CN218136376U

CN218136376U - Annular workpiece machining tool

Info

Publication number: CN218136376U
Application number: CN202222286044.8U
Authority: CN
Inventors: 潘纯余; 潘亮
Original assignee: Hefei Longwei Precision Technology Co ltd
Current assignee: Hefei Longwei Precision Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-27
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses an annular workpiece processing tool, which comprises a support, wherein a placing groove and a claw groove are arranged in the support; the pressing claw is arranged in the claw groove; the cylinder is arranged on one side of the support, and a cylinder rod of the cylinder is connected with a push-pull rod; the sleeve is arranged in the placement groove, and the sleeve is in clearance fit with the placement groove; the adjusting bolt is arranged in the sleeve, and the adjusting bolt is in clearance fit with the sleeve; the slider is arranged in a slider groove, the slider and the slider groove are in clearance fit, and a T-shaped groove is formed in the slider. According to the utility model discloses annular work piece processing frock has advantages such as clamping rapidly.

Description

Annular workpiece machining tool

Technical Field

The utility model relates to a machining field particularly, relates to an annular workpiece processing frock.

Background

In the machining process, need carry out the clamping location to the work piece, influenced by work piece appearance and need design different anchor clamps and have satisfied the user demand, when carrying out the clamping to annular work piece, generally adopt the form rotating bolt of arranging from top to bottom and then promote the briquetting and compress tightly fixedly, as the disclosed technology (patent application publication No. CN 113732982A) disclose an anchor clamps for fixed annular work piece, include: the clamping device comprises a rack, a driving screw rod, a first connecting rod, a connecting rod mechanism and a movable pressing block, wherein the driving screw rod is rotatably connected into the rack in a horizontal direction, one end of the driving screw rod extends out of the side wall of the rack, two sections of threads with opposite screw directions are arranged on the driving screw rod, a driving nut is respectively screwed on each section of threads, the first end of the first connecting rod is hinged with the driving nut, the connecting rod mechanism is of a parallelogram structure, adjacent connecting rods of the connecting rod mechanism are hinged, the lower portion of the connecting rod mechanism is located in the rack, the upper portion of the connecting rod mechanism extends out of the rack along a sliding chute on the upper end face of the rack, the lower end of the connecting rod mechanism is connected onto the rack, the lower end of the connecting rod mechanism is hinged with the second end of the first connecting rod, and the movable pressing block is hinged onto the upper end of the connecting rod mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an annular work piece processing frock, this annular work piece processing frock have advantages such as the clamping is rapid.

In order to achieve the above object, according to the utility model discloses an annular workpiece machining tool is provided to the embodiment, include: the device comprises a support, wherein the support is internally provided with a placement groove and three claw grooves, the placement groove is communicated with the claw grooves, the placement grooves are arranged at the central position of the support, and the three claw grooves are uniformly distributed outside the placement grooves in a centrosymmetric manner; the pressing claw is arranged in the claw groove, and the pressing claw is in clearance fit with the claw groove; the cylinder is arranged on one side of the support, a push-pull rod is connected to a cylinder rod of the cylinder, and a wedge-shaped surface is arranged in the middle of the push-pull rod; the sleeve is arranged in the placement groove, and the sleeve is in clearance fit with the placement groove; the adjusting bolt is arranged in the sleeve, and the adjusting bolt is in clearance fit with the sleeve; the slider is arranged in a slider groove, the slider and the slider groove are in clearance fit, and a T-shaped groove is formed in the slider.

Preferably, the pressing claw middle part is provided with the bevel groove, set up the fixed pin in the bevel groove, just the fixed pin with be clearance fit between the bevel groove, the fixed pin both ends are fixed on the claw inslot wall, the pressing claw bottom is installed through the axle bed sleeve outer wall bottom.

Preferably, an adjusting nut is mounted at the top of the adjusting bolt, and the adjusting nut is located above the sleeve.

Preferably, the lower part of the adjusting bolt penetrates through the bottom of the mounting groove and is connected with the sliding block in the sliding block groove.

Preferably, the sleeve is internally provided with a spring groove, the spring groove is provided with a spring, and the upper end and the lower end of the spring are sequentially and respectively fixed at the top of the spring groove and the bottom of the settling groove.

Preferably, the lower end of the support is transversely provided with a push rod groove in a penetrating manner, the push rod groove is communicated with the slide block groove, the push rod is arranged in the push rod groove, and the push rod groove are in clearance fit.

Preferably, the push-pull rod penetrates through the T-shaped groove, and the wedge-shaped surface on the push-pull rod is arranged opposite to the T-shaped groove.

Preferably, the lower end of the pressing claw is provided with a clamping groove, a regulating block is installed in the clamping groove, the upper end of the pressing claw is vertically provided with a countersunk hole in a penetrating mode, and a countersunk bolt is arranged in the countersunk hole.

Preferably, a threaded hole is formed in the adjusting block corresponding to the lower end of the countersunk head bolt, the countersunk head bolt is in threaded connection with the adjusting block, the diameter of the countersunk head hole is larger than the diameter of a screw rod of the countersunk head bolt, and the diameter of the countersunk head hole is smaller than the diameter of a nut of the countersunk head bolt.

The utility model discloses technical scheme's an annular work piece processing frock's beneficial effect is: the cylinder is used as power input, the T-shaped groove surface on the sliding block is extruded through the wedge surface on the push-pull rod to drive the sleeve to move downwards, one transverse thrust output of the cylinder is converted into downward moving tension of the pressing claw and transverse swinging thrust at the top of the pressing claw, the annular workpiece is placed on the support table at the moment, the pressing claw can be extended and pressed downwards to fix the workpiece, the power input is simplified, the clamp structure is optimized, clamping can be completed through one-time operation, the clamping time is saved, the annular workpiece is axially supported and fixed on the support through the pressing claw, and the deformation of the annular workpiece during clamping can be reduced due to the fact that the upper end of the support is a plane.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of an annular workpiece machining tool according to an embodiment of the present invention.

Fig. 2 is a top view of an annular workpiece machining tool according to an embodiment of the present invention.

Fig. 3 is a sectional view of an annular workpiece processing tool according to an embodiment of the present invention.

Fig. 4 is a sectional view of the upper end of the pressing claw of the annular workpiece processing tool according to the embodiment of the invention.

Reference numerals are as follows: the device comprises a support 1, a pressing claw 2, a cylinder 3, an adjusting nut 4, a sleeve 5, a claw groove 6, a placing groove 7, an adjusting bolt 8, an oblique angle groove 9, a fixing pin 10, a shaft seat 11, a spring groove 12, a spring 13, a T-shaped groove 14, a push rod groove 15, a slide block groove 16, a slide block 17, a wedge-shaped surface 18, a push-pull rod 19, a countersunk bolt 20, a countersunk hole 21, a clamping groove 22 and an adjusting block 23.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and 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. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An annular work piece processing frock according to the embodiment of the utility model is described below with reference to the attached drawings.

As shown in fig. 1-3, an annular workpiece machining tool according to an embodiment of the present invention includes: the device comprises a support 1, a pressing claw 2, a cylinder 3, a sleeve 5, an adjusting bolt 8 and a slide block 17, wherein a placing groove 7 and three claw grooves 6 are arranged in the support 1, the placing groove 7 is communicated with the claw grooves 6, the placing groove 7 is arranged at the central position of the support 1, the three claw grooves 6 are symmetrically and uniformly distributed at the outer side of the placing groove 7, the pressing claw 2 is arranged in the claw groove 6, the pressing claw 2 is in clearance fit with the claw grooves 6, an oblique angle groove 9 is arranged in the middle of the pressing claw 2, a fixing pin 10 is arranged in the oblique angle groove 9, the fixing pin 10 is in clearance fit with the oblique angle groove 9, two ends of the fixing pin 10 are fixed on the inner wall of the claw groove 6, the cylinder 3 is arranged at one side of the support 1, a push-pull rod 19 is connected to a cylinder rod of the cylinder 3, a wedge-shaped surface 18 is arranged in the middle of the push-pull rod 19, the sleeve 5 is arranged in the placing groove 7, the sleeve 5 and the placing groove 7 are in clearance fit, the bottom of the pressing claw 2 is installed at the bottom of the outer wall of the sleeve 5 through the shaft seat 11, the adjusting bolt 8 is arranged in the sleeve 5, the adjusting bolt 8 and the sleeve 5 are in clearance fit, the sliding block 17 is arranged in the sliding block 17 groove 16, the lower portion of the adjusting bolt 8 penetrates through the bottom of the placing groove 7 and is connected with the sliding block 17 in the sliding block 17 groove 16, the sliding block 17 and the sliding block 17 groove 16 are in clearance fit, a T-shaped groove 14 is formed in the sliding block 17, the lower end of the support 1 is transversely provided with a push rod groove 15 in a penetrating mode, the push rod groove 15 is communicated with the sliding block 17 groove 16, the push rod 19 is arranged in the push rod groove 15, the push rod 19 and the push rod groove 15 are in clearance fit, the push rod 19 penetrates through the T-shaped groove 14, and the wedge-shaped surface 18 on the push rod 19 is opposite to the T-shaped groove 14.

In the technical scheme, the pressing claw 2 is arranged in the claw groove 6 to play a certain limiting role, the too large swing amplitude of the pressing claw 2 is prevented, the oblique angle groove 9 is arranged in the middle of the pressing claw 2, the pressing claw 2 is locked in a certain range to move through the fixing pin 10, when the pressing claw 2 descends, the fixing pin 10 moves along the oblique wall of the oblique angle groove 9 to provide transverse force for the pressing claw 2 to further push the pressing claw 2 to swing, because the bottom of the pressing claw 2 is arranged on the sleeve 5 and does not move relative to the sleeve 5, the upper end of the pressing claw 2 can shift outwards, downward moving power of the pressing claw 2 comes from downward movement of the sleeve 5, final power source and piston motion of the cylinder 3, when the push-pull rod 19 of the cylinder 3 moves forwards, the wedge-shaped surface 18 on the push-pull rod 19 can contact and extrude the T-shaped groove 14 on the sliding block 17, the sliding block 17 is pressed downwards through the inclined surface contact, the sliding block 17 moves downwards along the groove 16 of the sliding block 17, the sleeve 5 is driven to move downwards through the adjusting bolt 8, at the moment, the transverse thrust output of the air cylinder 3 is converted into downward moving tension of the pressing claw 2 and transverse swinging thrust at the top of the pressing claw 2, at the moment, the annular workpiece is placed on the support 1, the pressing claw 2 can press and fix the workpiece downwards while extending, power input is simplified, the clamp structure is optimized, clamping can be completed through one-time operation, clamping time is saved, the annular workpiece is axially pressed and fixed on the support 1 through the pressing claw 2, and deformation of the annular workpiece during clamping can be reduced because the upper end of the support 1 is a plane.

As shown in fig. 2 and fig. 3, in this technical scheme, adjusting nut 4 is installed at 8 tops of adjusting bolts, adjusting nut 4 position sleeve 5 top, sleeve 5 is inside to be provided with spring groove 12, be provided with spring 13 in the spring groove 12, both ends are fixed respectively at spring groove 12 top and resettlement groove 7 bottom in proper order about spring 13, the design of this structure makes spring 13 can promote sleeve 5 rebound, can change the position of sleeve 5 in resettlement groove 7 through screwing or loosening adjusting nut 4, and then adjustable pressure claw 2's the reach, can satisfy the annular work piece clamping demand of different thickness.

As shown in fig. 4, in the present technical solution, the lower end of the pressing claw 2 is provided with a clamping groove 22, an adjusting block 23 is installed in the clamping groove 22, scale marks can be carved on the adjusting block 23, the expansion amount of the adjusting block 23 can be visually observed, fine adjustment is facilitated, the upper end of the pressing claw 2 vertically penetrates through a countersunk hole 21, a countersunk bolt 20 is arranged in the countersunk hole 21, a threaded hole is formed in the adjusting block 23 corresponding to the lower end of the countersunk bolt 20, the countersunk bolt 20 is in threaded connection with the adjusting block 23, the adjusting block 23 is arranged and fine adjustment is performed through the countersunk bolt 20, fine adjustment when the pressing claw 2 is clamped can be assisted, the requirement of clamping a non-planar annular workpiece can be met, the diameter of the countersunk hole 21 is greater than the diameter of a screw rod of the countersunk bolt 20, and the diameter of the countersunk hole 21 is smaller than the diameter of a nut of the countersunk bolt 20. Other configurations and operations of an annular workpiece processing tool according to embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 present invention. 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides an annular workpiece machining frock which characterized in that includes:

the device comprises a support, wherein the support is internally provided with a placement groove and three claw grooves, the placement groove is communicated with the claw grooves, the placement grooves are arranged at the central position of the support, and the three claw grooves are uniformly distributed outside the placement grooves in a centrosymmetric manner;

the pressing claw is arranged in the claw groove, and the pressing claw is in clearance fit with the claw groove;

the air cylinder is arranged on one side of the support, a push-pull rod is connected to a cylinder rod of the air cylinder, and a wedge-shaped surface is arranged in the middle of the push-pull rod;

the sleeve is arranged in the placement groove, and the sleeve is in clearance fit with the placement groove;

the adjusting bolt is arranged in the sleeve, and the adjusting bolt is in clearance fit with the sleeve;

the slider is arranged in a slider groove, the slider and the slider groove are in clearance fit, and a T-shaped groove is formed in the slider.

2. The annular workpiece machining tool according to claim 1, wherein an oblique angle groove is formed in the middle of the pressing claw, a fixing pin is arranged in the oblique angle groove, the fixing pin and the oblique angle groove are in clearance fit, two ends of the fixing pin are fixed to the inner wall of the claw groove, and the bottom of the pressing claw is mounted at the bottom of the outer wall of the sleeve through a shaft seat.

3. The annular workpiece machining tool according to claim 1, wherein an adjusting nut is mounted at the top of the adjusting bolt, and the adjusting nut is located above the sleeve.

4. The annular workpiece machining tool according to claim 1, wherein the lower portion of the adjusting bolt penetrates through the bottom of the accommodating groove and is connected with the sliding block in the sliding block groove.

5. The annular workpiece machining tool according to claim 1, wherein a spring groove is formed in the sleeve, a spring is arranged in the spring groove, and the upper end and the lower end of the spring are sequentially and respectively fixed to the top of the spring groove and the bottom of the accommodating groove.

6. The annular workpiece machining tool according to claim 1, wherein a push rod groove is formed in the lower end of the support in a transversely penetrating mode, the push rod groove is communicated with the slider groove, the push rod is arranged in the push rod groove, and the push rod groove are in clearance fit.

7. The annular workpiece machining tool according to claim 1, wherein the push-pull rod penetrates through the T-shaped groove, and the wedge-shaped surface on the push-pull rod is opposite to the T-shaped groove.

8. The annular workpiece machining tool according to claim 1, wherein a clamping groove is formed in the lower end of the pressing claw, an adjusting block is installed in the clamping groove, a countersunk hole is vertically formed in the upper end of the pressing claw in a penetrating mode, and a countersunk bolt is arranged in the countersunk hole.

9. The annular workpiece machining tool according to claim 8, wherein a threaded hole is formed in the adjusting block corresponding to the lower end of the countersunk head bolt, the countersunk head bolt is in threaded connection with the adjusting block, the diameter of the countersunk head hole is larger than the diameter of a screw rod of the countersunk head bolt, and the diameter of the countersunk head hole is smaller than the diameter of a nut of the countersunk head bolt.