CN220882007U

CN220882007U - Machining positioning device

Info

Publication number: CN220882007U
Application number: CN202322311557.4U
Authority: CN
Inventors: 任海波; 王加玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-05-03
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a mechanical processing positioning device, and mainly relates to the field of mechanical processing. Including the brace table, brace table intermediate position is equipped with places the district, circular array has a plurality of positioning fixture on the brace table, and is a plurality of positioning fixture all includes the mounting panel, one side that the mounting panel is close to the brace table center pin is equipped with the elastic expansion link, the one end that the mounting panel was kept away from to the elastic expansion link is equipped with the clamp splice, one side of elastic expansion link movable part is equipped with can with brace table contact complex stop device. The utility model has the beneficial effects that: the bearing is pushed to the central position through the elasticity of the elastic telescopic rod from the area, and finally the position of the clamping blocks is fixed through the limiting device, so that the quick assembly and positioning of the bearing are realized, the production efficiency is improved, and the clamping force of each clamping block pushing to the bearing is kept consistent due to the elastic characteristic, so that the clamping force is uniform, and the processing quality of the bearing is ensured.

Description

Machining positioning device

Technical Field

The utility model relates to the field of machining, in particular to a machining positioning device.

Background

When carrying out mechanical processing, processing positioner is indispensable, and processing positioner realizes fixed to the work piece to conveniently carry out processing, just including the positioner that the bearing processing was used.

At present, in the production and processing process of a bearing, especially when the assembly operation of an inner ring and an outer ring in the bearing is related, the assembly modes of the outer ring, the inner ring, the rolling bodies and the like of the bearing are mostly manual operation, and the manual operation of a worker is inconvenient to fix the outer ring of the bearing, so that the combination operation of the outer ring and the inner ring is influenced, and therefore, the worker can manufacture a positioning device for assisting in processing.

The existing bearing positioning device drives the clamping blocks to be close to the center to clamp the fixed bearing mostly through a plurality of screws, the structure can effectively fix the position of the bearing, but the structure needs to operate and rotate the plurality of screws respectively, so that the clamping blocks are converged to the center respectively, and because errors exist in manual adjustment, the bearing can not be ensured to be clamped and fixed at the center of the workbench just after the plurality of screws rotate, the screw is required to be adjusted and screwed for many times, the production efficiency is low, the clamping force of each clamping block on the bearing is uniform after adjustment, and the influence on the processing quality of the bearing can be caused.

Disclosure of utility model

The utility model aims to provide a mechanical processing positioning device which pushes a bearing to a central position through the elasticity of an elastic telescopic rod, and finally fixes the position of a clamping block through a limiting device, so that the rapid assembly and positioning of the bearing are realized, the production efficiency is improved, and the clamping force of each clamping block pushing the bearing is kept consistent due to the characteristic of elasticity, so that the clamping force is uniform, and the processing quality of the bearing is ensured.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

The utility model provides a machining positioner, includes the brace table, brace table intermediate position is equipped with places the district, circular array has a plurality of positioning fixture on the brace table, and is a plurality of positioning fixture all includes the mounting panel, one side that the mounting panel is close to the brace table center pin is equipped with the elastic expansion link, one end that the mounting panel was kept away from to the elastic expansion link is equipped with the clamp splice, one side of elastic expansion link movable part is equipped with can with brace table contact complex stop device.

Further, the elastic telescopic rod comprises a sleeve and a sleeve which are movably inserted, one end of the sleeve, which is positioned in the sleeve, is provided with a sliding block, a spring is arranged between one side, which is far away from the sleeve, of the sliding block and the inner wall of the sleeve, and the limiting device is arranged outside the sleeve.

Further, stop device is including setting up the connecting plate in the flexible pole movable part outside, threaded connection has the screw rod on the connecting plate, the screw rod bottom is equipped with the stopper that can contact with the brace table.

Further, a plurality of first anti-slip protrusions are arranged on the supporting table, a plurality of second anti-slip protrusions are arranged at the bottom of the limiting block, and the second anti-slip protrusions are inserted into gaps between two adjacent first anti-slip protrusions.

Further, the limiting block is rotationally connected with the screw rod.

Further, one side of the clamping block, which is far away from the elastic telescopic rod, is an arc-shaped surface.

Further, one of the positioning fixtures is provided with a pull rod, one end of the pull rod penetrates through the mounting plate and the sleeve respectively and then is connected with the sliding block, and one end, far away from the sliding block, of the pull rod is provided with a pull plate.

Compared with the prior art, the utility model has the beneficial effects that:

This patent sets up a plurality of positioning fixtures, every positioning fixture all includes the elastic telescopic link, and a plurality of elastic telescopic links all face a central point, the department of placing of bearing promptly, utilize the elasticity of elastic telescopic link to block into between a plurality of clamp splice fast with the bearing, and rely on the elasticity to promote fixedly, afterwards, the position of fixed clamp splice of stop device, thereby accomplish the location centre gripping of bearing, avoid the bearing to shift in the course of working, this device clamping is fast, effectively save assembly time, and improve production efficiency, and make a plurality of elastic telescopic links promote the bearing automatically and fix the central point at a plurality of clamp splice enclosure rings under elastic effect, can guarantee that every clamp splice promotes the centre gripping thrust of bearing keeps unanimous, make the clamping dynamics even, avoid the dynamics uneven bearing deformation that leads to, perhaps make the bearing drop and cause the bump with in the processing application of force in-process, ensure the quality of bearing processing, be favorable to using widely.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic top view of the present utility model.

Fig. 3 is a schematic diagram of the front view structure of the present utility model.

Fig. 4 is a cross-sectional view of the positioning fixture of the present utility model.

Fig. 5 is an enlarged view of the structure of the portion a in fig. 3 according to the present utility model.

The reference numbers shown in the drawings:

1. A support table; 2. a placement area; 3. a mounting plate; 4. an elastic telescopic rod; 5. clamping blocks; 6. a sleeve; 7. a sleeve; 8. a slide block; 9. a spring; 10. a connecting plate; 11. a screw; 12. a limiting block; 13. a first cleat boss; 14. a second anti-slip protrusion; 15. a pull rod; 16. pulling the plate.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.

The utility model discloses a mechanical processing positioning device, which comprises a supporting table 1, wherein a placement area 2 is arranged in the middle of the supporting table 1 and is used for placing a bearing to be processed, a plurality of positioning clamps are arranged on a circular array on the supporting table 1, the number is preferably 3, self-centering can be realized, 3 positioning clamps comprise a mounting plate 3, an elastic telescopic rod 4 is arranged on one side of the mounting plate 3, which is close to the central shaft of the supporting table 1, the elastic telescopic rod 4 can realize expansion and contraction, also can automatically recover the length by means of elasticity, can realize clamping and fixing by applying thrust to the bearing by means of elasticity, can enable the bearing to be quickly assembled between 3 clamping blocks 5, can realize fixation by means of elasticity, can also enable the pushing clamping force of each clamping block 5 to be consistent, can ensure the uniformity of the positioning clamping force of the bearing, one end of the elastic telescopic rod 4, which is far away from the mounting plate 3 clamping blocks 5 are used for clamping and fixing the bearing, one side of a movable part of the elastic telescopic rod 4 is provided with a limiting device which can be matched with the supporting table 1 in a contact mode, and the positioning and fixing of the bearing can be ensured by means of the limiting device through the elastic clamping blocks 4.

Preferably, the elastic telescopic rod 4 comprises a sleeve 6 and a sleeve 7 which are movably inserted, the sleeve 6 is fixedly connected with the mounting plate 3, one end of the sleeve 7, which is positioned in the sleeve 6, is provided with a sliding block 8, a spring 9 is arranged between one side, which is far away from the sleeve 7, of the sliding block 8 and the inner wall of the sleeve 6, the limiting device is arranged on the outer side of the sleeve 7, the elastic telescopic function is realized, certain thrust force can be applied to the bearing by using the elastic force of the spring 9, the positioning stability is ensured, the spring 9 has certain elastic deformation, after the bearing is installed between 3 clamping blocks 5, the position of the bearing can be automatically adjusted by the elastic deformation of the 3 springs 9, so that the bearing is positioned at the center point of the whole device, the thrust force of each clamping block 5 to the bearing is ensured to be the same, and the clamping force is ensured to be uniform when the quick clamping is realized.

Preferably, the stop device includes the connecting plate 10 that sets up in the flexible portion outside of flexible telescopic link 4, threaded connection has screw rod 11 on the connecting plate 10, the screw rod 11 bottom is equipped with the stopper 12 that can contact with brace table 1, when the bearing card goes into between 3 clamp splice 5 and 3 flexible telescopic link 4's length no longer change, the screw rod 11 of rotation makes stopper 12 and brace table 1 in close contact, avoid flexible telescopic link 4's movable part activity, can fix 3 flexible telescopic link 4's length, just also fixed 3 clamp splice 5's position, can ensure the firm of bearing centre gripping is fixed, prevent that the bearing from moving in the course of working.

Preferably, a plurality of first anti-slip protrusions 13 are arranged on the supporting table 1, a plurality of second anti-slip protrusions 14 are arranged at the bottom of the limiting block 12, the second anti-slip protrusions 14 are inserted into gaps between two adjacent first anti-slip protrusions 13, friction force between the limiting block 12 and the supporting table 1 is further improved, the length of the elastic telescopic rod 4 is prevented from changing, the fixing firmness of the clamping of the bearing is ensured, and therefore the bearing is further prevented from being displaced in the processing process.

Preferably, the limiting block 12 is rotationally connected with the screw 11, the limiting block 12 does not rotate along with the screw 11, and the limiting block 12 can be kept still all the time and only moves up and down, so that the second anti-slip protrusions 14 at the bottom of the limiting block 12 can be more accurately inserted into gaps between two adjacent first anti-slip protrusions 13 as much as possible, and the limiting and fixing effects of the limiting device are improved.

Preferably, one side of the clamping block 5 far away from the elastic telescopic rod 4 is an arc-shaped surface, and can be attached to the outer circumferential surface of the bearing, so that the clamping and fixing firmness of the bearing is improved while the bearing is prevented from being damaged by clamping.

Preferably, one of the positioning fixtures is provided with a pull rod 15 on the mounting plate 3, one end of the pull rod 15 penetrates through the mounting plate 3 and the sleeve 6 respectively and then is connected with the sliding block 8, one end of the pull rod 15 far away from the sliding block 8 is provided with a pull plate 16, and the pull rod 15 is pulled to enable the corresponding clamping block 5 to move, so that a space is reserved for putting in and taking out the bearing, the bearing can be rapidly assembled and disassembled, the use is convenient, and the processing efficiency is further improved.

When the bearing is processed, the pull rod 15 is pulled to enable one clamping block 5 to be separated from other clamping blocks 5, the bearing is placed in the placement area 2 and is contacted with the remaining two clamping blocks 5, then the pull rod 15 is loosened, the current clamping block 5 pushes the bearing under the action of the springs 9, the springs 9 corresponding to the remaining two clamping blocks 5 are contracted until reaching a balanced state, at the moment, the thrust of the 3 springs 9 on the bearing is consistent, then the 3 screws 11 are respectively rotated, the second anti-slip protrusions 14 are inserted into gaps between the adjacent two first anti-slip protrusions 13, the length of the elastic telescopic rod 4 is fixed, the positions of the clamping blocks 5 are fixed, the clamping and positioning of the bearing are completed, and the bearing can be processed; after the processing is finished, the limiting block 12 is loosened, and the pull rod 15 is pulled again, so that the bearing can be taken down.

This patent can realize the quick clamping location and the dismantlement of bearing, and clamping is fast, effectively saves assembly time, improves production machining efficiency, and the thrust of every clamp splice 5 is the same, makes the clamping dynamics even, avoids the dynamics uneven to lead to the bearing to warp, perhaps makes the bearing drop and causes the bump with in the processing application of force in-process, ensures the quality of bearing processing, is favorable to using widely.

Claims

1. A machining positioning device, characterized in that: including brace table (1), brace table (1) intermediate position is equipped with places district (2), circular array has a plurality of positioning fixture on brace table (1), and is a plurality of positioning fixture all includes mounting panel (3), one side that mounting panel (3) are close to brace table (1) center pin is equipped with elastic expansion link (4), one end that mounting panel (3) were kept away from to elastic expansion link (4) is equipped with clamp splice (5), one side of elastic expansion link (4) movable part is equipped with can with brace table (1) contact complex stop device.

2. A machining positioning device according to claim 1, wherein: the elastic telescopic rod (4) comprises a sleeve (6) and a sleeve (7) which are movably inserted, one end of the sleeve (7) located in the sleeve (6) is provided with a sliding block (8), one side, away from the sleeve (7), of the sliding block (8) is provided with a spring (9) between the one side and the inner wall of the sleeve (6), and the limiting device is arranged outside the sleeve (7).

3. A machining positioning device according to claim 1, wherein: the limiting device comprises a connecting plate (10) arranged on the outer side of the movable part of the elastic telescopic rod (4), a screw (11) is connected to the connecting plate (10) in a threaded mode, and a limiting block (12) capable of being in contact with the supporting table (1) is arranged at the bottom end of the screw (11).

4. A machining positioning device according to claim 3, wherein: the support table (1) is provided with a plurality of first anti-slip protrusions (13), the bottom of the limiting block (12) is provided with a plurality of second anti-slip protrusions (14), and the second anti-slip protrusions (14) are inserted into gaps between two adjacent first anti-slip protrusions (13).

5. A machine tooling positioning device according to claim 4, wherein: the limiting block (12) is rotationally connected with the screw rod (11).

6. A machining positioning device according to claim 1, wherein: one side of the clamping block (5) far away from the elastic telescopic rod (4) is an arc-shaped surface.

7. A machining positioning device according to claim 2, wherein: one of the positioning fixtures is provided with a pull rod (15) on the mounting plate (3), one end of the pull rod (15) respectively penetrates through the mounting plate (3) and the sleeve (6) and then is connected with the sliding block (8), and one end of the pull rod (15) far away from the sliding block (8) is provided with a pull plate (16).