CN114406365B - Gear turning clamp - Google Patents
Gear turning clamp Download PDFInfo
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- CN114406365B CN114406365B CN202111630549.5A CN202111630549A CN114406365B CN 114406365 B CN114406365 B CN 114406365B CN 202111630549 A CN202111630549 A CN 202111630549A CN 114406365 B CN114406365 B CN 114406365B
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- sleeve
- sliding groove
- air
- cover
- cylindrical sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
Abstract
The utility model relates to a car tooth anchor clamps, including the anchor clamps main part, the cylindricality spout has been seted up to the coaxial on one side of anchor clamps main part, there is the cover of drawing along the axis sliding connection of cylindricality spout on the cylindricality spout, draw and to dismantle the cover that rises that is connected with and is used for the centre gripping work piece on the cover, first conical surface has been seted up on the circumference outer wall of the cover that rises, set up the second conical surface that matches with first conical surface on the circumference inner wall of cylindricality spout, first conical surface laminates the second conical surface all the time and slides, the connection can be dismantled on pulling the cover to the pull rod, the one end orientation of pull rod is kept away from the cover one side that rises and is stretched out the anchor clamps main part. Pulling the pull rod, the pull rod drives through the pull sleeve that rises to overlap and slide on the second inclined plane to make the cover that rises press from both sides tight pull rod, because the cover circumference inner wall butt that rises on the circumference outer wall of work piece, the clamping-force that the work piece circumferential direction received can be more even, and the work piece is difficult for breaking away from the cover that rises simultaneously, thereby makes the work piece more stable at the in-process of car tooth, improves the precision of work piece car tooth.
Description
Technical Field
The application relates to the field of clamps, in particular to a turning tooth clamp.
Background
The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. When a workpiece is subjected to gear turning, a single workpiece to be subjected to gear turning is usually fixed on a fixture of a machine tool machining table, then the workpiece is machined, and after the machining is finished, the workpiece is taken off from the fixture and replaced by another workpiece to be machined.
As shown in fig. 1, the related art tooling fixture includes a base 3, a driving member 32, and two clamping jaws 31 disposed opposite to each other, where the two clamping jaws 31 are slidably connected to the base 3 along a direction parallel to each other, and the driving member 32 drives the two clamping jaws 31 to slide along a direction of one side approaching to or departing from each other.
The above-mentioned related technical solutions have the following drawbacks: when the tool clamp is used for clamping a workpiece to perform gear turning on the workpiece, the two clamping jaws respectively apply force to clamp the workpiece on two sides of the workpiece, so that when the workpiece rotates to perform gear turning, the precision of the gear turning of the workpiece is reduced due to uneven clamping force applied to the workpiece, and the possibility that the workpiece is separated from the clamping jaws is increased.
Disclosure of Invention
In order to improve the precision of work piece car tooth, this application provides a car tooth anchor clamps.
The application provides a turning tooth anchor clamps adopts following technical scheme:
a turning tooth clamp comprises a clamp body, wherein a cylindrical sliding groove is coaxially formed in one side face of the clamp body, a pull sleeve is connected to the cylindrical sliding groove in a sliding mode along the axis of the cylindrical sliding groove, an expansion sleeve used for clamping a workpiece is detachably connected to the pull sleeve, the expansion sleeve has deformability, a first conical surface is formed in the circumferential outer wall of the expansion sleeve, a second conical surface matched with the first conical surface is formed in the circumferential inner wall of the cylindrical sliding groove, the end, close to the bottom wall of the cylindrical sliding groove, of the second conical surface is arranged in a flaring mode to the end, away from the bottom wall of the cylindrical sliding groove, of the second conical surface, the first conical surface that rises the cover laminates the second conical surface of cylindricality spout all the time and slides, draw and sheathe in the coaxial mounting hole of seting up both ends intercommunication, the pull rod is worn to stretch the mounting hole setting and can dismantle and connect and pull sheathe in, the pull rod is along the axis direction sliding connection who is on a parallel with the anchor clamps main part in the anchor clamps main part, the one end orientation of pull rod is kept away from to rise set one side and is stretched out the anchor clamps main part and supply external power source to carry out reciprocating drive, and when the tight work piece of cover clamp that rises, the circumference inner wall that rises the cover is hugged closely to the circumference outer wall of work piece.
Through adopting above-mentioned technical scheme, through the pulling pull rod, the pull rod drives through drawing the cover and rises the cover and slide on the second inclined plane to make the cover that rises press from both sides tight pull rod, because the cover circumference inner wall butt that rises on the circumference outer wall of work piece, the clamping-force that work piece circumferential direction received can be more even, and the work piece also is difficult for breaking away from the cover that rises simultaneously, thereby makes the work piece more stable at the in-process of car tooth, improves the precision of work piece car tooth.
Preferably, still include butt sleeve and a plurality of transition spacer bush, a plurality of transition spacer bushes are along the circumference direction evenly distributed of cylindricality spout on the cylindricality spout, the both ends of transition spacer bush are fixed respectively on cylindricality spout diapire and on the side of one side of transition spacer bush towards cylindricality spout diapire, the length direction of transition spacer bush is on a parallel with the axis direction of anchor clamps main part, and many transition spacer bushes are all worn to establish and are drawn the cover setting, draw the cover along being on a parallel with the length direction sliding connection of transition spacer bush on many transition spacer bushes, draw the cover to establish and follow the axis direction sliding connection who is on a parallel with the anchor clamps main part and sheathe in the butt, make the butt cover keep away from the one end terminal surface of drawing the cover and be the butt face, when the tight work piece of cover clamp, the one end terminal surface of work piece supports tightly on the butt face.
Through adopting above-mentioned technical scheme, through setting up the butt cover, when can making the work piece by the cover centre gripping that rises, still more the spacing of butt cover, the circumference outer wall homoenergetic that makes the one end terminal surface of work piece and work piece can be restricted, improves the stability of turning tooth anchor clamps centre gripping work piece.
Preferably, still include detection device and a plurality of precision spacer, a plurality of precision spacer along the circumference direction evenly distributed of cylindricality spout on the cylindricality spout, the precision spacer wears to establish and sliding connection is on pulling the cover, when the length direction perpendicular to cylindricality spout diapire of precision spacer and butt cover towards a side of cylindricality spout diapire, the both ends terminal surface of precision spacer supports tightly respectively on the cylindricality spout diapire and the butt cover towards a side of cylindricality spout diapire, detection device is used for detecting whether the clearance appears between the both ends of precision spacer and butt cover and the cylindricality spout diapire.
By adopting the technical scheme, the detection device is used for detecting the verticality of the precision spacer sleeve, and the verticality of the precision spacer sleeve is detected to detect the precision of the workpiece clamped by the expanding sleeve in the clamping state.
Preferably, the plurality of precision spacer bushes and the plurality of transition spacer bushes are arranged at intervals, and the spacing distance between every two adjacent precision spacer bushes is equal to that between every two adjacent transition spacer bushes.
Through adopting above-mentioned technical scheme, can improve and draw the stability of cover in the motion process, the precision spacer bush can be to drawing the cover everywhere and carrying out the precision detection simultaneously, improves the centre gripping precision of turning tooth anchor clamps.
Preferably, the detection device includes air feeder and atmospheric pressure detection device, set up the first gas circuit of both ends intercommunication on the precision spacer, a plurality of originated gas circuits have been seted up in the anchor clamps main part, and a plurality of originated gas circuits correspond a plurality of first gas circuits respectively, the both ends of originated gas circuit communicate air feeder and correspond first gas circuit intercommunication respectively, air feeder is used for steadily aerifing toward many originated gas circuits, a plurality of second gas circuits have been seted up on the pull sleeve, and a plurality of second gas circuits correspond a plurality of first gas circuits respectively, when the both ends terminal surface of precision spacer supported tightly respectively on cylindricality spout diapire and butt sheathe in, the both ends of second gas circuit communicate first gas circuit and mounting hole respectively, the pull rod is in unsettled state and not laminate with the inner wall of mounting hole in the mounting hole under air feeder's the effect of aerifing, when the position of pull sleeve appears squinting, the pull rod can laminate on a certain inner wall of mounting hole, atmospheric pressure detection device is used for detecting the atmospheric pressure change in the originated gas circuit.
Through adopting above-mentioned technical scheme, when the skew appears in the position of drawing the cover, can exert an influence to the precision of work piece centre gripping, can appear the clearance between certain precision spacer bush and cylindricality spout diapire and the butt cover simultaneously, the air current that air feeder blew off can leak gas before these precision spacer bushes reachs the mounting hole again this moment, the blowing force that leads to the pull rod each department to receive is uneven, can lead to the pull rod no longer unsettled but can the butt on certain department inner wall of mounting hole, atmospheric pressure detection device can detect the atmospheric pressure change in the originated gas circuit, when detecting atmospheric pressure unusual, just prove that the skew appears in the position of drawing the cover at present, need operating personnel to overhaul the car tooth anchor clamps.
Preferably, a plurality of third gas circuits have been seted up on the butt cover, and a plurality of third gas circuits correspond a plurality of first gas circuits respectively, the one end of third gas circuit extends to on the butt face and communicates with the external world, the other end of third gas circuit is close to first gas circuit setting, and when the both ends terminal surface of precision spacer sleeve supported tightly respectively on the cylindricality spout diapire and the butt was sheathe in, the other end and the first gas circuit intercommunication of third gas circuit, when the tight work piece of cover clamp that rises, the work piece butt is on the butt face and plugs up third gas circuit and external intercommunication department.
Through adopting above-mentioned technical scheme, when the skew appears in the position of work piece, one side of work piece does not laminate completely on the butt face, certain third gas circuit outflow can be followed to the air current that leads to air feeder to blow off more than from second gas circuit one side, thereby make the air current intensity that the second gas circuit blew off weaken, the blowing force that leads to the pull rod to receive everywhere is uneven, make the pull rod no longer unsettled but can the butt on certain inner wall of mounting hole, when detecting atmospheric pressure when unusual, just prove that the skew appears in the position of drawing the cover at present, need operating personnel to overhaul the turning tooth anchor clamps. .
Preferably, the end that first gas circuit was kept away from to the third gas circuit and the end that the originated gas circuit was kept away from to first gas circuit all are equipped with sound generating mechanism, and the sound generating mechanism who is located first gas circuit is located one side that the originated gas circuit was kept away from to the second gas circuit, and when the air current flowed through sound generating mechanism, sound generating mechanism sent sound.
Through adopting above-mentioned technical scheme, when the normal centre gripping of car tooth anchor clamps, when the air current flowed in from originated gas circuit, can not always through the sound generating mechanism of first gas circuit and third gas circuit, so under normal clamping state, sound generating mechanism can not the sound production, the clamping position when the work piece takes place the skew, perhaps draw the position of cover to take place the skew, third gas circuit or first gas circuit gas leakage this moment, the air current can be always through the sound generating mechanism of third gas circuit or first gas circuit after flowing in from originated gas circuit, thereby make sound generating mechanism send out the sound, the operating personnel of being convenient for finds the source of problem fast, make operating personnel can in time maintain it.
Preferably, sound generating mechanism includes limit arris piece and two blocks that hide, shelter from the piece and fix on third gas circuit or first gas circuit, two block leave the slot between the piece and supply the air current to pass through, limit arris piece is fixed on third gas circuit or first gas circuit, limit arris piece is located to correspond and shelters from one side that the piece kept away from initial gas circuit and just sets up to the slot.
Through adopting above-mentioned technical scheme, when the centre gripping position of work piece takes place the skew, when one side of work piece did not laminate completely on the butt face promptly, the air current can flow in the third gas circuit this moment, because sound generating mechanism's setting, the air current can only pass through and blow to limit arris piece from the slot, and the air current can send the arris sound this moment to suggestion operating personnel work piece where does not support tight butt face, the operating personnel of being convenient for adjusts the work piece.
In summary, the present application includes at least one of the following beneficial technical effects:
the workpiece is clamped by the expansion sleeve, so that the clamping force applied to the workpiece in the circumferential direction is uniform, and the workpiece is not easy to separate from the expansion sleeve, so that the workpiece is more stable in the process of gear turning, and the precision of the gear turning of the workpiece is improved;
through setting up precision spacer bush and detection device, when detection device detected atmospheric pressure unusual, just prove that the skew appears in the position of drawing the cover at present, need operating personnel to overhaul the turning tooth anchor clamps.
Drawings
Fig. 1 is an overall structural diagram of the related art.
Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.
Fig. 4 is an enlarged view at B in fig. 3.
Description of reference numerals: 1. a clamp body; 11. a cylindrical chute; 111. a second tapered surface; 12. pulling the sleeve; 121. a barrel; 1211. a sliding groove; 122. a bottom cover; 1221. a second gas path; 1222. mounting holes; 13. a transition spacer bush; 14. a precision spacer bush; 141. a first gas path; 142. receiving the gas circuit; 143. starting a gas circuit; 15. a pull rod; 151. a limiting ring; 152. a first bolt; 16. a butting sleeve; 161. a third gas path; 162. a butting surface; 163. a movable through groove; 164. a dust cover; 165. a second bolt; 17. expanding sleeves; 171. a sliding block; 172. a first conical surface; 18. a sound producing device; 181. edge blocks; 182. a stop block is shielded; 183. narrow gaps; 2. a workpiece; 3. a base; 31. a clamping jaw; 32. a drive member.
Detailed Description
The present application is described in further detail below with reference to figures 2-4.
The embodiment of the application discloses turning tooth anchor clamps.
Referring to fig. 2 and 3, a turning tooth clamp of this embodiment includes clamp body 1, and clamp body 1 is cylindricly setting, has seted up cylindricality spout 11 on one of them side of clamp body 1, cylindricality spout 11 and the coaxial setting of clamp body 1, have along being on a parallel with the axis direction sliding connection of clamp body 1 on the cylindricality spout 11 and draw set 12, draw set 12 including end cover 122 and barrel 121, the circumference outer wall of end cover 122 is fixed on the circumference inner wall of barrel 121, end cover 122 and the coaxial setting of barrel 121, end cover 122 is located the one end of barrel 121, barrel 121 along being on a parallel with the axis direction sliding connection of clamp body 1 on cylindricality spout 11.
Referring to fig. 2 and 3, a mounting hole 1222 communicated with two ends is coaxially formed in the bottom sleeve 122, the pull rod 15 is detachably connected to the bottom sleeve 122, two limit rings 151 are sleeved on the circumferential outer wall of the pull rod 15 and fixedly connected to the circumferential outer wall of the pull rod 15, the pull rod 15 penetrates through the mounting hole 1222 to be arranged, the two limit rings 151 are respectively located on two sides of the bottom sleeve 122 and abut against the bottom sleeve 122, one of the limit rings 151 is connected with a plurality of first bolts 152, one end of each first bolt 152 penetrates through the corresponding limit ring 151 and is connected to the bottom sleeve 122 in a threaded manner, and the first bolts 152 are uniformly distributed along the circumferential direction of the limit rings 151. One end of the pull rod 15, facing the bottom wall of the cylindrical sliding groove 11, extends to extend out of the clamp body 1, the pull rod 15 can slide on the clamp body 1, and one end of the pull rod 15, extending out of the clamp body 1, is used for applying force by an external power source and reciprocates along the axial direction parallel to the pull rod 15.
Referring to fig. 2 and 3, an expansion sleeve 17 is detachably connected to the cylinder 121, and the expansion sleeve 17 is located on one side of the sleeve far away from the bottom sleeve 122. The side of the sleeve 17 facing the cylinder 121 is uniformly fixed with a plurality of sliding blocks 171 along the circumferential direction, the sliding blocks 171 are arranged in an L shape, one end of each sliding block 171 is vertically fixed on the side of the sleeve 17 facing the cylinder 121, the other end of each sliding block 171 faces the side away from the axis of the sleeve 17, a plurality of sliding grooves 1211 for slidably connecting the sliding blocks 171 are formed in the circumferential inner wall of the cylinder 121 along the circumferential direction, and an entering groove for the sliding blocks 171 to enter the sliding grooves 1211 from the outer side of the cylinder 121 is formed in each sliding groove 1211. When the expansion sleeve 17 is attached, the operator moves the expansion sleeve 17 to cause the sliding blocks 171 to enter the sliding grooves 1211 from the entrance grooves, then rotates the expansion sleeve 17 to cause the plurality of sliding blocks 171 to move to abut against the end walls of the sliding grooves, and then fixes the sliding blocks 171 to the cylinder 121 using the positioning bolts, one ends of which pass through the sliding blocks 171 and are screwed to the cylinder 121.
Referring to fig. 2 and 3, a first conical surface 172 is formed on the circumferential outer wall of the expansion sleeve 17, a second conical surface 111 matched with the first conical surface 172 is formed on the circumferential inner wall of one end of the cylindrical sliding groove 11 far away from the bottom wall of the cylindrical sliding groove 11, one end of the second conical surface 111 close to the bottom wall of the cylindrical sliding groove 11 is arranged in a flaring shape to the end far away from the bottom wall of the cylindrical sliding groove 11, and the first conical surface 172 of the expansion sleeve 17 is always attached to the second conical surface 111 of the cylindrical sliding groove 11 for sliding. The workpiece 2 is placed in the expansion sleeve 17, the expansion sleeve 17 surrounds the workpiece 2, the expansion sleeve 17 has certain deformability, one end, extending out of the clamp body 1, of the pull rod 15 is pulled towards the side far away from the cylindrical sliding groove 11, then the expansion sleeve 17 can gradually shrink towards one side of the workpiece 2 and clamp the workpiece 2, and at the moment, the circumferential outer wall of the workpiece 2 is tightly attached to the circumferential inner wall of the expansion sleeve 17.
Referring to fig. 2 and 3, a plurality of transition spacers 13 are vertically fixed on the bottom wall of the cylindrical sliding chute 11, the length direction of the transition spacers 13 is parallel to the axial direction of the fixture body 1, and the plurality of transition spacers 13 are uniformly distributed on the cylindrical sliding chute 11 along the circumferential direction of the cylindrical sliding chute 11. One end vertical fixation of transition spacer 13 is on the cylindricality spout 11 diapire, and the other end of transition spacer 13 is fixed with butt cover 16, and butt cover 16 sets up with anchor clamps main part 1 is coaxial. Transition spacer 13 wears to establish on end cover 122, and end cover 122 is along being on a plurality of transition spacer 13 of length direction sliding connection who is on a parallel with transition spacer 13, and butt cover 16 is located one side that end cover 122 kept away from cylindricality spout 11 diapire, and cylinder 121 encloses butt cover 16 including, and butt cover 16 is along being on a parallel with the axis direction sliding connection of butt cover 16 on cylinder 121.
Referring to fig. 2 and 3, the side surface of the abutment sleeve 16 away from the bottom sleeve 122 is an abutment surface 162, when the expansion sleeve 17 clamps the workpiece 2, the end surface of the workpiece 2 facing the abutment surface 162 abuts against the abutment surface 162, and the workpiece 2 can be more stably limited under the dual action of the expansion sleeve 17 and the abutment sleeve 16.
Referring to fig. 2 and 3, a movable through groove 163 is coaxially formed in the abutting sleeve 16 for the movement of the pull rod 15, a dust cover 164 is detachably connected to the abutting sleeve 16, a second bolt 165 is connected to the dust cover 164, the second bolt 165 penetrates through the dust cover 164 and is screwed to the abutting sleeve 16, and the dust cover 164 is located on one side of the abutting sleeve 16 far away from the bottom sleeve 122 and blocks the movable through groove 163.
Referring to fig. 2 and 3, the bottom sleeve 122 is provided with a plurality of precision spacers 14 in a penetrating manner and connected in a sliding manner along a direction parallel to the axis of the bottom sleeve 122, the length direction of the precision spacers 14 is parallel to the axis of the bottom sleeve 122, the plurality of precision spacers 14 are uniformly distributed on the bottom sleeve 122 along the circumferential direction of the bottom sleeve 122, the plurality of precision spacers 14 and the plurality of transition spacers 13 are arranged at intervals, and the interval distance between every two adjacent precision spacers 14 and the transition spacers 13 is equal. When the pull sleeve 12 is always coaxially arranged with the clamp body 1 in the moving process, the end surfaces of the two ends of the precision spacer sleeve 14 respectively abut against the bottom wall of the cylindrical sliding chute 11 and the side surface of one side of the abutting sleeve 16 facing the bottom wall of the cylindrical sliding chute 11; when the position of the pull sleeve 12 deviates, the pull sleeve 12 is not coaxially arranged with the clamp body 1, the precision spacer 14 is not perpendicular to the bottom wall of the cylindrical sliding groove 11 and the abutting sleeve 16, and a gap is formed between the precision spacer 14 and the bottom wall of the cylindrical sliding groove 11 or the abutting sleeve 16.
The gear turning clamp is further provided with a detection device, and the detection device is used for detecting the verticality of the precision spacer 14, namely, whether gaps exist between the two ends of the precision spacer 14 and the bottom walls of the abutting sleeves 16 and the cylindrical sliding grooves 11 or not is detected.
Referring to fig. 2 and 3, the detecting device includes an air supply device and an air pressure detecting device (not shown in the figure), a first air passage 141 having two ends communicated is provided on the precision spacer 14, a plurality of initial air passages 143 are provided on the fixture main body 1, the plurality of initial air passages 143 correspond to the plurality of first air passages 141 respectively, one end of the initial air passage 143 is used for communicating with the air supply device, when the pull sleeve 12 and the fixture main body 1 are coaxially arranged, the other end of the initial air passage 143 is directly communicated with one end of the first air passage 141 close to the cylindrical chute 11.
Referring to fig. 2 and 3, the pull sleeve 12 is provided with a plurality of second air paths 1221, the second air paths 1221 respectively correspond to the first air paths 141, one end of each second air path 1221 is communicated with the mounting hole 1222, and the other end of each second air path 1221 is close to the corresponding first air path 141. The precision spacer 14 is provided with a receiving air passage 142, one end of the receiving air passage 142 is communicated with the first air passage 141, and the other end of the receiving air passage 142 extends to be communicated with the outside. When the pull sleeve 12 and the clamp body 1 are coaxially arranged, one end of the second air passage 1221, which is far away from the mounting hole 1222, is communicated with the first air passage 141 through the receiving air passage 142.
Referring to fig. 2 and 3, a plurality of third air paths 161 are formed in the abutting sleeve 16, the plurality of third air paths 161 correspond to the plurality of first air paths 141 respectively, one end of each third air path 161 extends to the abutting surface 162 and is communicated with the outside, the other end of each third air path 161 is arranged close to the corresponding first air path 141, when the end surfaces of the two ends of the precision spacer sleeve 14 abut against the bottom wall of the cylindrical sliding groove 11 and the abutting sleeve 16 respectively, the other end of each third air path 161 is communicated with the corresponding first air path 141, and when the expansion sleeve 17 clamps the workpiece 2, the side surface of one side of the workpiece 2 abuts against the abutting surface 162 and blocks the communication position between the corresponding third air path 161 and the outside.
Referring to fig. 2 and 3, the air pressure detecting device is used to detect the air pressure change in the starting air path 143.
When the expansion sleeve 17 clamps the workpiece 2, and the pull sleeve 12 is maintained to be coaxial with the fixture body 1, the operator starts the air supply device to inflate the plurality of starting air paths 143, the air flow can flow through the first air path 141, the third air path 161, the receiving air path 142 and the second air path 1221 from the starting air paths 143, and finally blows towards the pull rod 15, the pull rod 15 is blown by the air flow of the plurality of second air paths 1221, the pull rod 15 is in a suspended state in the mounting hole 1222 and is not attached to the inner wall of the mounting hole 1222, and the air pressure value in the starting air path 143 detected by the air pressure detection device is a normal value at this time.
When the position of the pull sleeve 12 deviates, the clamping precision of the workpiece 2 is affected, meanwhile, gaps can occur between some precision spacer sleeves 14 and the bottom wall of the cylindrical sliding chute 11 and between some precision spacer sleeves 16, at this time, air flow blown out by the air supply device can leak before reaching the mounting hole 1222 through the precision spacer sleeves 14, so that the blowing force on each position of the pull rod 15 is unbalanced, the pull rod 15 can be abutted against the inner wall of a certain position of the mounting hole 1222 instead of being suspended, the air pressure change in the initial air passage 143 can be detected by the air pressure detection device, the clamp body 1 is provided with a controller, and when the air pressure detected by the air pressure detection device is out of a normal value range, the controller controls the clamping clamp to stop working automatically. The operator needs to overhaul the gear turning clamp, so that the original clamping precision of the gear turning clamp is restored.
When the position of the workpiece 2 deviates, the side surface of one side of the workpiece 2 is not completely attached to the abutting surface 162, at this time, the airflow may flow out from some third air paths 161, and the airflow blown out by the air supply device is not blown out from the second air path 1221 side, so that the intensity of the airflow blown out by the second air path 1221 is weakened, the blowing force applied to each position of the pull rod 15 is unbalanced, the pull rod 15 is not suspended but abuts against the inner wall of a certain position of the mounting hole 1222, the air pressure detection device may detect the air pressure change in the initial air path 143, and then the controller controls the clamping fixture to stop working automatically.
Referring to fig. 3 and 4, the sound generating device 18 is installed at one end of the third air path 161 away from the first air path 141 and one end of the first air path 141 away from the starting air path 143, the sound generating device 18 on the first air path 141 is located at one side of the third air path 161 away from the starting air path 143, and when the air flow flows through the sound generating device 18, the sound generating device 18 generates a sound.
Referring to fig. 3 and 4, the sound generating device 18 includes an edge block 181 and two blocking blocks 182, the two blocking blocks 182 are fixed on the corresponding third air path 161 or the corresponding first air path 141, a narrow gap 183 is formed between the two blocking blocks 182, when the air supply device inflates air toward the starting air path 143, the air flow can only pass through the narrow gap 183 after flowing to the sound generating device 18, the edge block 181 is fixed on the corresponding third air path 161 or the corresponding first air path 141, and the edge block 181 is located on one side of the corresponding blocking block 182 far away from the starting air path 143 and is just opposite to the narrow gap 183.
When the clamping position of the workpiece 2 deviates, that is, when one side of the workpiece 2 is not completely attached to the abutting surface 162, the air flow flows in the third air path 161, due to the arrangement of the sound generating device 18, the air flow can only pass through the narrow slit 183 and blow to the edge block 181, and the air flow can generate edge sound at the moment, so that the operator is prompted as to where the workpiece 2 is not abutted against the abutting surface 162, and the operator can adjust the workpiece 2 conveniently.
When the verticality of the precision spacer 14 changes, the air flow flows to the sounding device 18 corresponding to the first air path 141, so that an operator can conveniently judge where the verticality of the precision spacer 14 deviates, and the operator can conveniently adjust the workpiece 2.
The implementation principle of a car tooth anchor clamps of this application embodiment does: an operator places the workpiece 2 in the expansion sleeve 17, then drives the pull rod 15 to move so that the expansion sleeve 17 clamps the workpiece 2, when the workpiece 2 is in the process of turning teeth, and the clamping precision of the turning tooth clamp does not meet the requirement, the turning tooth clamp can automatically stop working, meanwhile, air is continuously ventilated into the starting air channel 143, the place with precision deviation in the turning tooth clamp can make a sound, and the operator can conveniently adjust the workpiece 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a car tooth anchor clamps which characterized in that: the clamp comprises a clamp body (1), a cylindrical sliding groove (11) is coaxially arranged on one side surface of the clamp body (1), a pull sleeve (12) is connected to the cylindrical sliding groove (11) in a sliding mode along the axis of the cylindrical sliding groove (11), an expansion sleeve (17) used for clamping a workpiece (2) is detachably connected to the pull sleeve (12), the expansion sleeve (17) has deformability, a first conical surface (172) is arranged on the outer circumferential wall of the expansion sleeve (17), a second conical surface (111) matched with the first conical surface (172) is arranged on the inner circumferential wall of the cylindrical sliding groove (11), one end, close to the bottom wall of the cylindrical sliding groove (11), of the second conical surface (111) is arranged in a flaring mode to the end, away from the bottom wall of the cylindrical sliding groove (11), the first conical surface (172) of the expansion sleeve (17) is always attached to the second conical surface (111) of the cylindrical sliding groove (11) to slide, a mounting hole (1222) with two communicated with each other ends is coaxially arranged on the pull sleeve (12), a pull rod (15) penetrates through the mounting hole (1222), the pull rod (15) is connected to the side of the expansion sleeve (12), one end of the clamp body is detachably connected to one side of the expansion sleeve (1), and the clamp body is driven by the external clamp body to stretch out in a reciprocating direction parallel to the external clamp body (1), when the expansion sleeve (17) clamps the workpiece (2), the circumferential outer wall of the workpiece (2) is tightly attached to the circumferential inner wall of the expansion sleeve (17);
the turning tooth clamp further comprises a butting sleeve (16), the pulling sleeve (12) is sleeved and is connected to the butting sleeve (16) in a sliding mode along the direction parallel to the axis of the clamp body (1), the end face, far away from the pulling sleeve (12), of one end of the butting sleeve (16) is a butting face (162), and when the expansion sleeve (17) clamps the workpiece (2), the end face of one end of the workpiece (2) butts against the butting face (162);
the turning tooth clamp further comprises a detection device and a plurality of precision spacer bushes (14), the precision spacer bushes (14) are uniformly distributed on the cylindrical sliding groove (11) along the circumferential direction of the cylindrical sliding groove (11), and the precision spacer bushes (14) are arranged in a penetrating manner and are connected to the pull bush (12) in a sliding manner;
the detection device comprises a gas supply device and a gas pressure detection device, a first gas circuit (141) with two communicated ends is arranged on the precision spacer sleeve (14), a plurality of starting gas circuits (143) are arranged on the clamp body (1), the plurality of starting gas circuits (143) correspond to the plurality of first gas circuits (141) respectively, two ends of each starting gas circuit (143) are communicated with the gas supply device and the corresponding first gas circuit (141) respectively, the gas supply device is used for stably charging the plurality of starting gas circuits (143), a plurality of second gas circuits (1221) are arranged on the pull sleeve (12), and the plurality of second gas circuits (1221) correspond to the plurality of first gas circuits (141) respectively; the air pressure detection device is used for detecting air pressure change in the starting air path (143);
the butt joint sleeve (16) is provided with a plurality of third air paths (161), the third air paths (161) correspond to the first air paths (141) respectively, one end of each third air path (161) extends to the butt joint surface (162) and is communicated with the outside, and the other end of each third air path (161) is arranged close to the corresponding first air path (141); when the end surfaces of two ends of the precision spacer bush (14) are respectively abutted against the bottom wall of the cylindrical sliding groove (11) and the abutting sleeve (16), the other end of the third air passage (161) is communicated with the first air passage (141), and when the expansion sleeve (17) clamps the workpiece (2), the workpiece (2) abuts against the abutting surface (162) and blocks the communication part of the third air passage (161) and the outside;
and a sounding device (18) is arranged at one end of the third air path (161) far away from the first air path (141) and one end of the first air path (141) far away from the starting air path (143).
2. The tooth clamp according to claim 1, wherein: still include a plurality of transition spacer bushes (13), a plurality of transition spacer bushes (13) are along the circumference direction evenly distributed of cylindricality spout (11) on cylindricality spout (11), the both ends of transition spacer bush (13) are fixed respectively on cylindricality spout (11) diapire and on butt sleeve (16) towards one side of cylindricality spout (11) diapire, the length direction of transition spacer bush (13) is on a parallel with the axis direction of anchor clamps main part (1), and many transition spacer bushes (13) are all worn to establish and are drawn cover (12) to set up.
3. The tooth clamp of claim 2, wherein: when the length direction of the precision spacer bush (14) is perpendicular to the bottom wall of the cylindrical sliding groove (11) and the abutting sleeve (16) faces one side face of the bottom wall of the cylindrical sliding groove (11), the end faces of two ends of the precision spacer bush (14) abut against the bottom wall of the cylindrical sliding groove (11) respectively and the abutting sleeve (16) faces one side face of the bottom wall of the cylindrical sliding groove (11), and the detection device is used for detecting whether gaps occur between the two ends of the precision spacer bush (14) and the abutting sleeve (16) as well as between the two ends of the precision spacer bush (14) and the bottom wall of the cylindrical sliding groove (11).
4. The tooth clamp according to claim 3, wherein: the multiple precision spacer bushes (14) and the multiple transition spacer bushes (13) are arranged at intervals, and the spacing distance between every two adjacent precision spacer bushes (14) and the transition spacer bushes (13) is equal.
5. The tooth clamp of claim 1, wherein: the sounding device (18) located on the first air path (141) is located on one side, away from the starting air path (143), of the second air path (1221), and when the air flow flows through the sounding device (18), the sounding device (18) makes a sound.
6. The tooth clamp according to claim 5, wherein: sound generating mechanism (18) are including limit arris piece (181) and two dog (182) of hiding, dog (182) are fixed on third gas circuit (161) or on first gas circuit (141), leave slot (183) air feed stream between two dog (182) and pass through, limit arris piece (181) are fixed on third gas circuit (161) or on first gas circuit (141), limit arris piece (181) are located to correspond one side that dog (182) kept away from initial gas circuit (143) and just set up slot (183).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111630549.5A CN114406365B (en) | 2021-12-28 | 2021-12-28 | Gear turning clamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111630549.5A CN114406365B (en) | 2021-12-28 | 2021-12-28 | Gear turning clamp |
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| CN114406365A CN114406365A (en) | 2022-04-29 |
| CN114406365B true CN114406365B (en) | 2023-03-31 |
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| CN202111630549.5A Active CN114406365B (en) | 2021-12-28 | 2021-12-28 | Gear turning clamp |
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| CN201693200U (en) * | 2010-06-24 | 2011-01-05 | 杭州安德鲁设备制造有限公司 | Air pressure detection device for clamps |
| CN203109717U (en) * | 2013-03-19 | 2013-08-07 | 天津精诚机床股份有限公司 | Air impermeability detecting mechanism |
| CN203471440U (en) * | 2013-08-09 | 2014-03-12 | 内江神舟机电设备有限公司 | External centering clamp |
| CN103611955A (en) * | 2013-11-15 | 2014-03-05 | 重庆第二机床厂有限责任公司 | Lathe air tightness detection device |
| DE102014218039B3 (en) * | 2014-09-09 | 2016-02-11 | Hainbuch Gmbh Spannende Technik | jig |
| CN105904240A (en) * | 2016-06-30 | 2016-08-31 | 宝鸡法士特齿轮有限责任公司 | Finish turning clamp with detecting function |
| CN206869479U (en) * | 2017-06-12 | 2018-01-12 | 浙江耐士伦机械有限公司 | A kind of outer clip grip device of diskware |
| CN207534096U (en) * | 2017-12-01 | 2018-06-26 | 四川神鸼精工科技有限公司 | A kind of gear shaping spring chuck |
| CN208496443U (en) * | 2018-06-29 | 2019-02-15 | 安徽星瑞齿轮传动有限公司 | One kind being applied to bore turning pitch circle fixture |
| CN109551279B (en) * | 2018-12-07 | 2021-08-20 | 广州市昊志机电股份有限公司 | High-precision automatic lathe mandrel fixture |
| CN109454253A (en) * | 2018-12-20 | 2019-03-12 | 天津天海同步科技有限公司 | Gear ring cylindrical turning fixture |
| CN209465998U (en) * | 2018-12-28 | 2019-10-08 | 青岛涵锐精密机械有限公司 | A kind of wild card vehicle clamper |
| CN209664483U (en) * | 2019-02-01 | 2019-11-22 | 青岛涵锐精密机械有限公司 | A kind of gear-shaping clamp |
| CN212704437U (en) * | 2020-06-29 | 2021-03-16 | 广东技术师范大学 | Expansion sleeve clamp |
| CN213559946U (en) * | 2020-10-20 | 2021-06-29 | 上海楚峰机电有限公司 | Expansion sleeve mechanism for fixing thin-wall workpiece |
| CN112276257A (en) * | 2020-10-29 | 2021-01-29 | 温岭市明华齿轮有限公司 | A anchor clamps frock for gear machining |
| CN214292240U (en) * | 2020-12-26 | 2021-09-28 | 安徽祥利机械有限公司 | Gas detection clamp with workpiece balance detection function |
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2021
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