Automatic holding rotating mechanism

Abstract

The utility model relates to the technical field of automation equipment, in particular to an automatic clasping rotating mechanism which comprises a mounting frame and a driving part fixed on the mounting frame, a chuck assembly used for clamping a product is arranged at the front end of the mounting frame, and the driving piece is in power transmission with the chuck assembly through a transmission structure. Wherein a mounting plate is further detachably connected to the rear side of the mounting frame, the pushing part is used for controlling the chuck assembly to conduct clamping action, the driving part is used for driving the chuck assembly to rotate in the circumferential direction, and therefore the whole chuck assembly can tightly hold a product and control rotation of the product; the fixing requirements of circular, rhombic and cylindrical products can be met, and the compatibility of the types of processed products is improved; the precision required by feeding of an automatic manipulator is reduced, and a good foundation is laid for full-automatic production; and the automatic production of the products becomes feasible.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic equipment technical field especially relates to a kind of automatic embrace and rotate mechanism. BACKGROUND

[0002] In the field of automation processing, the clamping technology of product is a key link, directly affects the efficiency and accuracy of processing. At present, the common clamping mode mainly has two kinds of vacuum adsorption and cylinder clamping. Vacuum adsorption forms vacuum between clamping surface and product surface, generates adsorption force to fix product, and cylinder clamping is clamped from both sides by the push-pull movement of cylinder. These traditional clamping technologies meet the market demand to some extent.

[0003] But with the development of science and technology and market diversification, new product forms such as round piece, square piece, rhombus and cylinder emerge in the market, and these products have different shapes and sizes, which puts forward higher requirements for clamping technology. Due to the limitation of design, the traditional fixing mechanism can only be applied to products with specific shape and size, and has poor adaptability to new products. This not only limits production efficiency, but also is difficult to meet the market demand for diversified products, seriously affecting the development of related industries.

[0004] Therefore, in order to improve the clamping adaptability of existing products, an automatic embrace and rotate mechanism is proposed. SUMMARY

[0005] The utility model aims at solving the shortcoming that traditional fixing mechanism can only be applied to products with specific shape and size in prior art, and proposes an automatic embrace and rotate mechanism.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An automatic embrace and rotate mechanism is designed, which comprises:

[0008] A mounting frame and a driving member fixed on the mounting frame;

[0009] The front end of the mounting frame is provided with a chuck assembly for clamping product, and the driving member is power transmission with the chuck assembly through transmission structure;

[0010] Wherein, the rear side of the mounting frame is also detachably connected with a mounting plate, the mounting plate is provided with a pusher for controlling the clamping action of the chuck assembly, and the pusher is detachably connected with the chuck assembly.

[0011] Further, the chuck assembly comprises a main shaft rotatably connected in the mounting frame, and the front end of the main shaft is fixedly connected with a sleeve;

[0012] Wherein the inner side of the main shaft is provided with a movable cavity, the inner side of the movable cavity is movably connected with a movable plate, the end face of the movable plate is fixedly connected with a chuck, and the chuck is located on the inner side of the sleeve.

[0013] Further, the transmission structure comprises pulleys fixed on the outer side of the main shaft and the shaft end of the driving member, and the two pulleys are driven by a synchronous belt.

[0014] Further, an opening is formed in the top of the mounting frame for the synchronous belt to pass through;

[0015] Wherein the outer side of the pulley of the driving member is fixedly installed with a detection block, and the top of the mounting frame is fixedly installed with a home switch matched with the detection block.

[0016] Further, a control rod is fixedly connected to the back end of the movable plate, and the control rod is circumferentially locked with the main shaft;

[0017] Wherein the connecting structure is arranged between the pushing member and the control rod.

[0018] Further, the connecting structure comprises a stepped portion fixed on the shaft end of the pushing member, a groove is formed in the end of the control rod, the stepped portion is movably inserted into the groove, and a locking member is arranged on the outer side of the control rod for stopping the side of the stepped portion.

[0019] Further, a plurality of rod members are fixedly connected to the back end of the mounting frame, the tail end of the rod member has an inwardly recessed portion, the inwardly recessed portion is inserted into the mounting plate, and a positioning glass bead is arranged on the outer side of the inwardly recessed portion and stops at the back end of the mounting plate.

[0020] Further, the rod member is a threaded rod, and the front end of the threaded rod is threadedly connected with the mounting frame.

[0021] The automatic holding and rotating mechanism has the beneficial effects that: in the automatic holding and rotating mechanism, the pushing member is used to control the clamping action of the chuck assembly, the driving member is used to drive the chuck assembly to rotate circumferentially, so that the holding and rotating control of the entire chuck assembly on the product is realized, the fixing requirements of circular, diamond and cylindrical products are met, the compatibility of the processed product types is improved, the precision required for the automatic mechanical hand feeding is reduced, a good foundation is laid for full automation production, the automation production of these products becomes feasible, personnel configuration is reduced, production cost is reduced, work efficiency and product yield are improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of the utility model.

[0023] Figure 2 is a top view of the utility model;

[0024] Figure 3 is a sectional view structure schematic view of the utility model;

[0025] Figure 4 is a rod structure schematic view of the utility model.

[0026] In the figure: 1, mounting frame;11, rod;12, inner shrink part;13, positioning glass bead;2, driving part;3, product;4, chuck assembly;41, main shaft;42, sleeve;43, movable cavity;44, movable plate;45, chuck;46, control rod;47, locking part;5, transmission structure;51, synchronous belt;52, detection block;53, original point switch;6, mounting plate;7, pushing part;71, ladder section. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Referring to Figures 1-4 For an embodiment of the utility model, it discloses an automatic holding rotating mechanism, specifically the holding rotating mechanism comprises mounting frame 1 and driving part 2 fixed on the mounting frame 1, as preferred, the driving part 2 in the embodiment is set as a servo motor, the servo motor can be connected above the mounting frame 1 through bolts and other fasteners;

[0029] The front end of the mounting frame 1 is provided with a chuck assembly 4 for clamping a product 3, and the driving part 2 is power transmission with the chuck assembly 4 through a transmission structure 5.

[0030] Among them, the mounting plate 6 can be detachably connected to the rear side of the mounting frame 1, the mounting plate 6 is provided with a pushing part 7 for controlling the chuck assembly 4 to clamp, and the pushing part 7 is detachably connected with the chuck assembly 4, that is, the pushing part 7 is used to control the chuck assembly 4 to clamp in the embodiment, and the driving part 2 is used to drive the chuck assembly 4 to rotate circumferentially, so as to realize the holding and rotating control of the chuck assembly 4 to the product 3.

[0031] In some embodiments, the chuck assembly 4 in the utility model comprises a main shaft 41 rotatably connected in the mounting frame 1, and the front end of the main shaft 41 is fixedly connected with a sleeve 42.

[0032] The inner side of the main shaft 41 is provided with a movable cavity 43, the inner side of the movable cavity 43 is movably connected with a movable plate 44, the end face of the movable plate 44 is fixedly connected with a chuck 45, the chuck 45 is located on the inner side of the sleeve 42, and specifically, the chuck 45 in the embodiment includes a tubular portion and a plurality of clamping claws formed at the end of the tubular portion, the end of the clamping claw is wedge-shaped, so as to abut against the inner wall of the sleeve 42 during linear movement, so as to generate deformation for clamping, and the specific structure and principle are the routine means of the person skilled in the art, which will not be described here.

[0033] On the basis of the above embodiment, the transmission structure 5 in the embodiment includes a belt pulley fixed on the outer side of the main shaft 41 and the shaft end of the driving member 2, and the two belt pulleys are driven through a synchronous belt 51.

[0034] In addition, an opening is formed in the top of the mounting frame 1 for the synchronous belt 51 to pass through;

[0035] The outer side of the belt pulley of the driving member 2 is fixedly provided with a detection block 52, and the top of the mounting frame 1 is fixedly provided with an origin switch 53 matched with the detection block 52.

[0036] That is, when rotating, the chuck assembly 4 is driven by the pushing member 7 to clamp and fix the product 3, and then the main shaft 41 is rotated by the driving member 2 through the belt pulley and the synchronous belt 51 to realize the action of holding and rotating, so as to realize the convenient processing of the product 3, meet the fixing requirements of circular, diamond and cylindrical products, and the origin switch 53 is arranged to detect the position of the detection block 52, so as to realize the detection of the circumferential position and improve the accuracy of the processing position control. Specifically, the detection block 52 in the embodiment is an iron block, and the origin switch 53 is a U-shaped proximity switch.

[0037] Further, the control rod 46 is fixedly connected to the back end of the movable plate 44 in the embodiment, and the control rod 46 is circumferentially locked with the main shaft 41. Specifically, the control rod 46 in the embodiment can be a rectangular rod, which can keep the chuck 45 and the main shaft 41 synchronous rotation through the structure design of the rectangular rod. In addition, the control rod 46 can also be freely moved transversely to realize the position control of the chuck 45.

[0038] The pushing member 7 and the control rod 46 are provided with a connecting structure.

[0039] That is, in the clamping action, the control rod 46 is driven to move by the pusher 7, the control rod 46 drives the movable plate 44 to move linearly, and the collet 45 is driven to move, when the collet 45 moves in the sleeve 42, because the outer side of the collet 45 is provided with a wedge-shaped part, after the resistance, the wedge-shaped part is deformed and shrunk to achieve clamping of the product 3.

[0040] On the basis of the above-mentioned embodiment, the connecting structure in the embodiment includes a ladder part 71 fixed on the shaft end of the pusher 7, the end of the control rod 46 is provided with a groove, the ladder part 71 is movably inserted into the groove, the outer side of the control rod 46 is provided with a locking piece 47 for stopping the side of the ladder part 71, and specifically, the locking piece 47 in the embodiment is provided as a bolt, the bolt is threadedly connected with the control rod 46, and simultaneously abuts against the side of the ladder part 71, so that the axial position connection of the control rod 46 and the pusher 7 is achieved, and the pusher 7 in the embodiment is provided as a pneumatic cylinder, and the detachable structure design is adopted to facilitate the convenient assembly and disassembly and maintenance of the pneumatic cylinder.

[0041] Of course, in order to achieve convenient installation and maintenance of the pusher 7, the back end of the mounting frame 1 is fixedly connected with a plurality of rod members 11 in the embodiment, the tail end of the rod member 11 has an inner retracted part 12, the inner retracted part 12 is inserted into the mounting plate 6, and a positioning glass bead 13 is further arranged on the outer side of the inner retracted part 12 and abuts against the back end of the mounting plate 6, and further, the pusher 7 is fixedly connected with the mounting plate 6 by a bolt in the embodiment, when the pusher 7 needs to be disassembled, the locking piece 47 is first unlocked, then the telescopic end of the positioning glass bead 13 is pressed, the mounting plate 6 is pulled outwards to be separated from the rod member 11, and specifically, the rod member 11 in the embodiment is arranged in a matrix of four.

[0042] In addition, in order to adjust the front and rear installation positions of the pusher 7, the rod member 11 is a threaded rod in the embodiment, and the front end of the threaded rod is threadedly connected with the mounting frame 1, that is, the front and rear positions of the pusher 7 can be adjusted by adopting the bolt adjustment installation mode in the embodiment, so as to improve the convenience of assembly.

[0043] In summary, the utility model discloses a pusher 7 is used for controlling the chuck assembly 4 to carry out the clamping action, and the driving element 2 is used for driving the chuck assembly 4 to rotate circumferentially, so as to realize the holding and rotation control of the whole chuck assembly 4 to the product 3, can satisfy the fixing demand of circular, diamond product, cylindrical product, improves the compatibility of processing product type, and reduces the precision required for the automatic mechanical hand feeding, lays a good foundation for full automation production, makes the automation production of these products feasible, so as to realize the reduction of personnel configuration, reduces production cost, improves work efficiency and product yield.

[0044] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, carries out equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. An automatic hug and spin mechanism, characterized by, The utility model relates to a kind of product clamping device, including: Mounting frame (1) and driving element (2) fixed on the mounting frame (1); The front end of the mounting frame (1) is provided with a chuck assembly (4) for clamping product (3), and the driving element (2) is power transmission with the chuck assembly (4) by transmission structure (5); Wherein detachably connected with mounting plate (6) is further provided on the rear side of the mounting frame (1), the mounting plate (6) is provided with a pusher (7) for controlling the chuck assembly (4) to carry out clamping action, and the pusher (7) is detachably connected with the chuck assembly (4).

2. The automatic hug and spin mechanism of claim 1, wherein: The chuck assembly (4) includes a main shaft (41) rotatably connected in the mounting frame (1), and the front end of the main shaft (41) is fixedly connected with a sleeve (42); Wherein the inside of the main shaft (41) is provided with a movable cavity (43), and the inside of the movable cavity (43) is movably connected with a movable plate (44), and the end face of the movable plate (44) is fixedly connected with a chuck (45), and the chuck (45) is located in the inside of the sleeve (42).

3. A self-hugging rotation mechanism according to claim 2, wherein: The transmission structure (5) includes a belt pulley fixed on the outside of the main shaft (41) and the shaft end of the driving element (2), and the two belt pulleys are driven by a synchronous belt (51).

4. The automatic hug and spin mechanism of claim 3, wherein: An opening is formed in the top of the mounting frame (1) for the synchronous belt (51) to pass through; Wherein the detection block (52) is fixedly installed outside the belt pulley of the driving element (2), and the origin switch (53) matched with the detection block (52) is fixedly installed on the top of the mounting frame (1).

5. The automatic hug and spin mechanism of claim 2, wherein: A control rod (46) is fixedly connected to the back end of the movable plate (44), and the control rod (46) is circumferentially locked with the main shaft (41); Wherein the pusher (7) and the control rod (46) are provided with a connecting structure.

6. A self-hugging rotation mechanism according to claim 5, wherein: The connecting structure includes a ladder section (71) fixed to the shaft end of the pusher (7), a recess is formed in the end of the control rod (46), the ladder section (71) is movably inserted into the recess, and a locking member (47) is provided on the outside of the control rod (46) for stopping the side of the ladder section (71).

7. A self-hugging rotation mechanism according to any one of claims 1 to 6, wherein: The back end of the mounting frame (1) is fixedly connected with a plurality of rod members (11), the tail end of the rod member (11) has an inwardly recessed portion (12), wherein the inwardly recessed portion (12) is inserted into the mounting plate (6), and a positioning glass bead (13) is further provided on the outside of the inwardly recessed portion (12) to stop at the back end of the mounting plate (6).

8. A self-hugging rotation mechanism according to claim 7, wherein: The rod member (11) is a threaded rod, and the front end of the threaded rod is threadedly connected with the mounting frame (1).

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