CN113118826A - Processing jig for precise metal piece - Google Patents
Processing jig for precise metal piece Download PDFInfo
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- CN113118826A CN113118826A CN201911408407.7A CN201911408407A CN113118826A CN 113118826 A CN113118826 A CN 113118826A CN 201911408407 A CN201911408407 A CN 201911408407A CN 113118826 A CN113118826 A CN 113118826A
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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
- B23Q3/08—Work-clamping means other than mechanically-actuated
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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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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Abstract
The invention discloses a processing jig for a precision metal piece, which comprises a substrate, a support plate and a cover plate, wherein the support plate is fixedly arranged on the upper surface of the substrate, the upper surface of the support plate is in contact connection with the lower surface of a workpiece to be processed, the cover plate is arranged above the workpiece, the lower surface of the cover plate is in press connection with the workpiece, a plurality of pressure head mechanisms are arranged at the peripheral edges of the substrate and are in press connection with the top surface of the cover plate, a partition plate is further arranged, the lower surface of the partition plate is in contact connection with the upper surface of a body, the upper surface of the partition plate is higher than the top surface of a first bending part and is in contact connection with the lower surface of the cover plate, two limiting blocks corresponding to a second bending part are fixed on the support plate, and one side surface of. According to the invention, the lug is matched with the limiting block, so that accurate positioning is provided for the workpiece, the workpiece is convenient to clamp with high precision, and the processing precision of the workpiece is further ensured.
Description
Technical Field
The invention relates to a processing jig for a precision metal piece, and belongs to the field of machining.
Background
A Computer Numerical Control (CNC) machine is an automatic machine equipped with a program control system, which can logically process a program specified by a control code or other symbolic instructions and decode the program so as to make the machine operate and machine parts, so that compared with the traditional manufacturing industry, the CNC machine has higher machining precision and automation degree, saves a large number of manual operation links, improves the productivity, and is widely applied to the modernization process of the manufacturing industry.
The rapid development of communication technology accelerates the updating and upgrading speed of electronic products and also promotes the continuous innovation of the production chain of electronic products. For the shell of an electronic product, particularly a metal shell, due to the fact that the shell is thin and irregular in shape, an operator is difficult to fix a workpiece in the production process, the workpiece is easy to deform and damage under the action of external force of a machine tool, machining errors are large, the defective rate of the product is high, production efficiency is low, and the huge market demand on the electronic product is difficult to meet.
Disclosure of Invention
The invention aims to provide a processing jig for a precision metal piece, which is matched with a limiting block through a bump, provides accurate positioning for a workpiece, is convenient for clamping the workpiece with high precision, and further ensures the processing precision of the workpiece.
In order to achieve the purpose, the invention adopts the technical scheme that: a processing jig for a precision metal piece comprises a base plate, a support plate and a cover plate, wherein the support plate is fixedly arranged on the upper surface of the base plate, the upper surface of the support plate is in contact connection with the lower surface of a workpiece to be processed, the cover plate is arranged above the workpiece, the lower surface of the cover plate is in press fit connection with the workpiece, a plurality of pressure head mechanisms are arranged at the peripheral edge of the base plate, and the pressure head mechanisms are in press fit connection with the top surface of the cover plate;
the pressure head mechanism further comprises a fixed plate, a fixed seat, a push-pull rod, a warping pressure plate, a pressure head and two connecting rotating plates symmetrically arranged on two sides of the fixed seat, one end of the fixed plate is arranged on the base plate, the other end, far away from the base plate, of the fixed plate is provided with a through hole for the push-pull rod to pass through, the upper end of the push-pull rod is rotatably connected with the connecting rotating plates, and the lower end of the push-pull rod passes through the fixed plate and is connected with a driving assembly;
the base part at the lower end of the fixed seat is fixedly arranged on the upper surface of the fixed plate, the base part is connected with a connecting part inclined towards one side of the push-pull rod, the lower end of the connecting part is provided with a first rotating shaft penetrating through the connecting part, the upper end of the connecting part is provided with a second rotating shaft penetrating through the connecting part, two ends of the first rotating shaft respectively extend out of two sides of the connecting part and are respectively connected with the connecting rotating plate, and the second rotating shaft is rotatably connected with the tail end of the warping pressing plate;
the connecting rotating plate comprises a first strip-shaped part and a second strip-shaped part, one end of each of the first strip-shaped part and the second strip-shaped part is connected, so that an acute angle is formed between the first strip-shaped part and the second strip-shaped part, a corner part is formed at the joint of the first strip-shaped part and the second strip-shaped part, and the corner parts of the two connecting rotating plates are respectively in rotating connection with two ends of the first rotating shaft;
one end, opposite to the corner portion, of each of the two first strip-shaped portions is rotatably connected with the upper end of the push-pull rod through a third rotating shaft, a fourth rotating shaft is connected between one ends, opposite to the corner portion, of the two second strip-shaped portions, the fourth rotating shaft is rotatably connected with the rear end of the pressing head, the rear end of the pressing head is provided with a downwards extending switching portion, the switching portion is rotatably connected with the middle rear portion of the warping pressing plate through a fifth rotating shaft, and the lower surface of the front end of the pressing head can be in compression contact with the upper surface of the warping pressing plate;
the upper end of the push-pull rod is connected with a fixed block, the fixed block is provided with a strip-shaped through hole, the third rotating shaft is embedded into the strip-shaped through hole, two ends of the third rotating shaft respectively extend out of the strip-shaped through hole, and the first strip-shaped parts of the two connecting rotating plates are respectively in rotating connection with two ends of the third rotating shaft;
the workpiece comprises a body, two opposite edges of the body are provided with an upward first bending part, the middle part of the other edge of the body is provided with a notch part, the edges of two ends of the groove are respectively provided with an upward second bending part, the lower surface of the body is in contact with the upper surface of the carrier plate, the workpiece is also provided with a partition plate, the lower surface of the partition plate is in contact connection with the upper surface of the body, and the upper surface of the partition plate is higher than the top surface of the first bending part and is in contact connection with the lower surface of the cover plate;
two limiting blocks corresponding to the second bending parts are fixed on the carrier plate, and one side surfaces of the limiting blocks are in contact connection with the outer side surfaces of the second bending parts.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the upper surface of the substrate and one side of the carrier plate are provided with at least two limiting columns, and the cover plate is provided with through holes for embedding the limiting columns.
2. In the above solution, the partition board is provided with a notch groove corresponding to the notch portion of the workpiece, so that two protrusions are formed on two sides of the notch groove, and the protrusions are respectively in contact connection with the inner side surface of the second bending portion.
3. In the above scheme, the limiting column is located in the notch groove of the partition board.
4. In the above scheme, the second bending part is obliquely arranged, and the surface of the limiting block contacting with the second bending part is an inclined surface matched with the second bending part.
5. In the above scheme, the driving assembly is an air cylinder.
6. In the above scheme, the driving assembly is mounted on the lower surface of the fixing plate.
7. In the above scheme, spacing card is all installed at the both ends of first pivot, third pivot and fourth pivot, and this spacing card imbeds in the recess at first pivot, third pivot or fourth pivot both ends, and the inboard surface of this spacing card is connected with the outside surface contact who connects the rotor plate.
8. In the above scheme, the partition board is a polyurethane partition board, a glass fiber partition board or an epoxy resin partition board.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the processing jig for the precision metal piece has the advantages that the pressure head mechanism is ingenious in structural design, double pressure is provided by the warping pressure plate and the pressure head through the linkage effect of the multiple parts, the force and the stability of the warping pressure plate for pressing the cover plate are enhanced, the situations of shaking, cutter vibrating, cutter lines and the like caused by insufficient clamping force during processing of the workpiece are avoided, and the stability and the quality of the processing of the workpiece are improved; the clamping force of the warping pressing plate can be increased under the condition that the driving force provided by the driving assembly is the same, and further, when the length of the warping pressing plate is long, second stress is provided in the middle of the warping pressing plate through the pressing head, so that the warping pressing plate can clamp a cover plate at a far distance with stable and constant pressure, more space is provided for processing a workpiece, multiple processes can be performed on the workpiece at one time, and the processing effect and efficiency of the workpiece are improved; in addition, through the cooperation setting of push rod pole and each structure for the biggest angle that the perk clamp plate can be opened is greater than 90, is convenient for to the clamping of work piece, and can not injure by the article of centre gripping, has further improved stability and the quality to work piece processing.
2. The processing jig for the precision metal piece is also provided with a partition plate, the lower surface of the partition plate is in contact connection with the upper surface of the body, the upper surface of the partition plate is higher than the top surface of the first bending part and is in contact connection with the lower surface of the cover plate, the cover plate with higher hardness is prevented from being in direct contact with a workpiece through the arrangement of the partition plate, the abrasion of the cover plate on the workpiece is avoided, the force exerted on the cover plate by a pressure head mechanism can be evenly exerted on the workpiece, and the workpiece is prevented from being damaged due to overlarge local force while the clamping force on the workpiece is ensured to be stable; in addition, two limiting blocks corresponding to the second bending part are fixed on the support plate, one side surface of each limiting block is in contact connection with the outer side surface of the second bending part, the limiting blocks are arranged to preliminarily set the workpiece so as to facilitate accurate positioning of the workpiece, and the limiting columns are arranged to limit the cover plate so that the cover plate can be quickly and accurately installed; furthermore, the partition plate is provided with a notch groove corresponding to the notch part of the workpiece, so that two convex blocks are formed on two sides of the notch groove, the convex blocks are respectively in contact with the inner side surface of the second bending part and are connected with the limiting block, the convex blocks are matched with the limiting blocks, accurate positioning is provided for the workpiece, the workpiece is conveniently clamped with high precision, and the machining precision of the workpiece is further ensured.
Drawings
FIG. 1 is a schematic structural view of a machining jig for a precision metal part according to the present invention;
FIG. 2 is a structural front view of a pressing head mechanism of the processing jig for a precision metal piece according to the present invention;
FIG. 3 is a first schematic structural diagram of a pressing head mechanism of the processing jig for the precision metal piece of the present invention;
FIG. 4 is a schematic structural diagram of a pressing head mechanism of the processing jig for a precision metal piece according to the present invention;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 4;
FIG. 6 is a schematic view of a connecting rotating plate of the processing jig for precision metal parts according to the present invention;
FIG. 7 is a schematic view of a fixing base structure of the jig for machining a precision metal part according to the present invention;
FIG. 8 is a schematic view of a workpiece to be machined;
fig. 9 is a schematic partial structural view of a processing jig for a precision metal part according to the present invention.
In the above drawings: 1. a substrate; 2. a carrier plate; 3. a workpiece; 301. a body; 302. a first bending portion; 303. a notch portion; 304. a second bending portion; 4. a partition plate; 5. a cover plate; 6. a pressure head mechanism; 601. a fixing plate; 602. a fixed seat; 6021. a base part; 6022. a connecting portion; 603. a push-pull rod; 604. warping and pressing the plate; 605. a pressure head; 6051. a switching part; 606. a through hole; 607. a drive assembly; 608. a first rotating shaft; 609. a second rotating shaft; 610. a third rotating shaft; 611. a fourth rotating shaft; 612. a fifth rotating shaft; 613. a fixed block; 6131. a strip-shaped through hole; 614. connecting the rotating plate; 6141. a first bar-shaped portion; 6142. a second bar-shaped portion; 6143. a corner portion; 16. a limiting block; 17. a limiting column.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a processing jig for a precision metal piece comprises a base plate 1, a support plate 2 and a cover plate 5, wherein the support plate 2 is fixedly arranged on the upper surface of the base plate 1, the upper surface of the support plate 2 is in contact connection with the lower surface of a workpiece 3 to be processed, the cover plate 5 is arranged above the workpiece 3, the workpiece 3 on the lower surface of the cover plate 5 is in press fit connection, a plurality of pressure head mechanisms 6 are arranged at the peripheral edges of the base plate 1, and the pressure head mechanisms 6 are in press fit connection with the top surface of the cover plate 5;
the pressure head mechanism 6 further comprises a fixed plate 601, a fixed seat 602, a push-pull rod 603, a warping pressing plate 604, a pressure head 605 and two connecting rotating plates 614 symmetrically arranged on two sides of the fixed seat 602, wherein one end of the fixed plate 601 is mounted on the substrate 1, a through hole 606 for the push-pull rod 603 to pass through is formed in the other end, away from the substrate 1, of the fixed plate 601, the upper end of the push-pull rod 603 is rotatably connected with the connecting rotating plates 614, and the lower end of the push-pull rod 603 passes through the fixed plate 601 and is connected with a driving assembly 607;
a base part 6021 at the lower end of the fixed seat 602 is fixedly arranged on the upper surface of the fixed plate 601, a connecting part 6022 inclined towards the push-pull rod 603 is connected to the base part 6021, a first rotating shaft 608 penetrating through the connecting part 6022 is arranged at the lower end of the connecting part 6022, a second rotating shaft 609 penetrating through the connecting part 6022 is arranged at the upper end of the connecting part 6022, two ends of the first rotating shaft 608 respectively extend out from two sides of the connecting part 6022 and are respectively connected with the connecting rotating plate 614, and the second rotating shaft 609 is rotatably connected with the tail end of the tilting plate 604;
the connecting rotating plate 614 comprises a first strip-shaped portion 6141 and a second strip-shaped portion 6142, wherein one end of each of the first strip-shaped portion 6141 and the second strip-shaped portion 6142 is connected, so that an acute angle is formed between the first strip-shaped portion 6141 and the second strip-shaped portion 6142, a corner portion 6143 is formed at the connecting position of the first strip-shaped portion 6141 and the second strip-shaped portion 6142, and the corner portions 6143 of the two connecting rotating plates 614 are respectively in rotating connection with two ends of the first rotating shaft 608;
one end, opposite to the corner portion 6143, of each of the two first bar-shaped portions 6141 is rotatably connected with the upper end of the push-pull rod 603 through a third rotating shaft 610, a fourth rotating shaft 611 is connected between one ends, opposite to the corner portion 6143, of the two second bar-shaped portions 6142, the fourth rotating shaft 611 is rotatably connected with the rear end of the pressure head 605, the rear end of the pressure head 605 is provided with a switching portion 6051 extending downwards, the switching portion 6051 is rotatably connected with the middle rear portion of the seesaw plate 604 through a fifth rotating shaft 612, and the lower surface of the front end of the pressure head 605 can be in pressing contact with the upper surface of the seesaw plate 604;
the upper end of the push-pull rod 603 is connected with a fixing block 613, the fixing block 613 is provided with a strip-shaped through hole 6131, the third rotating shaft 610 is embedded into the strip-shaped through hole 6131, two ends of the third rotating shaft 610 respectively extend out of the strip-shaped through hole 6131, and the first strip-shaped parts 6141 of the two connecting rotating plates 614 are respectively connected with two ends of the third rotating shaft 610 in a rotating manner;
the workpiece 3 comprises a body 301, two opposite edges of the body 301 are provided with an upward first bending part 302, the middle part of the other edge of the body 301 is provided with a gap part 303, the edges of two ends of the groove 303 are respectively provided with an upward second bending part 304, the lower surface of the body 301 is contacted with the upper surface of the carrier plate 2, the workpiece also comprises a partition plate 4, the lower surface of the partition plate 4 is contacted and connected with the upper surface of the body 301, and the upper surface of the partition plate 4 is higher than the top surface of the first bending part 302 and is contacted and connected with the lower surface of the cover plate 5;
two limiting blocks 16 corresponding to the second bending portions 304 are fixed on the carrier plate 2, and one side surface of each limiting block 16 is in contact connection with the outer side surface of the second bending portion 304.
At least two limiting posts 17 are arranged on the upper surface of the substrate 1 and on one side of the carrier plate 2, and through holes for the limiting posts 17 to be embedded are arranged on the cover plate 5; the partition plate 4 is provided with a notch groove corresponding to the notch 303 of the workpiece 3, so that two protrusions are formed on both sides of the notch groove, and the protrusions are respectively in contact connection with the inner side surface of the second bending portion 304; the limiting column 17 is positioned in the notch groove of the clapboard 4; the partition board 4 is a glass fiber partition board;
the upper end of the connecting portion 6022 of the fixing seat 602 is provided with a groove for the rear end of the seesaw pressing plate 604 to be inserted into, and the rear end of the seesaw pressing plate 604 is inserted into the groove of the connecting portion 6022 and is rotatably connected with the fixing seat 602 through the second rotating shaft 609.
Example 2: a processing jig for a precision metal piece comprises a base plate 1, a support plate 2 and a cover plate 5, wherein the support plate 2 is fixedly arranged on the upper surface of the base plate 1, the upper surface of the support plate 2 is in contact connection with the lower surface of a workpiece 3 to be processed, the cover plate 5 is arranged above the workpiece 3, the workpiece 3 on the lower surface of the cover plate 5 is in press fit connection, a plurality of pressure head mechanisms 6 are arranged at the peripheral edges of the base plate 1, and the pressure head mechanisms 6 are in press fit connection with the top surface of the cover plate 5;
the pressure head mechanism 6 further comprises a fixed plate 601, a fixed seat 602, a push-pull rod 603, a warping pressing plate 604, a pressure head 605 and two connecting rotating plates 614 symmetrically arranged on two sides of the fixed seat 602, wherein one end of the fixed plate 601 is mounted on the substrate 1, a through hole 606 for the push-pull rod 603 to pass through is formed in the other end, away from the substrate 1, of the fixed plate 601, the upper end of the push-pull rod 603 is rotatably connected with the connecting rotating plates 614, and the lower end of the push-pull rod 603 passes through the fixed plate 601 and is connected with a driving assembly 607;
a base part 6021 at the lower end of the fixed seat 602 is fixedly arranged on the upper surface of the fixed plate 601, a connecting part 6022 inclined towards the push-pull rod 603 is connected to the base part 6021, a first rotating shaft 608 penetrating through the connecting part 6022 is arranged at the lower end of the connecting part 6022, a second rotating shaft 609 penetrating through the connecting part 6022 is arranged at the upper end of the connecting part 6022, two ends of the first rotating shaft 608 respectively extend out from two sides of the connecting part 6022 and are respectively connected with the connecting rotating plate 614, and the second rotating shaft 609 is rotatably connected with the tail end of the tilting plate 604;
the connecting rotating plate 614 comprises a first strip-shaped portion 6141 and a second strip-shaped portion 6142, wherein one end of each of the first strip-shaped portion 6141 and the second strip-shaped portion 6142 is connected, so that an acute angle is formed between the first strip-shaped portion 6141 and the second strip-shaped portion 6142, a corner portion 6143 is formed at the connecting position of the first strip-shaped portion 6141 and the second strip-shaped portion 6142, and the corner portions 6143 of the two connecting rotating plates 614 are respectively in rotating connection with two ends of the first rotating shaft 608;
one end, opposite to the corner portion 6143, of each of the two first bar-shaped portions 6141 is rotatably connected with the upper end of the push-pull rod 603 through a third rotating shaft 610, a fourth rotating shaft 611 is connected between one ends, opposite to the corner portion 6143, of the two second bar-shaped portions 6142, the fourth rotating shaft 611 is rotatably connected with the rear end of the pressure head 605, the rear end of the pressure head 605 is provided with a switching portion 6051 extending downwards, the switching portion 6051 is rotatably connected with the middle rear portion of the seesaw plate 604 through a fifth rotating shaft 612, and the lower surface of the front end of the pressure head 605 can be in pressing contact with the upper surface of the seesaw plate 604;
the upper end of the push-pull rod 603 is connected with a fixing block 613, the fixing block 613 is provided with a strip-shaped through hole 6131, the third rotating shaft 610 is embedded into the strip-shaped through hole 6131, two ends of the third rotating shaft 610 respectively extend out of the strip-shaped through hole 6131, and the first strip-shaped parts 6141 of the two connecting rotating plates 614 are respectively connected with two ends of the third rotating shaft 610 in a rotating manner;
the workpiece 3 comprises a body 301, two opposite edges of the body 301 are provided with an upward first bending part 302, the middle part of the other edge of the body 301 is provided with a gap part 303, the edges of two ends of the groove 303 are respectively provided with an upward second bending part 304, the lower surface of the body 301 is contacted with the upper surface of the carrier plate 2, the workpiece also comprises a partition plate 4, the lower surface of the partition plate 4 is contacted and connected with the upper surface of the body 301, and the upper surface of the partition plate 4 is higher than the top surface of the first bending part 302 and is contacted and connected with the lower surface of the cover plate 5;
two limiting blocks 16 corresponding to the second bending portions 304 are fixed on the carrier plate 2, and one side surface of each limiting block 16 is in contact connection with the outer side surface of the second bending portion 304.
The second bending portion 304 is obliquely disposed, and a surface of the stopper 16 contacting the second bending portion 304 is an inclined surface matching with the second bending portion 304; the driving module 607 is a cylinder; the driving unit 607 is mounted on the lower surface of the fixing plate 601;
the two ends of the first rotating shaft 608, the third rotating shaft 610 and the fourth rotating shaft 611 are respectively provided with a limiting clamping piece 615, the limiting clamping pieces 615 are embedded into the grooves at the two ends of the first rotating shaft 608, the third rotating shaft 610 or the fourth rotating shaft 611, and the inner side surface of the limiting clamping pieces 615 is in contact connection with the outer side surface of the connecting rotating plate 614; the separator 4 is an epoxy separator;
the adaptor 6051 at the rear end of the pressing head 605 is two symmetrically arranged adaptor plates, and the warping pressing plate 604 is embedded between the two adaptor plates and is rotatably connected with the two adaptor plates through the fifth rotating shaft 612.
When the processing jig for the precision metal piece is adopted, the pressure head mechanism is ingenious in structural design, double pressure is provided by the warping pressure plate and the pressure head through the linkage effect of a plurality of components, the force and the stability of the warping pressure plate for pressing the cover plate are enhanced, the conditions of shaking, tool vibration, tool lines and the like caused by insufficient clamping force during processing of a workpiece are avoided, and the stability and the quality of processing of the workpiece are improved; the clamping force of the warping pressing plate can be increased under the condition that the driving force provided by the driving assembly is the same, and further, when the length of the warping pressing plate is long, second stress is provided in the middle of the warping pressing plate through the pressing head, so that the warping pressing plate can clamp a cover plate at a far distance with stable and constant pressure, more space is provided for processing a workpiece, multiple processes can be performed on the workpiece at one time, and the processing effect and efficiency of the workpiece are improved; in addition, the maximum angle at which the warping pressing plate can be opened is larger than 90 degrees due to the matching arrangement of the push rod and each structure, so that the clamping of the workpiece is facilitated, clamped articles cannot be damaged, and the stability and the quality of the workpiece processing are further improved;
in addition, through the arrangement of the partition plate, the cover plate with higher hardness is prevented from directly contacting with the workpiece, so that the abrasion of the cover plate on the workpiece is avoided, the force exerted on the cover plate by the pressure head mechanism can be uniformly exerted on the workpiece, and the workpiece is prevented from being damaged due to overlarge local force while the stability of the clamping force on the workpiece is ensured;
in addition, the limiting blocks are arranged to preliminarily fix the workpiece, so that the workpiece is conveniently and accurately positioned, and the limiting columns are arranged to limit the cover plate, so that the cover plate can be quickly and accurately installed; furthermore, the lug is matched with the limiting block, so that accurate positioning is provided for the workpiece, the workpiece is conveniently clamped with high precision, and the machining precision of the workpiece is further ensured.
During the use, promote the push-and-pull rod through drive assembly and shift up, through the conveying of power for the perk clamp plate moves down and pushes down the apron, and drive assembly continues to drive the push-and-pull rod and shifts up after that, through the further conveying of power, makes the pressure head front end compress tightly the perk clamp plate downwards, provides the second stress for the perk clamp plate, has further strengthened the size and the stability of perk clamp plate to the apron pressure.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a processing tool of accurate metalwork which characterized in that: the processing device comprises a base plate (1), a support plate (2) and a cover plate (5), wherein the support plate (2) is fixedly arranged on the upper surface of the base plate (1), the upper surface of the support plate (2) is in contact connection with the lower surface of a workpiece (3) to be processed, the cover plate (5) is arranged above the workpiece (3), the workpiece (3) on the lower surface of the cover plate (5) is in press fit connection, a plurality of pressure head mechanisms (6) are arranged on the peripheral edges of the base plate (1), and the pressure head mechanisms (6) are in press fit connection with the top surface of the cover plate (5);
the pressure head mechanism (6) further comprises a fixing plate (601), a fixing seat (602), a push-pull rod (603), a warping pressing plate (604), a pressure head (605) and two connecting rotating plates (614) symmetrically arranged on two sides of the fixing seat (602), one end of the fixing plate (601) is installed on the substrate (1), a through hole (606) for the push-pull rod (603) to pass through is formed in the other end, away from the substrate (1), of the fixing plate (601), the upper end of the push-pull rod (603) is rotatably connected with the connecting rotating plate (614), and the lower end of the push-pull rod (603) passes through the fixing plate (601) and is connected with a driving assembly (607);
a base part (6021) at the lower end of the fixed seat (602) is fixedly arranged on the upper surface of the fixed plate (601), a connecting part (6022) inclined towards one side of the push-pull rod (603) is connected on the base part (6021), a first rotating shaft (608) penetrating through the connecting part (6022) is arranged at the lower end of the connecting part (6022), a second rotating shaft (609) penetrating through the connecting part (6022) is arranged at the upper end of the connecting part (6022), two ends of the first rotating shaft (608) respectively extend out from two sides of the connecting part (6022) and are respectively connected with the connecting rotating plate (614), and the second rotating shaft (609) is rotatably connected with the tail end of the tilting plate (604);
the connecting rotating plate (614) comprises a first strip-shaped part (6141) and a second strip-shaped part (6142), one end of each of the first strip-shaped part (6141) and the second strip-shaped part (6142) is connected, so that an acute angle is formed between the first strip-shaped part (6141) and the second strip-shaped part (6142), a corner part (6143) is formed at the connection position of the first strip-shaped part (6141) and the second strip-shaped part (6142), and the corner parts (6143) of the two connecting rotating plates (614) are respectively in rotating connection with two ends of the first rotating shaft (608);
one end, opposite to the corner part (6143), of each of the two first strip-shaped parts (6141) is rotatably connected with the upper end of the push-pull rod (603) through a third rotating shaft (610), a fourth rotating shaft (611) is connected between one ends, opposite to the corner part (6143), of the two second strip-shaped parts (6142), the fourth rotating shaft (611) is rotatably connected with the rear end of the pressing head (605), the rear end of the pressing head (605) is provided with a switching part (6051) extending downwards, the switching part (6051) is rotatably connected with the middle rear part of the tilting plate (604) through a fifth rotating shaft (612), and the lower surface of the front end of the pressing head (605) can be in pressing contact with the upper surface of the tilting plate (604);
the upper end of the push-pull rod (603) is connected with a fixed block (613), a strip-shaped through hole (6131) is formed in the fixed block (613), the third rotating shaft (610) is embedded into the strip-shaped through hole (6131), two ends of the third rotating shaft (610) respectively extend out of the strip-shaped through hole (6131), and first strip-shaped parts (6141) of the two connecting rotating plates (614) are respectively in rotating connection with two ends of the third rotating shaft (610);
the workpiece (3) comprises a body (301), two opposite edges of the body (301) are provided with an upward first bending part (302), the middle part of the other edge of the body (301) is provided with a notch part (303), edges at two ends of the groove (303) are respectively provided with an upward second bending part (304), the lower surface of the body (301) is in contact with the upper surface of the carrier plate (2), the workpiece also comprises a partition plate (4), the lower surface of the partition plate (4) is in contact connection with the upper surface of the body (301), and the upper surface of the partition plate (4) is higher than the top surface of the first bending part (302) and is in contact connection with the lower surface of the cover plate (5);
two limiting blocks (16) corresponding to the second bending parts (304) are fixed on the carrier plate (2), and one side surface of each limiting block (16) is in contact connection with the outer side surface of each second bending part (304).
2. The processing jig for the precision metal piece according to claim 1, characterized in that: the upper surface of the base plate (1) and one side of the carrier plate (2) are provided with at least two limiting columns (17), and the cover plate (5) is provided with through holes for embedding the limiting columns (17).
3. The processing jig for the precision metal piece according to claim 1, characterized in that: the partition plate (4) is provided with a notch groove corresponding to the notch part (303) of the workpiece (3), so that two convex blocks are formed on two sides of the notch groove, and the convex blocks are respectively in contact connection with the inner side surface of the second bending part (304).
4. The processing jig for the precision metal piece according to claim 3, characterized in that: the limiting columns (17) are located in the notch grooves of the partition plates (4).
5. The processing jig for the precision metal piece according to claim 1, characterized in that: the second bending part (304) is obliquely arranged, and the surface of the limiting block (16) contacting with the second bending part (304) is an inclined surface matched with the second bending part (304).
6. The processing jig for the precision metal piece according to claim 1, characterized in that: the driving component (607) is a cylinder.
7. The processing jig for the precision metal piece according to claim 1, characterized in that: the driving assembly (607) is arranged on the lower surface of the fixing plate (601).
8. The processing jig for the precision metal piece according to claim 1, characterized in that: the limiting clamping pieces (615) are mounted at two ends of the first rotating shaft (608), the third rotating shaft (610) and the fourth rotating shaft (611), the limiting clamping pieces (615) are embedded into grooves at two ends of the first rotating shaft (608), the third rotating shaft (610) or the fourth rotating shaft (611), and the inner side surfaces of the limiting clamping pieces (615) are in contact connection with the outer side surfaces of the connecting rotating plates (614).
9. The processing jig for the precision metal piece according to claim 1, characterized in that: the partition board (4) is a polyurethane partition board, a glass fiber partition board or an epoxy resin partition board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408407.7A CN113118826A (en) | 2019-12-31 | 2019-12-31 | Processing jig for precise metal piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408407.7A CN113118826A (en) | 2019-12-31 | 2019-12-31 | Processing jig for precise metal piece |
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| Publication Number | Publication Date |
|---|---|
| CN113118826A true CN113118826A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911408407.7A Pending CN113118826A (en) | 2019-12-31 | 2019-12-31 | Processing jig for precise metal piece |
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| Country | Link |
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| CN (1) | CN113118826A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07283174A (en) * | 1994-04-13 | 1995-10-27 | Murata Mfg Co Ltd | Dicing device |
| JP2000225492A (en) * | 1999-02-02 | 2000-08-15 | Mitsubishi Electric Corp | Device for conveying beltlike work |
| CN204935193U (en) * | 2015-08-24 | 2016-01-06 | 上海春田机械有限公司 | Vertical grooving machine back material stopping gripping mechanism |
| CN206982265U (en) * | 2017-05-14 | 2018-02-09 | 赵凯 | A kind of material feed clamping device of short axle |
| CN207205926U (en) * | 2017-08-25 | 2018-04-10 | 东莞市亿厚电子科技有限公司 | The localization tool that a kind of mobile phone battery cover is laterally processed |
| CN207205929U (en) * | 2017-09-15 | 2018-04-10 | 沈阳东友航空技术有限公司 | Hydraulic-driven clamp fixture is used in a kind of pipe fitting processing |
| CN208034169U (en) * | 2018-03-22 | 2018-11-02 | 富士智能机电（珠海）有限公司 | A kind of mirror circle clamp mechanism |
| CN110253310A (en) * | 2018-03-12 | 2019-09-20 | 湖北乾奥建设工程有限公司 | The fast pneumatic clip claw mechanism of accessory building template cutting |
-
2019
- 2019-12-31 CN CN201911408407.7A patent/CN113118826A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07283174A (en) * | 1994-04-13 | 1995-10-27 | Murata Mfg Co Ltd | Dicing device |
| JP2000225492A (en) * | 1999-02-02 | 2000-08-15 | Mitsubishi Electric Corp | Device for conveying beltlike work |
| CN204935193U (en) * | 2015-08-24 | 2016-01-06 | 上海春田机械有限公司 | Vertical grooving machine back material stopping gripping mechanism |
| CN206982265U (en) * | 2017-05-14 | 2018-02-09 | 赵凯 | A kind of material feed clamping device of short axle |
| CN207205926U (en) * | 2017-08-25 | 2018-04-10 | 东莞市亿厚电子科技有限公司 | The localization tool that a kind of mobile phone battery cover is laterally processed |
| CN207205929U (en) * | 2017-09-15 | 2018-04-10 | 沈阳东友航空技术有限公司 | Hydraulic-driven clamp fixture is used in a kind of pipe fitting processing |
| CN110253310A (en) * | 2018-03-12 | 2019-09-20 | 湖北乾奥建设工程有限公司 | The fast pneumatic clip claw mechanism of accessory building template cutting |
| CN208034169U (en) * | 2018-03-22 | 2018-11-02 | 富士智能机电（珠海）有限公司 | A kind of mirror circle clamp mechanism |
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Application publication date: 20210716 |