CN214080995U

CN214080995U - Flat key positioning structure

Info

Publication number: CN214080995U
Application number: CN202022059428.7U
Authority: CN
Inventors: 顾建军; 顾秋林
Original assignee: Taicang Shunda Magnetic Pump Technology Co ltd
Current assignee: Taicang Shunda Magnetic Pump Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-08-31
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to a flat key location technical field relates to a flat key location structure. The utility model discloses simple structure, high durability and convenient use, the flat key of effective protection does not receive wearing and tearing, and it is fixed firm, it is quick convenient to change, wear to establish on the registration arm with the center mouth of flat key, drive assembly drives a plurality of locating component simultaneously and is relative linear motion, the flat key machined part on the registration arm presss from both sides tightly, the location, realize the quick location of flat key, the flat key that is applicable to multiple model, the steadiness is stronger, reduce manpower resources simultaneously, drive assembly drives the locating component motion simultaneously, can make the product location accurate, realize the precision positioning, reduce the error that the location exists.

Description

Flat key positioning structure

Technical Field

The utility model relates to a flat key location technical field relates to a flat key location structure.

Background

When flat key accessories of a magnetic pump with larger power are produced, various flat keys need to be fixed, and due to the fact that a special flat key positioning device is not arranged, workers often perform simple positioning on the flat keys through parts such as bolts and the like, the bolts are complex to disassemble and assemble, the fixing is not firm, the precision is poor, the labor intensity is high, and meanwhile, the surfaces of flat key workpieces are easily damaged when the flat key workpieces are positioned, and the product quality of the flat key workpieces is affected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a realize quick location of flat key, be applicable to the flat key of multiple model, reduce the flat key location structure of the error that the location exists.

In order to solve the technical problem, the utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a parallel key location structure, includes the base, be provided with the location station that is used for placing the work piece on the base, the locating hole has been seted up at location station center, be provided with the registration arm on the locating hole, be provided with a plurality of locating component on the base, a plurality of locating component set up on same circumference, locating component and drive assembly drive are connected, drive assembly drives a plurality of locating component simultaneously and is relative linear motion.

Furthermore, two positioning assemblies are arranged on the base and symmetrically arranged on two sides of the positioning station.

Further, the positioning assembly comprises a positioning rod, a sliding groove is formed in the base, a sliding block is arranged on the sliding groove, the positioning rod is arranged on the sliding block in a penetrating mode, a positioning clamping jaw is arranged at one end of the positioning rod, the other end of the positioning rod is connected with the driving assembly, and the driving assembly drives the positioning rod to move linearly along the sliding groove.

Further, the positioning clamping jaw comprises an arc-shaped block, a clamping groove is formed in the arc-shaped block, and the clamping groove is abutted to the workpiece.

Further, the clamping groove is any one of arc, triangle, trapezoid or step.

Furthermore, the driving assembly comprises a power component and a guide wheel, an output shaft of the power component is in driving connection with the guide wheel, the guide wheel is arranged on the bottom surface of the base in a rotating mode, the power component drives the guide wheel to rotate, the guide wheel is provided with a plurality of arc-shaped guide grooves, and the positioning rod penetrates through the arc-shaped guide grooves.

Furthermore, one end of each arc-shaped guide groove is close to the center of the guide wheel, the other end of each arc-shaped guide groove is close to the edge of the guide wheel, the cutting angles of all the arc-shaped guide grooves and the guide wheel body are equal, the inner wall of each arc-shaped guide groove is a smooth surface, and all the arc-shaped guide grooves are uniformly distributed around the center of the guide wheel body.

Furthermore, the positioning tube is provided with a tensioning assembly, the tensioning assembly comprises a push rod and two tensioning blocks, the two tensioning blocks are arranged on the positioning tube and are connected with each other through a spring, the push rod penetrates through the positioning tube, a driving part is arranged on the positioning tube and is in driving connection with the push rod, and the driving part drives the push rod to move up and down to complete the stretching action of the tensioning blocks on the positioning tube.

Furthermore, the driving part comprises a nut and a sleeve, the sleeve is sleeved on the ejector rod, a thread surface is arranged on the outer wall of the sleeve, the sleeve is arranged on the nut in a penetrating mode, the nut is connected with the guide wheel, and the nut is driven by the guide wheel to rotate synchronously to drive the ejector rod to move up and down on the positioning tube.

Further, the power component comprises a motor, a first bevel gear and a second bevel gear, the first bevel gear is arranged on an output shaft of the motor, the second bevel gear is arranged on the guide wheel, and the first bevel gear is meshed with the second bevel gear.

The utility model has the advantages that:

the utility model discloses simple structure, high durability and convenient use, the flat key of effective protection does not receive wearing and tearing, and it is fixed firm, it is quick convenient to change, wear to establish on the registration arm with the center mouth of flat key, drive assembly drives a plurality of locating component simultaneously and is relative linear motion, the flat key machined part on the registration arm presss from both sides tightly, the location, realize the quick location of flat key, the flat key that is applicable to multiple model, the steadiness is stronger, reduce manpower resources simultaneously, drive assembly drives the locating component motion simultaneously, can make the product location accurate, realize the precision positioning, reduce the error that the location exists.

Drawings

Fig. 1 is a schematic view of a flat key positioning structure of the present invention.

Fig. 2 is a schematic view of the guide wheel of the present invention.

The reference numbers in the figures illustrate: 1. a base; 2. a workpiece; 3. positioning a rod; 31. an arc-shaped block; 32. a guide wheel; 33. an arc-shaped guide groove; 34. a motor; 35. a first helical gear; 36. a second helical gear; 4. a positioning tube; 41. expanding blocks; 42. a spring; 43. a top rod; 44. a sleeve; 45. a nut;

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1, the flat key positioning structure comprises a base 1, wherein a positioning station for placing a workpiece 2 is arranged on the base 1, a positioning hole is formed in the center of the positioning station, a positioning pipe 4 is arranged on the positioning hole, a plurality of positioning assemblies are arranged on the base 1, the plurality of positioning assemblies are arranged on the same circumference and are in driving connection with a driving assembly, and the driving assembly drives the plurality of positioning assemblies to do relative linear motion.

The utility model discloses simple structure, high durability and convenient use, the flat key of effective protection does not receive wearing and tearing, and it is fixed firm, it is quick convenient to change, wear to establish on registration arm 4 with the central opening of flat key, drive assembly drives a plurality of locating component simultaneously and is relative linear motion, flat key machined part 2 on the registration arm 4 presss from both sides tightly, fix a position, realize the quick location of flat key, the flat key that is applicable to multiple model, the steadiness is stronger, reduce manpower resources simultaneously, drive assembly drives the locating component motion simultaneously, can make the product location accurate, realize the precision positioning, reduce the error that the location exists.

Two positioning assemblies are arranged on the base 1 and symmetrically arranged on two sides of the positioning station.

The positioning assembly comprises a positioning rod 3, a sliding groove is formed in the base 1, a sliding block is arranged on the sliding groove, the positioning rod 3 is arranged on the sliding block in a penetrating mode, a positioning clamping jaw is arranged at one end of the positioning rod 3, the other end of the positioning rod is connected with the driving assembly, and the driving assembly drives the positioning rod 3 to move linearly along the sliding groove.

The positioning clamping jaw comprises an arc-shaped block 31, a clamping groove is arranged on the arc-shaped block 31, and the clamping groove is abutted to the workpiece 2.

The clamping groove is any one of arc, triangle, trapezoid or step.

The driving assembly comprises a power component and a guide wheel 32, an output shaft of the power component is in driving connection with the guide wheel 32, the guide wheel 32 is rotatably arranged on the bottom surface of the base 1, the power component drives the guide wheel 32 to rotate, a plurality of arc-shaped guide grooves 33 are formed in the guide wheel 32, and the positioning rod 3 penetrates through the arc-shaped guide grooves 33.

One end of each arc-shaped guide groove 33 is close to the center of the guide wheel 32, the other end of each arc-shaped guide groove 33 is close to the edge of the guide wheel 32, the cutting angles of all the arc-shaped guide grooves 33 and the body of the guide wheel 32 are equal, the inner wall of each arc-shaped guide groove 33 is a smooth surface, and all the arc-shaped guide grooves 33 are uniformly distributed around the center of the body of the guide wheel 32.

Arc guide slot 33 drives locating lever 3 and removes the rotary motion that becomes guide pulley 32 into the linear motion of locating lever 3 to this drives locating component and draws close to the centre simultaneously, realizes the precision positioning of product, and power part drives the guide pulley 32 rotation simultaneously, and the location is quick, has greatly reduced positioning mechanism volume, and occupation space is few.

The positioning tube 4 is provided with a tensioning assembly, the tensioning assembly comprises a push rod 43 and two expansion blocks 41, the two expansion blocks 41 are arranged on the positioning tube 4, the two expansion blocks 41 are connected through a spring 42, the push rod 43 penetrates through the positioning tube 4, a driving part is arranged on the driving part, the driving part is in driving connection with the push rod 43, and the driving part drives the push rod 43 to move up and down to complete the stretching action of the expansion blocks 41 on the positioning tube 4.

The driving part comprises a nut 45 and a sleeve 44, the sleeve 44 is sleeved on the ejector rod 43, a thread surface is arranged on the outer wall of the sleeve 44, the sleeve 44 penetrates through the nut 45, the nut 45 is connected with the guide wheel 32, and the guide wheel 32 drives the nut 45 to synchronously rotate to drive the ejector rod 43 to move up and down on the positioning tube 4.

The power part comprises a motor 34, a first bevel gear 35 and a second bevel gear 36, the first bevel gear 35 is arranged on an output shaft of the motor 34, the second bevel gear 36 is arranged on the guide wheel 32, and the first bevel gear 35 is meshed with the second bevel gear 36.

The guide wheel 32 drives the nut 45 to synchronously rotate, the nut 45 drives the ejector rod 43 connected with the sleeve 44 to move up and down on the positioning tube 4, the ejector rod 43 ejects the expansion block 41 out of the positioning tube 4, and the flat key hole sleeved on the positioning tube 4 is tensioned, so that the stability during positioning processing is further improved.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A flat key positioning structure is characterized by comprising a base, wherein a positioning station for placing a workpiece is arranged on the base, a positioning hole is formed in the center of the positioning station, a positioning pipe is arranged on the positioning hole, a plurality of positioning assemblies are arranged on the base and arranged on the same circumference, the positioning assemblies are in driving connection with a driving assembly, and the driving assembly drives the positioning assemblies to do relative linear motion;

the positioning pipe is provided with a tensioning assembly, the tensioning assembly comprises a top rod and two tensioning blocks, the two tensioning blocks are arranged on the positioning pipe and connected through a spring, the top rod penetrates through the positioning pipe, a driving part is arranged on the positioning pipe and is in driving connection with the top rod, and the driving part drives the top rod to move up and down to complete the stretching action of the tensioning blocks on the positioning pipe.

2. The flat key positioning structure of claim 1, wherein two positioning assemblies are arranged on the base, and the two positioning assemblies are symmetrically arranged on two sides of the positioning station.

3. The flat key positioning structure according to claim 1, wherein the positioning assembly comprises a positioning rod, the base has a sliding slot, the sliding slot has a sliding block, the positioning rod is disposed on the sliding block, one end of the positioning rod is provided with a positioning clamping jaw, the other end of the positioning rod is connected to the driving assembly, and the driving assembly drives the positioning rod to move linearly along the sliding slot.

4. The flat key positioning structure according to claim 3, wherein the positioning clamping jaw comprises an arc-shaped block, a clamping groove is arranged on the arc-shaped block, and the clamping groove is abutted against the workpiece.

5. The flat key positioning structure of claim 4, wherein the slot is any one of an arc, a triangle, a trapezoid or a step.

6. The flat key positioning structure of claim 3, wherein the driving assembly comprises a power component and a guide wheel, an output shaft of the power component is in driving connection with the guide wheel, the guide wheel is arranged on the bottom surface of the base, the power component drives the guide wheel to rotate, a plurality of arc-shaped guide grooves are arranged on the guide wheel, and the positioning rods are arranged on the arc-shaped guide grooves in a penetrating manner.

7. The flat key positioning structure according to claim 6, wherein one end of each of the arc-shaped guide grooves is close to the center of the guide wheel, the other end is close to the edge of the guide wheel, all the arc-shaped guide grooves have the same cutting angle with the guide wheel body, the inner wall of each of the arc-shaped guide grooves is a smooth surface, and all the arc-shaped guide grooves are uniformly distributed around the center of the guide wheel body.

8. The flat key positioning structure of claim 6, wherein the driving part comprises a nut and a sleeve, the sleeve is sleeved on the ejector rod, the outer wall of the sleeve is provided with a thread surface, the sleeve is arranged on the nut in a penetrating manner, the nut is connected with the guide wheel, and the nut is driven by the guide wheel to rotate synchronously to drive the ejector rod to move up and down on the positioning tube.

9. The flat key positioning structure according to claim 6, wherein the power member includes a motor, a first helical gear provided on an output shaft of the motor, and a second helical gear provided on the guide pulley, the first helical gear being engaged with the second helical gear.