A kind of vertical reversely boring clamp that clamps in product center hole that is used for
Technical field
The utility model belongs to processing and clamps technical field, particularly a kind of vertical reversely boring clamp that clamps in product center hole that is used for.
Background technology
In the processing of products such as lid class, frequency modulation cavity, generally need carry out Precision Machining to its centre bore, bore seal face, end face and each boss face, and in existing technology, generally process as datum level, and all be not used in the clamped position or the technology clamping platform of the processing of bore seal face operation in the existing product with the black skin of product cavity.Traditional technology is: the inner chamber of first operation elder generation converted products, seal face and lumen centers platform, owing to do not process the product clamping point of usefulness at all, product does not allow to process false boss yet, but the mode that clamps in the middle of can not adopting, therefore first operation adopts traditional side pressure clamping device mode to clamp processing, compress product owing to lack the partial pressure of vertical direction, this structure and processing mode cause the instability of product size through regular meeting, flatness is overproof, and resonator end surface produces chatter mark in making easily, influence roughness, thereby cause product not to be inconsistent the drawing requirement and large quantities of scrapping caused very big loss; After first operation machined, second operation supported other structures of converted products with the seal face after first operation processing, and therefore second operation occurs processing phenomenons such as the bad quality that causes the second operation converted products is bad because of first preface equally.Simultaneously, in conventional art, because first operation does not have the datum level of mach plane as this operation, owing to need not mach (black skin of product cavity) be by the die casting straight forming, plane by the die casting straight forming is compared with mach plane, size fluctuation is bigger, and the conference of size fluctuation goes to 0.4~0.5mm, so just can not guarantee the precision of size.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art with not enough, provide a kind of simple and reasonable for structure, can realize the displacement of traditional manufacturing procedure, and can be by on product, producing the reversely boring clamp that is used for the vertical clamping in product center hole that the vertical direction partial pressure reaches clamping.
The purpose of this utility model is achieved through the following technical solutions: a kind of vertical reversely boring clamp that clamps in product center hole that is used for, cooperate second anchor clamps that clamp to constitute by first anchor clamps of the vertical direction clamping area that is used for converted products and with the vertical direction clamping area of product, described first anchor clamps comprise first base plate, fixed support block, first hold-down mechanism and first detent mechanism, described fixed support block is several, and all be fixed on first base plate, and around the basal surface of product, evenly distribute between each fixed support block; First hold-down mechanism comprises control hand valve and several clamping cylinders, several clamping cylinders are connected with control hand valve by the valve pipe, and clamping cylinder and control hand valve all are fixed on first base plate, be equipped with hold-down head on each clamping cylinder, the corresponding setting of each clamping cylinder with each fixed support block, and the hold-down head of clamping cylinder is located at the fixed support block top; The corresponding setting of described first detent mechanism with fixed support block;
Described second anchor clamps comprise second base plate, back-up block, second hold-down mechanism and second detent mechanism, and described back-up block is several, and all is fixed on second base plate, and evenly distribute around the basal surface of product between each back-up block; Second hold-down mechanism is positioned at the center of second base plate, comprise and support round platform, regulating handle and briquetting, supporting round platform is fixed on second base plate, the center of supporting round platform is provided with circular hole, and supports the vertical direction clamping area clamping engagement in round platform and the product center hole that is processed by first clamp; One end of regulating handle places in the circular hole and is fixed on second base plate, and the other end is located at second base plate top, and its end connects briquetting; The corresponding setting of described second detent mechanism with back-up block.
Described first anchor clamps also are provided with at least two floating supports, and the floating end of each floating support is arranged at the centre position of first base plate by spring, and its other end is fixed on the periphery of first base plate.
Described control hand valve is a revolving type pneumatic control hand valve, and described regulating handle is the revolving type regulating handle.
As preferably, the fixed support block of described first anchor clamps and the number of clamping cylinder are four.
As preferably, the number of the back-up block of described second anchor clamps is four.
Described first detent mechanism comprises several locating pieces and guide and limit piece, and described locating piece and guide and limit piece all are fixed on first base plate, and is located at the side of each fixed support block respectively.
Described valve pipe is located at first floor below, and connects clamping cylinder and control hand valve respectively.
Described second detent mechanism comprises several limited blocks and guide support column, and described limited block and guide support column all are fixed on second base plate, and each limited block and guide support column evenly distribute around the basal surface of product.
The use of above-mentioned reversely boring clamp: product is carried out anti-boring processing, promptly earlier product is positioned on the fixed support block of first anchor clamps, and positions by the locating piece and the guide and limit piece of first anchor clamps; Regulate floating support, keep reconciliation of inventory; Turn control hand valve starts clamping cylinder, and the hold-down head of clamping cylinder is compressed to product; Processing unit (plant) processes product the clamping area of vertical direction in product center hole and the centre bore; After machining, turn control hand valve makes clamping cylinder unclamp product, and takes out product;
The turn regulating handle takes out it, the product that processes the vertical direction clamping area is positioned on the back-up block of second anchor clamps, and is positioned by the limited block and the guide support column of second anchor clamps; Regulating handle inserts in the centre bore of product, and rotation makes the briquetting of regulating handle compress product, thus make in the product center hole that processes by first clamp clamping area with support round platform vertical folder tight fit; Processing unit (plant) is finished the processing of other structures such as the inner chamber of product and end face; After machining, the turn regulating handle makes briquetting unclamp product, and takes out product; Finish processing.
The utility model can be used for not having in the machinofacture clamped position or technology to clamp the product of these types of platform.
The utility model adopts reversely boring clamp to carry out anti-boring processing and (promptly can be used as the datum level that needs in the current operation by processing in last operation, so that the accurate processing of current operation), the supporting surface or the clamping area that process the smart datum level in the postorder machined preface and provide vertical direction to clamp, thereby (adopt the smart datum level that processes after the anti-borer skill by original need not mach datum level transferring to--adopt in-traditional the technology need not mach as datum level) and supporting surface or clamping area for providing one can produce the partial pressure of vertical direction in this operation be provided the datum level in the realization machined, guarantee the dimensional accuracy in the process, requirements such as roughness.
The utility model compared with prior art has following advantage and beneficial effect:
1, compares with conventional art, the utility model adopts first anchor clamps and second anchor clamps to be used in combination, process the clamping area of vertical aspect earlier by first anchor clamps, again by of the clamping area clamping processing of second anchor clamps with first anchor clamps, so that the clamping force of vertical direction to be provided, guarantee the dimensionally stable in this operation process, the roughness of the not overproof and machined surface of flatness, and second anchor clamps are processing datum with the clamping area, can effectively guarantee the precision of relevant processing dimension.
2, the utility model adopts reversely boring clamp to clamp processing, can realize turning the manufacturing procedure of product, make the datum level of blank realize the transfer of smart benchmark, make each machined surface present the stabilised quality state with respect to the height of rough benchmark face, overcome and add the risk that side folder got loose and was out of shape man-hour, avoid the variation and the fluctuation of processing dimension simultaneously.
3, first anchor clamps of the present utility model are provided with to float and support, and can make product add man-hour, can keep balance.
4, second anchor clamps of the present utility model are provided with and support round platform and regulating handle, adjusting by regulating handle, can make the clamping area and support round platform clamping engagement of the vertical direction in the product center hole, thus the clamping on the vertical direction of realization product, to guarantee crudy.
5, compact conformation of the present utility model is reasonable, simpler production convenient, low cost of manufacture, has the machining accuracy advantages of higher.
Description of drawings
Fig. 1 is the structural representation of first anchor clamps of the present utility model.
Fig. 2 is a vertical view shown in Figure 1.
Fig. 3 is the structural representation of second anchor clamps of the present utility model.
Fig. 4 is a vertical view shown in Figure 3.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
Fig. 1~Fig. 4 shows the concrete structure schematic diagram of present embodiment, originally be used for the vertical reversely boring clamp that clamps in product center hole, cooperate second anchor clamps that clamp to constitute by first anchor clamps of the vertical direction clamping area that is used for converted products and with the vertical direction clamping area of product, as shown in Figure 1, described first anchor clamps comprise first base plate 1, fixed support block 8, first hold-down mechanism and first detent mechanism, described fixed support block 8 is four, and all be fixed on first base plate 1, and around the basal surface of product, evenly distribute between each fixed support block 8, as shown in Figure 2; First hold-down mechanism comprises control hand valve 3 and four clamping cylinders 2, four clamping cylinders 2 are connected with control hand valve 3 by the valve pipe, and clamping cylinder 2 and control hand valve 3 all are fixed on first base plate 1, be equipped with hold-down head on each clamping cylinder 2, each clamping cylinder 2 and each fixed support block 8 corresponding settings, and the hold-down head of clamping cylinder 2 is located at fixed support block 8 tops; Described first detent mechanism and fixed support block 8 corresponding settings;
As shown in Figure 3, described second anchor clamps comprise second base plate 11, back-up block 10, second hold-down mechanism and second detent mechanism, described back-up block 10 is four, and all is fixed on second base plate 11, and evenly distributes around the basal surface of product between each back-up block 10; As shown in Figure 4, second hold-down mechanism is positioned at the center of second base plate 11, comprise and support round platform 15, regulating handle 14 and briquetting 9, supporting round platform 15 is fixed on second base plate 11, the center of supporting round platform 15 is provided with circular hole, and supports the vertical direction clamping area clamping engagement in round platform 15 and the product center hole that is processed by first clamp; One end of regulating handle 14 places in the circular hole and is fixed on second base plate 11, and the other end is located at second base plate, 11 tops, and its end connects briquetting 9; Described second detent mechanism and back-up block 10 corresponding settings.
Described first anchor clamps also are provided with at least two floating supports 4, and the floating end 6 of each floating support 4 is arranged at the centre position of first base plate 1 by spring, and its other end is fixed on the periphery of first base plate 1.
Described control hand valve 3 is a revolving type pneumatic control hand valve 3, and described regulating handle 14 is a revolving type regulating handle 14.
Described first detent mechanism comprises two locating pieces 5 and guide and limit piece 7, and described locating piece 5 and guide and limit piece 7 all are fixed on first base plate 1, and is located at the side of each fixed support block 8 respectively.
Described valve pipe is located at first base plate, 1 below, and connects clamping cylinder 2 and control hand valve 3 respectively.
Described second detent mechanism comprises two limited blocks 12 and three guide support column 13, and described limited block 12 and guide support column 13 all are fixed on second base plate 11, and each limited block and guide support column evenly distribute around the basal surface of product.
The application of above-mentioned reversely boring clamp: reversely boring clamp is located at the below of processing unit (plant); Adopt reversely boring clamp to clamp product and carry out anti-boring processing, be about to product and be positioned on the fixed support block 8 of first anchor clamps, and position by the locating piece and the guide and limit piece of first anchor clamps; Regulate floating support 4, keep reconciliation of inventory; Turn control hand valve 3 starts clamping cylinder 2, and the hold-down head of clamping cylinder 2 is compressed to product; Processing unit (plant) processes product the clamping area of vertical direction in product center hole and the centre bore; After machining, turn control hand valve 3 makes clamping cylinder 2 unclamp product, and takes out product;
Turn regulating handle 14 takes out it, the product that processes the vertical direction clamping area is positioned on the back-up block 10 of second anchor clamps, and is positioned by the limited block and the guide support column of second anchor clamps; Regulating handle 14 inserts in the centre bore of products, and rotation makes the briquetting 9 of regulating handle 14 compress product, thus make in the product center hole that processes by first clamp clamping area with support round platform 15 vertical folder tight fits; Processing unit (plant) is finished the processing of other structures such as the inner chamber of product and end face; After machining, turn regulating handle 14 makes briquetting 9 unclamp product, and takes out product; Finish processing.
Embodiment 2
Present embodiment except that following characteristics other structures with embodiment 1: the fixed support block of described first anchor clamps and the number of clamping cylinder are three.As shown in Figure 4, the number of the back-up block of described second anchor clamps is three.
The various embodiments described above are the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.