable to the axisymmetrical product of various shapes in certain size.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (10)
1. A four-side centering and positioning mechanism, comprising:
the tool mounting base comprises an upper base plate, a lower base plate and four support shafts arranged between the upper base plate and the lower base plate; the upper surface of the upper bottom plate is provided with a groined sliding groove, the groined sliding groove comprises an X-direction sliding groove and a Y-direction sliding groove which are mutually and vertically communicated, and two ends of each X-direction sliding groove and each Y-direction sliding groove are respectively provided with a positioning hole;
the pneumatic element assembly is arranged between the upper bottom plate and the lower bottom plate and comprises a first pneumatic pushing unit and a second pneumatic pushing unit; the first pneumatic pushing unit comprises two X-direction pushing support rods which are arranged in parallel along the X direction, and the bottom of each X-direction pushing support rod is fixedly connected with a first air cylinder and driven by the first air cylinder to move up and down; the second pneumatic pushing unit comprises two Y-direction pushing support rods which are positioned above the two X-direction pushing support rods and are arranged in parallel along the Y direction, and the bottom of each Y-direction pushing support rod is fixedly connected with a second air cylinder and driven by the second air cylinder to move up and down; two ends of each X-direction pushing support rod and Y-direction pushing support rod are respectively provided with a Z-direction push rod, the push rods penetrate through the positioning holes from bottom to top, and the top end of each push rod is provided with an inclined surface; the two Y-direction pushing support rods are positioned between the pushing rods of the two X-direction pushing support rods; the two first cylinders are fixedly arranged on the lower bottom plate, the two second cylinders are fixedly arranged on the lower bottom plate through a mounting seat, and the mounting seat is arranged between the two first cylinders;
the location promotes the subassembly, locates on the upper plate, including eight locating clips of sliding connection in groined type spout, with eight ejector pin one-to-one, every locating clip is equipped with on the front end at upper plate center and promotes the piece, respectively promotes the constant head tank that the piece encloses a rectangle, and the tail end that the upper plate center was kept away from to every locating clip is equipped with the leading wheel, and the leading wheel is towards its inclined plane of the ejector pin that corresponds, the locating clip is followed under ejector pin's promotion groined type spout to the central region of upper plate slides.
2. The four-side centering and positioning mechanism as claimed in claim 1, wherein the two first cylinders and the two second cylinders work in a linkage manner, and the output is synchronous.
3. The four-side centering and positioning mechanism according to claim 1, wherein a shaft sleeve is fixedly disposed in each positioning hole, the pushing rod is slidably disposed through the shaft sleeve, the diameter of the shaft sleeve is smaller than that of the positioning hole, an outer circumferential surface of an upper end of the shaft sleeve protrudes outward in a radial direction to form an annular retaining edge, the annular retaining edge is blocked outside the positioning hole, and a top end of the pushing rod with an inclined plane is exposed out of the annular retaining edge.
4. The four-side centering and positioning mechanism as claimed in claim 1, wherein the height of the ejector rod of the first pneumatic pushing unit is greater than the height of the ejector rod of the second pneumatic pushing unit, and the upper end surfaces of all the ejector rods are on the same horizontal plane.
5. The four-side centering and positioning mechanism according to claim 1, wherein the positioning clamp is a slide block with an inclined surface on one side, a groove is formed on the inclined surface, the guide wheel is rotatably connected in the groove, and a wheel surface of the guide wheel protrudes out of the inclined surface and is located at an edge of the positioning hole; the height of each positioning clip is not more than that of the groined sliding groove.
6. The four-side centering and positioning mechanism as claimed in claim 1, wherein each pushing block is higher than the upper surface of the positioning clamp, a product carrier is disposed in a rectangular positioning groove surrounded by each pushing block, the product carrier comprises two rectangular blocks, the two rectangular blocks are respectively embedded in two adjacent grooves along the Y direction of the central projection of the groined type sliding groove, the upper surfaces of the two rectangular blocks are flush, and the upper surfaces of the rectangular blocks are not lower than the upper surface of the central projection of the groined type sliding groove.
7. The four-sided centering and positioning mechanism as claimed in claim 1, wherein the pushing block comprises a main body part longitudinally mounted on the upper surface of the positioning clip, and an extension part extending from the upper surface of the main body part along a direction perpendicular to the moving direction of the positioning clip, and the extension parts of two adjacent positioning clips sliding in the same direction are oppositely arranged and are stacked and distributed in the Z direction.
8. The four-side centering and positioning mechanism according to claim 7, wherein the extending portions of two adjacent positioning clips sliding in the same direction have a gap in the Z direction; alternatively, the extensions of two adjacent positioning clips sliding in the same direction are fitted to each other in the Z direction.
9. The four-side centering and positioning mechanism according to claim 1, wherein the positioning pushing assembly further comprises four pressing blocks, and the four pressing blocks are arranged on the upper bottom plate and enclose a rectangle; wherein, every briquetting is located the top of two positioning clamps of equidirectional gliding, and two sliding tray that hold the leading wheel rotation and pass through are seted up to the bottom of every briquetting.
10. A centering and positioning method of the four-side centering and positioning mechanism according to claim 1, comprising:
placing the product in a rectangular positioning groove surrounded by eight pushing blocks in the positioning pushing assembly;
the two first air cylinders and the two second air cylinders synchronously run to drive the eight push rods to longitudinally move upwards in the positioning holes of the upper base plate;
the inclined planes at the top ends of the eight push rods are simultaneously abutted against the wheel surfaces of the guide wheels at the tail ends of the corresponding positioning clamps, each inclined plane pushes the corresponding guide wheel to push each positioning clamp to be synchronously drawn close to the central area of the upper base plate along the groined-shaped sliding groove, and the pushing block arranged at the front end of each positioning clamp pushes a product to realize positioning and centering of the product X, Y.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111501432.7A CN114102476A (en) | 2021-12-09 | 2021-12-09 | Four-side centering and positioning mechanism and centering and positioning method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111501432.7A CN114102476A (en) | 2021-12-09 | 2021-12-09 | Four-side centering and positioning mechanism and centering and positioning method thereof |
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| CN114102476A true CN114102476A (en) | 2022-03-01 |
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| CN202111501432.7A Pending CN114102476A (en) | 2021-12-09 | 2021-12-09 | Four-side centering and positioning mechanism and centering and positioning method thereof |
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| CN (1) | CN114102476A (en) |
Citations (10)
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| CN205380982U (en) * | 2016-02-04 | 2016-07-13 | 蓝思科技股份有限公司 | High -accuracy glass locating device |
| CN207902970U (en) * | 2017-12-29 | 2018-09-25 | 广州道达天成橡胶制品有限公司 | A kind of bottle is put upside down device |
| CN208575751U (en) * | 2018-07-24 | 2019-03-05 | 昆山索莱能光电科技有限公司 | Positioning and clamping mechanism and mechanized production system |
| CN110304084A (en) * | 2019-08-07 | 2019-10-08 | 上海中车瑞伯德智能系统股份有限公司 | A kind of rail friendship Vehicle side power window installation system |
| CN209813362U (en) * | 2018-12-03 | 2019-12-20 | 苏州桐力光电股份有限公司 | Tool structure is adjusted well to rigging machine |
| CN210877970U (en) * | 2019-09-20 | 2020-06-30 | 芜湖太阳神汽摩配制造有限公司 | Positioning device for wire cutting machine |
| CN211728492U (en) * | 2020-02-27 | 2020-10-23 | 博众精工科技股份有限公司 | Clamping and positioning tool |
| CN112872392A (en) * | 2021-01-14 | 2021-06-01 | 武汉中鸿森电器有限公司 | Clamp capable of being clamped repeatedly for numerical control machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990064647A (en) * | 1999-04-23 | 1999-08-05 | 정문술 | device for position of LCD panel algine |
| KR101019148B1 (en) * | 2010-10-20 | 2011-03-04 | (주) 티오피에스 | Centering jig of thin plate glass for display |
| CN205380982U (en) * | 2016-02-04 | 2016-07-13 | 蓝思科技股份有限公司 | High -accuracy glass locating device |
| CN207902970U (en) * | 2017-12-29 | 2018-09-25 | 广州道达天成橡胶制品有限公司 | A kind of bottle is put upside down device |
| CN208575751U (en) * | 2018-07-24 | 2019-03-05 | 昆山索莱能光电科技有限公司 | Positioning and clamping mechanism and mechanized production system |
| CN209813362U (en) * | 2018-12-03 | 2019-12-20 | 苏州桐力光电股份有限公司 | Tool structure is adjusted well to rigging machine |
| CN110304084A (en) * | 2019-08-07 | 2019-10-08 | 上海中车瑞伯德智能系统股份有限公司 | A kind of rail friendship Vehicle side power window installation system |
| CN210877970U (en) * | 2019-09-20 | 2020-06-30 | 芜湖太阳神汽摩配制造有限公司 | Positioning device for wire cutting machine |
| CN211728492U (en) * | 2020-02-27 | 2020-10-23 | 博众精工科技股份有限公司 | Clamping and positioning tool |
| CN112872392A (en) * | 2021-01-14 | 2021-06-01 | 武汉中鸿森电器有限公司 | Clamp capable of being clamped repeatedly for numerical control machine tool |
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