Positioning and focusing device for iron core coding

Abstract

The utility model relates to the technical field of motor iron core manufacturing process equipment, in particular to a positioning and focusing device for iron core coding, which comprises an upper platform, a middle platform and a lower platform which are sequentially arranged according to the upper position, the middle position and the lower position, the middle platform is movably arranged on the lower platform in the left-right direction, a longitudinal lead screw used for pushing the upper platform to move in the front-back direction is arranged between the upper platform and the middle platform, and a transverse lead screw used for pushing the middle platform to move in the left-right direction is arranged between the middle platform and the lower platform. According to the utility model, the mounting and debugging efficiency and the mounting position precision of the clamping and positioning tool for coding on a laser coding machine workbench can be improved, and accurate focusing of workpiece (iron core) coding can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor iron core manufacturing process equipment technical field, concretely relates to a kind of positioning focusing device for iron core coding. BACKGROUND

[0002] Iron core is the core component of motor, and it includes stator core and rotor core. The conventional iron core is usually made by the lamination of several iron core punching sheets. The manufacturing process of the iron core is as follows: the silicon steel strip is punched by a die and automatically riveted into an iron core, or the silicon steel strip is first punched into an iron core punching sheet, and then the punching sheet is laminated and welded or riveted to form a stator core or rotor core assembly.

[0003] After the completion of the iron core manufacturing, the iron core needs to be coded before packaging. The coding is performed on a laser coding machine. In order to meet the needs of mass production, a special clamping positioning tool needs to be provided to ensure the accuracy and clarity of the coding position of each iron core.

[0004] However, the existing clamping positioning tool for coding is relatively troublesome when installed on the workbench of the laser coding machine for position adjustment, and the installation and adjustment efficiency is low. Moreover, the position installation accuracy of the tool is not easy to control accurately, which can easily lead to inaccurate focusing of the workpiece (iron core) during laser coding, thereby reducing the coding clarity. UTILITY MODEL CONTENT

[0005] In order to solve the above problems, the utility model provides a positioning focusing device for iron core coding, which aims to improve the installation and adjustment efficiency and position accuracy of the clamping positioning tool for coding on the workbench of the laser coding machine, and to realize accurate focusing of the workpiece (iron core) during coding. The specific technical solution is as follows:

[0006] A positioning focusing device for iron core coding, comprising an upper platform, a middle platform and a lower platform arranged in order from top to bottom, the upper platform is movably arranged on the middle platform along the front-back direction, the middle platform is movably arranged on the lower platform along the left-right direction, and a longitudinal screw rod is arranged between the upper platform and the middle platform for pushing the upper platform to move along the front-back direction, and a transverse screw rod is arranged between the middle platform and the lower platform for pushing the middle platform to move along the left-right direction.

[0007] Preferably, a plurality of screw holes for fixing iron core clamps are arranged in a rectangular array on the upper platform.

[0008] Preferably, the upper platform is provided with a pair of front seat blocks and a pair of rear seat blocks on the front and rear sides respectively, the pair of front seat blocks are arranged in alignment with the pair of rear seat blocks in the front and rear directions, and a pair of longitudinal guide rail shafts are arranged in parallel and spaced apart in the front and rear directions between the pair of front seat blocks and the pair of rear seat blocks.

[0009] Preferably, the middle platform is provided with a pair of left seat blocks and a pair of right seat blocks on the left and right sides respectively, the pair of left seat blocks are arranged in alignment with the pair of right seat blocks in the left and right directions, and a pair of transverse guide rail shafts are arranged in parallel and spaced apart in the left and right directions between the pair of left seat blocks and the pair of right seat blocks.

[0010] Preferably, a linear bearing is installed in the guide rail hole, and the longitudinal guide rail shaft and the transverse guide rail shaft are movably arranged in the bearing hole of the corresponding linear bearing.

[0011] In the utility model, a screw rod seat is further arranged on the front side of the middle platform, a thrust nut is further fixedly arranged on the central part of the lower end of the upper platform, the longitudinal screw rod is rotatably arranged on the screw rod seat on the front side of the middle platform and is in threaded connection with the thrust nut on the upper platform.

[0012] In the utility model, a screw rod seat is further arranged on the right side of the lower platform, a thrust nut is further fixedly arranged on the central part of the lower end of the middle platform, the transverse screw rod is rotatably arranged on the screw rod seat on the right side of the lower platform and is in threaded connection with the thrust nut on the middle platform.

[0013] As a further improvement, the positioning and focusing device for iron core coding further comprises a longitudinal fine adjustment mechanism for fine adjustment of the position of the middle platform in the front-rear direction, the longitudinal fine adjustment mechanism comprises a longitudinal fine adjustment micro-reduction transmission box fixed on the front side of the middle platform, one end of a longitudinal screw rod is connected with an input shaft of the longitudinal fine adjustment micro-reduction transmission box, and a hand wheel is arranged on the input shaft of the longitudinal fine adjustment micro-reduction transmission box.

[0014] As a further improvement, the positioning and focusing device for iron core coding further comprises a longitudinal fine adjustment mechanism for fine adjustment of the position of the middle platform in the front-rear direction, the longitudinal fine adjustment mechanism comprises a longitudinal fine adjustment micro-reduction transmission box fixed on the front side of the middle platform, one end of a longitudinal screw rod is connected with an input shaft of the longitudinal fine adjustment micro-reduction transmission box, and a hand wheel is arranged on the input shaft of the longitudinal fine adjustment micro-reduction transmission box.

[0015] Preferably, the longitudinal fine adjustment micro-reduction transmission box and the transverse fine adjustment micro-reduction transmission box are micro worm gear reduction transmission boxes.

[0016] Preferably, a compression spring for eliminating the thread cooperation gap between the screw rod and the thrust nut in one direction is further arranged on the outer circle of the longitudinal screw rod and the outer circle of the transverse screw rod respectively, and the two ends of the compression spring abut against the thrust nut and the screw rod seat respectively.

[0017] Preferably, the seat blocks and the supporting blocks are fixed on the corresponding platforms through fasteners.

[0018] The use method of the positioning and focusing device is as follows:

[0019] (1) Positioning and focusing device installation: install the positioning and focusing device for iron core coding on the workbench of the laser coding machine;

[0020] (2) Iron core clamp installation: install and fix the clamping positioning tool for positioning the iron core on the upper platform of the positioning and focusing device;

[0021] (3) Iron core positioning: install and position an analog iron core on the clamping positioning tool;

[0022] (4) Debugging: detect the coding clarity of the analog iron core by trial coding; if necessary, rotate the hand wheel of the longitudinal fine adjustment micro-reduction transmission box to adjust the longitudinal position of the clamping positioning tool and the analog iron core on the upper platform; rotate the hand wheel of the transverse fine adjustment micro-reduction transmission box to adjust the transverse position of the clamping positioning tool and the analog iron core on the upper platform, so that the coding clarity of the analog iron core reaches the optimal state;

[0023] (5) Laser code printing: install and position the formal product (iron core) that needs to be code printed to the clamping positioning tool, and open the laser code printing machine to code print the iron core in batch production.

[0024] The utility model discloses the beneficial effects are:

[0025] First, the utility model relates to a positioning and focusing device for iron core code printing, the upper platform can move along the longitudinal direction, and the middle platform can move along the transverse direction, so that the clamping positioning tool is fixed on the upper platform and adjusted in the longitudinal and transverse directions, and the operation is convenient, thereby improving the efficiency and position accuracy of the installation and debugging of the clamping positioning tool on the laser code printing machine workbench, and realizing accurate focusing of workpiece (iron core) code printing.

[0026] Second, the utility model relates to a positioning and focusing device for iron core code printing, a plurality of screw holes for fixing the iron core clamp (clamping positioning tool) are arranged on the upper platform in a rectangular array, and the installation of the general-purpose iron core clamp (clamping positioning tool) of different sizes can be fixed, and the general-purpose iron core clamp (clamping positioning tool) is good in versatility.

[0027] Third, the utility model relates to a positioning and focusing device for iron core code printing, which is provided with a longitudinal fine adjustment micro-reduction transmission box and a transverse fine adjustment micro-reduction transmission box, and the adjustment accuracy is high, which is favorable for further improving the accurate focusing of laser code printing debugging. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a structural schematic view of the positioning and focusing device for iron core code printing.

[0029] Figure 2 It is Figure 1 a top view (partially sectioned view).

[0030] In the drawing: 1, upper platform, 2, middle platform, 3, lower platform, 4, longitudinal screw rod, 5, transverse screw rod, 6, screw hole, 7, front seat block, 8, rear seat block, 9, longitudinal guide rail shaft, 10, front supporting block, 11, rear supporting block, 12, left seat block, 13, right seat block, 14, transverse guide rail shaft, 15, left supporting block, 16, right supporting block, 17, screw rod seat, 18, thrust nut, 19, longitudinal fine adjustment micro-reduction transmission box, 20, hand wheel, 21, transverse fine adjustment micro-reduction transmission box, 22, compression spring, 23, linear bearing. DETAILED DESCRIPTION

[0031] The specific implementation of the utility model will be further described in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0032] AsFigures 1 to 2 The utility model discloses a positioning focusing device for iron core coding shows an embodiment, including the upper platform 1 of upper middle lower position is arranged in proper order, middle platform 2 and lower platform 3, the upper platform 1 is along the front and back direction and is moved and is arranged on the middle platform 2, the middle platform 2 is along the left and right direction and is moved and is arranged on the lower platform 3, and be provided with the longitudinal screw rod 4 for pushing the upper platform 1 along the front and back direction between the upper platform 1 and middle platform 2 and move, be provided with the horizontal screw rod 5 for pushing the middle platform 2 along the left and right direction between the middle platform 2 and lower platform 3 and move.

[0033] Preferably, a plurality of screw holes 6 for fixing iron core clamps (not shown in the figure) are arranged in a rectangular array on the upper platform 1.

[0034] Preferably, a pair of front seat blocks 7 and a pair of rear seat blocks 8 are respectively vertically arranged on the front and rear sides of the upper platform 1, the pair of front seat blocks 7 are correspondingly aligned with the pair of rear seat blocks 8 in the front and back direction, and a pair of longitudinal guide rail shafts 9 are arranged in parallel and spaced apart in the front and back direction between the pair of front seat blocks 7 and the pair of rear seat blocks 8; a pair of front supporting blocks 10 and a pair of rear supporting blocks 11 are respectively vertically arranged on the front and rear sides of the middle platform 2, guide holes are respectively arranged on the front supporting blocks 10 and the rear supporting blocks 11, and the guide holes on the pair of front supporting blocks 10 are correspondingly aligned with the guide holes on the pair of rear supporting blocks 11 in the front and back direction; the pair of longitudinal guide rail shafts 9 are correspondingly moved in the front and back direction and arranged in the guide holes of the pair of front supporting blocks 10 and the pair of rear supporting blocks 11.

[0035] Preferably, a pair of left seat blocks 12 and a pair of right seat blocks 13 are respectively vertically arranged on the left and right sides of the middle platform 2, the pair of left seat blocks 12 are correspondingly aligned with the pair of right seat blocks 13 in the left and right direction, and a pair of horizontal guide rail shafts 14 are arranged in parallel and spaced apart in the left and right direction between the pair of left seat blocks 12 and the pair of right seat blocks 13; a pair of left supporting blocks 15 and a pair of right supporting blocks 16 are respectively vertically arranged on the left and right sides of the lower platform 3, guide holes are respectively arranged on the left supporting blocks 15 and the right supporting blocks 16, the guide holes on the pair of left supporting blocks 15 are correspondingly aligned with the guide holes on the pair of right supporting blocks 16 in the left and right direction; and the pair of horizontal guide rail shafts 14 are correspondingly moved in the left and right direction and arranged in the guide holes of the pair of left supporting blocks 15 and the pair of right supporting blocks 16.

[0036] Preferably, linear bearings 23 are installed in the guide holes, and the longitudinal guide rail shafts 4 and the horizontal guide rail shafts 14 are respectively moved and arranged in the bearing holes of the corresponding linear bearings 23.

[0037] In this embodiment, a screw rod base 17 is vertically arranged on the front side of the middle platform 2, and a thrust nut 18 is fixedly arranged on the central part of the lower end of the middle platform 2. The longitudinal screw rod 4 is rotatably arranged on the screw rod base 17 on the front side of the middle platform 2 and is in threaded connection with the thrust nut 18 on the upper platform 1.

[0038] In this embodiment, a screw rod base 17 is vertically arranged on the right side of the lower platform 3, and a thrust nut 18 is fixedly arranged on the central part of the lower end of the middle platform 2. The transverse screw rod 5 is rotatably arranged on the screw rod base on the right side of the lower platform 3 and is in threaded connection with the thrust nut 18 on the middle platform 2.

[0039] As a further improvement, the positioning and focusing device for iron core coding in this embodiment is also provided with a longitudinal fine adjustment mechanism for fine adjustment of the position of the upper platform 1 in the front-back direction. The longitudinal fine adjustment mechanism comprises a longitudinal fine adjustment micro-reduction transmission box 19 fixedly arranged on the front side of the middle platform 2. One end of the longitudinal screw rod 4 is connected with the input shaft of the longitudinal fine adjustment micro-reduction transmission box 19. A hand wheel 20 is arranged on the input shaft of the longitudinal fine adjustment micro-reduction transmission box 19.

[0040] As a further improvement, the positioning and focusing device for iron core coding in this embodiment is also provided with a transverse fine adjustment mechanism for fine adjustment of the position of the middle platform 2 in the left-right direction. The transverse fine adjustment mechanism comprises a transverse fine adjustment micro-reduction transmission box 21 fixedly arranged on the right side of the lower platform 3. One end of the transverse screw rod 5 is connected with the input shaft of the transverse fine adjustment micro-reduction transmission box 21. A hand wheel 20 is arranged on the input shaft of the transverse fine adjustment micro-reduction transmission box 21.

[0041] Preferably, the longitudinal fine adjustment micro-reduction transmission box 19 and the transverse fine adjustment micro-reduction transmission box 21 are both micro-worm reduction transmission boxes.

[0042] Preferably, a compression spring 22 for one-way elimination of the threaded connection gap between the screw rod 4, 5 and the thrust nut 18 is respectively sleeved on the outer circle of the longitudinal screw rod 4 and the outer circle of the transverse screw rod 5. The two ends of the compression spring 22 respectively abut against the thrust nut 18 and the screw rod base 17.

[0043] Preferably, each of the seat blocks and the supporting blocks is fixed on the corresponding platform by fasteners.

[0044] The use method of this embodiment is as follows:

[0045] (1) Installation of the positioning and focusing device: install the positioning and focusing device for iron core coding on the workbench of the laser coding machine;

[0046] (2) iron core clamp installation: install the clamping positioning tool for positioning the iron core to the upper platform 1 of the positioning focusing device and fix it;

[0047] (3) iron core positioning: install and position an analog iron core to the clamping positioning tool;

[0048] (4) debugging: detect the printing clarity of the analog iron core by trial printing; if necessary, adjust the longitudinal position of the clamping positioning tool and the analog iron core on the upper platform 1 by rotating the hand wheel on the longitudinal fine adjustment micro-reduction transmission box 19; adjust the transverse position of the clamping positioning tool and the analog iron core on the upper platform 1 by rotating the hand wheel on the transverse fine adjustment micro-reduction transmission box 21, so that the printing clarity of the analog iron core reaches the optimal state;

[0049] (5) laser printing: install and position the formal product (iron core) to be printed to the clamping positioning tool, and start the laser printing machine to perform laser printing on the iron core in batch production.

[0050] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the technical principles of the present application, and these improvements and refinements should also be considered within the protection scope of the present application.

Claims

1. A positioning and focusing device for iron core counting, characterized in that, The upper platform is movably arranged on the middle platform along the front-rear direction, the middle platform is movably arranged on the lower platform along the left-right direction, a longitudinal screw rod is arranged between the upper platform and the middle platform for pushing the upper platform to move along the front-rear direction, and a transverse screw rod is arranged between the middle platform and the lower platform for pushing the middle platform to move along the left-right direction. A screw rod seat is vertically arranged on the middle position of the front side of the middle platform, a thrust nut is fixedly arranged on the central part of the lower end of the upper platform, the longitudinal screw rod is rotatably arranged on the screw rod seat on the front side of the middle platform and is in threaded connection with the thrust nut on the upper platform, a screw rod seat is vertically arranged on the middle position of the right side of the lower platform, a thrust nut is fixedly arranged on the central part of the lower end of the middle platform, and the transverse screw rod is rotatably arranged on the screw rod seat on the right side of the lower platform and is in threaded connection with the thrust nut on the middle platform. The longitudinal screw rod is connected with a micro worm gear reduction transmission box to realize the longitudinal fine adjustment of the upper platform, the transverse screw rod is connected with a micro worm gear reduction transmission box to realize the transverse fine adjustment of the middle platform, and a compression spring is arranged on the outer circle of the longitudinal screw rod and the outer circle of the transverse screw rod to eliminate the gap between the screw rod and the thrust nut.

2. The positioning and focusing device for core counting according to claim 1, characterized in that, A plurality of screw holes for fixing the iron core clamp are arranged on the upper platform in a rectangular array.

3. The positioning and focusing device for core counting according to claim 1, characterized in that, A pair of front seat blocks and a pair of rear seat blocks are vertically arranged on the front and rear sides of the upper platform, the front seat blocks are aligned with the rear seat blocks in the front-rear direction, a pair of longitudinal guide rail shafts are arranged between the front seat blocks and the rear seat blocks in parallel and spaced apart in the front-rear direction, a pair of front supporting blocks and a pair of rear supporting blocks are vertically arranged on the front and rear sides of the middle platform, guide rail holes are arranged on the front supporting blocks and the rear supporting blocks, and the guide rail holes on the front supporting blocks are aligned with the guide rail holes on the rear supporting blocks in the front-rear direction, and the longitudinal guide rail shafts are movably arranged in the guide rail holes of the front supporting blocks and the rear supporting blocks in the front-rear direction.

4. The positioning and focusing device for core counting according to claim 3, characterized in that, The left and right side parts of the middle platform are respectively provided with a pair of left seat blocks and a pair of right seat blocks vertically arranged downward, the pair of left seat blocks are correspondingly arranged in alignment with the pair of right seat blocks in the left-right direction, and a pair of transverse guide rail shafts are arranged in parallel and spaced apart in the left-right direction between the pair of left seat blocks and the pair of right seat blocks; the left and right side parts of the lower platform are respectively provided with a pair of left supporting blocks and a pair of right supporting blocks vertically arranged upward, the left and right supporting blocks are respectively provided with guide rail holes, the guide rail holes of the pair of left supporting blocks are correspondingly arranged in alignment with the guide rail holes of the pair of right supporting blocks in the left-right direction; the pair of transverse guide rail shafts are correspondingly arranged in the guide rail holes of the pair of left supporting blocks and the pair of right supporting blocks in the left-right direction.

5. The positioning and focusing device for core counting according to claim 4, characterized in that, Linear bearings are installed in the guide rail holes, and the longitudinal guide rail shafts and the transverse guide rail shafts are respectively arranged in the bearing holes of the corresponding linear bearings.

6. The positioning and focusing device for core counting according to claim 1, characterized in that, A longitudinal fine adjustment mechanism for realizing the fine adjustment of the position of the upper platform in the front-back direction is further provided, the longitudinal fine adjustment mechanism comprises a longitudinal fine adjustment micro-reduction transmission box fixedly arranged on the front side of the middle platform, one end of the longitudinal screw rod is connected with the input shaft of the longitudinal fine adjustment micro-reduction transmission box, and a hand wheel is arranged on the input shaft of the longitudinal fine adjustment micro-reduction transmission box.

7. The positioning and focusing device for core counting according to claim 6, characterized in that, A transverse fine adjustment mechanism for realizing the fine adjustment of the position of the middle platform in the left-right direction is further provided, the transverse fine adjustment mechanism comprises a transverse fine adjustment micro-reduction transmission box fixedly arranged on the right side of the lower platform, one end of the transverse screw rod is connected with the input shaft of the transverse fine adjustment micro-reduction transmission box, and a hand wheel is arranged on the input shaft of the transverse fine adjustment micro-reduction transmission box.

8. The positioning and focusing device for core counting according to claim 7, characterized in that, The longitudinal fine adjustment micro-reduction transmission box and the transverse fine adjustment micro-reduction transmission box are both micro-worm gear reduction transmission boxes.

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