Disclosure of utility model
The utility model aims to provide a processing tool for a shell iron core, which is used for solving the technical problem of low processing efficiency caused by unreasonable structure of the existing processing tool for the shell iron core.
The basic scheme provided by the utility model is that the processing tool of the shell iron core is connected with an equipment operation table and used, and comprises a substrate divided into an I area and an II area, a component arranged in the I area and a component arranged in the II area;
The component in the area I comprises a first mounting plate and a second mounting plate which are vertically arranged on a substrate, wherein the centers of the first mounting plate and the second mounting plate are aligned and flush and have a distance, a first center locating pin and a second rotating locating pin are arranged on one surface of the first mounting plate facing the second mounting plate, and a pressure head corresponding to the position of the first center locating pin is movably arranged on the second mounting plate;
the assembly of the II area comprises a second central positioning pin and a second rotary positioning pin which are arranged on the base plate, wherein the second central positioning pin is a hollow pin, a tension bolt is movably arranged at the hollow part of the second central positioning pin, and a movable pressing plate is movably arranged between the tension bolt and the second central positioning pin;
The installation positions of the first center locating pin and the first rotary locating pin are matched with limiting points required by the first surface of the shell iron core during processing, the installation positions of the second center locating pin and the second rotary locating pin are matched with limiting points required by the second surface of the shell iron core during processing, and all components of the shell iron core, which are installed in any region, do not interfere with each other.
The tool has the advantages of simple design structure, long service life of each component, convenient maintenance and replacement and lower overall cost. The tool is arranged on an equipment operation platform (with a power source) through keys and bolts, so that the integral installation accuracy and the firm reliability of the tool are ensured. The two processing areas are arranged on the same substrate, the area division is reasonable, the partition processing is not affected, when the two surfaces of the same shell iron core are processed, the shell iron core is directly placed in the corresponding processing area, the in-area assembly is utilized to directly position, tooling switching is not needed, tooling repositioning is not needed, positioning between the tooling and equipment is achieved, meanwhile, the mounting hole and the tension bolt are connected with a power source, the positioning is achieved through cooperation of the pressing head and the movable pressing plate, positioning stability in the processing process is guaranteed, and therefore the processing efficiency and the processing precision are improved, and the processing quality is guaranteed. Utilize numerical control equipment's automatic tool changing and high positioning accuracy, can realize the multisize processing of same product fast on the basis of keeping processing location, for example, after the top surface processing location is realized to the II district at the shell core installation, can be here location processing 4M 6 screw holes and 3 position phi 7 through-holes to can realize 4-M6 coordinate's accurate location, need not to use traditional jig, thereby realize that one person operates many machines, improve production efficiency and machining accuracy, practiced thrift the processing cost. The design not only simplifies the operation flow, but also greatly improves the working efficiency and the product quality, and has obvious economic benefit.
Detailed Description
The following is a further detailed description of the embodiments:
The marks in the drawing of the specification comprise a second center positioning pin 1, a second rotating positioning pin 2, a zone I cylinder 3, a pressure head 4, a first center positioning pin 5, a first rotating positioning pin 6, a tension bolt 7, a movable pressing plate 8, a base plate 9, a product 10, a first mounting plate 11, a second mounting plate 12, a triangular steel plate 13 and a zone II cylinder 14.
The embodiment is basically shown in figure 1, and the processing tool for the shell iron core comprises a base plate 9, wherein the base plate 9 is divided into an area I and an area II, and as shown in figure 3, the area division basically meets the requirement of non-overlapping, ensures that the area interval and the size of the base plate 9 are in a reasonable range, and also meets the requirements of non-interference between each area component and processing.
The assembly in the area I comprises a first mounting plate 11 and a second mounting plate 12 which are vertically mounted on a base plate 9, in this embodiment, the first mounting plate 11 and the second mounting plate 12 are rectangular plates, in other embodiments, triangular steel plates 13 are mounted on the left side and the right side of the first mounting plate 11 and the second mounting plate 12, and the first mounting plate 11 and the second mounting plate 12 are supported in an auxiliary manner, so that rigidity of the first mounting plate and the second mounting plate is improved.
Wherein, install first center locating pin 5 and first rotatory locating pin 6 on the first mounting panel 11, the mounted position of first center locating pin 5 and first rotatory locating pin 6 on first mounting panel 11 matches with the required setpoint of shell core first face processing time. In this embodiment, the first surface is a side surface, the positioning point required for machining the side surface of the shell core includes a center point and a first lateral point, the first center positioning pin 5 is installed at the center of the first mounting plate 11, that is, the axis of the first center positioning pin 5 passes through the center, the center of the shell core is positioned by using the first center positioning pin 5 corresponding to the center point in the positioning point required for machining the side surface of the shell core, the installation position of the first rotating positioning pin 6 corresponds to the first lateral point in the positioning point required for machining the side surface of the shell core, the rotating positioning of the shell core is performed by using the first rotating positioning pin 6, as shown in fig. 2, the first rotating positioning pin 6 is installed on the first mounting plate 11, the center distance L1 between the first rotating positioning pin 6 and the first mounting plate 11 is 77-80mm, the offset angle a is 8-12 °, in this embodiment, L1 is 78.5mm, the offset angle a is 10 °, and the method is suitable for the model of the shell core with larger yield. With respect to the first lateral point, there is a void in the structure of the housing core itself at and around the first lateral point, into which the first rotational positioning pin 6 can be snapped, achieving rotational limitation based on rotational abutment.
The second mounting plate 12 is movably provided with a pressure head corresponding to the position of the first central positioning pin, specifically, the second mounting plate 12 is provided with a mounting hole corresponding to the position of the first central positioning pin 5, as shown in fig. 3, namely, the axis of the first central positioning pin 5 passes through the hole center of the mounting hole, the mounting hole is used for moving through a power source in the I area of an equipment operating platform (namely, the cylinder 3 in the I area), the mounting hole is matched with the cylinder shaft of the cylinder 3 in the I area, one end of the cylinder shaft of the cylinder 3 in the I area, close to the first mounting plate 11, is connected with the pressure head 4, so that the pressure head 4 is positioned between the first mounting plate 11 and the second mounting plate 12, the pressure head 4 is pushed or pulled back under the driving of the cylinder 3 in the I area, the pressure head 4 moves along the direction of double arrow between the pressure head 4 and the cylinder 3 in the I area, the first mounting plate 11 and the pressure head 4 have a first distance, and the first distance is 67-140mm (calculated by pushing out and pulling back the pressure head 4) so as to meet the requirement that when the side processing is carried out by the pressure head 4 to be close to the second mounting plate 12, the shell iron core can be put in or taken out smoothly, and the pressure head 4 is reasonably pushed out, and the side processing is not pushed out by the pressure head 4 to the side processing when the side processing is ensured to be reasonably pushed out by the pressure head 4, and the side processing is not pushed out to be moved to the side by the position to be left by the position to the position of the side surface to be outside.
The assembly of the zone II comprises a second center locating pin 1 and a second rotating locating pin 2 which are arranged on a base plate 9, and the installation positions of the second center locating pin 1 and the second rotating locating pin 2 are matched with limit points required during the second surface processing of the shell iron core. In this embodiment, the second surface is a top surface, the positioning point required for machining the top surface of the housing core includes a center point and a second lateral point, and the second lateral point may be the same as or different from the first lateral point, specifically, the housing core structure and the position of the housing core on the substrate 9 are adapted, in this embodiment, as shown in fig. 3, the distance L2 between the second lateral point and the center of the second center positioning pin 1 is 97mm or 17.2mm, and the offset angle β is 15 °.
As shown in FIG. 1, the second center positioning pin 1 is a hollow pin, further can be a hollow step pin, is matched with a machining positioning center point structure of a shell iron core, a tension bolt 7 is movably arranged in the hollow part of the second center positioning pin, as shown in FIG. 4, the tension bolt 7 is of a shape structure, corresponding products can be selected, the lower end of the tension bolt 7 is connected with a power source (namely a cylinder 14 in a region II) of an equipment operating platform II, a movable pressing plate 8 is movably arranged between the tension bolt 7 and the second center positioning pin 1, in the embodiment, the movable pressing plate 8 is of an opening shape, the structure is as shown in FIG. 5, and the opening is matched with the screw size of the tension bolt 7.
In this embodiment, the first center locating pin 5 and the second center locating pin 1, the first rotating locating pin 6 and the second rotating locating pin 2 are conventional products, and can be matched with the shell core structure produced conventionally, so that the structural matching of each processing location is realized, and the processing location is firm and stable.
Because the shell iron core can be placed in the I area and the II area respectively for processing, the interval setting of the I area and the II area ensures that all components of the shell iron core in any area and the other area are not interfered, namely friction and clamping are not generated, and meanwhile, the substrate 9 is required to be ensured to be reasonable in size, the plate is not wasted, and the cost is saved. Importantly, the position of the second centering pin 1 and the selection of the second lateral point are shown in fig. 3, wherein the vertical distance L3 between the second centering pin 1 and the first mounting plate 11 (or the triangular steel plate 13) is 175-185mm, preferably 180mm, so as to meet the above requirement of no interference, and in addition, as shown in fig. 7 and 8, after the housing iron core is positioned in the region II, the vertical distance L4 between the edge of the housing iron core and the first mounting plate 11 (or the triangular steel plate 13) is 30-50mm, so as to meet the above requirement.
The specific use is as follows:
For clarity of description of the tooling and its process of use, the shell core to be machined is referred to collectively as the product 10.
Firstly, a substrate is fixedly arranged at a proper position of an equipment operation table, a pressure head 4 is connected with an equipment operation table I area cylinder 3, and a tension bolt 7 is connected with an equipment operation table II area cylinder 14.
As shown in fig. 6, the processing of the through hole of phi 10 is completed in the area I, the phi 10 to be drilled is right above the product 10, the central hole of the product 10 is led into the first central positioning pin 5, the product 10 is limited in the center, the product 10 is rotated clockwise, the product is abutted against the rotary positioning pin 6, the rotary positioning is realized, the area I cylinder 3 pushes the pressing head 4 to press the product 10, the corresponding cutter and the positioning of numerical control equipment are adjusted in advance, the phi 10 drilling processing is performed on the product 10 along the downward arrow direction, chamfering processing is performed, after the processing is finished, the pressing head 4 is loosened through the area I cylinder 3, the product 10 is taken out, and the direction of pressing and loosening the pressing head 4 by the area I cylinder 3 is shown as a horizontal left-right arrow in fig. 6.
As shown in fig. 6 and 7, the product 10 is taken out, the product 10 is installed in the zone II, 4 x M6 and 3 x phi 7 through holes are machined in the zone II, the part to be machined of the product 10 is right above, the center hole is led into the second center locating pin 1, the product 10 is rotated clockwise, the tension bolt 7 is pushed upwards by the zone II cylinder 14 against the second rotating locating pin 2, so that a space is formed between the tension bolt 7 and the second center locating pin 1, the movable pressing plate 8 is clamped into the space, the tension bolt 7 is pulled downwards by the zone II cylinder 14, the movable pressing plate 8 and the product 10 are pressed simultaneously, the cutter and the positioning precision are automatically replaced by numerical control equipment, the threaded bottom hole 4-M6 drilling operation is sequentially carried out, chamfering treatment, 3-phi 7 through holes are machined and tapping are finished, the tension bolt 7 is pushed upwards by the zone II cylinder 14, and the movable pressing plate 8 and the product 10 are sequentially taken out, wherein the direction of the zone II cylinder 14 is pulled back downwards and the tension bolt 7 is pushed upwards as shown by an arrow in the upper and lower direction in fig. 6.
Of course, the processing sequence in the I area and the II area is not limited, and the processing sequence can be reasonably adjusted according to the convenience of automatic tool replacement of numerical control equipment and the like.
The processing frock of shell iron core that this embodiment provided, with current frock contrast, have the advantage:
1) The tool is simple in structure, long in service life of components, convenient to maintain and replace, low in cost, convenient and stable in processing and positioning, capable of clamping a product at one time, capable of centering the product by utilizing a first centering pin and a second centering pin, limiting the rotating direction of the product by the first rotating positioning pin and the second rotating positioning pin, capable of limiting the x and y directions of the product, capable of achieving vertical compression type matching of the second mounting plate and the cylinder in the I area, capable of achieving vertical compression type matching of the tensioning bolt, the movable pressing plate and the cylinder in the II area, capable of achieving Z direction limiting of the product, capable of guaranteeing stable positioning during processing of the product, capable of improving processing precision, convenient to install and capable of improving processing efficiency, and capable of achieving structural adaptation of each component and a shell iron core;
2) The two processing areas are arranged on the same substrate, the area division is reasonable through the arrangement of the positions and the relative positions of the components, the partition processing is not affected, when the two surfaces of the same shell iron core are processed, the shell iron core is directly placed in the corresponding processing area, the components in the area are utilized for direct positioning, tooling switching, tooling repositioning and positioning between the tooling and equipment are not needed, meanwhile, the positioning is carried out through the cooperation of the mounting holes and the tension bolts and the power source, the positioning is carried out through the cooperation of the pressure head and the movable pressure plate, the positioning stability in the processing process is ensured, the processing efficiency and the processing precision are improved, and the processing quality is ensured;
3) Utilize numerical control equipment's automatic tool changing and high positioning accuracy, can realize the multisize processing of same product fast on the basis of keeping processing location, for example, after the top surface processing location is realized to the II district at the shell core installation, can be here location processing 4M 6 screw holes and 3 position phi 7 through-holes to can realize 4-M6 coordinate's accurate location, need not to use traditional jig, thereby realize that one person operates many machines, improve production efficiency and machining accuracy, practiced thrift the processing cost.
The tool not only simplifies the operation flow, but also greatly improves the working efficiency and the product quality, and has obvious economic benefit.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application date or before the priority date, can know all the prior art in the field, and has the capability of applying the conventional experimental means before the date, and a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present utility model, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.