CN218746182U

CN218746182U - Sprocket processing clamping device

Info

Publication number: CN218746182U
Application number: CN202123043428.9U
Authority: CN
Inventors: 郑洪亮; 王皓; 赵勇
Original assignee: Shandong Dazhong Mechanical Manufacturing Co ltd
Current assignee: Shandong Dazhong Mechanical Manufacturing Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2023-03-28
Anticipated expiration: 2031-12-06

Abstract

The utility model provides a sprocket feed clamping device, relates to machining anchor clamps technical field, includes: the installation base, the center department of installation base has seted up the cross spout, but is provided with first stand, second stand, third stand and fourth stand in the cross spout with horizontal migration, and the upper end rigid coupling of every stand has horizontal stopper, and the lower extreme of stand passes the cross spout and extends to the below of installation base, and first stand, second stand, third stand and fourth stand are central symmetry setting. The utility model provides a clamping position when clamping device among the conventional art is used for sprocket machining centre gripping unreasonable, clamping device's commonality and the poor problem of adjustability.

Description

Sprocket processing clamping device

Technical Field

The utility model relates to a machining anchor clamps technical field, concretely relates to sprocket processing clamping device.

Background

The sprocket is a cogged sprocket wheel for engaging precisely pitched blocks on a chain link or cable. The chain wheel is widely applied to mechanical transmission and the like in the industries of chemical engineering, textile machinery, escalators, wood processing, three-dimensional parking garages, agricultural machinery, food processing, instruments and instruments, petroleum and the like. The sprocket tooth profile must ensure that the links can smoothly enter and exit the engagement, minimize impact and contact stress of the links during engagement, and be easy to machine. The common tooth profile of the end face of the chain wheel consists of three sections of circular arcs and one section of straight line, which is called three circular arc-straight line tooth profile for short.

The machining of the chain wheel usually comprises two processes of forging and forming and finish machining, wherein the finish machining process comprises the steps of end face turning, groove milling, drilling and the like of the chain wheel on a machine tool, the machining processes all need to clamp the chain wheel, and the clamping process comprises the steps of positioning and clamping a workpiece on the machine tool.

When the existing clamping device is used for processing and clamping the chain wheel, a plurality of unreasonables exist, and the unreasonable unreasonables are mainly reflected in that:

1. because the particularity of sprocket self shape for clamping device is difficult to select the centre gripping position to the sprocket, and the mode that adopts the terminal surface centre gripping can influence the processing to sprocket terminal surface mounting hole, and the mode that adopts sprocket wheel hub centre gripping causes the centre gripping not enough again easily, leads to the sprocket to take place the displacement in the course of working, has increased machining error.

2. The existing clamping device can only be used for clamping a chain wheel of a specific model under the common condition, has poor clamping universality and poor adjustability, and is inconvenient for disassembling and assembling the chain wheel.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a sprocket processing clamping device for clamping position is unreasonable when the clamping device who solves among the conventional art is used for the sprocket processing centre gripping, clamping device's commonality and the poor problem of adjustability.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a chain wheel machining clamping device comprises an installation base.

As an optimized scheme, a cross sliding groove is formed in the center of the mounting base.

As an optimized scheme, a first upright column, a second upright column, a third upright column and a fourth upright column are arranged in the cross sliding chute in a horizontally movable manner.

As an optimized scheme, the first upright column and the third upright column are oppositely arranged, the second upright column and the fourth upright column are oppositely arranged, and the upright columns limit the translation and rotation of the chain wheel to be processed in a horizontal plane through tensioning support on the inner wall of a chain wheel shaft hole.

As an optimized scheme, a transverse limiting block is fixedly connected to the upper end of each upright column, the lower end of each upright column penetrates through the cross sliding groove to extend to the position below the mounting base, and the transverse limiting blocks are used for limiting the moving range of the chain wheel to be processed in the vertical direction.

As an optimized scheme, a first driving motor, a second driving motor, a third driving motor and a fourth driving motor are fixedly connected to the lower surface of the mounting base corresponding to the first upright, the second upright, the third upright and the fourth upright.

As an optimized scheme, the output shaft ends of the first driving motor, the second driving motor, the third driving motor and the fourth driving motor are horizontally and fixedly connected with a first threaded rod, a second threaded rod, a third threaded rod and a fourth threaded rod respectively.

As an optimized scheme, the lower ends of the first upright post, the second upright post, the third upright post and the fourth upright post are respectively in threaded connection with the peripheral walls of the first threaded rod, the second threaded rod, the third threaded rod and the fourth threaded rod.

As an optimized scheme, a limiting ring capable of moving in the vertical direction is arranged above the mounting base, and the limiting ring can clamp and fix the chain wheel to be machined in the vertical direction.

As an optimized scheme, be provided with a plurality of sprocket fastening device on the circumference lateral wall of spacing ring centrosymmetrically, sprocket fastening device includes the edge a plurality of screw thread through-hole has been seted up to the circumference of spacing ring, screw thread through-hole female connection has adjusting bolt, adjusting bolt extends to terminal rigid coupling in the spacing ring has circular clamping plate, sprocket fastening device can realize treating the tight fixedly of clamp of processing sprocket wheel hub outer wall.

As an optimized scheme, the upper surface of the mounting base is fixedly connected with opposite telescopic cylinders, the telescopic ends of the telescopic cylinders are fixedly connected with the lower end face of the limiting ring, and the limiting ring controls the movement along the vertical direction through the telescopic cylinders, so that the clamping width and the clamping force are adjusted.

As an optimized scheme, the mounting plate is fixedly connected to the opposite side walls of the mounting base, a vertical threaded hole is formed in the mounting plate, a fixing bolt is arranged in the threaded hole, and the mounting plate and the fixing bolt can integrally fix the device on a processing machine tool.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in more reasonable to the selection of sprocket clamping position: the limiting ring is arranged, a plurality of groups of chain wheel fastening mechanisms are arranged on the limiting ring, the outer wall of the hub part of the chain wheel can be clamped and fixed, meanwhile, the inner wall of the shaft hole of the chain wheel can be supported and clamped by the upright post which is arranged in a sliding way, and the degree of freedom of the chain wheel in the horizontal plane is limited by adopting an internal and external combination mode; the upper end rigid coupling of stand has horizontal stopper, but the spacing ring is the lifting arrangement from top to bottom, and the sprocket centre gripping is between the two to this guarantees that the degree of freedom of sprocket in vertical face is injectd completely.

The utility model discloses in the slip of each stand on the horizontal direction is through driving motor control, and the spacing ring is through telescoping cylinder control in the ascending lift of vertical side, and the centre gripping to the sprocket of disalignment hole aperture, different thickness can be realized in the two cooperation, and the clamp force also can be controlled through driving motor's rotation and the flexible of telescoping cylinder, has increased the holistic commonality of device and controllability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic front view of the mechanism without clamping the sprocket of the present invention;

FIG. 2 is a schematic structural view of the middle sprocket normal mounting process of the present invention;

FIG. 3 is a schematic structural view of the middle sprocket during the inverted machining of the present invention;

fig. 4 is a schematic structural view in a top view direction in the present invention.

In the figure: 1-an installation base, 2-a cross sliding groove, 3-a first upright post, 4-a second upright post, 5-a third upright post, 6-a fourth upright post, 7-a transverse limiting block, 8-a first driving motor, 9-a second driving motor, 10-a third driving motor, 11-a fourth driving motor, 12-a first threaded rod, 13-a second threaded rod, 14-a third threaded rod, 15-a fourth threaded rod, 16-a limiting ring, 17-a threaded through hole, 18-an adjusting bolt, 19-a circular clamping plate, 20-a telescopic cylinder, 21-an installation plate, 22-a threaded hole and 23-a fixing bolt.

Detailed Description

Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 4, a sprocket machining clamping device includes a mounting base 1.

The center of the installation base 1 is provided with a cross sliding chute 2.

A first upright post 3, a second upright post 4, a third upright post 5 and a fourth upright post 6 which can move horizontally are arranged in the cross sliding chute 2.

The first upright post 3 and the third upright post 5 are oppositely arranged, the second upright post 4 and the fourth upright post 6 are oppositely arranged, and the upright posts limit the translation and the rotation of the chain wheel to be processed in a horizontal plane through tensioning and supporting the inner wall of a shaft hole of the chain wheel.

The upper end rigid coupling of every stand has horizontal stopper 7, and the lower extreme of stand passes cross spout 2 and extends to the below of installation base 1, and horizontal stopper 7 is used for retraining the ascending displacement range of sprocket in vertical direction of treating the processing.

A first driving motor 8, a second driving motor 9, a third driving motor 10 and a fourth driving motor 11 are fixedly connected to the lower surface of the mounting base 1 corresponding to the first upright column 3, the second upright column 4, the third upright column 5 and the fourth upright column 6.

The output shaft ends of the first driving motor 8, the second driving motor 9, the third driving motor 10 and the fourth driving motor 11 are respectively and horizontally fixedly connected with a first threaded rod 12, a second threaded rod 13, a second threaded rod 14 and a fourth threaded rod 15.

The lower ends of the first upright post 3, the second upright post 4, the third upright post 5 and the fourth upright post 6 are respectively in threaded connection with the peripheral walls of a first threaded rod 12, a second threaded rod 13, a second threaded rod 14 and a fourth threaded rod 15.

The top of installation base 1 is equipped with can follow the spacing ring 16 that vertical direction removed, and spacing ring 16 can be treated the removal of processing sprocket along vertical direction and pressed from both sides tightly fixedly.

Be central symmetry on the circumference lateral wall of spacing ring 16 and be provided with a plurality of sprocket fastening device, sprocket fastening device includes that a plurality of screw thread through-hole 17 has been seted up along spacing ring 16's circumference, and screw thread through-hole 17 female connection has adjusting bolt 18, and adjusting bolt 18 extends to the terminal rigid coupling in the spacing ring 16 and has circular clamp plate 19, and sprocket fastening device can realize treating the tight fixedly of clamp of processing sprocket wheel hub outer wall.

The upper surface of the mounting base 1 is fixedly connected with an opposite telescopic cylinder 20, the telescopic end of the telescopic cylinder 20 is fixedly connected with the lower end face of the limiting ring 16, and the limiting ring 16 controls the movement along the vertical direction through the telescopic cylinder 20, so that the clamping width and the clamping force are adjusted.

The mounting plate 21 is fixedly connected to the opposite side walls of the mounting base 1, a vertical threaded hole 22 is formed in the mounting plate 21, a fixing bolt 23 is arranged in the threaded hole 22, and the mounting plate 21 and the fixing bolt 23 can integrally fix the device on a processing machine tool.

The utility model discloses when using: firstly, the hub part of the chain wheel to be processed is clamped on the limiting ring and is clamped and fixed on the outer wall of the hub part through the chain wheel fastening mechanism, the driving motor is started, the stand column slides in the cross-shaped sliding groove, the inner wall of the shaft hole of the chain wheel is clamped, the extension of the telescopic cylinder is controlled, and the chain wheel is fixedly clamped between the limiting ring and the transverse limiting block.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and although the present invention is described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described embodiments, or equivalents may be substituted for some or all of their features, without departing from the scope of the invention.

Claims

1. The utility model provides a sprocket processing clamping device which characterized in that: including installation base (1), but the upper surface center department of installation base (1) has seted up cross spout (2), but be provided with horizontal migration's first stand (3), second stand (4), third stand (5) and fourth stand (6), every in cross spout (2) the upper end rigid coupling of stand has horizontal stopper (7), the lower extreme of first stand (3), second stand (4), third stand (5) and fourth stand (6) passes respectively cross spout (2) extend to the below of installation base (1), first stand (3), second stand (4), third stand (5) and fourth stand (6) are the central symmetry setting.

2. The sprocket machining clamping device according to claim 1, wherein: and a first driving motor (8) which is arranged corresponding to the first upright post (3) is fixedly connected to the lower surface of the mounting base (1).

3. The sprocket machining clamping device according to claim 2, wherein: and an output shaft end of the first driving motor (8) is horizontally and fixedly connected with a first threaded rod (12).

4. The sprocket machining clamping device according to claim 3, wherein: the lower end of the first upright post (3) is connected with the first threaded rod (12) in a threaded manner.

5. The sprocket machining clamping device of claim 1, wherein: and a limiting ring (16) capable of moving in the vertical direction is arranged above the mounting base (1).

6. The sprocket machining clamping device according to claim 5, wherein: the lower terminal surface rigid coupling of spacing ring (16) has a plurality of centrosymmetry to set up telescoping cylinder (20), the stiff end of telescoping cylinder (20) with the upper surface looks rigid coupling of installation base (1).

7. The sprocket machining clamping device according to claim 5, wherein: and a chain wheel fastening mechanism is arranged on the limiting ring (16).

8. The sprocket machining clamping device according to claim 7, wherein: the chain wheel fastening mechanism comprises a plurality of centrosymmetric threaded through holes (17) which are formed along the circumferential direction of the limiting ring (16), adjusting bolts (18) are connected with the threaded through holes (17) in an internal thread mode, and the tail ends of the adjusting bolts (18) extending into the limiting ring (16) are fixedly connected with a circular clamping plate (19).

9. The sprocket machining clamping device of claim 1, wherein: the mounting base is characterized in that mounting plates (21) are fixedly connected to opposite side walls of the mounting base (1), vertical threaded holes (22) are formed in the mounting plates (21), and fixing bolts (23) are arranged in the threaded holes (22).