CN214792945U

CN214792945U - Double-twisting machine concentricity detection tool

Info

Publication number: CN214792945U
Application number: CN202121155236.4U
Authority: CN
Inventors: 孙峰; 黄振华; 姚正华
Original assignee: Jiangyin Tefeng Machinery Co ltd
Current assignee: Jiangyin Tefeng Machinery Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-19
Anticipated expiration: 2031-05-26

Abstract

The utility model relates to a two twisters concentricity detects frock, it is including installing two sets of fixed subassemblies between two main shafts, every group fixed subassembly include with the coaxial fixed axle of dismantling the connection of main shaft, with fixed axle fixed connection's percentage table seat, every the fixed axle sets up rather than the main shaft that corresponds is coaxial, one of them fixedly connected with percentage table on the percentage table seat, another fixedly connected with flexure strip on the percentage table seat, the flexure strip is inconsistent with the outer wall of two fixed axles, the measuring spindle of percentage table is contradicted with the flexure strip. This application has the advantage that the detection precision of two twisting machine main shaft concentricity is high.

Description

Double-twisting machine concentricity detection tool

Technical Field

The application relates to a concentricity detection tool, in particular to a concentricity detection tool of a double-twisting machine.

Background

The double-twisting machine comprises a pair of frames, a main shaft penetrates through each frame, a bearing is sleeved on the outer wall of each main shaft, and the main shafts are rotatably connected with the frames through the bearings. When using the double twister, an operator mounts an axis rotation workpiece between two main shafts. The main shaft rotates to drive the axis to rotate the workpiece to work. Therefore, in the process of machining the double-twisting machine, the requirement on the concentricity between the two main shafts is high, if the concentricity tolerance between the two main shafts is large, the double-twisting machine is easy to vibrate when rotating at a high speed, and a workpiece with a rotating axis cannot stably run.

In view of the above situation, the concentricity of the two main shafts needs to be detected before the double-twisting machine is used, and currently, a three-coordinate detection method is often used for detection, but due to the overlarge distance between the two main shafts, the error of the concentricity detection data obtained by the three-coordinate detection method is large, and the improvement of the concentricity processing precision of the double-twisting machine is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to improve the detection precision of two twister main shaft concentricity, this application provides a two twister concentricity detects frock.

The application provides a pair of twister concentricity detects frock adopts following technical scheme:

the utility model provides a two twisters concentricity detects frock, is including installing two sets of fixed subassemblies between two main shafts, every group fixed subassembly include with the coaxial fixed axle of dismantling the connection of main shaft, with fixed axle fixed connection's percentage table seat, every the fixed axle sets up rather than the main shaft that corresponds is coaxial, one of them fixedly connected with percentage table on the percentage table seat, another fixedly connected with flexure strip on the percentage table seat, the flexure strip is inconsistent with the outer wall of two fixed axles, the spindle and the flexure strip of percentage table are contradicted.

Through adopting above-mentioned technical scheme, two fixed axles and the coaxial setting of main shaft have shortened the measuring distance between two main shafts, and the axiality deviation between the fixed axle is the axiality deviation between the main shaft promptly, and the main shaft drives the fixed axle and rotates during the detection, and the operator takes place deformation as the main shaft with the flexure strip and whether has the judgement standard of concentricity deviation: if the concentricity deviation exists between the two main shafts, the end, which is abutted against the measuring shaft of the dial indicator, of the elastic sheet tilts, the measuring shaft is stressed to contract, the pointer of the dial indicator rotates, the main shaft rotates for a circle, and the difference value between the maximum value and the minimum value of the number indicated by the pointer of the dial indicator is the concentricity difference value of the two main shafts; if the concentricity deviation does not exist between the two main shafts, the elastic sheet does not deform, and the pointer of the dial indicator does not deflect; the fixed shaft, the elastic piece and the dial indicator are matched for use, so that the concentricity of the double-twisting machine can be conveniently and quickly detected, and the detection precision of the concentricity of the double-twisting machine is improved.

Optionally, a magnetic sleeve is fixedly sleeved on the dial indicator, a magnetic block is fixedly connected to the dial indicator seat where the dial indicator is located, and the dial indicator is magnetically adsorbed to the magnetic block through the magnetic sleeve.

Through adopting above-mentioned technical scheme, the percentage table passes through the magnetic adsorption between magnetic sleeve and the magnetism piece and fixes on the percentage table seat to the operator changes the percentage table, in order to further promote the detection precision of two twisting machine main shaft concentricity, can change the percentage table into the amesdial that the detection precision is higher.

Optionally, a plurality of lightening holes are formed in each of the two dial gauge seats.

Through adopting above-mentioned technical scheme, the weight of a plurality of lightening holes reduction percentage table seat for centrifugal force that the percentage table seat produced when the fixed axle rotates reduces, reduces the possibility that the fixed axle took place slight rocking on the one hand, improves the detection precision that detects the frock, and on the other hand improves the connection stability between percentage table seat and the fixed axle.

Optionally, each fixing assembly further comprises a shaft sleeve for connecting the main shaft and the fixing shaft, the shaft sleeve is sleeved on the outer side wall of the main shaft, and the fixing shaft is arranged in the shaft sleeve in a penetrating manner.

Through adopting above-mentioned technical scheme, the internal diameter of axle sleeve slightly is greater than the external diameter of main shaft and the external diameter of fixed axle for main shaft and fixed axle all joint are in the axle sleeve, guarantee the axiality between main shaft and the fixed axle.

Optionally, the shaft sleeve is provided with a locking assembly, the locking assembly comprises a connecting plate fixedly connected to the shaft sleeve and locking bolts arranged in the connecting plate in a penetrating mode through threads, the number of the connecting plate is at least two, and one end of each locking bolt is abutted to the fixed shaft.

Through adopting above-mentioned technical scheme, a plurality of locking bolt cooperations are used, can compress tightly the fixed axle, improve the stability of being connected between fixed axle and the axle sleeve, improve the safety in utilization that detects the frock.

Optionally, one side of the connecting plate close to the fixed shaft is provided with an arc-shaped groove, and the arc-shaped groove is attached to the outer peripheral wall of the fixed shaft.

Through adopting above-mentioned technical scheme, the arc wall set up the area of contact between increase connecting plate and the fixed axle, increase the frictional force between connecting plate and the fixed axle for be connected between fixed axle and the axle sleeve more stable.

Optionally, the fixed shaft is provided with a first threaded hole, and one end of the locking bolt passes through the first threaded hole and extends into the fixed shaft.

Through adopting above-mentioned technical scheme, locking bolt's one end is located the fixed axle, carries on spacingly to the fixed axle, makes the fixed axle follow axle sleeve synchronous revolution on the one hand, and on the other hand reduces the fixed axle and takes place the possibility of separation with the axle sleeve under the centrifugal force effect, strengthens the stability of being connected between fixed axle and the axle sleeve.

Optionally, a door-shaped frame is fixedly connected to the connecting plate, the door-shaped frame includes a horizontal support plate, a positioning bolt penetrates through the horizontal support plate, and one end of the positioning bolt abuts against the fixed shaft.

Through adopting above-mentioned technical scheme, positioning bolt and a plurality of locking bolt cooperation compress tightly the fixed axle, further reduce the deviation of the axiality between fixed axle and the main shaft.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the detection distance between the two main shafts is shortened by arranging the fixed shaft, the elastic sheet is used as a detection reference for quickly judging whether the main shafts have concentricity deviation or not, an operator rotates the main shafts, if the concentricity deviation exists between the two main shafts, one end of the elastic sheet tilts, the measuring shaft is stressed to contract, after the main shafts rotate for multiple circles, the difference value between the maximum value and the minimum value of the indication number indicated by the pointer of the dial indicator is the difference value of the concentricity of the two main shafts, if the concentricity deviation does not exist between the two main shafts, the elastic sheet does not deform, the concentricity of the double-twisting machine is detected conveniently, and the concentricity detection precision of the double-twisting machine is high;

2. produce the magnetic adsorption through the magnetism sleeve between percentage table and the magnetism piece, realize dismantling the connection, when needs improve and detect the precision, can change the percentage table into the amesdial that detects the precision is higher.

3. Through locking Assembly's setting, strengthen the joint strength of fixed axle and axle sleeve, reduce the fixed axle and take place the possibility of rocking because of the effect of centrifugal force in the axle sleeve, further improve the detection precision of two twisting machine main shaft concentricity.

Drawings

Fig. 1 is a schematic structural view of a double twisting machine in the related art;

FIG. 2 is a schematic overall structure for embodying an embodiment of the present application;

FIG. 3 is an exploded view of the connection between the spindle, the securing assembly, the locking assembly and the gantry for embodying embodiments of the present application;

FIG. 4 is a schematic structural diagram of a connection mode between the dial indicator and the elastic sheet in the embodiment of the present application.

Description of reference numerals: 01. a base; 02. a frame; 03. a main shaft; 1. a fixing assembly; 11. a shaft sleeve; 12. a fixed shaft; 121. a first threaded hole; 13. a dial indicator base; 131. a magnetic block; 132. lightening holes; 133. an arc groove; 2. a dial indicator; 21. a magnetic sleeve; 22. measuring a shaft; 3. an elastic sheet; 4. a locking assembly; 41. a connecting plate; 411. an arc-shaped slot; 42. locking the bolt; 5. a gantry frame; 51. a support plate; 511. a second threaded hole; 52. a horizontal support plate; 521. positioning holes; 53. and (6) positioning the bolt.

Detailed Description

Referring to fig. 1, the double twister comprises a base 01 and a pair of frames 02 fixedly installed on the base 01, wherein a main shaft 03 penetrates through each frame 02 along the horizontal direction of the frame 02, and the main shaft 03 is rotatably connected to the frames 02 through bearings.

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses two twisters concentricity detection frock. Referring to fig. 2 and 3, the concentricity detection tool for the double twister comprises two groups of fixing assemblies 1 arranged between two main shafts 03, wherein each group of fixing assemblies 1 comprises a shaft sleeve 11, a fixing shaft 12 and a dial indicator base 13. Each shaft sleeve 11 is sleeved outside the corresponding main shaft 03. Each fixed shaft 12 is coaxially disposed with its corresponding main shaft 03, and one end of the fixed shaft 12 extends into its corresponding shaft sleeve 11, and the main shaft 03 and the fixed shaft 12 are connected by the shaft sleeve 11. In the production process of the fixing shaft 12 and the shaft sleeve 11, the outer diameter of the fixing shaft 12 is consistent with that of the main shaft 03, and the inner diameter of the shaft sleeve 11 is slightly larger than that of the main shaft 03, so that the main shaft 03 and the fixing shaft 12 can be clamped in the shaft sleeve 11, and the coaxiality between the main shaft 03 and the fixing shaft 12 is guaranteed.

Referring to fig. 3, the shaft sleeve 11 is provided with a locking assembly 4, and the locking assembly 4 is positioned on one side of the shaft sleeve 11 close to the fixed shaft 12. The locking assembly 4 comprises a connecting plate 41 fixedly connected to the shaft sleeve 11 and locking bolts 42 threaded in the connecting plate 41, at least two connecting plates 41 are arranged, and the connecting plates 41 are uniformly distributed along the axis of the fixed shaft 12. One side of the connecting plate 41 close to the fixing shaft 12 is provided with an arc-shaped groove 411, the connecting plate 41 is attached to the outer peripheral wall of the fixing shaft 12 through the arc-shaped groove 411, line contact between the connecting plate 41 and the fixing shaft 12 is changed into surface contact, and the contact area between the connecting plate 41 and the fixing shaft 12 is increased, so that the connection stability between the fixing shaft 12 and the shaft sleeve 11 is improved.

Referring to fig. 3, the operator rotates the locking bolt 42, so that one end of the locking bolt 42 abuts against the outer wall of the fixing shaft 12, and the locking bolts 42 cooperate to press the fixing shaft 12. Further, an operator can open the first threaded hole 121 on the fixing shaft 12, and the operator continues to rotate the locking bolt 42, one end of the locking bolt 42 passes through the first threaded hole 121 and extends into the fixing shaft 12, and the locking bolt 42 limits the fixing shaft 12, so that the fixing shaft 12 rotates synchronously with the shaft sleeve 11, and meanwhile, the connection between the fixing shaft 12 and the shaft sleeve 11 is further enhanced.

Referring to fig. 3, a door frame 5 is disposed on a side of the connecting plate 41 away from the fixed shaft 12, and the door frame 5 includes two support plates 51 vertically disposed and a horizontal support plate 52 fixedly connected between the two support plates 51. The two connecting plates 41 are located between the two support plates 51, and the support plates 51 are attached to the connecting plates 41. The two support plates 51 are each formed with a second screw hole 511 corresponding to the locking bolt 42, and the locking bolt 42 passes through the second screw hole 511 so that the gate frame 5 is bolted to the connection plate 41 by the locking bolt 42.

Referring to fig. 3, the horizontal support plate 52 is provided with a positioning hole 521, a positioning bolt 53 is threaded through the inner thread of the positioning hole 521, one end of the positioning bolt 53 abuts against the outer wall of the fixed shaft 12, and the positioning bolt 53 is matched with the plurality of locking bolts 42 to compress the fixed shaft 12, so that the position of the fixed shaft 12 in the shaft sleeve 11 is stable, and the deviation of the coaxiality between the fixed shaft 12 and the main shaft 03 is reduced.

Referring to fig. 4, two dial gauge stands 13 are vertically disposed on the corresponding fixed shafts 12, and the dial gauge stands 13 are bolted to the fixed shafts 12. The arc grooves 133 are formed in the bottoms of the two dial gauge seats 13, the arc grooves 133 are attached to the fixed shaft 12, and the connection stability of the dial gauge seats 13 and the fixed shaft 12 is improved.

Referring to fig. 4, the dial indicator base 13 is provided with a plurality of lightening holes 132, the lightening holes 132 lighten the weight of the dial indicator base 13, the centrifugal force generated when the dial indicator base 13 rotates along with the fixed shaft 12 is reduced, the possibility of slight shaking of the fixed shaft 12 is reduced, the detection precision of the detection tool can be improved, and meanwhile, the connection stability between the dial indicator base 13 and the fixed shaft 12 is improved.

Referring to fig. 4, a magnetic block 131 is fixedly connected to one of the dial indicator bases 13, a dial indicator 2 is arranged in the vertical direction of the magnetic block 131 in a penetrating manner, and the dial indicator 2 is detachably fixed on the dial indicator base 13 as the magnetic sleeve 21 is fixedly sleeved outside the dial indicator 2 and the dial indicator 2 is magnetically adsorbed by the magnetic sleeve 21 and the magnetic block 131. Further, if the operator needs to improve the detection precision of the coaxiality, the dial indicator 2 can be quickly replaced by a dial indicator with higher detection precision.

Referring to fig. 4, the elastic sheet 3 is fixedly connected to the other dial indicator base 13, the elastic sheet 3 abuts against the outer walls of the two fixed shafts 12, and the measuring shaft 22 of the dial indicator 2 abuts against the elastic sheet 3. When the operator carries out the concentricity and detects, rotates two main shafts 03 simultaneously, and main shaft 03 drives fixed axle 12 rotatory, and the operator takes place deformation as the judgement standard whether main shaft 03 exists the concentricity deviation with elastic sheet 3: if the concentricity deviation exists between the two main shafts 03, one end of the elastic sheet 3, which is abutted against the measuring shaft 22 of the dial indicator 2, tilts, the measuring shaft 22 is stressed to contract, the pointer of the dial indicator 2 rotates, the main shafts 03 rotate for a circle, and the difference value between the maximum value and the minimum value of the indication number indicated by the pointer of the dial indicator 2 is the difference value of the concentricity of the two main shafts 03; if the concentricity deviation does not exist between the two main shafts 03, the elastic sheet 3 does not deform, and the pointer of the dial indicator 2 does not deflect.

The implementation principle of the concentricity detection tool of the double-twisting machine in the embodiment of the application is as follows: when an operator detects the coaxiality deviation, the two main shafts 03 are rotated simultaneously, the main shafts 03 drive the fixed shafts 12 to rotate, and the coaxiality deviation between the fixed shafts 12 is the coaxiality deviation between the main shafts 03. If the concentricity deviation exists between the two main shafts 03, one end of the elastic sheet 3, which is abutted to the measuring shaft 22, tilts, the measuring shaft 22 is stressed to contract, the pointer of the dial indicator 2 rotates, the main shaft 03 rotates for a circle, and the difference value between the maximum value and the minimum value of the readings indicated by the pointer of the dial indicator 2 is the difference value of the concentricity of the two main shafts 03. If the concentricity deviation does not exist between the two main shafts 03, the elastic sheet 3 does not deform, and the pointer of the dial indicator 2 does not deflect.

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

1. The utility model provides a two twisters concentricity detects frock which characterized in that: including installing two sets of fixed subassembly (1) between two main shafts (03), every group fixed subassembly (1) include with main shaft (03) coaxial can dismantle the fixed axle (12) of being connected, with fixed axle (12) fixed connection's percentage table seat (13), every fixed axle (12) and the coaxial setting of main shaft (03) that corresponds, one of them fixedly connected with percentage table (2) on percentage table seat (13), another fixedly connected with flexure strip (3) on percentage table seat (13), flexure strip (3) are inconsistent with the outer wall of two fixed axles (12), the side shaft (22) of percentage table (2) are inconsistent with flexure strip (3).

2. The double-twisting machine concentricity detection tool according to claim 1, characterized in that: the dial indicator is characterized in that a magnetic sleeve (21) is fixedly connected to the dial indicator (2), a magnetic block (131) is fixedly connected to a dial indicator seat (13) where the dial indicator (2) is located, and the dial indicator (2) is magnetically adsorbed to the magnetic block (131) through the magnetic sleeve (21).

3. The double-twisting machine concentricity detection tool according to claim 1, characterized in that: and a plurality of lightening holes (132) are formed in the two dial gauge seats (13).

4. The double-twisting machine concentricity detection tool according to claim 1, characterized in that: each fixing component (1) further comprises a shaft sleeve (11) used for connecting the main shaft (03) and the fixing shaft (12), the shaft sleeve (11) is sleeved on the outer side wall of the main shaft (03), and the fixing shaft (12) penetrates through the shaft sleeve (11).

5. The double-twisting machine concentricity detection tool according to claim 4, wherein: be equipped with locking Assembly (4) on axle sleeve (11), locking Assembly (4) are including connecting plate (41), the locking bolt (42) of screw thread wear to establish in connecting plate (41) of fixed connection on axle sleeve (11), connecting plate (41) are equipped with two at least, the one end and fixed axle (12) butt of locking bolt (42).

6. The double-twisting machine concentricity detection tool according to claim 5, characterized in that: one side of the connecting plate (41) close to the fixed shaft (12) is provided with an arc-shaped groove (411), and the arc-shaped groove (411) is attached to the outer peripheral wall of the fixed shaft (12).

7. The double-twisting machine concentricity detection tool according to claim 6, wherein: the fixing shaft (12) is provided with a first threaded hole (121), and one end of the locking bolt (42) penetrates through the first threaded hole (121) and extends into the fixing shaft (12).

8. The double-twisting machine concentricity detection tool according to claim 5, characterized in that: the door-shaped frame (5) is fixedly connected to the connecting plate (41), the door-shaped frame (5) comprises a horizontal supporting plate (52), a positioning bolt (53) penetrates through the horizontal supporting plate (52), and one end of the positioning bolt (53) is abutted against the fixed shaft (12).