CN216607516U

CN216607516U - Novel internal expanding type clamp for machining gear of robot gear box

Info

Publication number: CN216607516U
Application number: CN202123313328.3U
Authority: CN
Inventors: 李小龙; 陆斌; 钱岳春
Original assignee: Jiangsu Yipp Industrial Automation Systems Co ltd
Current assignee: Jiangsu Yipp Industrial Automation Systems Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-27
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a novel inner expansion type clamp for machining a gear of a robot gear box, which comprises a stability increasing mechanism and a gear disc expansion mechanism, wherein the stability increasing mechanism comprises a protective outer frame erected on the end heads of two sides of the gear, a guide groove arranged in the inner cavity of the protective outer frame, a pushing clamping plate arranged in the inner side of the guide groove and an elastic piece movably arranged on the pushing clamping plate. Through setting up a plurality of fasteners that can freely extend and contract according to toothed disc inner chamber shrinkage pool, and set up trapezoidal thread at the inboard middle part of fastener, set up the recess of adaptation packing ring at its inboard both ends simultaneously, combine the extensible member of installing in the recess of packing ring both ends to the fastener towards the traction of packing ring, and the adaptation nature of toper fluted disc to the inboard trapezoidal thread of a plurality of fasteners is expanded progressively, with this can make this mechanism's subassembly can carry out comprehensive fastening pressure boost to the inner wall of toothed disc inner chamber shrinkage pool, in order to ensure vertical gear's stability.

Description

Novel internal expanding type clamp for machining gear of robot gear box

Technical Field

The utility model relates to the technical field of gear clamps, in particular to a novel internal expansion type clamp for machining a gear of a robot gear box.

Background

An industrial robot is a multi-joint manipulator or a multi-degree-of-freedom machine device oriented to the industrial field, and is a machine which can automatically execute work and realize various functions by means of self power and control capability. The four-shaft industrial machine controls four degrees of freedom by combining four joints in series, each joint needs a gear box for transmission, and gears in the gear boxes of the four-shaft industrial machine need to be clamped by a clamp in the machining process.

At present, gears in a four-axis robot gear box need to be fixed through a special internal expanding clamp before manufacturing, but the internal expanding clamp adopted nowadays is difficult to reach effective supercharging and positioning for the inner end and the outer end of the gear processed in a vertical state.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve one of the technical problems occurring in the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

the utility model provides a robot gear box gear machining is with novel interior expanding anchor clamps, including increasing steady mechanism and the tight mechanism of gear plate bloated, increase steady mechanism including erect the protection frame on the gear both sides end, set up in the guiding groove of protection frame inner chamber is placed in place the inboard propulsion splint of guiding groove and movable mounting are connected the tight mechanism of gear plate bloated in the steady mechanism of increasing, and the tight mechanism of gear plate bloated includes movable mounting and advances fastener on the splint, connect inboard toper fluted disc of fastener, install the cross-bar at toper fluted disc middle part is connected at the pad spare at cross-bar both ends, is located outside packing ring of cross-bar and install the extensible member on the packing ring.

Through adopting above-mentioned technical scheme, when using, operating personnel need take out two protection frames wholly along the fastener outside that is the annular and distributes to in inserting the annular mechanism that a plurality of fasteners are constituteed into the hole at gear middle part, then dock two protection frames along the arch of gear both sides port again, and carry out the activity butt joint with corresponding fastener with a plurality of propulsion splint of protection frame inside.

The present invention in a preferred example may be further configured to: the cross section of the protective outer frame is L-shaped, and the inner wall of the protective outer frame is provided with a plurality of rectangular notches.

Through adopting above-mentioned technical scheme, the utilization will protect the whole setting of frame and can dismantle, and to the L shape of gear both sides port mechanical energy butt joint to this both ends that can carry out synchronous pressure boost atress to the gear are effectively fixed after guaranteeing the local atress of gear.

The present invention in a preferred example may be further configured to: the propelling clamping plate is formed by combining two long strip plates and two short plates with the same thickness and two thinner inclined plates, and the outer ends of the long strip plates and the short plates are respectively matched with the rectangular notches on the inner wall of the protective outer frame.

Through adopting above-mentioned technical scheme, utilize the movable mounting of rectangular board, short slab and two thinner slats, receive the outside extension effort influence of fastener under, impel splint whole this moment and compress tightly fixedly to the outer wall of gear both sides port.

The present invention in a preferred example may be further configured to: the elastic piece is composed of a rectangular base plate and a spring, and the rectangular base plate is arranged on the strip plate in the protective outer frame.

Through adopting above-mentioned technical scheme, utilize at the mid-mounting elastic component of rectangular slab to utilize the rectangle spout of protection frame inner chamber to the spacing of rectangular backing plate in the elastic component, with this can make to impel splint to resume initial condition fast under the condition of not having the atress.

The present invention in a preferred example may be further configured to: the inboard both ends of fastener are seted up the arc recess of symmetric distribution, and the hole that adapts to the extensible member bottom is seted up to the inner wall of arc recess, trapezoidal thread has been seted up at the inboard middle part of fastener.

Through adopting above-mentioned technical scheme, utilize the inboard both ends of fastener are seted up the adaptation packing ring and are carried out the arc recess that extends to utilize the sub-pole of T font and female pole to pull the volume of fastener and packing ring respectively fixedly in the extensible member, can make a plurality of fasteners can carry out safe extension and shrink along the outer wall of packing ring with this.

The present invention in a preferred example may be further configured to: the length of the protrusion of the cross rod penetrating through the larger side of the diameter of the conical fluted disc is half of the length of the protrusion penetrating through the smaller side of the diameter of the conical fluted disc.

Through adopting above-mentioned technical scheme, be the trapezoidal font according to toper fluted disc self, and the different footpaths in toper fluted disc both ends are long to the threaded connection of the inboard middle part trapezoidal thread of a plurality of fasteners to this runs through the crossbar to the both ends length of toper fluted disc and carries out the length and distinguish, with the rotation that makes things convenient for the crossbar can not influence the rotation axis and to the outside fixed of protection frame.

The present invention in a preferred example may be further configured to: the extensible member is formed by combining a T-shaped sub-rod, a spring and a female rod, and the T-shaped sub-rod is connected to the hole in the inner wall of the arc-shaped groove.

Through adopting above-mentioned technical scheme, utilize the inner chamber installation spring at female pole, after the outside extension of T font sub-pole atress or the inside shrink, under the effect of spring, the outside fastener of extensible member can resume initial condition fast to make things convenient for operating personnel's quick operation.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the structure, the plurality of fasteners which can be freely stretched and contracted are arranged according to the concave holes in the inner cavity of the gear disc, the trapezoidal threads are arranged in the middle of the inner sides of the fasteners, the grooves matched with the gaskets are arranged at the two ends of the inner sides of the fasteners, the fasteners are pulled towards the gaskets by combining the telescopic pieces arranged in the grooves at the two ends of the gaskets, and the tapered fluted disc is used for conducting adaptive progressive expansion on the trapezoidal threads in the inner sides of the fasteners, so that the mechanism assembly can comprehensively fasten and pressurize the inner walls of the concave holes in the inner cavity of the gear disc, and the stability of the vertical gear is ensured.

2. According to the utility model, as the mechanism is used, the gear in a vertical state is pushed by local pressurization of the cutting mechanism, and in order to improve the fixation of the gear disc on the rotating shaft, the protective outer frame is movably sleeved outside the ends at two sides of the gear, the guide groove matched with the pushing clamping plate for movable extension is formed in the protective outer frame, and the elastic member is used for carrying out elastic recovery on the pushing clamping plate, so that the conical fluted disc can be controlled and the pushing clamping plate can be driven to fasten the ends at two sides of the gear, the integrity of the whole gear on the rotating shaft can be realized, and the problem that the gear is stressed and deviates can be avoided.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present invention;

FIG. 2 is a schematic diagram of a dispersion and partial cross-section thereof according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the internal dispersion of FIG. 2 according to an embodiment of the present invention.

Reference numerals:

100. a stability augmentation mechanism; 110. a protective outer frame; 120. a guide groove; 130. pushing the clamping plate; 140. an elastic member;

200. a gear disc expansion mechanism; 210. a fastener; 220. a conical fluted disc; 230. a cross bar; 240. a cushion member; 250. a telescoping member; 260. a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

The utility model provides a novel internal expanding clamp for machining a gear of a robot gearbox, which is provided by some embodiments and is described in the following with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 3, the novel internal expanding type fixture for machining the gear of the robot gearbox provided by the utility model comprises a stability augmentation mechanism 100 and a gear disc expanding mechanism 200, wherein the gear disc expanding mechanism 200 is movably connected in the stability augmentation mechanism 100.

The stability augmentation mechanism 100 comprises a protective outer frame 110, a guide groove 120, a pushing clamping plate 130 and an elastic member 140, and the gear plate expansion mechanism 200 comprises a fastener 210, a conical toothed plate 220, a cross rod 230, a pad member 240, a telescopic member 250 and a washer 260.

Specifically, the two protective outer frames 110 are taken out along the outer portions of the fasteners 210 distributed in a ring shape, the ring-shaped mechanism composed of the fasteners 210 is inserted into the holes in the middle of the gear, then the two protective outer frames 110 are butted along the protrusions of the ports on the two sides of the gear, the plurality of push clamp plates 130 inside the protective outer frames 110 are movably butted with the corresponding fasteners 210, the stability augmentation mechanism 100 comprises the protective outer frames 110 erected on the ends on the two sides of the gear, the guide slots 120 opened in the inner cavities of the protective outer frames 110, the push clamp plates 130 arranged inside the guide slots 120, the elastic members 140 movably arranged on the push clamp plates 130, the gear plate tightening mechanism 200 connected in the stability augmentation mechanism 100, and the gear plate tightening mechanism 200 comprises the fasteners 210 movably arranged on the push clamp plates 130, the conical fluted disc 220 connected on the inner sides of the fasteners 210, and the cross rod 230 arranged in the middle of the conical fluted disc 220, a pad 240 connected to both ends of the cross bar 230, a washer 260 positioned outside the cross bar 230, and a telescopic member 250 mounted on the washer 260.

Example two:

referring to fig. 1 and 2, on the basis of the first embodiment, by arranging the protective outer frame 110 and forming an L shape that the ports at the two sides of the gear can be mechanically butted, the two ends of the gear can be synchronously pressurized and stressed to ensure that the gear is effectively fixed after being locally stressed, under the influence of the outward expansion action of the fastener 210, the entire push clamp plate 130 can press and fix the outer walls of the ports at the two sides of the gear, and the rectangular chute in the inner cavity of the protective outer frame 110 is utilized to limit the rectangular backing plate in the elastic member 140, so that the push clamp plate 130 can be rapidly restored to the initial state without being stressed, the cross section of the protective outer frame 110 is formed in an L shape, the inner wall of the protective outer frame 110 is provided with a plurality of rectangular notches, the push clamp plate 130 is formed by combining two long strips and short strips with the same thickness and two thinner sloping plates, and the outer ends of the long strips and the short strips are respectively adapted to the rectangular notches of the inner wall of the protective outer frame 110, the elastic member 140 is composed of a rectangular pad and a spring, and the rectangular pad is mounted on the strip plate inside the protection frame 110.

Example three:

referring to fig. 1 and 3, in the above embodiment, the T-shaped sub rod and the T-shaped female rod in the telescopic member 250 are respectively used to draw and fix the fastening members 210 and the washers 260, so that the fastening members 210 can be safely extended and retracted along the outer wall of the washer 260, and meanwhile, the two ends of the conical fluted disc 220 have different diameters to connect the trapezoidal threads in the middle of the inner sides of the fastening members 210, so as to differentiate the lengths of the two ends of the cross rod 230 penetrating the conical fluted disc 220, so that the rotation of the cross rod 230 does not affect the fixing of the rotating shaft to the outside of the protective outer frame 110, when the T-shaped sub rod is forced to extend outward or retract inward, the fastening members 210 outside the telescopic member 250 can be quickly restored to the initial state under the action of the spring, so as to facilitate the quick operation of the operator, the two ends of the inner side of the fastening members 210 are provided with the arc grooves symmetrically distributed, and the inner wall of arc recess is seted up the hole that the adaptation is in the extensible member 250 bottom, and trapezoidal thread is seted up at the inboard middle part of fastener 210, and the protruding length that the cross rod 230 runs through to the great one side of conical fluted disc 220 footpath length is for running through to the half of the protruding length of the less one side of conical fluted disc 220 footpath length, and extensible member 250 is formed by the combination of T font sub-pole, spring and female pole, and in the hole of T font sub-pole connection on the arc recess inner wall.

The working principle and the using process of the utility model are as follows: since both ends of the cross bar 230 extend to the outside of the ports at both sides of the gear plate, the operator needs to pre-mate the two protective outer frames 110 along the outside of the ports at both sides of the gear plate, the outer ends of the elongated strips extending from the rectangular notches in the inner walls of the two protective outer frames 110 are butted against the rectangular holes in the outer walls of the plurality of fasteners 210, then, an external cross wrench is used to rotate the cross bar 230, and the cross bar 230 in the rotated state drives the cushion member 240 to extend along the trapezoidal threads at the middle portion of the inner side of the plurality of fastening members 210, so as to exert an outward expanding thrust on the plurality of fastening members 210, then, while the fastener 210 is expanded, the push clamp 130 is pushed inside the guide groove 120 by the pressurization of the fastener 210, thereby driving the shortest thin strip plate to clamp the outer walls of the ports at both sides of the gear, and then fixing and clamping the protective outer frame 110 on the rotating shaft.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a robot gear box gear machining is with novel interior expanding anchor clamps which characterized in that includes:

the stability augmentation mechanism (100) comprises a protective outer frame (110) erected on the end heads of two sides of a gear, a guide groove (120) arranged in the inner cavity of the protective outer frame (110), a push splint (130) arranged inside the guide groove (120) and an elastic part (140) movably arranged on the push splint (130);

connect gear dish in the mechanism of increasing steady (100) tight mechanism (200) that expands, and gear dish tight mechanism (200) that expands including movable mounting fastener (210) on advancing splint (130), connect fastener (210) inboard toper fluted disc (220), install cross rod (230) at toper fluted disc (220) middle part, connect pad spare (240) at cross rod (230) both ends, be located outside packing ring (260) of cross rod (230) and install expansion member (250) on packing ring (260).

2. The novel internal expanding clamp for machining the gear of the robot gearbox is characterized in that the cross section of the protective outer frame (110) is L-shaped, and a plurality of rectangular notches are formed in the inner wall of the protective outer frame (110).

3. The novel internal expanding clamp for machining the gear of the robot gearbox is characterized in that the pushing clamping plate (130) is formed by combining two long plates and two short plates with the same thickness and two thinner inclined plates, and the outer ends of the long plates and the short plates are respectively matched with a rectangular notch of the inner wall of the protective outer frame (110).

4. The novel internal expanding clamp for machining the gear of the robot gearbox is characterized in that the elastic piece (140) consists of a rectangular base plate and a spring, and the rectangular base plate is arranged on a long strip plate in the protective outer frame (110).

5. The novel internal expanding clamp for machining the gear of the robot gearbox is characterized in that two ends of the inner side of the fastener (210) are provided with symmetrically distributed arc-shaped grooves, the inner walls of the arc-shaped grooves are provided with holes matched with the bottom end of the telescopic piece (250), and the middle of the inner side of the fastener (210) is provided with trapezoidal threads.

6. The novel internal expanding clamp for machining the gear of the robot gearbox is characterized in that the length of the protrusion of the cross rod (230) penetrating through the side with the larger diameter of the conical fluted disc (220) is half of the length of the protrusion penetrating through the side with the smaller diameter of the conical fluted disc (220).

7. The novel internal expanding clamp for machining the gear of the robot gearbox is characterized in that the telescopic piece (250) is formed by combining a T-shaped sub-rod, a spring and a female rod, and the T-shaped sub-rod is connected in a hole in the inner wall of the arc-shaped groove.