CN213135326U

CN213135326U - Combined fixture for grinding gear top circle

Info

Publication number: CN213135326U
Application number: CN202021737151.2U
Authority: CN
Inventors: 冯光春
Original assignee: Ningbo Renying Seiko Co ltd
Current assignee: Ningbo Renying Seiko Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-07
Anticipated expiration: 2030-08-19

Abstract

The utility model provides a gear grinding top circle modular fixture belongs to gear machining's technical field. A combined clamp for grinding a gear top circle comprises a mandrel and a locking block; the utility model discloses a set up the dabber that one end has the chassis, and can dismantle in the other end of dabber and be connected with a latch segment, the dismouting of latch segment at the spindle has been realized, thereby realized that a plurality of gears of treating processing can overlap and locate the spindle and compress tightly through chassis and latch segment, the disposable processing to a plurality of gear tooth apical circle has been realized simultaneously, the problem of single gear machining needs a lot of clamping has been avoided, machining efficiency has not only been improved, operator's work burden has been alleviateed, manufacturing cost is reduced, and simultaneously, still reduce the number of times of anchor clamps dismouting, the easy damage problem of anchor clamps because of frequent dismouting leads to has been avoided, the life of anchor clamps has been prolonged, also make corresponding equipment can realize the processing to a plurality of gears simultaneously, the utilization ratio of equipment has been improved, more be favorable to the batch production of gear and make.

Description

Combined fixture for grinding gear top circle

Technical Field

The utility model relates to a gear machining's technical field specifically relates to a grind tooth apical circle modular fixture.

Background

The processing quality of the gear teeth of the gear is directly related to the use performance of the gear, so that the polishing of the top circle of the gear is a necessary process step for gear processing.

In the process of the gear grinding and top rounding process of the traditional gear, due to the structural limitation of the clamp, an operator can only grind the gear top rounding of a single gear, firstly, the single gear to be machined needs to be clamped on the clamp, then, related equipment is controlled to grind the gear top rounding of the gear, and the gear top rounding is detached from the clamp after the grinding is finished. However, the existing addendum circle grinding process can only process gears individually, and cannot realize synchronous processing of a plurality of gears, so that when a plurality of gears are processed, an operator needs to repeatedly disassemble and assemble the clamp, the processing efficiency is low, the labor burden of the operator is increased, the manufacturing cost is increased, in addition, the clamp is frequently disassembled and assembled, the damage of the clamp is easily caused, the service life of the clamp is shortened, and meanwhile, related equipment can only process one gear at a time, so that the problem of low equipment utilization rate is caused.

Disclosure of Invention

To the above-mentioned problem that exists among the prior art, it aims at providing a gear grinding top circle modular fixture now, in order to set up the dabber that one end has the chassis, the other end of dabber can be dismantled and is provided with the latch segment, make a plurality of gears homoenergetic cover that need process locate on the dabber and compress tightly through chassis and latch segment, realized the disposable clamping to a plurality of gears, operator's work burden has been lightened, make relevant equipment can polish processing to the top circle of a plurality of gears on the anchor clamps simultaneously, machining efficiency is improved, manufacturing cost is reduced, in addition, still can reduce the number of times of anchor clamps dismouting, the easy damage problem of anchor clamps because of the dismouting frequently leads to has been avoided, the life of anchor clamps has been prolonged, in addition, also make the gear quantity of relevant equipment one-time processing more, the utilization ratio of equipment has been promoted, more be favorable to the batch production of gear and.

The specific technical scheme is as follows:

a modular jig for rounding a tooth top having the characteristics comprising: dabber and latch segment, the one end of dabber is provided with the chassis, and the chassis is along the radial outstanding outer wall setting in the dabber of dabber, and the other end of dabber can be dismantled and be connected with a latch segment, and simultaneously, the border of latch segment is outstanding in the outer wall setting of dabber, and the terminal surface that one side that the latch segment is close to the chassis is the plane.

The tooth-grinding top-circle combined clamp comprises a locking block, a mandrel and a connecting screw block, wherein the locking block is in threaded connection with the mandrel, the mandrel is connected with the end face of one end of the locking block, the connecting screw block is arranged along the axial direction of the mandrel, a threaded hole is formed in the center of the locking block, and the locking block is sleeved outside the connecting screw block.

The combined fixture for grinding the gear top circle is characterized in that an avoiding hole which is coaxially arranged with the mandrel is formed in the end face of one side, close to the chassis, of the locking block, and the aperture of the avoiding hole is larger than the diameter of the mandrel.

The tooth grinding top circle combined clamp is characterized in that a plurality of tool faces are arranged on the outer wall of the locking block, the tool faces are flat faces, and the tool faces are distributed on the locking block in an annular array mode by taking a hole shaft of a threaded hole as the center.

The tooth-grinding tip circle combined clamp is characterized in that an embedded groove is formed in the outer wall of the mandrel along the axial direction of the mandrel, one end of the embedded groove is located at the joint of the outer wall, protruding out of the mandrel, of the chassis, the other end of the embedded groove extends to the end face, provided with the connecting screw block, of the mandrel, and an opening is formed in the end face, provided with the connecting screw block, of the embedded groove.

The tooth-grinding top-circle combined clamp is characterized in that a positioning strip which is arranged along the axial direction of the mandrel is embedded in the caulking groove, the positioning strip extends into the caulking groove from the opening of the caulking groove, one end of the positioning strip abuts against the chassis, and the positioning strip protrudes out of the caulking groove along the radial direction of the mandrel.

In the above combined fixture for grinding the gear top circle, the positioning strip is connected with the caulking groove in an interference fit manner.

The utility model provides a foretell gerar grinding tip circle modular fixture, wherein, a plurality of spacing grooves have been seted up on the chassis and lie in the part of outstanding outer wall in dabber, and the spacing groove is located one side that the chassis is close to the latch segment, and simultaneously, spacing dish and gag lever post still are provided with, spacing dish circularity sets up, the dabber is located to spacing dish cover, and one side that the spacing dish is close to the chassis is provided with the stopper of embedding spacing inslot, and simultaneously, one side that just lies in it and is close to the latch segment on the spacing dish is provided with the gag lever post that is on a parallel with the dabber and arranges, and be provided with.

According to the combined fixture for grinding the gear top circle, the limiting disc is provided with the limiting hole, one end of the limiting rod is inserted into the limiting hole, and the limiting rod and the limiting hole are in interference fit.

The positive effects of the technical scheme are as follows:

foretell gear grinding apical circle modular fixture, have the dabber on chassis through setting up one end, and can dismantle in the other end of dabber and be connected with a locking piece, make a plurality of gears of treating processing can overlap simultaneously and locate the spindle and compress tightly through chassis and locking piece, make and to carry out synchronous processing to the apical circle of a plurality of gears, can alleviate operator's work burden, machining efficiency is improved, manufacturing cost is reduced, can also reduce the number of times of anchor clamps dismouting, the fragile problem of anchor clamps frequent leading to because of the dismouting has been avoided, the life of anchor clamps has been prolonged, in addition, the quantity of processing gear in the same time is more, thereby effectively promoted the utilization ratio of equipment, be more favorable to the batch production manufacturing of gear.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a combination jig for grinding a tooth top circle according to the present invention;

FIG. 2 is a view showing a structure of the present invention in which a plurality of gears are mounted;

FIG. 3 is a schematic view of a mandrel according to a preferred embodiment of the present invention;

FIG. 4 is a structural diagram of a locking block according to a preferred embodiment of the present invention;

FIG. 5 is a structural diagram of the present invention with caulking grooves and positioning bars;

fig. 6 is a structural diagram of the present invention, which is provided with a position-limiting groove, a position-limiting plate and a position-limiting rod.

In the drawings: 1. a mandrel; 11. a chassis; 12. connecting the screw block; 13. caulking grooves; 111. a limiting groove; 2. a locking block; 21. a threaded hole; 22. avoiding holes; 23. a tool face; 3. a positioning bar; 4. a limiting disc; 41. a limiting hole; 5. a limiting rod; 6. a gear.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 6, but the following contents are not intended to limit the present invention.

FIG. 1 is a schematic diagram of an embodiment of a combination jig for grinding a tooth top circle according to the present invention; fig. 2 is a structural diagram of the present invention in which a plurality of gears are mounted. As shown in fig. 1 and 2, the present embodiment provides a combined jig for rounding a tooth top, including: dabber 1 and latch segment 2, a plurality of gear 6 cover of treating processing are located dabber 1 on, compress tightly through latch segment 2, realize the clamping to a plurality of gear 6 of treating processing, provide the condition for the processing of polishing of the addendum circle of realizing a plurality of gears 6 simultaneously.

Specifically, dabber 1 is the cylinder structure, the one end of dabber 1 is provided with chassis 11, and chassis 11 radially outstanding in dabber 1 outer wall setting along dabber 1, chassis 11 forms an evagination structure in the one end of dabber 1 promptly, locate the terminal surface of treating processing gear 6 on dabber 1 for the cover through chassis 11 and provide and lean on the basis, and, chassis 11 outstanding position in dabber 1 outer wall and the terminal surface that is located one side of dabber 1 are the plane, make chassis 11 and the terminal surface of treating the gear 6 of processing can closely laminate, the reliability of gear 6 installation has been guaranteed, gear 6 machining precision has been guaranteed. Meanwhile, the other end of the mandrel 1 is detachably connected with a locking block 2, namely the locking block 2 can be fixedly connected on the mandrel 1 and can also be separated from the mandrel 1, so that the gear 6 to be processed is conveniently sleeved on the mandrel 1, and when the locking block 2 is fixedly connected on the mandrel 1, the locking block 2 can tightly press the gear 6 to be processed sleeved on the mandrel 1 to prevent the gear 6 to be processed from moving on the mandrel 1, in addition, the edge of the locking block 2 is protruded out of the outer wall of the mandrel 1, the end surface of one side of the locking block 2 close to the chassis 11 is a plane, so that the edge of the locking block 2 can contact the end surface of the gear 6 to be processed, the side of the locking block 2 pressing the end surface of the gear 6 to be processed is a plane structure, the tight fit between the locking block 2 and the end surface of the gear 6 is ensured, and the installation reliability of the gear 6 is further ensured, the machining precision of the gear 6 is ensured.

FIG. 3 is a schematic view of a mandrel according to a preferred embodiment of the present invention; fig. 4 is a structural diagram of a locking block according to a preferred embodiment of the present invention. As shown in fig. 1 to 4, be provided with the connection spiral shell piece 12 that stretches out along its axial on the terminal surface that dabber 1 is connected with the one end of latch segment 2, be provided with the external screw thread on the connection spiral shell piece 12, and simultaneously, screw hole 21 has and connects the interior screw thread of screw-thread fit on the screw thread, and simultaneously, and outside the screw hole 21 cover of latch segment 2 was located connection spiral shell piece 12, latch segment 2 is threaded connection with dabber 1, make things convenient for the dismouting of latch segment 2 on dabber 1, make latch segment 2 can adjust its position on connection spiral shell piece 12 along the axial of dabber 1, thereby realize the compressing tightly and loosening of the gear 6 of treating processing of establishing on the dabber 1 cover, the clamping is more convenient, structural design is more reasonable.

More specifically, offer on the terminal surface of latch segment 2 near one side of chassis 11 with the coaxial hole 22 of dodging of arranging of dabber 1, at this moment, dodge hole 22 still with the coaxial setting of screw hole 21, and, the aperture of dodging hole 22 is greater than the diameter of dabber 1, make latch segment 2 in the spiro union back on connecting spiral shell piece 12, and when latch segment 2 rotated through self and along the axial displacement of dabber 1, the tip of dabber 1 can stretch into dodge in the hole 22, longer adjusting distance has been provided for the removal of latch segment 2, thereby make the terminal surface of latch segment 2 can be better contact the terminal surface of the gear 6 of treating processing of cover locating on the dabber 1, thereby make latch segment 2 can reliably and stable compress tightly the gear 6 of treating processing, guarantee the validity of gear 6 clamping, guarantee the precision of gear 6 processing.

More specifically, can dismantle and be provided with a plurality of instrument face 23 on the outer wall of the latch segment 2 of connecting on dabber 1, a plurality of instrument face 23 is the plane, and, a plurality of instrument face 23 uses the hole axle of screw hole 21 to be annular array distribution as the center on latch segment 2, at this moment, each instrument face 23 all arranges along the tangential direction of screw hole 21, preferably, instrument face 23 on the latch segment 2 is provided with four or six, form quadrangle or hexagon structure, made things convenient for the operator to carry out the dismouting to latch segment 2 with the help of instruments such as spanners, structural design is more reasonable.

In addition, a clamp with a limiting structure on the mandrel is further provided. Fig. 5 is a structural diagram of the present invention with caulking grooves and positioning bars according to a preferred embodiment. As shown in fig. 1, fig. 2 and fig. 5, at this time, an insertion groove 13 is formed in the outer wall of the mandrel 1 along the axial direction thereof, at this time, one end of the insertion groove 13 is located at the joint where the chassis 11 protrudes out of the outer wall of the mandrel 1, the other end of the insertion groove 13 extends to the end face of the mandrel 1 where the connection screw block 12 is provided, that is, the insertion groove 13 can completely cover the length direction of the mandrel 1, so that the mandrel 1 has corresponding insertion groove 13 regions in the length direction, and the insertion groove 13 is provided with an opening at the end face of the mandrel 1 where the connection screw block 12 is provided, so that one end of the insertion groove 13 is in a completely open state, thereby facilitating the disassembly and assembly of the structural components in the insertion. Preferably, the cross section of the caulking groove 13 is a structure with a small top and a large bottom, that is, the width of the notch of the caulking groove 13 at the outer wall of the mandrel 1 is small, and the width of the groove bottom of the caulking groove 13 at the side of the axis of the mandrel 1 is large, so that the side wall of the caulking groove 13 is an inclined plane, and a condition is provided for limiting the structural components in the subsequent caulking groove 13.

More specifically, embedded being equipped with one along the axial of dabber 1 location strip 3 of arranging of caulking groove 13, at this moment, location strip 3 stretches into to caulking groove 13 from the opening part of caulking groove 13 in, and the one end of location strip 3 supports and leans on chassis 11, and is same, the cross section of location strip 3 is unanimous with the cross sectional shape of caulking groove 13, guarantee that location strip 3 can stable installation in caulking groove 13, and simultaneously, radial salient in the caulking groove 13 of dabber 1 is followed to location strip 3, make the part of location strip 3 salient outside caulking groove 13 can block to the cover locate the dabber 1 on the keyway of the gear 6 of treating processing, thereby realized treating the spacing of the gear 6 of processing, make the stability of the gear 6 of treating the installation on dabber 1, thereby the accuracy of gear 6 processing has been guaranteed.

More specifically, the locating strip 3 that inlays in locating caulking groove 13 is connected for interference fit with caulking groove 13 for there is not the fit clearance between locating strip 3 and the caulking groove 13, thereby has guaranteed the accuracy and the reliability of locating strip 3 installation in caulking groove 13, provides the condition for guaranteeing the stable and accurate clamping of the gear 6 of treating processing on dabber 1, and structural design is more reasonable.

In addition, still provide still another mandrel and take limit structure's anchor clamps. FIG. 6 is a structural diagram of the present invention, which is provided with a spacing groove, a spacing disc and a spacing rod, as shown in FIG. 1, FIG. 2 and FIG. 6, at this time, a plurality of spacing grooves 111 are opened on the chassis 11 and on the portion protruding out of the outer wall of the mandrel 1, and the spacing grooves 111 are located on one side of the chassis 11 near the locking block 2, meanwhile, a spacing disc 4 and a spacing rod 5 are further provided, the spacing disc 4 is annularly arranged, the spacing disc 4 is sleeved on the mandrel 1, so that the spacing disc 4 can move on the mandrel 1, which facilitates the installation of the spacing disc 4 on the mandrel 1, and one side of the spacing disc 4 near the chassis 11 is provided with a spacing block embedded in the spacing groove 111, when the spacing disc 4 is sleeved on the mandrel 1 and moves to the position abutting against the chassis 11, the spacing block on the spacing disc 4 is embedded in the spacing groove 111 on the chassis 11, thereby realizing the stable and accurate installation of the spacing disc 4 on the base, simultaneously, the spacing disc 4 and be located its one side that is close to latch segment 2 and be provided with the gag lever post 5 that is on a parallel with dabber 1 and arranges, and be provided with the interval between gag lever post 5 and the dabber 1, because spacing disc 4 passes through the stable and accurate installation of stopper on the base, make the setting of being on a parallel with dabber 1 that gag lever post 5 can be stable and accurate, thereby make gag lever post 5 can insert the dismouting downthehole that is used for the dismouting on the gear 6 of treating processing, realized treating the spacing of gear 6 of processing, thereby the accuracy of gear 6 processing has been guaranteed.

More specifically, spacing hole 41 has been seted up on spacing dish 4 to, the one end of gag lever post 5 is inserted and is located spacing hole 41, and gag lever post 5 and spacing hole 41 are interference fit, make the stable and accurate installation of gag lever post 5 ability on spacing dish 4, for guaranteeing to treat that the stable and accurate clamping of gear 6 of processing provides the condition on dabber 1. Similarly, in order to ensure the stability and accuracy of the connection between the limiting disc 4 and the chassis 11, the limiting block and the limiting groove 111 can be matched in an interference manner, and the structural design is more reasonable.

The combined fixture for grinding the gear top circle provided by the embodiment comprises a mandrel 1 and a locking block 2, wherein the mandrel 1 with a chassis 11 at one end is arranged, the locking block 2 is detachably connected to the other end of the mandrel 1, and the locking block 2 is disassembled and assembled on the mandrel 1, so that a plurality of gears 6 to be processed can be sleeved on the mandrel 1 and pressed through the chassis 11 and the locking block 2, the gears 6 to be processed can be simultaneously clamped, the addendum circles of the gears 6 can be simultaneously processed at one time, the problem that multiple times of clamping are needed in the processing of a single gear 6 is solved, the processing efficiency is improved, the work burden of an operator is reduced, the manufacturing cost is reduced, meanwhile, the times of disassembling and assembling of the fixture are reduced, the problem that the fixture is easily damaged due to frequent disassembling and assembling is solved, the service life of the fixture is prolonged, and the corresponding equipment can simultaneously process the gears 6, the utilization rate of the equipment is improved, and the mass production and the manufacture of the gear 6 are facilitated.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims

1. A combination jig for grinding a tooth top circle, comprising: the locking device comprises a mandrel and a locking block, wherein a chassis is arranged at one end of the mandrel, the chassis protrudes out of the outer wall of the mandrel along the radial direction of the mandrel, the other end of the mandrel is detachably connected with the locking block, meanwhile, the edge of the locking block protrudes out of the outer wall of the mandrel, and the end face, close to one side of the chassis, of the locking block is a plane.

2. The combined clamp for grinding the top circle of the tooth according to claim 1, wherein the locking block is in threaded connection with the core shaft, a connecting screw block is arranged on the end surface of one end of the core shaft connected with the locking block along the axial direction of the core shaft, a threaded hole is formed in the center of the locking block, and the threaded hole of the locking block is sleeved outside the connecting screw block.

3. The combined clamp for grinding the gear top circle according to claim 2, wherein an avoiding hole which is coaxially arranged with the mandrel is formed in the end face of one side, close to the chassis, of the locking block, and the aperture of the avoiding hole is larger than the diameter of the mandrel.

4. The combination clamp of claim 2, wherein the outer wall of the locking block is provided with a plurality of tool faces, the plurality of tool faces are all flat, and the plurality of tool faces are distributed on the locking block in an annular array centered on the hole axis of the threaded hole.

5. The combined jig for grinding a tooth top circle according to any one of claims 2 to 4, wherein a caulking groove is formed on the outer wall of the mandrel along the axial direction thereof, one end of the caulking groove is located at a joint where the base plate protrudes out of the outer wall of the mandrel, the other end of the caulking groove extends to an end face of the mandrel where the connecting screw block is provided, and the caulking groove is provided with an opening at the end face of the mandrel where the connecting screw block is provided.

6. The combined fixture for grinding the crown circle of the gear according to claim 5, wherein a positioning strip is embedded in the caulking groove and arranged along the axial direction of the mandrel, the positioning strip extends into the caulking groove from an opening of the caulking groove, one end of the positioning strip is abutted against the chassis, and the positioning strip protrudes out of the caulking groove along the radial direction of the mandrel.

7. The ground crown round modular fixture of claim 6 wherein the locating bar is in interference fit connection with the caulking groove.

8. The combined fixture for grinding the gear top circle according to any one of claims 2 to 4, wherein a plurality of limiting grooves are formed in the part, protruding out of the outer wall of the mandrel, of the chassis, the limiting grooves are formed in one side, close to the locking block, of the chassis, meanwhile, a limiting disc and a limiting rod are further arranged, the limiting disc is annularly arranged, the mandrel is sleeved with the limiting disc, a limiting block embedded into the limiting grooves is arranged on one side, close to the chassis, of the limiting disc, meanwhile, the limiting rod arranged in parallel to the mandrel is arranged on one side, close to the locking block, of the limiting disc, and a gap is formed between the limiting rod and the mandrel.

9. The combined jig for grinding the gear top circle as claimed in claim 8, wherein the limiting disc is provided with a limiting hole, one end of the limiting rod is inserted into the limiting hole, and the limiting rod and the limiting hole are in interference fit.