CN212145404U

CN212145404U - Clamping mechanism

Info

Publication number: CN212145404U
Application number: CN202020601751.XU
Authority: CN
Inventors: 胡建琼; 刘志刚
Original assignee: CHENGDU VISTA CNC MANUFACTURE CO LTD
Current assignee: CHENGDU VISTA CNC MANUFACTURE CO LTD
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-15
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a clamping mechanism relates to machine tooling centre gripping technical field, and it mainly includes the erection column and sets up at the erection column with the unit and the dark stop iron unit of rail that compress tightly at one side both ends, compress tightly that unit slidable ground sets up on the erection column and can slide towards dark stop iron unit one side of rail, the dark stop iron unit of rail includes positioning seat, baffle casing and installs the clamping component in the baffle casing. The utility model discloses a setting compresses tightly the unit and the dark fender iron unit of rail, can prevent that steel or panel from appearing when the centre gripping to compressing tightly the phenomenon that unit or the dark fender iron unit one side squinted or removed of rail to clamping assembly in the dark fender iron unit of rail can prevent that steel or panel from appearing when the centre gripping to the perpendicular bisector direction one side squint or the phenomenon of removal of compressing tightly the unit and the dark fender iron unit line of rail, can realize steel or panel stable and reliable clamping action.

Description

Clamping mechanism

Technical Field

The utility model relates to a machine tooling centre gripping technical field specifically is a clamping mechanism for steel milling process is related to.

Background

At present, a common clamp cannot adapt to the situation that the size and the wall thickness of large-size steel or plate are relatively large due to the large wall thickness of the large-size steel or plate, and clamping slipping or instability is very easy to occur, so that a clamping mechanism with stable and reliable clamping needs to be designed to deal with the unstable clamping phenomenon of the existing steel or plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable and reliable clamping mechanism of centre gripping.

The utility model aims at realizing through the following technical scheme: a clamping mechanism comprises an installation column, and a pressing unit and a rail deep iron blocking unit which are arranged at two ends of the same side of the installation column, wherein the pressing unit is slidably arranged on the installation column and can slide towards one side of the rail deep iron blocking unit, the rail deep iron blocking unit comprises a positioning seat, a baffle shell and a clamping assembly arranged in the baffle shell, the positioning seat is fixed on the side wall of the installation column, swing arms are hinged at two sides of the positioning seat, the clamping assembly comprises a telescopic cylinder, a bent arm and a clamping rod, the clamping rod is fixed between the swing arms at two sides, the cylinder end of the telescopic cylinder is hinged on the side wall of the installation column, the piston end of the telescopic cylinder is hinged with one end of the bent arm, the other end of the bent arm is fixedly connected with the middle part of the clamping rod, the lower part of the baffle shell is positioned at one side of the telescopic cylinder far away from the installation column, the lower part of the baffle shell is fixedly, and the upper part of the baffle shell is provided with a clamping plate head which forms a clamping gap with the clamping rod.

Further, compress tightly the unit and include slide and expansion bend, the lateral wall sliding fit of slide one side and erection column, the stiff end and erection column upper portion or the top fixed connection of expansion bend, the flexible end and the slide upper portion of expansion bend are connected and can promote the slide and slide towards splint head one side, the clamp plate of just right splint head is installed to the bottom of slide.

Further, the dark stop iron unit of rail still includes drive assembly, and drive assembly includes drive motor and a plurality of transfer roller, and a plurality of transfer rollers all rotationally install on the lateral wall of erection column through the roller, and a plurality of transfer rollers arrange side by side between positioning seat and clamping bar along clamping bar length direction, drive motor fixes on the erection column, and drive motor's output all links through belt pulley assembly with the roller of all transfer rollers.

Furthermore, a positioning cover for positioning the conveying assembly is fixed on the positioning seat.

The embodiment of the utility model provides a clamping mechanism has beneficial effect is:

1. the pressing unit and the rail deep iron blocking unit are arranged, so that the phenomenon that steel or plates deviate or move to one side of the pressing unit or the rail deep iron blocking unit when clamped can be prevented, and the phenomenon that the steel or plates deviate or move to one side of the perpendicular bisector direction of a connecting line of the pressing unit and the rail deep iron blocking unit when clamped can be prevented by the clamping assembly in the rail deep iron blocking unit, so that stable and reliable clamping action on the steel or plates can be realized;

2. through set up drive assembly in the dark stop iron unit of rail, can carry out the pay-off after steel or panel processing to get into next duty cycle, improved the efficiency of production and processing greatly.

Drawings

Fig. 1 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the clamping mechanism of FIG. 1;

FIG. 3 is a schematic view of the clamping mechanism of FIG. 2 with the flapper housing removed;

FIG. 4 is a schematic view of the clamping mechanism of FIG. 2 with the flapper housing and retaining cap removed.

The labels in the figure are: 1-mounting a column; 2-a compacting unit; 3-connecting the plates; 4, sliding plates; 5-a slide rail plate; 6-rail deep stop iron unit; 21-a retractor; 22-a slide; 23-a platen; 61-a baffle housing; 62-a clamping plate head; 63-positioning seat; 64-swing arm; 65-a clamping assembly; 66-positioning the cover; 67-a transmission assembly; 651-telescoping cylinder; 652-bent arm; 653-clamping bar; 671-drive motor; 672-a pulley assembly; 673-roller shaft; 674-transfer roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The terms "substantially", "essentially", and the like are intended to indicate that the relative terms are not required to be absolutely exact, but may have some deviation. For example, "substantially parallel" does not merely mean absolute parallelism, and there is generally a certain deviation because absolute parallelism is difficult to achieve in actual production and operation. Therefore, "substantially parallel" includes the case where there is a certain deviation as described above, in addition to the absolute parallel.

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be connected internally or indirectly. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 to 4, the clamping mechanism provided in the present embodiment can be used in a horizontal state, a vertical state, and an inclined state, and the present embodiment is mainly described in the vertical state. It includes erection column 1 and sets up the unit 2 and the dark stop iron unit 6 of rail that compress tightly at same one side both ends of erection column 1, compress tightly unit 2 and include slide 22 and expansion bend 21, slide 22 one side and the lateral wall sliding fit of erection column 1, sliding fit's mode can be realized with the form of slide and slide, can also adopt the form of spout and pulley to realize, can also be the form of slide and spout to realize, and here adopts the form of slide 5 and slide 22, slide 5 is fixed on the erection column 1 lateral wall and is arranged along erection column 1 length direction, slide 5 is as the slide rail, slide 22's inboard both ends realize sliding connection through the form of spout (T type groove or dovetail) with slide 5 both sides respectively, thereby reach slide 22 free gliding purpose on slide 5.

The fixed end of the expansion piece 21 is fixedly connected with the connecting plate 3 at the top of the mounting column 1, and the connecting plate 3 is fixed with the rest supports of the sliding plate 4 in sliding connection, so that the aim that the whole mounting column 1 can slide is fulfilled. The telescopic end of the telescopic device 21 is connected with the upper part of the sliding seat 22 and can push the sliding seat 22 to slide towards one side of the rail deep iron blocking unit 6 along the side wall of the mounting column 51, wherein the telescopic device 21 can be any one of the forms of an electric telescopic rod, a telescopic oil cylinder, a telescopic air cylinder, a motor matching belt pulley assembly and a motor matching screw rod transmission mechanism, the form of the hydraulic oil cylinder is preferred, and stable and sufficient pressing force can be achieved. The slide 22 is close to one side of deep stop iron unit 6 of rail, namely the bottom side installs clamp plate 23, clamp plate 23 lower surface processing presses the mouth, the longitudinal section shape of pressing the mouth is triangle-shaped, this pressure mouth accessible is one-time manufacturing shaping on clamp plate 23, also can be that a longitudinal section is the rectangular bar and a longitudinal section is the triangle-shaped bar and corresponds the face and splice each other and form, when expansion bend 21 extension and drive slide 22 and slide down, clamp plate 23 press the mouth with steel or panel side edge surface chucking each other in order to prevent it to appear vertical direction and ascending displacement, thereby guarantee steel or panel processing's stability.

The rail depth stop iron unit 6 can fix the lower side edge surface of steel or plate, prevent vertical and downward displacement and horizontal displacement, and can stably and firmly clamp the whole steel or plate by matching with the pressing unit 2. Specifically, the rail depth stop iron unit 6 comprises a positioning seat 63, a baffle shell 61 and a clamping assembly 65 installed in the baffle shell 61, wherein the cross section of the positioning seat 63 is approximately U-shaped, the middle part of the positioning seat 63 is fixed on the inner side wall of the mounting post 1 through a fastener (bolt) or welding, two sides (ends) of the positioning seat 63 are extended towards one side far away from the mounting post 1, and the two sides (ends) are distributed along the vertical direction (left and right direction) of the sliding direction of the pressing unit 2, the left and right sides of the positioning seat 63 are respectively hinged with a swing arm 64 capable of rotating towards one side far away from the mounting post 1, the clamping assembly 65 comprises a telescopic cylinder 651, a bent arm 652 and a clamping rod 653, the clamping rod 653 is fixed between the swing arms 64 at the two sides, the length direction of the clamping rod 653 is arranged along the left and right direction of the positioning seat 63, the telescopic cylinder 651 is in the form of an oil cylinder, the cylinder, the piston end of the telescopic cylinder 651 is hinged to one end of the bent arm 652, the bent arm 652 can be in a single form, or can be in a combined form that two or more bent arms are parallel to each other and fixed to each other through a short shaft, the bent arm 652 here is in a form that two bent arms are parallel to each other and fixed through a short shaft, that is, the whole bent arm 652 is in a general U shape, the piston end of the telescopic cylinder 651 is hinged to the short shaft in the middle of the bent arm 652 in a shaft hole sleeving manner, two end portions of the bent arm 652 are fixedly connected to the middle of the clamping rod 653, and the fixed connection manner is preferably welding. The longitudinal section of the baffle shell 61 is roughly L-shaped, the baffle shell 61 is positioned on one side of the telescopic cylinder 651 far away from the mounting column 1, the lower transverse supporting beam of the baffle shell 61 is fixedly screwed or welded with the side wall of the mounting column 1, the upper vertical supporting beam of the baffle shell 61 is positioned on one side of the clamping rod 653 far away from the mounting column 1, and the top of the baffle shell 61 is provided with a clamping plate head 62 which forms a clamping gap with the clamping rod 653. The clamp plate head 62 is located under the clamp plate 23, the clamp plate head 62 is detachably fixed at the top of the baffle shell 61 through a bolt, the clamp plate head 62 and the clamp rod 653 are located on the same horizontal working surface, when the telescopic cylinder 651 retracts, the clamp rod 653 can approach the clamp plate head 62 and narrow a material clamping gap, so that the lower side edge of steel or a plate is clamped, and the steel or the plate is prevented from being displaced in a vertical downward direction and in a transverse direction.

In order to enable the processed steel material to continue to be fed for the next process or the next work cycle, the rail depth stop iron unit 6 further comprises a transmission assembly 67, the transmission assembly 67 comprises a transmission motor 671 and a plurality of transmission rollers 674, the transmission rollers 674 are rotatably mounted on the side wall of the mounting column 51 through a roller shaft 673 and a bearing assembly, the transmission rollers 674 are uniformly arranged between the positioning seat 63 and the clamping rod 653 side by side along the length direction of the clamping rod 653, preferably, the number of the transmission rollers 674 is three, and the three transmission rollers 674 are located between the swing arms 64 on the two sides. The transmission motor 671 is fixed on the mounting column 1 through a side plate, an output shaft of the transmission motor 671 is linked with the roller shafts 673 of all the conveying rollers 674 through a belt pulley component 672, the belt pulley component 672 can be in a mode that a driving wheel and all driven wheels are sleeved with a belt, or all the driven wheels are in a mode that one or more belts are used for transmission, and one of the driven wheels is in a belt transmission mode with the driving wheel. The control motor 671 is activated to drive all the conveyor rollers 674 synchronously and in the same direction, so that the feeding is continued on one longitudinal side of the steel or plate material clamping gap (clamping rod 653). In order to ensure the transmission reliability and the installation stability of the belt pulley assembly 672, a positioning cover 66 for positioning and conveying the assembly 67 is fixed on the side wall of one side of the positioning seat 63 far away from the mounting column 1 through bolts, the positioning cover 66 is in a rough U shape, a cavity matched with the conveying roller 674 and the roller 673 in a row and combined manner is processed on the side wall of one side of the positioning seat close to the mounting column 1, and a cavity matched with the belt pulley assembly 672 in a row and combined manner is processed on the side wall of the other side.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted to avoid unnecessarily limiting the invention.

Claims

1. A clamping mechanism, characterized by: the installation column comprises an installation column, and a pressing unit and a rail deep iron blocking unit which are arranged at two ends of the same side of the installation column, wherein the pressing unit is slidably arranged on the installation column and can slide towards one side of the rail deep iron blocking unit, the rail deep iron blocking unit comprises a positioning seat, a baffle shell and a clamping assembly arranged in the baffle shell, the positioning seat is fixed on the side wall of the installation column, swing arms are hinged at two sides of the positioning seat, the clamping assembly comprises a telescopic cylinder, a bent arm and a clamping rod, the clamping rod is fixed between the swing arms at two sides, the cylinder end of the telescopic cylinder is hinged on the side wall of the installation column, the piston end of the telescopic cylinder is hinged with one end of the bent arm, the other end of the bent arm is fixedly connected with the middle part of the clamping rod, the lower part of the baffle shell is positioned at one side of the telescopic cylinder far away from the installation column, the lower part of, and the upper part of the baffle shell is provided with a clamping plate head which forms a clamping gap with the clamping rod.

2. The clamping mechanism of claim 1, wherein: compress tightly the unit and include slide and expansion bend, the lateral wall sliding fit of slide one side and erection column, the stiff end and erection column upper portion or the top fixed connection of expansion bend, the flexible end and the slide upper portion of expansion bend are connected and can promote the slide and slide towards splint head one side, the clamp plate of just facing the splint head is installed to the bottom of slide.

3. The clamping mechanism of claim 1, wherein: the dark stop iron unit of rail still includes transmission assembly, and transmission assembly includes drive motor and a plurality of transfer roller, and a plurality of transfer rollers all rotationally install on the lateral wall of erection column through the roller, and a plurality of transfer rollers arrange side by side between positioning seat and clamping bar along clamping bar length direction, drive motor fixes on the erection column, and drive motor's output all links through the belt pulley subassembly with the roller of all transfer rollers.

4. The clamping mechanism of claim 3, wherein: and a positioning cover for positioning the conveying assembly is fixed on the positioning seat.