CN220783050U

CN220783050U - Positioning device for processing transmission belt pulley

Info

Publication number: CN220783050U
Application number: CN202322484139.5U
Authority: CN
Inventors: 梁仕林; 梁鋆坚
Original assignee: Zhaoqing Duocheng Transmission Machinery Co ltd
Current assignee: Zhaoqing Duocheng Transmission Machinery Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-16
Anticipated expiration: 2033-09-13

Abstract

The utility model relates to the technical field of processing of transmission pulleys, and discloses a positioning device for processing of transmission pulleys, which solves the problem that the transmission pulleys are difficult to rotationally process at present, and comprises a U-shaped table, wherein a rotating mechanism is arranged on the U-shaped table, the rotating mechanism is provided with a positioning mechanism, the rotating mechanism comprises an inner plate fixed in the U-shaped table, the top of the inner plate is rotationally connected with a support column, the top end of the support column penetrates through the U-shaped table and is fixedly provided with a placing disc, and the support column is rotationally connected with the U-shaped table; according to the utility model, the support column can drive the placing disc to rotate through the coordination between the motor and the transmission shaft and between the bevel gear I and the bevel gear II, the placing disc can stably rotate through the support of the ball, and the placing disc can be fixed after rotating through the coordination between the air cylinder and the guide plate and between the inserted rod and the jack, so that the transmission belt pulley can be conveniently rotated and processed.

Description

Positioning device for processing transmission belt pulley

Technical Field

The utility model belongs to the technical field of processing of transmission pulleys, and particularly relates to a positioning device for processing a transmission pulley.

Background

The belt pulley belongs to a hub part, the relative size is generally larger, the casting and forging are generally adopted as main materials in the manufacturing process, the casting method is generally adopted as the design with larger size, the cast iron is generally adopted as the material, the cast steel is rarely adopted, the transmission belt pulley is mostly used in an automobile engine, and the transmission belt pulley needs to be positioned when being processed; according to the authorized bulletin number: CN213970797U, entitled "a positioning device for a pulley", which uses two sets of positioning plates disposed opposite to each other to compress and fix a workpiece in the transverse and longitudinal directions, so that the pulley can be rapidly positioned at the center of a processing table, positioning is accurate, and efficiency is high; the following drawbacks still remain:

Although the clamping and positioning can be carried out on the driving pulleys with different sizes, the positions of the driving pulleys after positioning are kept unchanged, so that the driving pulleys are difficult to carry out rotary machining.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the positioning device for processing the transmission belt pulley, which effectively solves the problem that the transmission belt pulley is difficult to rotate at present.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the positioning device for processing the transmission belt pulley comprises a U-shaped table, wherein a rotating mechanism is arranged on the U-shaped table, and a positioning mechanism is arranged on the rotating mechanism;

The rotating mechanism comprises an inner plate fixed inside the U-shaped table, the top of the inner plate is rotationally connected with a supporting column, the top end of the supporting column penetrates through the U-shaped table and is fixedly provided with a placing disc, the supporting column is rotationally connected with the U-shaped table, the outer side of the supporting column is fixedly provided with a bevel gear II positioned inside the U-shaped table, the inner side wall of the U-shaped table is fixedly provided with a motor, a transmission shaft is fixedly arranged on the motor, one end of the transmission shaft, far away from the motor, is fixedly provided with a bevel gear I, and the bevel gear I is meshed and connected with the bevel gear II.

Preferably, a limiting ring is fixedly arranged at the top of the U-shaped table, balls are arranged in the limiting ring at equal angles, and the bottom of the placing disc is positioned on the balls.

Preferably, the top of inner panel is equipped with the spout, and the inside fixed mounting of spout has interior pole, and the outside movable mounting of interior pole has the deflector, and fixed mounting has the cylinder between the inner wall of one side that the deflector was kept away from the support column and U type platform, and one side fixed mounting that the deflector was kept away from the cylinder has the inserted bar, and the outside fixed mounting of support column has the solid fixed ring that is located U type platform inside, and gu fixed ring's outside equi angle is equipped with the jack, and the one end that the deflector was kept away from to the inserted bar inserts in corresponding jack.

Preferably, the positioning mechanism comprises a positioning cylinder fixed at the top of the placing plate, a fixed block is fixedly arranged in the positioning cylinder, a cross rod is fixedly arranged at the outer side of the fixed block at equal angles, a sleeve plate is movably sleeved at the outer side of the cross rod, one side of the sleeve plate, far away from the fixed block, extends to the outer side of the positioning cylinder and is fixedly provided with a clamping plate, and the sleeve plate is movably connected with the positioning cylinder.

Preferably, the top of fixed block rotates and is connected with the screw rod, and the top fixed mounting of screw rod has the rotary disk that is located the inside of a locating cylinder, and the outside screw thread of screw rod has cup jointed the swivel nut, and the outside equiangular rotation of swivel nut is connected with the actuating lever, and the actuating lever is kept away from the one end rotation of swivel nut and is connected in the top of sleeve plate.

Preferably, two limiting rods are symmetrically and fixedly arranged in the positioning cylinder, two limiting blocks are symmetrically and fixedly arranged on the outer side of the threaded sleeve, and the two limiting blocks are movably sleeved on the outer sides of the two limiting rods respectively.

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

(1) According to the utility model, the support column can drive the placing disc to rotate through the matching between the motor and the transmission shaft and between the bevel gear I and the bevel gear II, the placing disc can rotate stably through the support of the ball, and the placing disc can be fixed after rotating through the matching between the air cylinder and the guide plate and between the inserted rod and the jack, so that the transmission belt pulley can be conveniently rotated;

(2) This novel cooperation between screw rod and swivel nut and stopper and the gag lever post can make the swivel nut downwardly moving to through the cooperation between actuating lever and bushing and the horizontal pole, can make each splint remove and closely laminate with drive pulley's central pore wall, thereby be convenient for carry out the centre gripping location to drive pulley.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a positioning device for processing a transmission pulley according to the present utility model;

FIG. 2 is a schematic view of a rotary mechanism according to the present utility model;

FIG. 3 is a schematic view of a retaining ring according to the present utility model;

FIG. 4 is a schematic view of a positioning mechanism according to the present utility model;

FIG. 5 is a schematic view of a sheathing plate according to the present utility model;

In the figure: 1. a U-shaped table; 2. a rotation mechanism; 201. an inner plate; 202. bevel gears I; 203. bevel gears II; 204. a support column; 205. a chute; 206. a ball; 207. placing a tray; 208. a fixing ring; 209. a limiting ring; 2010. a transmission shaft; 2011. a motor; 2012. an inner rod; 2013. a guide plate; 2014. a jack; 2015. a rod; 2016. a cylinder; 3. a positioning mechanism; 301. a positioning cylinder; 302. a rotating disc; 303. a sleeve plate; 304. a clamping plate; 305. a cross bar; 306. a driving rod; 307. a screw sleeve; 308. a screw; 309. a limit rod; 3010. a limiting block; 3011. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In a first embodiment, as shown in fig. 1, the utility model comprises a U-shaped table 1, a rotating mechanism 2 is arranged on the U-shaped table 1, and a positioning mechanism 3 is arranged on the rotating mechanism 2.

Specifically, as shown in fig. 2-3, the rotating mechanism 2 includes an inner plate 201 fixed inside the U-shaped table 1, the top of the inner plate 201 is rotationally connected with a support column 204, the top of the support column 204 penetrates through the U-shaped table 1 and is fixedly provided with a placing disc 207, the support column 204 is rotationally connected with the U-shaped table 1, the outer side of the support column 204 is fixedly provided with a bevel gear two 203 positioned inside the U-shaped table 1, the inner side wall of the U-shaped table 1 is fixedly provided with a motor 2011, a transmission shaft 2010 is fixedly arranged on the motor 2011, one end of the transmission shaft 2010 far from the motor 2011 is fixedly provided with a bevel gear one 202, the bevel gear one 202 is meshed with the bevel gear two 203, the top of the U-shaped table 1 is fixedly provided with a limiting ring 209, balls 206 are arranged in the limiting ring 209 at equal angles, the bottom of the placing disc 207 is positioned on the balls 206, the top of the inner plate 201 is provided with a sliding groove 205, the inner side of the sliding groove 205 is fixedly provided with an inner rod 2012, the outer side of the inner rod 2012 is movably provided with a guide plate 2013, a cylinder is fixedly arranged between one side of the support column 2013 far from the support column 1 and the inner wall of the U-shaped table 1, one side of the guide plate 2013 far from the cylinder, one side of the guide plate 2012016 is fixedly provided with a corresponding inserting ring 201208, and one end 2014 of the corresponding inserting 2014 is fixedly arranged at the inner side 2014 far from the inner side 2014 of the fixed inserting ring 2014;

In the use state, firstly, the motor 2011 is started to drive the transmission shaft 2010 to rotate, and as the bevel gear I202 is meshed with the bevel gear II 203, the support column 204 is driven to rotate, meanwhile, the balls 206 support and limit the placing plate 207, the placing plate 207 is convenient to stably rotate, then the air cylinder 2016 is started to drive the guide plate 2013 to move along the inner rod 2012 until one end of the inserting rod 2015 is inserted into the corresponding inserting hole 2014, the support column 204 is fixed, the placing plate 207 is rotated and then fixed, and finally the rotation processing of the transmission belt pulley is completed.

Specifically, as shown in fig. 4-5, the positioning mechanism 3 comprises a positioning cylinder 301 fixed on the top of the placing plate 207, a fixed block 3011 is fixedly installed inside the positioning cylinder 301, a cross rod 305 is fixedly installed at the outer side of the fixed block 3011 at equal angles, a sleeve plate 303 is movably sleeved outside the cross rod 305, one side of the sleeve plate 303 away from the fixed block 3011 extends to the outer side of the positioning cylinder 301 and is fixedly provided with a clamping plate 304, the sleeve plate 303 is movably connected with the positioning cylinder 301, the top of the fixed block 3011 is rotationally connected with a screw 308, the top of the screw 308 is fixedly provided with a rotating disc 302 positioned inside the positioning cylinder 301, a screw sleeve 307 is sleeved outside the screw 308 at equal angles, a driving rod 306 is rotationally connected to the top of the sleeve plate 303 at equal angles, one end of the driving rod 306 away from the screw sleeve 307 is rotationally connected to the top of the sleeve plate 303, two limiting rods 309 are symmetrically and fixedly installed inside the positioning cylinder 301, two limiting blocks 3010 are symmetrically and movably sleeved outside the two limiting rods 309;

In the use state, the driving belt pulley is firstly placed at the top of the placing plate 207, meanwhile, the driving belt pulley is sleeved on the outer side of the positioning cylinder 301, all clamping plates 304 are located in the center hole of the driving belt pulley, then the rotating disc 302 is rotated to drive the screw 308 to rotate, the screw sleeve 307 is driven to move downwards through the limiting effect of the limiting block 3010 and the limiting rod 309, all the driving rods 306 are used for respectively driving all the sleeve plates 303 to move until all the clamping plates 304 are tightly attached to the center hole wall of the driving belt pulley, and finally the clamping and positioning of the driving belt pulley are completed.

Claims

1. The utility model provides a positioner is used in drive pulley processing, includes U type platform (1), its characterized in that: a rotating mechanism (2) is arranged on the U-shaped table (1), and a positioning mechanism (3) is arranged on the rotating mechanism (2);

The rotating mechanism (2) comprises an inner plate (201) fixed inside the U-shaped table (1), a supporting column (204) is rotationally connected to the top of the inner plate (201), a placing disc (207) is fixedly installed on the top of the supporting column (204) penetrating through the U-shaped table (1), the supporting column (204) is rotationally connected with the U-shaped table (1), a bevel gear II (203) located inside the U-shaped table (1) is fixedly installed on the outer side of the supporting column (204), a motor (2011) is fixedly installed on the inner side wall of the U-shaped table (1), a transmission shaft (2010) is fixedly installed on the motor (2011), a bevel gear I (202) is fixedly installed on one end, far away from the motor (2011), of the transmission shaft (2010), and the bevel gear I (202) is in meshed connection with the bevel gear II (203).

2. The positioning device for processing a transmission pulley according to claim 1, wherein: the top of the U-shaped table (1) is fixedly provided with a limiting ring (209), balls (206) are arranged in the limiting ring (209) at equal angles, and the bottom of the placing plate (207) is positioned on the balls (206).

3. The positioning device for processing a transmission pulley according to claim 1, wherein: the top of inner panel (201) is equipped with spout (205), the inside fixed mounting of spout (205) has interior pole (2012), outside movable mounting of interior pole (2012) has deflector (2013), fixed mounting has cylinder (2016) between the inner wall of one side that deflector (2013) kept away from support column (204) and U type platform (1), one side fixed mounting that deflector (2013) kept away from cylinder (2016) has inserted bar (2015), the outside fixed mounting of support column (204) has fixed ring (208) that are located inside U type platform (1), the outside equiangle of fixed ring (208) is equipped with jack (2014), in corresponding jack (2014) are inserted to the one end that deflector (2013) was kept away from to inserted bar (2015).

4. The positioning device for processing a transmission pulley according to claim 1, wherein: the positioning mechanism (3) comprises a positioning cylinder (301) fixed at the top of the placing plate (207), a fixed block (3011) is fixedly arranged in the positioning cylinder (301), a cross rod (305) is fixedly arranged at the outer side of the fixed block (3011) at equal angles, a sleeve plate (303) is movably sleeved at the outer side of the cross rod (305), one side, far away from the fixed block (3011), of the sleeve plate (303) extends to the outer side of the positioning cylinder (301) and is fixedly provided with a clamping plate (304), and the sleeve plate (303) is movably connected with the positioning cylinder (301).

5. The positioning device for processing a transmission pulley as claimed in claim 4, wherein: the top of fixed block (3011) rotates and is connected with screw rod (308), and the top fixed mounting of screw rod (308) has rotary disk (302) that are located inside of positioning tube (301), and the outside screw thread of screw rod (308) has cup jointed swivel nut (307), and the outside equiangular rotation of swivel nut (307) is connected with actuating lever (306), and the one end that actuating lever (306) kept away from swivel nut (307) rotates and is connected in the top of sleeve board (303).

6. The positioning device for processing a transmission pulley according to claim 5, wherein: two limiting rods (309) are symmetrically and fixedly arranged in the positioning cylinder (301), two limiting blocks (3010) are symmetrically and fixedly arranged on the outer side of the screw sleeve (307), and the two limiting blocks (3010) are movably sleeved on the outer sides of the two limiting rods (309) respectively.