End-toothed disc outer tooth positioning mechanism

Abstract

The utility model discloses an outer tooth positioning mechanism for an end-toothed disc. The outer tooth positioning mechanism comprises a base, a fixed disc and a positioning tooth block, a fixing disc is vertically and fixedly arranged at the upper end of the base, the middle part of the fixing disc protrudes outwards to form a protruding part, and a plurality of positioning tooth blocks which can move in the radial direction of the protruding part and abut against the end-toothed disc are arranged in the protruding part in the circumferential direction of the protruding part at equal intervals. According to the end-toothed disc inner and outer tooth positioning mechanism, end-toothed discs of different sizes can be clamped and fixed through the positioning mechanism, so that the stability, reliability and practicability of the end-toothed disc inner and outer tooth positioning mechanism are improved, the application range of the end-toothed disc inner and outer tooth positioning mechanism is widened, and operation is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to end tooth disc positioning technical field, specifically, relate to a kind of end tooth disc outer gear positioning mechanism. BACKGROUND

[0002] End tooth disc (hirth coupling) also called mouse-tooth disc or face gear, as shown in Figure 3 , it is the most core key component of mechanical indexing equipment, it can ensure that numerical control machinery and other equipment high-precision indexing orderly operation. End tooth disc manufacturing precision requirement is high, process is complex.

[0003] After retrieval: Chinese patent application No. "CN202221633129.2", end tooth disc finish turning clamp is disclosed, the end tooth disc finish turning clamp includes base, the middle part of base is provided with cylindrical support table, the middle part of support table is provided with boss part, a plurality of screw sleeves are rotationally connected to the side wall of boss part along the circumferential direction of support table, and the plurality of screw sleeves are arranged along the diameter direction of support table, a cavity is formed in the inside of boss part, and a driving mechanism for driving the synchronous rotation of the plurality of screw sleeves is arranged in the inside of cavity; end tooth disc is placed on the top of support table, and boss part is penetrated from the middle part of end tooth disc, the synchronous rotation of the plurality of screw sleeves is driven by adjusting driving mechanism, the rotation of screw rod inside screw sleeve is driven by screw sleeve, the rotation of positioning block relative to support table is limited by limiting mechanism, so that the rotation of screw rod is changed into sliding along screw sleeve.

[0004] The inventor found the following problems in the prior art during the implementation of the utility model.

[0005] The existing clamp (or positioning mechanism) drives the movement of multiple screw rods by driving rod mechanism to drive the positioning block at the end to abut against the inner wall of end tooth disc to position and clamp it during use, and during processing, the positioning block contacts end tooth disc, which will cause the positioning block and end tooth disc to slide and rub under the action of external force generated during processing, so that end tooth disc will rotate along its circumferential direction, resulting in poor stability of clamping, which will also affect the processing accuracy.

[0006] Therefore, to provide a kind of end tooth disc outer gear positioning mechanism, which can clamp and fix end tooth discs of different sizes by positioning mechanism during use, thereby improving its stability, reliability and practicability, also expanding its use range, and the operation is simple, is the problem that the utility model urgently needs to solve. UTILITY MODEL CONTENTS

[0007] In order to solve the above technical problems, the end tooth disc outer tooth positioning mechanism has the advantages that the end tooth disc outer tooth positioning mechanism can clamp and fix end tooth discs of different sizes through the positioning mechanism in the use process, thereby improving the stability, reliability and practicability of the end tooth disc outer tooth positioning mechanism, expanding the use range of the end tooth disc outer tooth positioning mechanism and achieving the effect of simple operation.

[0008] In order to achieve the above-mentioned purpose, the utility model provides an end tooth disc outer tooth positioning mechanism, the end tooth disc outer tooth positioning mechanism includes: base, fixed disc and positioning tooth block,

[0009] The upper end of the base is vertically fixedly provided with a fixed disc, the middle part of the fixed disc is outwardly protruding to form a protruding part, a plurality of positioning tooth blocks capable of moving along the radial direction and abutting on the end tooth disc are arranged at equal intervals along the circumferential direction of the inside of the protruding part, and a rack set meshing and connected with the end tooth disc is uniformly arranged on each of the positioning tooth blocks facing the end tooth disc.

[0010] Preferably, the end tooth disc outer tooth positioning mechanism further comprises a driving mechanism for synchronously driving all the positioning tooth blocks to move along the radial direction of the protruding part, the driving mechanism comprising: a transmission gear disc, a positioning tooth plate and a positioning tooth roller; wherein,

[0011] A transmission gear disc is coaxially and rotatably arranged on the outer wall of the fixed disc, and a positioning tooth plate capable of penetrating out of the inside of the fixed disc beside the transmission gear disc is vertically and fixedly arranged on each of the positioning tooth blocks facing away from the end tooth disc, and a positioning tooth roller meshing and connected with the protruding part and the positioning tooth plate respectively is rotatably arranged on the base beside the positioning tooth plate.

[0012] Preferably, the top end of each of the positioning tooth plates is fixedly provided with a support plate, and a guide rod parallel to the positioning tooth plate is fixedly arranged on each of the support plates, and the other end of the guide rod extends into the inside of the fixed disc from beside the protruding part and is fixed on the corresponding positioning tooth block.

[0013] Preferably, the end tooth disc outer tooth positioning mechanism further comprises a power assembly for driving the protruding part to rotate, the power assembly comprising: a power gear, a support table and a power motor; wherein,

[0014] A supporting table is horizontally and fixedly arranged beside the base, and a power motor is horizontally and fixedly arranged at the upper end of the supporting table.

[0015] Preferably, the transmission gear plate is rotatably and coaxially fixed on the protruding part through a bearing.

[0016] According to the above technical scheme, the end gear plate outer tooth positioning mechanism has the following advantages in use:

[0017] In use, the end gear plate to be processed is placed into the protruding part, and the positioning tooth blocks are simultaneously driven to move towards the end gear plate until all the positioning tooth blocks abut against the end gear plate, so that the end gear plate is clamped and positioned for grinding or drilling and other processing. Since each positioning tooth block can move along the protruding part to adjust the distance between each positioning tooth block and the end gear plate, the positions of all the positioning tooth blocks of the positioning mechanism to the center of the protruding part or the fixed disc are adjusted, so that the positioning mechanism can clamp and position end gear plates of different sizes, thereby improving the stability, reliability and practicability of the positioning mechanism and expanding the use range thereof.

[0018] In conclusion, the positioning mechanism can clamp and position end gear plates of different sizes, thereby improving the stability, reliability and practicability of the positioning mechanism and expanding the use range thereof, and the operation is simple.

[0019] Other features and advantages of the present application will be illustrated in detail in the following specific embodiments; and the parts not involved in the present application are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the following specific embodiments, but do not constitute a limitation to the present application. In the drawings:

[0021] Figure 1 is a structure schematic view of an end gear plate outer tooth positioning mechanism provided in a preferred embodiment of the present application;

[0022] Figure 2 is a structure front view of an end gear plate outer tooth positioning mechanism provided in a preferred embodiment of the present application;

[0023] Figure 3 is a structure schematic view of an end gear plate.

[0024] EXPLANATION OF REFERENCE NUMERALS

[0025] 1, base; 2, fixed disc; 3, protruding part; 4, positioning tooth block; 5, transmission gear; 6, positioning tooth plate; 7, positioning tooth roller; 8, support plate; 9, guide rod; 10, power gear; 11, support table; 12, power motor. DETAILED DESCRIPTION

[0026] The specific embodiments of the utility model are described in detail below in combination with the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0027] As Figures 1-2 shown, the utility model provides a kind of end tooth disc outer tooth positioning mechanism, the end tooth disc outer tooth positioning mechanism includes: base 1, fixed disc 2 and positioning tooth block 4;

[0028] The upper end of the base 1 is vertically fixedly provided with the fixed disc 2, the middle part of the fixed disc 2 is outwardly protruding to form the protruding part 3, the inside of the protruding part 3 is equidistantly provided with a plurality of positioning tooth blocks 4 capable of moving along its radial direction and abutting on the end tooth disc along its circumferential direction, and each of the positioning tooth blocks 4 towards the end tooth disc is uniformly provided with a rack group meshing connected with the end tooth disc.

[0029] In the above scheme, when using, the end tooth disc to be processed is placed into the protruding part 3 and the positioning tooth blocks 4 are simultaneously driven to approach the end tooth disc until all the positioning tooth blocks 4 abut on the end tooth disc, so as to clamp and position the broken tooth disc, so as to polish or drill the positioned end tooth disc and other processing, since each of the positioning tooth blocks 4 can move along the protruding part 3 (also can move along the radial direction of the fixed disc 2), the distance of each of the positioning tooth blocks 4 to the end tooth disc is adjusted, so that the position of all the positioning tooth blocks 4 of the positioning mechanism to the center of the protruding part 3 or the fixed disc 2 is adjusted, so that the positioning mechanism can clamp and position the end tooth disc of different sizes, thereby improving the practicability and use range of the positioning mechanism.

[0030] In a preferred embodiment of the utility model, the end tooth disc outer tooth positioning mechanism further includes a driving mechanism for simultaneously driving all the positioning tooth blocks 4 to move along the radial direction of the protruding part 3, and the driving mechanism includes: transmission gear 5, positioning tooth plate 6 and positioning tooth roller 7; wherein,

[0031] The outer wall of the fixed disc 2 is coaxially and rotatably provided with a transmission gear disc 5, and each of the positioning tooth blocks 4 opposite to the end gear disc is vertically and fixedly provided with a positioning tooth plate 6 capable of penetrating out of the inside of the fixed disc 2 beside the transmission gear disc 5, and the base 1 beside the positioning tooth plate 6 is rotatably provided with a positioning tooth roller 7 respectively meshed and connected with the protruding part 3 and the positioning tooth plate 6.

[0032] In the above scheme, all the positioning tooth rollers 7 are driven to rotate by rotating the transmission gear disc 5, so that all the positioning tooth plates 6 meshed and connected with all the positioning tooth rollers 7 can drive all the positioning tooth blocks 4 to move along the radial direction of the fixed disc 2, so as to adjust the positions of all the positioning tooth blocks 4, thereby clamping and positioning the end gear discs of different sizes.

[0033] In a preferred embodiment of the utility model, the top end of each positioning tooth plate 6 is fixedly provided with a support plate 8, and each support plate 8 is fixedly provided with a guide rod 9 parallel to the positioning tooth plate 6, and the other end of the guide rod 9 extends into the inside of the fixed disc 2 from the side of the protruding part 3 and is fixed on the corresponding positioning tooth block 4.

[0034] In the above scheme, the protruding part 3 is uniformly and through provided with a first through hole and a second through hole along the circumferential direction thereof for all the positioning tooth plates 6 and all the guide rods 9 to penetrate through.

[0035] And each positioning tooth plate 6 can ensure that the positioning tooth plate 6 drives the positioning tooth block 4 to stably and reliably move linearly along the radial direction of the protruding part 3 under the cooperation of the guide rod 9 adjacent thereto and the second guide hole of the protruding part 3.

[0036] In addition, the power motor 11 is a speed reducer, and the speed reducer is a commonly known technology, so its specific structure and use principle will not be repeated here.

[0037] In a preferred embodiment of the utility model, the end gear disc outer gear positioning mechanism further comprises a power assembly for driving the protruding part 3 to rotate, and the power assembly comprises a power gear 10, a support table 11 and a power motor 12.

[0038] A support table 11 is horizontally and fixedly arranged beside the base 1, the upper end of the support table 11 is horizontally and fixedly provided with a power motor 12, and the output shaft of the power motor 12 is coaxially and fixedly provided with a power gear 10 meshed and connected with the transmission gear disc 5.

[0039] In the above scheme, in use, the power motor 12 is started to drive the power gear 10 to drive the transmission gear 5 engaged with it to rotate, and power is provided for the rotation of the transmission gear 5, so that the transmission gear 5 can drive the transmission gear roller 7 engaged with it to drive all the positioning tooth plates 6 to drive all the positioning tooth blocks 4 to move.

[0040] In a preferred embodiment of the utility model, the transmission gear disc 5 is rotatably coaxially fixed on the protruding part 3 through a bearing.

[0041] In the above scheme, the protruding part 3 can rotate on the protruding part 3 through a bearing.

[0042] In summary, the end tooth disc outer tooth positioning mechanism provided by the utility model overcomes the problem in the prior art that in use, a plurality of lead screws are driven to move by a driving rod mechanism to drive the positioning blocks at the end of the lead screws to abut against the inner wall of the end tooth disc to position and clamp the end tooth disc, and in the machining process, the positioning blocks contact the end tooth disc, and under the action of external force generated in the machining process, the positioning blocks and the end tooth disc slide and rub, so that the end tooth disc rotates in the circumferential direction, and the stability of clamping is poor, and the machining precision is affected.

[0043] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model.

[0044] In addition, it should be noted that various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the utility model will not further describe various possible combination manners.

[0045] In addition, various different embodiments of the utility model can also be combined arbitrarily, as long as they do not deviate from the concept of the utility model, and they should also be considered as disclosed content of the utility model.

Claims

1. A toothed disc external tooth positioning mechanism, characterized in that, The end gear plate external tooth positioning mechanism includes: a base (1), a fixed plate (2), and a positioning tooth block (4). A fixed plate (2) is vertically fixed at the upper end of the base (1). The middle part of the fixed plate (2) protrudes outward to form a protrusion (3). The interior of the protrusion (3) is provided with several positioning tooth blocks (4) that can move in the radial direction and abut against the end tooth plate at equal intervals along its circumference. Each positioning tooth block (4) facing the end tooth plate is provided with a rack set that meshes with the end tooth plate.

2. The end-tooth disk external tooth positioning mechanism according to claim 1, characterized in that, The end-tooth disk external tooth positioning mechanism also includes a drive mechanism for synchronously driving all the positioning tooth blocks (4) to move in the radial direction along the protrusion (3), the drive mechanism including: a transmission tooth disk (5), a positioning tooth plate (6), and a positioning tooth roller (7); wherein, A transmission gear disk (5) is coaxially and rotatably arranged on the outer wall of the fixed disk (2), and a positioning tooth plate (6) that can pass through the interior of the fixed disk (2) located next to the transmission gear disk (5) is vertically fixed on each of the positioning tooth blocks (4) facing away from the end gear disk. A positioning tooth roller (7) that meshes with the protrusion (3) and the positioning tooth plate (6) is rotatably arranged on the base (1) located next to the positioning tooth plate (6).

3. The end-tooth disk external tooth positioning mechanism according to claim 2, characterized in that, Each of the positioning tooth plates (6) is fixedly provided with a support plate (8) at its top end, and each of the support plates (8) is fixedly provided with a guide rod (9) parallel to the positioning tooth plate (6), and the other end of the guide rod (9) extends from one side of the protrusion (3) into the interior of the fixed plate (2) and is fixed on the corresponding positioning tooth block (4).

4. The end-tooth disk external tooth positioning mechanism according to claim 2, characterized in that, The external tooth positioning mechanism of the end gear disk also includes a power assembly for driving the protrusion (3) to rotate, the power assembly including: a power gear (10), a support platform (11), and a power motor (12); wherein, A support platform (11) is horizontally fixed on one side of the base (1), and a power motor (12) is horizontally fixed on the upper end of the support platform (11). A power gear (10) that meshes with the transmission gear plate (5) is coaxially fixed on the output shaft of the power motor (12).

5. The end-tooth disk external tooth positioning mechanism according to claim 4, characterized in that, The transmission gear disc (5) is rotatably and coaxially fixed on the protrusion (3) via a bearing.

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