CN218511617U - Thread workpiece jumping measuring device - Google Patents
Thread workpiece jumping measuring device Download PDFInfo
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- CN218511617U CN218511617U CN202222734289.2U CN202222734289U CN218511617U CN 218511617 U CN218511617 U CN 218511617U CN 202222734289 U CN202222734289 U CN 202222734289U CN 218511617 U CN218511617 U CN 218511617U
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Abstract
The utility model discloses a measuring device for jumping of a threaded workpiece, which belongs to the technical field of detection and comprises a frame, a turntable, a sliding table, an elastic element and a first dial indicator; the rotary table is rotatably connected to the rack, and a containing seat for installing a threaded workpiece is fixed on the rotary table; the sliding table is connected to the rack in a sliding mode along the axial direction of the rotary table, a measuring head rod extending towards one side of the threaded workpiece is fixedly installed on the sliding table, and a measuring head is installed on the measuring head rod; the elastic element is connected between the sliding table and the rack and used for providing elastic force for enabling the measuring head to be close to the threaded workpiece; first kilo-dial gauge fixed mounting contacts with the slip table at the measuring end of first kilo-dial gauge in the frame. The utility model has the advantages of simple structure and reasonable design for the first kilo minute table can conveniently and accurately obtain the face run-out condition of the profile that awaits measuring in the screw thread work piece.
Description
Technical Field
The utility model relates to a detect technical field, in particular to screw thread work piece measuring device that beats.
Background
The bolt is a cylindrical threaded fastener with a nut, which consists of a head and a screw (a cylinder with an external thread) and is used for fastening and connecting two parts with holes.
In many important application occasions, such as fastening bolts of engine connecting rods, connecting bolts of split piston tops and piston heads, bolts of cylinder covers and the like, the bolts often bear huge alternating loads and alternating expansion and contraction environments, so that the reliable fastening of the bolts is an extremely important link for the reliable work of the engine.
In modern industry, in order to ensure the reliable operation of the bolt, besides materials and reasonable fastening torque, the processing quality of the bolt is very important, taking end face run-out as an example, the perpendicularity (often characterized by end face full run-out) of the pressure-bearing end face of the bolt and the thread central line is a very important parameter, and the good end face perpendicularity can ensure that the pressure-bearing face of the bolt is in full contact with a mounted part, so that the fastening effect of the bolt fastening torque is exerted to the maximum extent; on the contrary, if the perpendicularity of the end face is not good, the bearing face of the bolt only partially contacts with the mounting plane, and under the action of vibration and alternating load, the contact face of the bolt and the mounting plane is damaged, so that the bolt quickly loses the fastening effect, and finally serious faults and accidents are caused.
Therefore, the pressure bearing surface of the important bolt is particularly important for detecting the thread center line. In modern manufacturing industry, many bolt manufacturers have recognized the importance of detecting the end face verticality of important bolts, but suffer from the fact that no corresponding equipment on the market can accurately measure the end face run-out condition of the bolts.
SUMMERY OF THE UTILITY MODEL
The problem that the measuring data of beating of the screw thread work piece that has the external screw thread that exists is not accurate enough to prior art, the utility model aims to provide a screw thread work piece measuring device that beats.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a device for measuring run-out of a threaded workpiece, the threaded workpiece including at least external threads, the device comprising:
a frame;
the rotary table is rotatably connected to the rack, a containing seat is fixed on the rotary table, a threaded hole for screwing in the external thread on the threaded workpiece is formed in the containing seat, the threaded hole is coaxial with the rotary table, and the threaded hole has a certain taper;
the sliding table is connected to the rack in a sliding mode, a measuring head rod extending towards one side of the threaded workpiece is fixedly installed on the sliding table, and a measuring head opposite to the to-be-measured molded surface of the threaded workpiece is installed on the measuring head rod;
the elastic element is connected between the sliding table and the rack and used for providing elastic force for enabling the measuring head to be close to the threaded workpiece;
and the first dial indicator is fixedly installed on the rack, and the measuring end of the first dial indicator is connected with the sliding table.
Preferably, the threaded workpiece is a bolt, the molded surface to be measured of the threaded workpiece faces the pressure-bearing end face of the containing seat in the bolt, and the sliding table is connected to the rack in a sliding mode along the axial direction of the rotary table.
Preferably, the sliding table and the first dial indicator are sequentially arranged along a direction away from the threaded workpiece, and the elastic element provides elastic force for enabling the sliding table to be away from the accommodating seat.
Preferably, the elastic element is a tension spring.
Preferably, first kilo minute table can dismantle fixed connection through the gauge stand in the frame, the gauge stand includes first seat and second seat, second seat with the frame first seat with second seat is all through the screw connection, first seat with second seat relative side be provided with the compressed tightly recess of the dead lever looks adaptation of first kilo minute table.
Furthermore, the operating handle is further included, one end of the operating handle is pivotally connected to the rack, and the operating handle is further connected with the sliding table through a connecting rod.
Preferably, a guide rod and a transfer block are further connected between the connecting rod and the sliding table, the transfer block is fixedly connected with the sliding table, one end of the guide rod is fixedly connected with the transfer block, the other end of the guide rod is connected with the connecting rod, and the guide rod is parallel to the moving direction of the sliding table; wherein, install on the frame with the uide bushing of guide bar looks adaptation.
Preferably, the rack comprises a bottom plate arranged horizontally and a vertical plate arranged vertically and fixed on one side of the top surface of the bottom plate, and the turntable is connected to the vertical plate horizontally; the sliding table is characterized in that a plurality of ground feet are installed on one side of the bottom surface of the bottom plate, a sliding table seat is installed on one side of the top surface of the bottom plate, and the sliding table, the first dial indicator and the operating handle are connected to the sliding table seat.
Further, a second dial indicator for measuring the circular runout of the circumferential outer wall of the threaded workpiece is fixedly mounted on the machine frame.
Furthermore, the threaded workpiece further comprises an inner hole, and a third dial indicator for measuring the circular runout of the inner hole of the threaded workpiece is fixedly mounted on the rack.
Adopt above-mentioned technical scheme, the beneficial effects of the utility model reside in that: due to the arrangement of the tapered threaded hole in the containing seat, the threaded central line of the threaded workpiece to be measured can be accurately coincided with the rotating center of the turntable, so that the threaded workpiece cannot shake or deflect in the measuring process, and the accuracy of end face run-out measuring data is ensured. Due to the arrangement of the rotary table, the containing seat, the sliding table, the measuring head rod, the measuring head, the elastic element and the first dial indicator, under the condition that the measuring head is in contact with the profile to be measured of the threaded workpiece, along with the rotation of the rotary table, under the action of the elastic force of the elastic element, the jumping condition of the profile to be measured of the threaded workpiece is transmitted to the measuring end of the first dial indicator through the measuring head, the measuring head rod and the sliding table, and therefore the jumping measurement of the threaded workpiece is achieved; the utility model provides a through the nimble arrangement of first amesdial, make it through indirect measurement's mode, the condition of beating of the pressure-bearing terminal surface of accurate acquisition screw thread work piece.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is an isometric view of the present invention;
fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.
In the drawing, 1-a rack, 2-a turntable, 3-a sliding table, 4-an elastic element, 5-a first dial indicator, 51-a gauge stand, 6-a threaded workpiece, 7-a containing seat, 8-a measuring head, 9-a measuring head rod, 10-an operating handle, 11-a bottom plate, 12-a vertical plate, 13-a ground foot, 14-a sliding table stand, 15-a connecting rod, 16-a guide rod, 17-a transfer block, 18-a guide sleeve, 19-a fixing plate and 20-a bearing.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example one
A runout measuring device, as shown in fig. 1-4, comprises a frame 1, a turntable 2, a sliding table 3, an elastic element 4 and a first dial indicator 5.
Wherein, carousel 2 rotatable coupling is fixed with the storage seat 7 that is used for installing screw thread work piece 6 on the carousel 2 on frame 1. The sliding table 3 is connected to the frame 1 in a sliding manner along the axial direction of the turntable 2, and meanwhile, a measuring head 8 is fixedly mounted on the sliding table 3. An elastic element 4 is connected between the slide table 3 and the frame 1, and the elastic element 4 is used for providing elastic force for enabling the measuring head 8 to be close to the threaded workpiece 6. The first dial indicator 5 is fixedly arranged on the frame 1, and the measuring end of the first dial indicator 5 is connected with the sliding table 3.
In this embodiment, the specific configuration rack 1 includes a bottom plate 11 and a vertical plate 12, the bottom plate 11 is arranged horizontally, four corners of the bottom surface of the bottom plate 11 are respectively provided with feet 13, the vertical plate 12 is arranged vertically and fixed on the right side of the top surface of the bottom plate 11, meanwhile, the left side of the top surface of the bottom plate 11 is also fixedly provided with a slide pedestal 14, and the slide pedestal 3 and the first fraction meter 5 are both connected to the slide pedestal 14. In this embodiment, a bearing hole having a horizontal axis is formed in the vertical plate 12, a bearing 20 is installed in the bearing hole, the receiving seat 7 is cylindrical and is fixedly installed in an inner ring of the bearing 20, a flange is formed on a circumferential side wall of the receiving seat 7, a plurality of screw holes are formed in the flange, a groove adapted to the flange is correspondingly formed in a right end face of the turntable 2, and the same number of screw holes are also formed in the groove, so that the flange of the receiving seat 7 is installed in the groove in the turntable 2, and then the receiving seat 7 and the turntable 2 are fixed by screws. For convenience of disassembly, the storage seat 7 is configured to be connected with the inner ring of the bearing 20 through a screw, and the screw is used for connecting the storage seat 7 with the turntable 2 at the same time, so that the turntable 2, the storage seat 7 and the bearing 20 can be fixedly connected through a group of screws, and disassembly is convenient.
In this embodiment, the threaded workpiece 6 is configured as a bolt, the molded surface to be measured of the threaded workpiece 6 is configured to face the pressure-bearing end surface of the receiving seat 7, a threaded hole is correspondingly formed in the receiving seat 7, and the threaded hole and the turntable 2 are coaxially arranged, and in order to enable the threaded workpiece 6 to be coaxially screwed in the threaded hole, the pitch diameter of the threaded hole is further configured to have a certain taper, so that a gap between the threaded workpiece 6 and the threaded hole is eliminated, and the threaded workpiece and the threaded hole are completely centered. During measurement, the threaded workpiece 6 cannot shake or deflect, so that the accuracy of end face run-out measurement data is ensured.
In this embodiment, with slip table 3, first thousandth table 5 along the direction of keeping away from screw thread work piece 6 arrange in proper order (promptly, arrange in proper order the left side at screw thread work piece 6), because the profile that awaits measuring of screw thread work piece 6 deviates from slip table 3, consequently fixed connection gauge head pole 9 on slip table 3, the free end of gauge head pole 9 extends to the profile department that awaits measuring of screw thread work piece 6, and make gauge head 8 reverse (towards one side of slip table 3) install at the free end of gauge head pole 9 can, this moment, gauge head 8 just faces the profile that awaits measuring of screw thread work piece 6. At this time, the elastic element 4 then provides an elastic force that moves the slide table 3 away from the threaded workpiece 6, for example, the elastic element 4 is configured as a tension spring that provides a pulling force.
In this embodiment, the first dial gauge 5 is detachably and fixedly connected to the slide base 14 of the rack 1 through the gauge stand 51. The meter seat 51 includes an upper seat and a lower seat, the lower seat and the sliding seat 14 are connected by screws, for example, the screws are connected to screw holes on the sliding seat 14 after penetrating through the upper seat and the lower seat at the same time, so as to fix the upper seat and the lower seat at the same time. In addition, the side that first seat is relative with first seat all is provided with the arc recess, two arc recesses align the back constitute with the compress tightly recess of the dead lever looks adaptation on the first thousand table 5 to it is fixed with first thousand table 5.
It can be understood that, since the sliding table 3 tends to move toward the first dial indicator 5 under the tensile force of the elastic element 4, the measuring end (measuring head) of the first dial indicator 5 only needs to abut against the left side wall of the sliding table 3, and the measuring end (measuring head) and the sliding table do not need to be fixedly connected. Moreover, the pressure of the sliding table 3 at the measuring end of the first dial indicator 5 can be controlled to be moderate by adjusting the fixed position of the first dial indicator 5 on the gauge stand 51.
The utility model discloses a theory of operation does: screwing the threaded workpiece 6 into a threaded hole in the fixing part 7 until the threaded workpiece cannot be screwed continuously, and enabling the measuring head 8 to face the profile to be measured of the threaded workpiece 6 by adjusting the position of the sliding table 3 before the threaded workpiece 6 is installed; after the threaded workpiece 6 is installed, under the elastic force action of the elastic element 4, the measuring head 8 is pressed on the molded surface to be measured of the threaded workpiece 6; rotating the turntable 2, the measuring head 8 makes circular motion relative to the to-be-measured profile of the threaded workpiece 6, and the run-out on the to-be-measured profile can be transmitted to the measuring end of the first dial indicator 5 through the measuring head 8, the measuring head rod 9 and the sliding table 3, so that the change of the reading of the first dial indicator is caused, and the end face run-out measurement of the threaded workpiece 6 is realized.
Example two
In the present embodiment, the arrangement further includes an operation handle 10, and the operation handle 10 is used to operate the position of the slide table 3. One end of the operating handle 10 is pivotally connected to a front side wall of a slide table base 14 on the frame 1 by a pin, and a middle position of the operating handle 10 is connected to the slide table 3 by a link 15.
Particularly, still be connected with guide bar 16 and switching piece 17 between connecting rod 15 and the slip table 3, wherein, switching piece 17 passes through screw and the leading flank fixed connection of slip table 3, and the right-hand member of guide bar 16 is connected with switching piece 17 interference (utilizes the cooperation interference between guide bar 16 and switching piece 17 to realize being connected), and the left end is connected with the right-hand member of connecting rod 15 through the round pin, and the left end of connecting rod 15 is then connected with the middle part of operating handle 10 through the round pin. Wherein, the guide rod 16 is parallel to the moving direction of the sliding table 3, and the sliding table base 14 is also provided with a guide sleeve 18 matched with the guide rod 16. The guide sleeve 18 and the operating handle 10 are mounted on a fixing plate 19, and the fixing plate 19 is screwed to the front side wall of the slide base 14.
EXAMPLE III
On the basis of any of the above embodiments, a second dial indicator (not shown in the figure) for measuring the circular runout of the circumferential outer wall of the threaded workpiece 6 is also fixedly installed on the configuration rack 1, so that the device provided by the application can measure both the end face runout and the outer circle runout of the bolt.
Example four
For some bolts with special purposes, as shown in the figure, the bolts also have inner holes, and therefore, on the basis of any of the above embodiments, a third dial indicator (not shown in the figure) for measuring the circular runout amount of the inner hole of the threaded workpiece 6 is also fixedly installed on the machine frame 1, so that the device provided by the application can measure the end face runout of the bolt, the outer circle runout of the bolt, and the circular runout of the inner hole of the bolt.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.
Claims (10)
1. The utility model provides a screw thread work piece measuring device that beats, screw thread work piece is including the external screw thread at least, its characterized in that: the device comprises:
a frame;
the rotary table is rotatably connected to the rack, a containing seat is fixed on the rotary table, a threaded hole for screwing in the external thread on the threaded workpiece is formed in the containing seat, the threaded hole is coaxial with the rotary table, and the threaded hole has a certain taper;
the sliding table is connected to the rack in a sliding mode, a measuring head rod extending towards one side of the threaded workpiece is fixedly installed on the sliding table, and a measuring head opposite to the to-be-measured molded surface of the threaded workpiece is installed on the measuring head rod;
the elastic element is connected between the sliding table and the rack and used for providing elastic force for enabling the measuring head to be close to the threaded workpiece;
and the first dial indicator is fixedly arranged on the rack, and the measuring end of the first dial indicator is connected with the sliding table.
2. The threaded workpiece runout measuring device of claim 1, wherein: the threaded workpiece is a bolt, the molded surface to be measured of the threaded workpiece is a pressure-bearing end face, facing the containing seat, in the bolt, and the sliding table is connected to the rack in a sliding mode along the axial direction of the rotary table.
3. A threaded workpiece runout measuring device according to claim 2, wherein: the sliding table and the first dial indicator are sequentially arranged along the direction away from the threaded workpiece, and the elastic element provides elastic force for enabling the sliding table to be away from the accommodating seat.
4. A threaded workpiece runout measuring device according to claim 3, wherein: the elastic element is a tension spring.
5. The jitter measuring device of claim 1, wherein: first kilo-minute table can dismantle fixed connection through the gauge stand in the frame, the gauge stand includes first seat and second seat, second seat with the frame first seat with second seat is all through the screw connection, first seat with second seat relative side be provided with the recess that compresses tightly of the dead lever looks adaptation of first kilo-minute table.
6. The threaded workpiece runout measuring device of claim 1, wherein: still include operating handle, operating handle's one end pivotal connection be in on the frame, operating handle still through the connecting rod with the slip table is connected.
7. The threaded workpiece runout measuring device of claim 6, wherein: a guide rod and a transfer block are further connected between the connecting rod and the sliding table, the transfer block is fixedly connected with the sliding table, one end of the guide rod is fixedly connected with the transfer block, the other end of the guide rod is connected with the connecting rod, and the guide rod is parallel to the moving direction of the sliding table; wherein, install on the frame with the uide bushing of guide bar looks adaptation.
8. The threaded workpiece runout measuring device of claim 7, wherein: the rack comprises a bottom plate and a vertical plate, the bottom plate is horizontally arranged, the vertical plate is vertically arranged and fixed on one side of the top surface of the bottom plate, and the rotary table is horizontally connected to the vertical plate; the sliding table is characterized in that a plurality of ground feet are installed on one side of the bottom surface of the bottom plate, a sliding table seat is installed on one side of the top surface of the bottom plate, and the sliding table, the first dial indicator and the operating handle are connected to the sliding table seat.
9. A threaded workpiece runout measuring device according to any of claims 1 to 8, wherein: and a second dial indicator for measuring the circular runout of the circumferential outer wall of the threaded workpiece is fixedly arranged on the rack.
10. A threaded workpiece runout measuring device according to any of claims 1 to 8, wherein: the threaded workpiece further comprises an inner hole, and a third dial indicator used for measuring the circular runout of the inner hole of the threaded workpiece is fixedly mounted on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222734289.2U CN218511617U (en) | 2022-10-17 | 2022-10-17 | Thread workpiece jumping measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222734289.2U CN218511617U (en) | 2022-10-17 | 2022-10-17 | Thread workpiece jumping measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218511617U true CN218511617U (en) | 2023-02-21 |
Family
ID=85217184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222734289.2U Active CN218511617U (en) | 2022-10-17 | 2022-10-17 | Thread workpiece jumping measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218511617U (en) |
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2022
- 2022-10-17 CN CN202222734289.2U patent/CN218511617U/en active Active
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