CN215788598U

CN215788598U - Auxiliary tool for detecting annular groove of inner hole of split mode locking piston nut

Info

Publication number: CN215788598U
Application number: CN202120965430.2U
Authority: CN
Inventors: 潘晓敏; 阮凯; 应家益; 俞爱平; 顾学军; 干维雷; 吴青杰; 俞健勇
Original assignee: Haitian Plastics Machinery Group
Current assignee: Haitian Plastics Machinery Group
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-02-11
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a splitting type mode locking piston nut inner hole annular groove detection auxiliary tool which comprises a positioning backer and a universal pushing mechanism, wherein the positioning backer is fixed, one axial end surface of the splitting type mode locking piston nut is over against the positioning backer and is close to the positioning backer, an opening of the splitting type mode locking piston nut faces upwards and is suspended, and the universal pushing mechanism pushes the other axial end surface of the splitting type mode locking piston nut to enable one axial end surface of the splitting type mode locking piston nut to be tightly attached to the positioning backer; the advantage is that it can effectively improve detection efficiency and detection precision, reduces and detects the cost.

Description

Auxiliary tool for detecting annular groove of inner hole of split mode locking piston nut

Technical Field

The utility model relates to a nut detection technology, in particular to an auxiliary tool for detecting an annular groove of an inner hole of a split mode locking piston nut.

Background

The mode locking piston nut is widely applied, and the mode locking piston nut needs to be ensured that the distance between the annular grooves in the inner hole of the mode locking piston nut meets the requirement, so that the distance between the annular grooves in the inner hole of the split mode locking piston nut needs to be detected. If a three-coordinate detection mode is adopted for detection, the detection cost is very high; if the outgoing is detected by a professional detection department, the production beat, the transportation connection and the detection cost all become obstacles for detection. Therefore, at present, a handheld articulated arm is basically adopted for detection, but the detection efficiency of the detection mode is low, the detection precision is low, and the detection precision cannot reach the level of mum, so that the distance between the annular grooves in the inner holes of many mode-locked piston nuts which are detected is not qualified actually.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an auxiliary tool for detecting an inner hole annular groove of a split type mode-locking piston nut, which can effectively improve the detection efficiency and the detection precision and reduce the detection cost.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a cut open formula mode locking piston nut hole ring channel and detect auxiliary fixtures which characterized in that: including location backer and universal pushing mechanism, the location backer fix, cut open formula mode locking piston nut's an axial end face just right the location backer and be close to the location backer, and cut open formula mode locking piston nut's opening up and the suspension, universal pushing mechanism promote to cut open another axial end face of formula mode locking piston nut and make a axial end face of cutting open formula mode locking piston nut with the location backer hug closely.

The detection auxiliary tool also comprises a base, four equal-height blocks and two section transition blocks, wherein the base is horizontally fixed on a machine tool workbench, the positioning backer is fixed on one end of the top end surface of the base, the four equal-height blocks are placed on the top end surface of the base in a rectangular four-corner-point distribution mode, the two section transition blocks are fixed on two sections of the split mode locking piston nut in an axisymmetric mode, two ends of each section transition block are respectively exposed out of corresponding axial end surfaces of the split mode locking piston nut, two ends of one section transition block are correspondingly placed on the top end surfaces of the two equal-height blocks on the same side, two ends of the other section transition block are correspondingly placed on the top end surfaces of the two equal-height blocks on the other side, so that one axial end surface of the split mode locking piston nut is opposite to the positioning backer and close to the positioning backer, and the split mode locking piston nut is provided with an upward opening and is suspended above the top end surface of the base, and the universal pushing mechanism is arranged on the top end surface of the base.

The universal pushing mechanism consists of an air cylinder, a push plate and a universal mechanism arranged between the air cylinder and the push plate, the air cylinder is horizontally arranged on the top end surface of the base, a piston rod of the air cylinder faces to the other axial end surface of the split mode locking piston nut, the front end surface of the push plate is opposite to the other axial end surface of the split mode locking piston nut, the piston rod of the air cylinder is connected with the rear end of the push plate through the universal mechanism, and the piston rod of the air cylinder extends out to enable the front end surface of the push plate to be tightly attached to the other axial end surface of the split mode locking piston nut and push the split mode locking piston nut to enable one axial end surface of the split mode locking piston nut to be tightly attached to the positioning backer. And pushing the split type mode locking piston nut by using the air cylinder, the push plate and the universal mechanism to enable one axial end surface of the split type mode locking piston nut to be tightly attached to the positioning backer.

The universal mechanism comprises a pin shaft vertically arranged at the rear end of the push plate and a connecting joint used for being connected with the tail end of the piston rod of the air cylinder, the pin shaft penetrates into the bottom of the push plate from the top of the push plate and penetrates out of the bottom of the push plate, a bottom end cover is fixed at the bottom end of the pin shaft, the middle of the pin shaft is connected with one end of the connecting joint, the other end of the connecting joint is connected with the tail end of the piston rod of the air cylinder, and the push plate can rotate relative to the pin shaft. Because the pin shaft is fixed and the push plate can rotate relative to the pin shaft, when the front end surface of the push plate is contacted with the other shaft end surface of the split mode locking piston nut, the push plate can be automatically adjusted to ensure that the front end surface of the push plate is tightly attached to the other shaft end surface of the split mode locking piston nut; the bottom end cover can prevent that round pin axle and push pedal from breaking away, can bed hedgehopping push pedal moreover, makes to have the clearance between push pedal and the base, if push pedal and base contact, then long-term work push pedal back and forth movement friction can make the push pedal produce little deformation to will can't ensure that a shaft end face of cut open mode locking piston nut is hugged closely with the location backer.

The positioning device comprises a base, a split type mode locking piston nut, a positioning backer and a positioning key, wherein the top end face of the base is symmetrically provided with two lower key grooves, the central connecting line of the two lower key grooves is perpendicular to the axis of the split type mode locking piston nut in space, the bottom end face of the positioning backer is symmetrically provided with two upper key grooves, the upper key grooves are accurately aligned with the corresponding lower key grooves, the upper key grooves are internally fixed with the positioning key, and the positioning key is embedded into the corresponding lower key grooves to realize the positioning of the positioning backer.

The positioning backer is provided with a vertical through hole, the base is provided with a fixing hole corresponding to the vertical through hole, and the positioning backer is fixedly connected with the base by utilizing a fastener to penetrate through the vertical through hole to be connected with the fixing hole. The positioning backer is used as a reference for axial positioning of the split mode locking piston nut, so that the positioning backer needs to be ensured to be stable and immovable.

The section transition block is provided with a strip-shaped adjusting hole, and the locking piece is fixed with the split type mold locking piston nut through the strip-shaped adjusting hole. The locking piece is matched with the long strip-shaped adjusting hole to adjust the relative position between the section transition block and the split type mold locking piston nut.

The section transition block is provided with a lifting ring, and the split type mode locking piston nut can be lifted by utilizing the lifting ring.

The end head of one end of the base is provided with a baffle corresponding to the equal-height block. Because two equal-height blocks are close to one end of the base, the baffle is arranged on the end head of one end of the base, so that the two equal-height blocks can be prevented from falling off the base accidentally.

The base bottom face on be provided with a plurality of regulating blocks, the regulating block on be provided with adjusting screw, the top of lathe workstation be located the regulating block enclose the space in, the terminal surface of lathe workstation by adjusting screw withstand. The position of the detection auxiliary tool on the machine tool workbench can be positioned through the plurality of adjusting blocks, and the detection auxiliary tool is fixed by utilizing the adjusting screws to prop against the end face of the machine tool workbench.

Compared with the prior art, the utility model has the advantages that:

1) the detection auxiliary tool utilizes the section transition block to enable the Z-axis direction of the split mode locking piston nut to be coincident with the Z-axis direction of a machine tool workbench; in the X-axis direction, a positioning backer is used, a universal pushing mechanism is used for eliminating a gap between the split type mode locking piston nut and the positioning backer, so that the X-axis direction of the split type mode locking piston nut is coincided with the X-axis direction coordinate of the machine tool workbench, the X-axis and the Z-axis are ensured, and the final Y-axis direction can be marked by visual inspection of the position. Through process tests and final scheme, the vertical type mold-locking piston nut can be reliably and fully verified by three coordinates after falling to the ground and being on line, namely, the vertical type machining center can be matched with the probe to replace a three-coordinate detection mode to effectively detect the distance between the annular grooves in the inner hole of the split type mold-locking piston nut.

2) By using the detection auxiliary tool, the vertical machining center can detect the distance between the annular grooves in the inner hole of the split mode locking piston nut by matching with the probe, the detection cost is low, and the vertical machining center can automatically detect by matching with the probe, so that the detection efficiency and the detection precision are high.

Drawings

FIG. 1 is a schematic diagram I of the overall structure of a cut-open type mode-locking piston nut inner hole annular groove detection auxiliary tool;

FIG. 2 is a schematic diagram of the overall structure of a second split mode locking piston nut inner hole annular groove detection auxiliary tool of the utility model;

FIG. 3 is a schematic view of an exploded structure of the auxiliary tool for detecting the annular groove of the inner hole of the split mode locking piston nut of the utility model;

FIG. 4 is a schematic structural view of a positioning backer in the split mode-locking piston nut inner hole annular groove detection auxiliary tool;

fig. 5 is a structural schematic diagram of a split mode locking piston nut.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

The utility model provides an auxiliary tool for detecting an inner hole annular groove of a split mode locking piston nut, which comprises a base 1, a positioning backer 2, four equal-height blocks 3, two section transition blocks 4 and a universal pushing mechanism 5, wherein the base 1 is horizontally fixed on a machine tool worktable 8, the positioning backer 2 is fixed on one end of the top end surface of the base 1, the four equal-height blocks 3 are placed on the top end surface of the base 1 in a rectangular four-corner distribution mode, the two section transition blocks 4 are fixed on two sections 91 of the split mode locking piston nut 9 in an axisymmetric mode, two ends of each section transition block 4 are respectively exposed out of corresponding shaft end surfaces of the split mode locking piston nut 9, two ends of one section transition block 4 are correspondingly placed on the top end surfaces of the two equal-height blocks 3 (the two equal-height blocks 3 on the same side in the X-axis direction), two ends of the other section transition block 4 are correspondingly placed on the top end surfaces of the two equal-height blocks 3 on the other side, one shaft end face of the split mode locking piston nut 9 is enabled to face the positioning backer 2 and approach the positioning backer 2, an opening of the split mode locking piston nut 9 faces upwards and is suspended above the top end face of the base 1, the universal pushing mechanism 5 is installed on the top end face of the base 1, and the universal pushing mechanism 5 pushes the other shaft end face of the split mode locking piston nut 9 to enable one shaft end face of the split mode locking piston nut 9 to be attached to the positioning backer 2.

In this embodiment, the universal pushing mechanism 5 is composed of a cylinder 51, a push plate 52 and a universal mechanism arranged between the cylinder 51 and the push plate 52, the cylinder 51 is horizontally installed on the top end surface of the base 1, a piston rod 53 of the cylinder 51 faces to the other axial end surface of the split mode locking piston nut 9, the front end surface of the push plate 52 faces to the other axial end surface of the split mode locking piston nut 9, the piston rod 53 of the cylinder 51 is connected with the rear end of the push plate 52 through the universal mechanism, the piston rod 53 of the cylinder 51 extends out to enable the front end surface of the push plate 52 to be tightly attached to the other axial end surface of the split mode locking piston nut 9 and push the split mode locking piston nut 9 to enable one axial end surface of the split mode locking piston nut 9 to be tightly attached to the positioning backer 2. The cylinder 51, the push plate 52 and the universal mechanism are used for pushing the split type mode locking piston nut 9 to enable one axial end face of the split type mode locking piston nut 9 to be tightly attached to the positioning backer 2.

In this embodiment, the universal mechanism includes a pin 54 vertically disposed on the rear end of the push plate 52 and a connection joint 55 for connecting with the end of the piston rod 53 of the air cylinder 51, the pin 54 penetrates from the top of the push plate 52 to the bottom of the push plate 52, a bottom end cover 56 is fixed to the bottom end of the pin 54, the middle of the pin 54 is connected with one end of the connection joint 55, the other end of the connection joint 55 is connected with the end of the piston rod 53 of the air cylinder 51, and the push plate 52 is rotatable relative to the pin 54. Because the pin shaft 54 is fixed, the push plate 52 can rotate relative to the pin shaft 54, when the front end surface of the push plate 52 contacts with the other shaft end surface of the split mode locking piston nut 9, the push plate 52 can be automatically adjusted to ensure that the front end surface of the push plate 52 is tightly attached to the other shaft end surface of the split mode locking piston nut 9; the bottom end cover 56 can prevent the pin shaft 54 from disengaging from the push plate 52, and can cushion the push plate 52 to make a gap exist between the push plate 52 and the base 1, if the push plate 52 is contacted with the base 1, the push plate 52 may be slightly deformed due to the friction of the back and forth movement of the push plate 52 after long-term working, so that one axial end surface of the split mode-locking piston nut 9 cannot be ensured to be tightly attached to the positioning backer 2.

In this embodiment, two lower key grooves 11 are symmetrically formed in the top end surface of the base 1 in the Y-axis direction, a center line of the two lower key grooves 11 is spatially perpendicular to an axis of the split mode locking piston nut 9, two upper key grooves 21 are symmetrically formed in the Y-axis direction in the bottom end surface of the positioning backer 2, the upper key grooves 21 are precisely aligned with the corresponding lower key grooves 11, positioning keys (not shown in the figure) are fixed in the upper key grooves 21, and the positioning keys are embedded in the corresponding lower key grooves 11 to position the positioning backer 2.

In this embodiment, vertical through holes 22 have been seted up along the Z axis direction on the location backer 2, seted up the fixed orifices 12 that correspond with vertical through holes 22 on the base 1, pass vertical through holes 22 with the fixed orifices 12 with the fastener and be connected the fixed connection that realizes location backer 2 and base 1. The positioning backer 2 is used as a reference for positioning the split mold-locked piston nut 9 in the axial direction (X-axis direction), and therefore the positioning backer 2 needs to be secured stably.

In this embodiment, the section transition block 4 is provided with an elongated adjustment hole 41, and the locking member 42 is fixed to the split mold locking piston nut 9 through the elongated adjustment hole 41. The locking piece 42 is matched with the long strip-shaped adjusting hole 41 to adjust the relative position between the section transition block 4 and the split type mould locking piston nut 9.

In this embodiment, the section transition block 4 is provided with a hanging ring 43, and the split type mold locking piston nut 9 can be hoisted by using the hanging ring 43.

In this embodiment, a baffle 13 corresponding to the position of the equal-height block 3 is provided at the end of one end of the base 1. Because two equal-height blocks 3 are close to one end of the base 1, the baffle 13 arranged at the end head of one end of the base 1 can prevent the two equal-height blocks 3 from falling off the base 1 accidentally.

In this embodiment, a plurality of adjusting blocks 14 corresponding to two end surfaces of the machine tool table 8 in the X-axis direction are provided on the bottom end surface of the base 1, adjusting screws (not shown) are provided on the adjusting blocks 14, the top end of the machine tool table 8 is located in a space surrounded by the adjusting blocks 14, and the end surface of the machine tool table 8 in the X-axis direction is abutted by the adjusting screws. The position of the detection auxiliary tool on the machine tool workbench 8 can be positioned by the plurality of adjusting blocks 14, and the detection auxiliary tool is fixed by abutting against the end surface of the machine tool workbench 8 by adjusting screws.

Because the coordinate system of the machine tool is absolutely fixed, and the processing of the section 91 of the split mode locking piston nut 9 is correlated with the shape and position of the annular groove 92 in the inner hole, the logic can be established as long as the section 91 of the split mode locking piston nut 9 and the shaft end surface are simultaneously used as the detection reference, and the actual effective correlation is formed between the section 91 of the split mode locking piston nut 9 and the machine tool workbench 8, therefore, the detection auxiliary tool utilizes the section transition block 4 to ensure that the relative Z-axis direction of the split mode locking piston nut 9 is coincident with the Z-axis direction of the machine tool workbench 8; in the X-axis direction, a gap between the split mode locking piston nut 9 and the positioning backer 2 is eliminated by the positioning backer 2 and the universal pushing mechanism 5, so that the X-axis direction of the split mode locking piston nut 9 is coincided with the X-axis direction coordinate of the machine tool workbench 8, the X-axis and the Z-axis are ensured, and the final Y-axis direction is marked by visual inspection. Through process tests and final scheme, the vertical mode-locking piston nut 9 can be reliably and fully verified by three coordinates after falling to the ground and being on line, namely, the vertical machining center can be matched with a probe to replace a three-coordinate detection mode to effectively detect the distance between the annular grooves 92 in the inner hole of the split mode-locking piston nut 9. If the detection auxiliary tool is not used, the vertical machining center is directly matched with the probe for detection, the actual situation that the detection reference of the mold locking piston nut is inconsistent with that of a machine tool exists, so that finally detected data is not real and objective, and wrong results violate the basic principle of detection.

Claims

1. The utility model provides a cut open formula mode locking piston nut hole ring channel and detect auxiliary fixtures which characterized in that: including location backer and universal pushing mechanism, the location backer fix, cut open formula mode locking piston nut's an axial end face just right the location backer and be close to the location backer, and cut open formula mode locking piston nut's opening up and the suspension, universal pushing mechanism promote to cut open another axial end face of formula mode locking piston nut and make a axial end face of cutting open formula mode locking piston nut with the location backer hug closely.

2. The cut open type die-locking piston nut inner hole annular groove detection auxiliary tool according to claim 1, characterized in that: the detection auxiliary tool also comprises a base, four equal-height blocks and two section transition blocks, wherein the base is horizontally fixed on a machine tool workbench, the positioning backer is fixed on one end of the top end surface of the base, the four equal-height blocks are placed on the top end surface of the base in a rectangular four-corner-point distribution mode, the two section transition blocks are fixed on two sections of the split mode locking piston nut in an axisymmetric mode, two ends of each section transition block are respectively exposed out of corresponding axial end surfaces of the split mode locking piston nut, two ends of one section transition block are correspondingly placed on the top end surfaces of the two equal-height blocks on the same side, two ends of the other section transition block are correspondingly placed on the top end surfaces of the two equal-height blocks on the other side, so that one axial end surface of the split mode locking piston nut is opposite to the positioning backer and close to the positioning backer, and the split mode locking piston nut is provided with an upward opening and is suspended above the top end surface of the base, and the universal pushing mechanism is arranged on the top end surface of the base.

3. The cut open type die-locking piston nut inner hole annular groove detection auxiliary tool according to claim 2, characterized in that: the universal pushing mechanism consists of an air cylinder, a push plate and a universal mechanism arranged between the air cylinder and the push plate, the air cylinder is horizontally arranged on the top end surface of the base, a piston rod of the air cylinder faces to the other axial end surface of the split mode locking piston nut, the front end surface of the push plate is opposite to the other axial end surface of the split mode locking piston nut, the piston rod of the air cylinder is connected with the rear end of the push plate through the universal mechanism, and the piston rod of the air cylinder extends out to enable the front end surface of the push plate to be tightly attached to the other axial end surface of the split mode locking piston nut and push the split mode locking piston nut to enable one axial end surface of the split mode locking piston nut to be tightly attached to the positioning backer.

4. The cut open type die-locking piston nut inner hole annular groove detection auxiliary tool according to claim 3, characterized in that: the universal mechanism comprises a pin shaft vertically arranged at the rear end of the push plate and a connecting joint used for being connected with the tail end of the piston rod of the air cylinder, the pin shaft penetrates into the bottom of the push plate from the top of the push plate and penetrates out of the bottom of the push plate, a bottom end cover is fixed at the bottom end of the pin shaft, the middle of the pin shaft is connected with one end of the connecting joint, the other end of the connecting joint is connected with the tail end of the piston rod of the air cylinder, and the push plate can rotate relative to the pin shaft.

5. The auxiliary tool for detecting the annular groove of the inner hole of the split mode locking piston nut as claimed in any one of claims 2 to 4, is characterized in that: the positioning device comprises a base, a split type mode locking piston nut, a positioning backer and a positioning key, wherein the top end face of the base is symmetrically provided with two lower key grooves, the central connecting line of the two lower key grooves is perpendicular to the axis of the split type mode locking piston nut in space, the bottom end face of the positioning backer is symmetrically provided with two upper key grooves, the upper key grooves are accurately aligned with the corresponding lower key grooves, the upper key grooves are internally fixed with the positioning key, and the positioning key is embedded into the corresponding lower key grooves to realize the positioning of the positioning backer.

6. The cut open type die-locking piston nut inner hole annular groove detection auxiliary tool according to claim 5, characterized in that: the positioning backer is provided with a vertical through hole, the base is provided with a fixing hole corresponding to the vertical through hole, and the positioning backer is fixedly connected with the base by utilizing a fastener to penetrate through the vertical through hole to be connected with the fixing hole.

7. The cut open type die-locking piston nut inner hole annular groove detection auxiliary tool according to claim 6, characterized in that: the section transition block is provided with a strip-shaped adjusting hole, and the locking piece is fixed with the split type mold locking piston nut through the strip-shaped adjusting hole.

8. The cut open type die-locking piston nut inner hole annular groove detection auxiliary tool according to claim 7, characterized in that: the section transition block is provided with a hanging ring.

9. The cut open type die-locking piston nut inner hole annular groove detection auxiliary tool according to claim 2, characterized in that: the end head of one end of the base is provided with a baffle corresponding to the equal-height block.

10. The cut open mode locking piston nut inner hole annular groove detection auxiliary tool according to claim 2 or 9, characterized in that: the base bottom face on be provided with a plurality of regulating blocks, the regulating block on be provided with adjusting screw, the top of lathe workstation be located the regulating block enclose the space in, the terminal surface of lathe workstation by adjusting screw withstand.