CN209886835U - Gear shaping installation location frock - Google Patents

Abstract

The utility model belongs to the technical field of gear machining frock technique and specifically relates to a gear shaping installation location frock is related to. The utility model provides a gear shaping installation location frock, includes location clamping mechanism, the cover that rises, pressure packing ring and nut, location clamping mechanism including set gradually be used for with the lathe be connected installation section, support section, be used for limiting workpiece axial displacement's spacing dish, be used for with rise cover matched with toper section, be used for with pressure packing ring matched with cylinder guide section and be used for with nut screw-thread fit's screw thread section, installation section, support section, spacing dish, toper section, cylinder guide section and the equal coaxial setting of screw thread section. The utility model discloses simple structure, installation positioning accuracy is higher, can improve production efficiency, saves the cost.

Description

Gear shaping installation location frock

Technical Field

The utility model belongs to the technical field of gear machining frock technique and specifically relates to a gear shaping installation location frock is related to.

Background

The gear is widely applied to transmission parts of automobiles and engineering machinery and is an important part. The existing gear shaping tool is tensioned by hydraulic pressure mostly, however, in some small-batch production, the cost is too high, and the gear shaping tool is not easy to realize.

For example, Chinese patent publication numbers are: CN206882937U, in a disconnect-type gear shaping frock that 16 days announced in 2018 1 month, including positioning mechanism and clamping mechanism, positioning mechanism includes the anchor clamps body, the location base, the anchor clamps body passes through the bolt and is connected with equipment, the location base is general type, install on the anchor clamps body through the bolt, clamping mechanism includes the last pull rod nut, go up the connection pull rod, connect the pull rod down, the inclination axle, press from both sides tight cover that rises, go up the pull rod nut, it is general type to connect pull rod and inclination axle from top to bottom, it installs on last connection pull rod to go up the connection pull rod and connect the screw thread that the pull rod passes through the end down and link to each other, it is connected with equipment hydraulic means to connect the pull rod down, press from both sides tight cover that rises and cooperate the radial positioning of accomplishing the part with the inclination axle, this utility model only need change the tight cover that rises of external diameter matching clamp according to the internal diameter size.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly be to above-mentioned problem, provide a simple structure, installation positioning accuracy is higher, can improve production efficiency, saves the gear shaping installation location frock of cost.

The purpose of the utility model is mainly realized by the following scheme: the utility model provides a gear shaping installation location frock, includes location clamping mechanism, the cover that rises, pressure packing ring and nut, location clamping mechanism including set gradually be used for with the lathe be connected installation section, support section, be used for limiting workpiece axial displacement's spacing dish, be used for with rise cover matched with toper section, be used for with pressure packing ring matched with cylinder guide section and be used for with nut screw-thread fit's screw thread section, installation section, support section, spacing dish, toper section, cylinder guide section and the equal coaxial setting of screw thread section. The positioning and clamping mechanism comprises an installation section, a support section, a limiting disc, a conical section, a cylindrical guide section and a threaded section, wherein the installation section is used for being connected with a machine tool, the limiting disc is used for limiting the axial displacement of a workpiece, the conical section is used for being matched with an expansion sleeve, the cylindrical guide section is used for being matched with a pressing gasket, the threaded section is used for being matched with a nut in a threaded manner, the pressing gasket is in sliding connection with the cylindrical guide section, the outer surface of the conical section is a conical surface matched with the expansion sleeve, the installation section, the support section, the limiting disc, the conical section, the cylindrical guide section and the threaded section are all coaxially arranged, during specific operation, the installation section is inserted into a connection part of the machine tool downwards, then an inner hole of the workpiece is placed along the threaded section and is abutted against the limiting disc, the specific orientation of the placement is determined according to the condition of the specific workpiece, then the conical surface of the expansion sleeve is placed downwards until, then, the inner conical surface of the expansion sleeve is matched with the outer conical surface of the conical section to be clamped, the pressing washer is placed into the cylindrical guide section along the threaded section, the part on the pressing washer is attached to the outer wall of the threaded section, finally, the nut is placed into the cylindrical guide section, the nut is screwed tightly, the nut presses the pressing washer and the expansion sleeve tightly, the expansion sleeve is pressed to enable the expansion sleeve to be axially displaced and expanded, the inner conical surface of the expansion sleeve is gradually attached to the outer conical surface of the conical section, and finally, expansion is completed, so that the workpiece and the positioning and clamping mechanism have good coaxiality and are kept positioned.

Preferably, a plurality of expansion and contraction grooves are uniformly formed in the side wall of the expansion sleeve, and safety holes for preventing the expansion and contraction grooves from cracking are formed in the tail ends of the expansion and contraction grooves. The side wall of the expansion sleeve is uniformly provided with a plurality of expansion and contraction grooves, the tail ends of the expansion and contraction grooves are provided with safety holes used for preventing the expansion and contraction grooves from cracking, the expansion sleeve is convenient to expand due to the expansion and contraction grooves, and the safety holes can prevent the expansion and contraction grooves from cracking.

Preferably, the number of the expansion and contraction grooves is 3. The number of the expansion and contraction grooves is 3, and the safety and the stability are good under the condition that the expansion efficiency of the expansion sleeve is not influenced.

Preferably, one side of the pressing gasket, which is close to the expansion sleeve, is provided with a pressing groove, a damping pressing plate is arranged in the pressing groove in a sliding manner, and the damping pressing plate is connected with the inner wall of the pressing groove through a buffer spring. One side that the pressure washer is close to the cover that rises is provided with the indent, it is provided with the shock attenuation clamp plate to slide in the indent, be connected through buffer spring between the inner wall of shock attenuation clamp plate and indent, the pressure washer is compressing tightly when rising the cover by the nut, the shock attenuation clamp plate supports under buffer spring's effect and rises to sheathe in, buffer spring's setting can absorb the mutual effort between pressure washer and the cover that rises, reduces mutual loss between cover and the pressure washer that rises to can reduce the nut and compress tightly the vibrations when the operation.

Therefore, the utility model discloses a gear shaping installation location frock possesses following advantage: the utility model discloses simple structure, installation positioning accuracy is higher, need not increase the processing that gear shaping equipment just can realize multiple work piece, has improved production efficiency, saves the cost, long service life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the middle positioning and clamping mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the medium-pressure washer of the present invention.

Illustration of the drawings: 1-mounting section, 2-supporting section, 3-limiting disc, 4-workpiece, 5-expansion sleeve, 6-pressure washer, 7-nut, 8-expansion groove, 9-safety hole, 10-conical section, 11-cylindrical guide section, 12-threaded section, 13-pressure groove, 14-buffer spring and 15-damping pressure plate.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1:

as shown in fig. 1, 2 and 3, a gear shaping installation and positioning tool comprises a positioning and clamping mechanism, an expansion sleeve 5, a pressure washer 6 and a nut 7, wherein the positioning and clamping mechanism comprises an installation section 1, a support section 2, a limiting disc 3 for limiting axial displacement of a workpiece 4, a conical section 10 matched with the expansion sleeve 5, a cylindrical guide section 11 matched with the pressure washer 6 and a threaded section 12 matched with the nut 7 in a threaded manner, which are sequentially arranged, the pressure washer 6 is in sliding connection with the cylindrical guide section 11, the outer surface of the conical section 10 is a conical surface matched with the expansion sleeve 5, the installation section 1, the support section 2, the limiting disc 3, the conical section 10, the cylindrical guide section 11 and the threaded section 12 are coaxially arranged, during specific operation, the installation section is firstly inserted into a connection part of a machine tool downwards, then an inner hole of the workpiece is placed along the threaded section and is abutted to the limiting disc, the specific orientation of the expansion sleeve is determined according to the condition of a specific workpiece, then the conical surface of the expansion sleeve faces downwards and is placed along the threaded section until the outer circle of the expansion sleeve is contacted with the inner hole of the workpiece, then the expansion sleeve slides downwards under the action of gravity, then the expansion sleeve is clamped due to the fact that the inner conical surface of the expansion sleeve is matched with the outer conical surface of the conical section, then the pressing gasket is placed into the cylindrical guide section along the threaded section, the part on the pressing gasket is attached to the outer wall of the threaded section, finally the nut is placed into the nut along the threaded section, the nut presses the pressing gasket and the expansion sleeve, the expansion sleeve is pressed to enable the expansion sleeve to be axially displaced and expanded, the inner conical surface of the expansion sleeve is gradually attached to the outer conical surface of the conical section, finally the expansion is completed, and the workpiece and the positioning and clamping mechanism have good coaxiality.

A plurality of expansion and contraction grooves 8 are uniformly formed in the side wall of the expansion sleeve 5, safety holes 9 for preventing the expansion and contraction grooves 8 from cracking are formed in the tail ends of the expansion and contraction grooves 8, the expansion sleeve 5 is convenient to expand due to the expansion and contraction grooves 8, and the safety holes 9 can prevent the expansion and contraction grooves 8 from cracking; the number of the expansion and contraction grooves 8 is 3, and the safety and the stability are good under the condition that the expansion efficiency of the expansion sleeve 5 is not influenced.

One side that the pressure washer 6 is close to the cover that rises is provided with the indent 13, it is provided with the shock attenuation clamp plate 15 to slide in the indent 13, be connected through buffer spring 14 between the inner wall of shock attenuation clamp plate 15 and indent 13, the pressure washer is compressing tightly on the cover that rises by the nut, the shock attenuation clamp plate supports under buffer spring's effect and is sheathe in rising, buffer spring's setting can absorb the mutual effort between pressure washer and the cover that rises, reduce mutual loss between cover and the pressure washer that rises, and can reduce the vibrations when the nut compresses tightly the operation.

In order to ensure the installation precision of the workpiece, the component parts of the tool have higher form and position tolerance precision. When workpieces with small size differences are installed, the tool parts with the same size can be used between the workpieces. When the sizes of the workpieces have larger difference and can not share the same tool, parts such as the expansion sleeve and the like can be replaced and can be combined with each other. After the workpiece is machined, the nut is loosened by 2 pitches, so that the expansion sleeve is loosened and restored from expansion deformation, and then the workpiece can be detached.

It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims (4)

1. The utility model provides a gear shaping installation location frock, its characterized in that, includes positioning and clamping mechanism, the cover that rises, pressure packing ring and nut, positioning and clamping mechanism including set gradually be used for with the lathe be connected the installation section, support the section, be used for limiting workpiece axial displacement's spacing dish, be used for with rise cover matched with toper section, be used for with pressure packing ring matched with cylinder guide section and be used for with nut screw-thread fit's screw thread section, installation section, support section, spacing dish, toper section, cylinder guide section and the equal coaxial setting of screw thread section.

2. The gear shaping installation and positioning tool of claim 1, wherein a plurality of expansion and contraction grooves are uniformly formed in the side wall of the expansion sleeve, and safety holes for preventing the expansion and contraction grooves from cracking are formed in the tail ends of the expansion and contraction grooves.

3. The gear shaping installation and positioning tool of claim 2, wherein the number of the expansion and contraction grooves is 3.

4. The gear shaping installation and positioning tool according to claim 1, 2 or 3, wherein a pressure groove is formed in one side, close to the expansion sleeve, of the pressure washer, a damping pressure plate is arranged in the pressure groove in a sliding mode, and the damping pressure plate is connected with the inner wall of the pressure groove through a buffer spring.

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