CN211490551U

CN211490551U - Stable clamping mechanism

Info

Publication number: CN211490551U
Application number: CN201922479229.9U
Authority: CN
Inventors: 詹淳崵; 赵长亮; 蒋燕; 周士升
Original assignee: Suzhou Fengchuan Electronic Technology Co ltd
Current assignee: Suzhou Fengchuan Electronic Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a stable form fixture, set up in two of fixing base both sides and connect the rotor plate including fixed plate, fixing base, push-and-pull rod, stick up clamp plate, pressure head and symmetry, fixed plate one end is installed on the base plate, and it has a through-hole that supplies the push-and-pull rod to pass to open on the other end of base plate is kept away from to this fixed plate, the upper end of push-and-pull rod rotates with being connected the rotor plate and is connected, and the lower extreme of this push-and-pull rod passes the fixed plate and is connected with a drive assembly, the base portion fixed mounting of fixing base lower extreme is in the fixed plate upper surface, be connected with the connecting portion to push-and-pull rod lopsidedness on the base portion, a first pivot of passing. The utility model discloses not only strengthened and stick up dynamics and the stability that the clamp plate pressed to the apron, can also be under the same condition of drive power that drive assembly provided, the dynamics is held to the pressure of clamp plate is stuck up in the increase.

Description

Stable clamping mechanism

Technical Field

The utility model relates to a stable form fixture belongs to the machining field.

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 tool fixture is a component for assisting production and machining, which is very common in the industrial manufacturing industry, and is used for fixing a workpiece to be machined so as to facilitate transportation of the workpiece or a related machining process, and particularly when CNC machining is performed, the workpiece to be machined is required to be clamped and fixed through the tool fixture.

Disclosure of Invention

The utility model aims at providing a stable form fixture, this stable form fixture have not only strengthened perk the clamp plate to the dynamics and the stability that the apron pressure was held, can also be under the same condition of drive power that drive assembly provided, the increase perk the pressure of clamp plate and hold the dynamics.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a stable clamping mechanism comprises a fixed plate, a fixed seat, a push-pull rod, a warping pressing plate, a pressing head and two connecting rotating plates symmetrically arranged on two sides of the fixed seat, wherein one end of the fixed plate is arranged on a 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, a strip-shaped through hole is formed in the fixed block, 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 connected with two ends of the third rotating shaft in a rotating mode.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the driving assembly is an air cylinder.

2. In the above scheme, the driving assembly is mounted on the lower surface of the fixing plate.

3. 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.

4. In the above scheme, the upper end of the connecting part of the fixing seat is provided with a groove for embedding the rear end of the tilting pressing plate, and the rear end of the tilting pressing plate is embedded into the groove on the connecting part and is rotatably connected with the fixing seat through the second rotating shaft.

5. In the above scheme, the switching portion at the rear end of the pressure head is two symmetrically arranged switching plates, and the tilting pressure plate is embedded between the two switching plates and is rotatably connected with the two switching plates through the fifth rotating shaft.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses stable form fixture, its structural design is ingenious, through the linkage effect of a plurality of parts, makes stick up the clamp plate and provide dual pressure with the pressure head, has not only strengthened the dynamics and the stability that stick up the clamp plate and press the article to be pressed, avoids when processing the article to be pressed, because of the clamping dynamics not enough takes place the condition such as shake, shake the sword, production knife line, improves the stability and the quality of pressing the article to be pressed and processing; 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 remote workpiece at stable and constant pressure, more space is provided for processing the 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 pressed article, and can not injure by the article of centre gripping, has further improved the stability and the quality to article processing.

Drawings

Fig. 1 is a structural front view of the stable clamping mechanism of the present invention;

fig. 2 is a schematic structural diagram of a stable clamping mechanism of the present invention;

fig. 3 is a schematic structural diagram of a stable clamping mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

fig. 5 is a schematic diagram of a connecting rotating plate structure of the stable clamping mechanism of the present invention;

fig. 6 is the utility model discloses stable form fixture's fixing base structure sketch map.

In the above drawings: 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. and (6) corner turning.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, 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 referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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 stable clamping mechanism comprises a fixed plate 601, a fixed seat 602, a push-pull rod 603, a warping pressing plate 604, a pressing head 605 and two connecting rotating plates 614 symmetrically arranged at two sides of the fixed seat 602, wherein one end of the fixed plate 601 is arranged on a 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 portions 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 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 piece 615 is 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 piece 615 is in contact connection with the outer side surface of the connecting rotating plate 614.

Example 2: a stable clamping mechanism comprises a fixed plate 601, a fixed seat 602, a push-pull rod 603, a warping pressing plate 604, a pressing head 605 and two connecting rotating plates 614 symmetrically arranged at two sides of the fixed seat 602, wherein one end of the fixed plate 601 is arranged on a 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;

The upper end of the connecting part 6022 of the fixed seat 602 is provided with a groove for the rear end of the seesaw pressing plate 604 to be embedded into, the rear end of the seesaw pressing plate 604 is embedded into the groove on the connecting part 6022 and is rotatably connected with the fixed seat 602 through the second rotating shaft 609;

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 stable clamping mechanism is adopted, the structural design is ingenious, the warping pressing plate and the pressing head provide double pressure through the linkage effect of a plurality of parts, the force and the stability of the warping pressing plate for pressing the pressed object are enhanced, the conditions of shaking, cutter vibrating, knife lines and the like caused by insufficient clamping force during the processing of the pressed object are avoided, and the stability and the quality of the processing of the pressed object 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, 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 distant objects stably and under constant pressure, more space is provided for processing a workpiece to be processed, 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 pressed article, and can not injure by the article of centre gripping, has further improved the stability and the quality to article processing.

When the device is used, the push-pull rod is pushed to move upwards through the driving assembly, the warped pressing plate moves downwards to press a clamped object through force transmission, then the driving assembly continues to drive the push-pull rod to move upwards, and then the warped pressing plate is pressed downwards at the front end of the pressing head through further force transmission, so that second stress is provided for the warped pressing plate, and the stress of the warped pressing plate on the pressed object is further enhanced.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot 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 by the protection scope of the present invention.

Claims

1. The utility model provides a stable form fixture which characterized in that: the device comprises a fixed plate (601), a fixed seat (602), a push-pull rod (603), a warping pressing plate (604), a pressing head (605) and two connecting rotating plates (614) symmetrically arranged at two sides of the fixed seat (602), wherein one end of the fixed plate (601) is installed on a 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 plate (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 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 fixing block (613), a strip-shaped through hole (6131) is formed in the fixing 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 the first strip-shaped portions (6141) of the two connecting rotating plates (614) are respectively connected with two ends of the third rotating shaft (610) in a rotating mode.

2. The stable clamping mechanism of claim 1, wherein: the driving component (607) is a cylinder.

3. The stable clamping mechanism of claim 1, wherein: the driving assembly (607) is arranged on the lower surface of the fixing plate (601).

4. The stable clamping mechanism of claim 1, wherein: 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).

5. The stable clamping mechanism of claim 1, wherein: the upper end of the connecting part (6022) of the fixed seat (602) is provided with a groove for embedding the rear end of the tilting pressure plate (604), and the rear end of the tilting pressure plate (604) is embedded into the groove on the connecting part (6022) and is rotatably connected with the fixed seat (602) through the second rotating shaft (609).

6. The stable clamping mechanism of claim 1, wherein: the adapter plate that the switching portion (6051) of pressure head (605) rear end set up for two symmetries, stick up between this two adapter plates clamp plate (604) embedding, and through fifth pivot (612) and two adapter plates rotate to be connected.