CN119609711A - Multi-working-procedure grouping quick-change device for machining rocker arm parts and machining method - Google Patents
Multi-working-procedure grouping quick-change device for machining rocker arm parts and machining method Download PDFInfo
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- CN119609711A CN119609711A CN202411914441.2A CN202411914441A CN119609711A CN 119609711 A CN119609711 A CN 119609711A CN 202411914441 A CN202411914441 A CN 202411914441A CN 119609711 A CN119609711 A CN 119609711A
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- quick
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Jigs For Machine Tools (AREA)
Abstract
本发明属于机加用工装设计领域，涉及一种加工摇臂类零件的多工序成组快换装置及加工方法。包括分别设置在快换底板上的第一粗加工模块，第二粗加工模块，第一精加工模块，第二精加工模块；通过快速换型的方法，有效缩短产品换型时间，仅通过简单调整、更换局部模块或更换快换底板的方式就能满足多种摇臂类零件的加工，既满足了一种摇臂类零件的多工序快速装夹，又能实现多种摇臂类零件的快速换型，解决了由于零件种类多而带来的夹具或设备数量多而导致的现场难以管理的问题，大大降低了加工成本。
The present invention belongs to the field of tooling design for machining, and relates to a multi-process group quick-change device and processing method for processing rocker arm parts. It includes a first rough processing module, a second rough processing module, a first fine processing module, and a second fine processing module respectively arranged on a quick-change base plate; through the quick-change method, the product changeover time is effectively shortened, and the processing of various rocker arm parts can be satisfied by simply adjusting, replacing local modules or replacing the quick-change base plate, which not only satisfies the multi-process quick clamping of a rocker arm part, but also realizes the quick change of various rocker arm parts, solves the problem of difficult on-site management caused by the large number of fixtures or equipment due to the large number of parts, and greatly reduces the processing cost.
Description
Technical Field
The invention belongs to the field of machining tools and designs, and relates to a multi-working-procedure grouping quick-change device for machining rocker arm parts and a machining method.
Background
The rocker arm is a common mechanical part, and is mostly of a thin-wall and special-shaped frame structure. The problems of difficult guarantee of machining precision, difficult selection of positioning reference, difficult arrangement of numerical control tool paths and the like often exist in the machining process, and when the rocker arm parts are machined by the traditional process, a plurality of sets of clamps are usually required to be customized, and the rocker arm parts can be completed through turnover of various equipment, so that the machining quality is poor, the cost is high, and the production period is long. Along with the upgrading of numerical control equipment, in order to solve anchor clamps quantity more, it is comparatively loaded down with trivial details to change anchor clamps, production cycle length scheduling problem, need just to design into groups quick change anchor clamps through the thought of quick change type grouping technique, try to solve relevant technical problem, generally need use vice and many sets of anchor clamps location during rocking arm class part machining, press from both sides tight rough machining by the vice, select to use corresponding anchor clamps clamping according to different process part states and carry out further processing, make a round trip repeatedly and accomplish processing on the lathe clamping many times, along with the promotion of output demand, the diversification of rocking arm class part kind, at this time processing with traditional anchor clamps, can lead to anchor clamps quantity kind loaded down with trivial details, increase workman's operation degree of difficulty, clamping time overlength, machining efficiency is difficult to satisfy current production demand.
Disclosure of Invention
Object of the Invention
In order to solve the related technical problems in the background art, the invention provides a multi-working-procedure group quick-change device for machining rocker arm parts and a machining method. By the quick-change method, the product change time is effectively shortened, and the processing of various rocker arm parts can be met by simply adjusting and replacing a local module or replacing a quick-change bottom plate. The parts to be processed are rocker arm parts, the parts are modularized in clamping structure through designing the quick-change bottom plate, and the rocker arm parts are orderly distributed on the quick-change bottom plate, so that multi-procedure quick clamping of the rocker arm parts is realized.
Technical proposal
The multi-process group quick-change device for machining rocker arm parts comprises a first rough machining module, a second rough machining module, a first finish machining module and a second finish machining module which are respectively arranged on a quick-change bottom plate 1; the first rough machining module is provided with symmetrical bosses for positioning blanks, the threaded bush 4 passes through the bosses on one side and is fastened by the screw 3, the first ejector rod assembly 10 comprises a top plate 12 and an ejector rod 13, the ejector rod 13 passes through the threaded bush 4, the top plate 12 and the ejector rod 13 are screwed in a threaded fit manner, when in clamping, the top plate 12 is driven by the rotating ejector rod 13 to axially move along the threaded bush 4 until the top plate 12 is attached to the surface of the blanks, the clamping and fixing of the blanks are achieved, the second rough machining module is identical to the first rough machining module in structure, the boss on one side close to the central axis of the quick-change base plate 1 is of an L-shaped structure, the appearance surface of the L-shaped structure is matched with the appearance surface of the blanks, the L-shaped structure is smaller than the height of the blanks, the surface roughness of the L-shaped structure, which is in contact with the blanks is not larger than Ra1.6, the first rough machining module is used for machining the outer surface of a part, the first rough machining module comprises a quick-change base assembly A and a second ejector rod assembly 19, the quick-change base assembly A is fixed on the base plate 1 through an inner hexagonal round head 6, the boss is provided with a locating pin 7, the locating pin 8 is arranged on the quick-change base plate assembly B is provided with a locating pin 9, and the locating pin 9 is provided with a locating pin 9, and a locating seat assembly is arranged on the base assembly 9, and a locating seat assembly is used for locating a locating seat assembly 9 The quick-change base 18 is fixed on the quick-change base plate 1 through the hexagonal socket head cap screw 6 and positioned by adopting the fixed positioning pin 7, and the part is pressed on the quick-change base 18 by the pressing plate 17 and fixed by adopting the nuts and the bolts.
Further, the working end surface on the second ejector rod assembly 19 is matched with the abnormal surface of the part. The special-shaped surface of the part can be better attached to the special-shaped surface of the part, so that the stability in the processing process is ensured.
Further, one end of the fixed positioning pin 7 is in interference fit with the quick-change base assembly A8, and the other end of the fixed positioning pin is in clearance fit with the quick-change base plate 1, so that quick-change base assembly A8 and the quick-change base plate 1 are quickly positioned during mold change.
Further, one end of the fixed positioning pin 7 is in interference fit with the quick-change base component B9, and the other end of the fixed positioning pin is in clearance fit with the quick-change base plate 1, so that quick-change base component B9 and the quick-change base plate 1 are quickly positioned during mold change.
Furthermore, the circular locating pin 14 and the diamond locating pin 15 are of step structures, the upper end face is in a threaded shape, the nut is connected with the circular locating pin 14 or the diamond locating pin 15 through threads, and the parts are pressed along the axial directions of the circular locating pin 14 and the diamond locating pin 15, so that the parts are clamped and located simultaneously. The lower end surface is a smooth cylindrical surface, one side of the smooth cylindrical surface close to the quick-change bottom plate 1 is connected with the quick-change bottom plate 1 in an interference fit manner,
Further, the dimensions of the first rough machining module, the second rough machining module, the first finish machining module and the second finish machining module are determined according to the specifications of the parts.
Further, the quick-change bottom plate is further provided with a lifting bolt 5, and the lifting bolt 5 is arranged around the quick-change bottom plate 1 and used for lifting and hanging.
Further, the quick-change base plate positioning pin 2 is also included, the quick-change base plate 1 is in interference fit with the quick-change base plate positioning pin 2, the quick-change base plate positioning pin 2 and the machine tool base plate are used for realizing quick positioning,
Further, a plurality of square grooves are formed in the bottom of the quick-change bottom plate 1 and are used for guaranteeing the flatness requirement of the bottom plate.
A multi-working-procedure group quick-change machining method for machining rocker arm parts comprises the following steps:
Step 1, placing a rough blank of a part in the middle of a symmetrical boss used for positioning by a first rough machining module, driving a top plate 12 to axially move along a threaded bushing 4 by a rotary ejector rod 13 until the top plate is attached to the surface of the rough blank, and finishing machining of a basic surface of the rough blank of the part by clamping and fixing the rough blank.
And 2, taking out the rough part blank with the machined reference surface, placing a second rough machining module, attaching the machined reference surface of the part to the L-shaped boss to finish positioning, and screwing the first ejector rod assembly 10 until the part is fastened to clamp and position the part in the process, thereby finishing rough machining of the shape and the hole site of the part.
Step 3, after the rough machining of the part is finished, a first finishing module is placed, the whole appearance of the part is a surface to be machined, so that the part cannot be positioned or clamped by using the appearance, the method passes through the round positioning pin 14 and the diamond positioning pin 15 of the quick-change base assembly A through the hole position machined by the part, the shoulder nut 16 is rotated to compress the part along the thread axis direction of the upper end surfaces of the round locating pin 14 and the diamond locating pin 15, and the positioning and clamping of the part in the process are completed, so that the machining precision of the part is ensured, and the finish machining of the external dimension is completed.
And 4, at the moment, all the external dimensions of the part are machined, a second finishing module is placed on the part, positioning is finished through the quick-change base 18 of the quick-change base component B, the pressing plate 17 is tightly pressed on the quick-change base 18 by screwing the nuts, finishing of the hole site is finished, and the machining of the part is finished.
Further, when the machined part does not need to be machined, the second ejector rod assembly 19 in the first finishing module is required to be used for clamping and positioning in the step 3. Furthermore, U-shaped grooves are distributed around the quick-change bottom plate 1 and are used for fixing the clamp on a machine tool.
The application has the beneficial effects that:
in the rocker arm part processing, the traditional processing method often has the problems of difficult guarantee of processing precision, difficult selection of positioning reference, difficult arrangement of numerical control tool paths and the like, and the processing is usually finished through the turnover of various equipment by customizing a plurality of sets of clamps, so that the processing quality is poor, the cost is high and the production period is long. The multi-process group quick-change device for machining the rocker arm parts and the machining method thereof effectively shorten the product change time by the quick-change method, and can meet the machining of various rocker arm parts only by simply adjusting and replacing local modules or replacing quick-change bottom plates, thereby not only meeting the multi-process quick-clamping of one rocker arm part, but also realizing the quick-change of various rocker arm parts, solving the problem of difficult field management caused by the large number of clamps or equipment due to the large number of parts, greatly reducing the machining cost, and enabling the whole machining flow of the rocker arm parts to become more precise and modularized by the multi-process group quick-change device for machining the rocker arm parts and the application of the machining method on the production field.
Drawings
FIG. 1 is a block diagram of a multi-working, unitized quick change apparatus and method for machining rocker arm type parts according to the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is a perspective view of a multi-working-procedure group quick-change device and a working method for working rocker arm parts according to the present invention.
Fig. 5 is a block diagram of the ram assembly.
Fig. 6 is a block diagram of a quick change base assembly a.
Fig. 7 is a block diagram of quick change base assembly B.
In the figure, the bottom plate is quickly replaced by 1-part, the bottom plate is quickly replaced by 2-part locating pins, 3-screws, 4-threaded bushings, 5-lifting bolts, 6-hexagon socket head cap screws, 7-fixed locating pins, 8-part base assembly A, 9-part base assembly B, 10-first ejector rod assembly, 11-rocker arm type parts, 12-top plate, 13-ejector rod, 14-round locating pins, 15-diamond locating pins, 16-shoulder nuts, 17-pressing plate, 18-quick-change base and 19-second ejector rod assembly 19.
Detailed Description
In order to make the purposes, technical solutions and advantages of the implementation of the present invention more clear, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the embodiments of the present invention. In the examples, the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The following examples are illustrative intended to illustrate the invention and are not to be construed as limiting the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The following describes in detail the embodiments of the present invention.
The utility model provides a multi-working-position quick change device and processing method of rocking arm class part in groups, includes quick change bottom plate, quick change bottom plate locating pin, quick change base subassembly A, quick change base subassembly B, screw, jack bolt, fixed locating pin, ejector pin subassembly I, interior hexagonal cylinder head screw, threaded bush, its characterized in that:
1. The U-shaped grooves are distributed on the periphery of the quick-change bottom plate and are used for fixing the clamp on a machine tool, the bottom of the U-shaped grooves is in interference fit with the positioning pins of the quick-change bottom plate, quick-change positioning is realized through the positioning pins of the two bottom plates and the base plate of the machine tool, the bottom of the U-shaped grooves is provided with a plurality of square grooves for guaranteeing the flatness requirement of the bottom plate, one end of the plane of the bottom plate is provided with a boss for installing a threaded bushing, the two ends of the threaded bushing are fastened by matching with drilling screw holes after being pressed into the boss, the bushing is prevented from loosening to affect positioning precision when the ejector rod assembly acts, the boss at the other end is used for being abutted when in rough machining, the other end of the boss is provided with a positioning mounting hole of the quick-change base assembly, quick-installation and mold-change of the clamping mechanism of each procedure of parts are realized, the end face of the quick-change bottom plate is an alignment face, and the finish is higher for quick alignment after the clamp is installed;
2. the quick-change bottom plate locating pin is of a step shaft structure, one end of the locating pin is in interference fit with the quick-change bottom plate, the step surface is tightly attached to the surface of the step, the other end is positioned with a T-shaped groove of the machine tool;
3. The quick-change base component consists of a quick-change base, a round locating pin, a double-headed screw, a nut, a pressing plate, a diamond locating pin, a gasket and a screw, is connected with a quick-change bottom plate through a fixed locating pin and the screw, can be designed according to the concrete structure of rocker arm parts, and is adapted to the corresponding round locating pin and diamond locating pin according to the hole position size and the position relation of the rocker arm parts, so that the quick-change base component can be positioned quickly in corresponding working procedures, and can be pressed quickly in a nut or pressing plate mode, and the number of the quick-change base components is adapted according to the working procedures of the parts to be processed;
4. The cylindrical locating pin and the diamond locating pin are of step shaft structures, the upper end of the cylindrical locating pin and the diamond locating pin is a threaded part, the cylindrical locating pin and the diamond locating pin can be tightly pressed with a nut, the middle of the cylindrical locating pin and a hole site of the part are in clearance fit for locating, the lower end of the cylindrical locating pin and the quick-change base are in interference fit, the end face is abutted, the hole site is formed in the lower end face and is fastened with a quick-change base through matching with a drill, and the locating pin is prevented from rotating to reduce locating errors;
5. The lower end face of the fixed positioning pin is fixed on the quick-change bottom plate, and the other end of the fixed positioning pin is in clearance fit with the quick-change base assembly to realize quick positioning;
6. The ejector rod assembly consists of an ejector rod and a top plate, and is connected with the quick-change bottom plate through a threaded bushing, the ejector rod is screwed to push the top plate to compress a part to be processed, the front end part of the ejector rod is screwed into the top plate through threads, so that the top plate can freely shake at the polish rod part of the ejector rod, uniformly distributed phi 4 round holes with the depth of 0.5mm are formed in the working surface of the top plate, friction is increased, and slipping is prevented in the process of compressing the part to be processed;
7. The ejector rod assembly is installed with a boss on the quick-change bottom plate and used for replacing a vice to realize quick clamping of parts to finish rough machining;
A multi-procedure group quick-change device for machining rocker arm parts and a machining method thereof are provided, wherein the clamp parts comprise (1) a quick-change bottom plate, (2) a quick-change bottom plate positioning pin, (3) a screw, (4) a threaded bushing, (5) a lifting bolt, (6) an inner hexagonal cylindrical head screw, (7) a fixed positioning pin, (8) a quick-change base assembly A, (9) a quick-change base assembly B, (10) a push rod assembly, (11) a rocker arm part, (12) a top plate, (13) a push rod, (14) a round positioning pin, (15) a diamond positioning pin, (16) a nut and (17) a pressing plate. The method comprises the steps of pressing a threaded bushing (4) into a quick-change bottom plate (1), fixing the threaded bushing (3) by a screw, (10) screwing a push rod assembly into the threaded bushing (4), fixing the threaded bushing on a quick-change top plate (1), (8) quickly-changing a base assembly A, (9) quickly-changing the base assembly B to finish positioning by a fixed positioning pin (7) on the quick-change bottom plate, (6) fastening the threaded bushing by a hexagon socket head cap screw, quickly installing a clamp on a machine tool foundation plate by a positioning pin (2) of the quick-change bottom plate, clamping and positioning each working procedure state of rocker arm parts by a push rod assembly (10), (8) quickly-changing the base assembly A, and (9) quickly-changing the base assembly B to carry out corresponding working procedure part machining.
Application instance
Taking (11) rocker arm parts (blank state), after the clamp is assembled, firstly installing the clamp to a machine tool foundation plate through a (2) quick-change bottom plate locating pin, righting the clamp by finding the front, placing (11) rocker arm part blanks into a (1) quick-change bottom plate left side close boss, rotating (13) a push rod to push (12) a top plate to finish clamping, then starting the first rough machining to mill out a machining datum plane, placing the machined (11) rocker arm part into a (1) quick-change bottom plate middle boss close, rotating the middle (13) push (12) top plate to contact (11) rocker arm part until the rocker arm part is propped against to finish clamping, finishing the second milling appearance, penetrating (8) a (14) round locating pin on a quick-change base plate according to a hole position after the machining is finished, (15) a diamond locating pin, then screwing (16) a nut to press an upper end face of the part to finish the procedure part locating clamp, finally placing the part into the quick-change base plate B according to the (14) round locating pin, (15) pressing the nut to finish the procedure part locating clamp, and finally screwing the rocker arm part into the proper position (17) to finish the diamond-shaped part locating clamp.
Furthermore, unless defined otherwise, technical or scientific terms used in the description of the application should be given the ordinary meaning as understood by one of ordinary skill in the art to which the application pertains. The terms "upper," "lower," "left," "right," "center," "vertical," "horizontal," "inner," "outer," and the like as used in the description of the present application are merely used for indicating relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and that the relative positional relationships may be changed when the absolute position of the object to be described is changed, thus not being construed as limiting the application. The terms "first," "second," "third," and the like, as used in the description of the present application, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance to the various components. The use of the terms "a," "an," or "the" and similar referents in the description of the application are not to be construed as limiting the amount absolutely, but rather as existence of at least one. As used in this description of the application, the terms "comprises," "comprising," or the like are intended to cover an element or article that appears before the term as such, but does not exclude other elements or articles from the list of elements or articles that appear after the term.
It should be further noted that, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," and the like, used in the description of the present application should be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, and in communication with each other, as would be understood by one skilled in the art in view of the specific meaning of the present application.
The foregoing description is only illustrative of the present invention and is not to be construed as limiting the invention, and any and all modifications, equivalent substitutions, improvements, etc. made by those skilled in the art using the teachings of the present invention may be made in other fields without departing from the spirit and scope of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411914441.2A CN119609711A (en) | 2024-12-24 | 2024-12-24 | Multi-working-procedure grouping quick-change device for machining rocker arm parts and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411914441.2A CN119609711A (en) | 2024-12-24 | 2024-12-24 | Multi-working-procedure grouping quick-change device for machining rocker arm parts and machining method |
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| Publication Number | Publication Date |
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| CN119609711A true CN119609711A (en) | 2025-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411914441.2A Pending CN119609711A (en) | 2024-12-24 | 2024-12-24 | Multi-working-procedure grouping quick-change device for machining rocker arm parts and machining method |
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| CN (1) | CN119609711A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121244893A (en) * | 2025-10-22 | 2026-01-02 | 明和精密模具(常熟)有限公司 | Multi-procedure clamping efficiency improving method for vehicular die casting die |
-
2024
- 2024-12-24 CN CN202411914441.2A patent/CN119609711A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121244893A (en) * | 2025-10-22 | 2026-01-02 | 明和精密模具(常熟)有限公司 | Multi-procedure clamping efficiency improving method for vehicular die casting die |
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