CN213235697U

CN213235697U - Fixing clamp for machining fan wheel

Info

Publication number: CN213235697U
Application number: CN202021495981.9U
Authority: CN
Inventors: 王学文; 徐华
Original assignee: Nanjing Youlixin Machinery Co ltd
Current assignee: Nanjing Youlixin Machinery Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-05-18
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a mounting fixture is used in fan wheel processing relates to fan wheel processing technology field, for solving the problem that current mounting fixture is not good to the fixed effect of the anomalous foam model of shape. The curb plate is all installed to the both sides of bottom plate upper end, and curb plate and the equal welded connection of bottom plate and roof, two install first solid fixed splint and second solid fixed splint between the curb plate, and first solid fixed splint is located the below of second solid fixed splint, a plurality of clamping bars are all installed to the upper end of first solid fixed splint and the lower extreme of second solid fixed splint, and clamping bar and the equal fixed connection of first solid fixed splint and second solid fixed splint, the both sides of first solid fixed splint and second solid fixed splint all are provided with the connecting block, the guide block is installed to the one end of connecting block, clamping bar includes first sleeve, second sleeve and loop bar, the first telescopic inside of second lower extreme embedding.

Description

Fixing clamp for machining fan wheel

Technical Field

The utility model relates to a fan wheel processing technology field specifically is a mounting fixture is used in fan wheel processing.

Background

At present, a fan wheel is processed by adopting lost foam casting, wherein the lost foam casting is a novel casting method for bonding and combining paraffin or foam models with similar sizes and shapes to form a model cluster, brushing refractory paint and drying the model cluster, burying the model cluster in dry quartz sand for vibration modeling, pouring under negative pressure to gasify the model, enabling liquid metal to occupy the position of the model, solidifying and cooling to form a casting.

However, the existing fixing clamp has poor fixing effect on the foam model with an irregular shape, so that the existing requirements are not met, and the fixing clamp for machining the fan wheel is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mounting fixture is used in fan wheel processing to solve the current mounting fixture who proposes among the above-mentioned background art and fix the not good problem of effect to the anomalous foam model of shape.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing clamp for machining a fan wheel comprises a bottom plate and a top plate, wherein side plates are arranged on two sides of the upper end of the bottom plate and are welded with the bottom plate and the top plate, a first fixing clamp plate and a second fixing clamp plate are arranged between the two side plates, the first fixing clamp plate is positioned below the second fixing clamp plate, a plurality of clamping rods are arranged at the upper end of the first fixing clamp plate and the lower end of the second fixing clamp plate and are fixedly connected with the first fixing clamp plate and the second fixing clamp plate, connecting blocks are arranged on two sides of the first fixing clamp plate and the second fixing clamp plate, a guide block is arranged at one end of each connecting block, each clamping rod comprises a first sleeve, a second sleeve and a sleeve rod, the lower end of the second sleeve is embedded into the first sleeve, a first spring is arranged between the first sleeve and the second sleeve, the lower end of each sleeve rod is embedded into the second sleeve, and a second spring is arranged between the second sleeve and the loop bar.

Preferably, step motor is installed to one side of roof upper end, the lead screw is installed to step motor's lower extreme, install the guide bar between bottom plate and the roof, and the guide bar and the equal fixed connection of bottom plate and roof, and guide bar and lead screw all run through the guide block, and guide block and guide bar sliding connection, and the roof passes through the screw connection with step motor, and the lead screw passes through the bearing with the bottom plate and is connected.

Preferably, the screw rod is provided with a first threaded part and a second threaded part on the outer part, and the thread directions of the first threaded part and the second threaded part are opposite.

Preferably, the upper end of loop bar is provided with elasticity antiskid cushion, and elasticity antiskid cushion and loop bar cementing are connected.

Preferably, the upper end of the side plate is provided with a sliding groove, and the sliding groove is in sliding connection with the connecting block.

Preferably, the first spring, the first sleeve and the second sleeve are connected through screws, and the second spring, the second sleeve and the loop bar are connected through screws.

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

1. the utility model discloses a plurality of clamping bars and fan wheel foam model contact locking, to the first spring of application of force point and the second spring of difference are automatic flexible, drive loop bar and second sleeve to different positions press from both sides fan wheel foam model tightly, and a plurality of clamping bars have improved the tight dynamics of clamp and the fixed stability to fan wheel foam model, also can carry out comprehensive fixed clamp to the anomalous fan wheel foam model of shape and tightly, have improved fixed effect.

2. The utility model discloses an outside first screw thread portion of lead screw is opposite with second screw thread portion screw thread soon, and when step motor work drove the lead screw and rotate, first solid fixed splint can move to opposite direction along the guide bar with the second solid fixed splint to the realization is to the central point of fan wheel foam model, and the fixed clamp mode is simple convenient.

Drawings

Fig. 1 is a front view of a fixing jig for machining a fan wheel according to the present invention;

fig. 2 is a schematic structural view of the clamping rod of the present invention;

fig. 3 is a top view of the first clamping plate of the present invention;

fig. 4 is a schematic structural view of the side plate of the present invention.

In the figure: 1. a base plate; 2. a top plate; 3. a side plate; 4. a first stationary jaw; 5. a second stationary jaw; 6. connecting blocks; 7. a chute; 8. a guide block; 9. a clamping lever; 10. a first sleeve; 11. A second sleeve; 12. a loop bar; 13. a first spring; 14. a second spring; 15. an elastic anti-slip soft cushion; 16. a stepping motor; 17. a screw rod; 18. a first threaded portion; 19. a second threaded portion; 20. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a fixing clamp for machining a fan wheel comprises a bottom plate 1 and a top plate 2, wherein side plates 3 are respectively installed on two sides of the upper end of the bottom plate 1, the side plates 3 are respectively connected with the bottom plate 1 and the top plate 2 in a welding mode, a first fixing clamp plate 4 and a second fixing clamp plate 5 are installed between the two side plates 3, the first fixing clamp plate 4 is located below the second fixing clamp plate 5, a plurality of clamping rods 9 are respectively installed at the upper end of the first fixing clamp plate 4 and the lower end of the second fixing clamp plate 5, the clamping rods 9 provide a plurality of force application points, the clamping force and the fixing stability of a fan wheel foam model are improved, the fan wheel foam model with an irregular shape can be comprehensively and fixedly clamped, the clamping rods 9 are fixedly connected with the first fixing clamp plate 4 and the second fixing clamp plate 5, connecting blocks 6 are respectively arranged on two sides of the first fixing clamp plate 4 and the second fixing clamp plate 5, and a guide block 8 is installed at one end of each connecting, the clamping rod 9 comprises a first sleeve 10, a second sleeve 11 and a loop bar 12, the lower end of the second sleeve 11 is embedded into the first sleeve 10, a first spring 13 is installed between the first sleeve 10 and the second sleeve 11, the lower end of the loop bar 12 is embedded into the second sleeve 11, a second spring 14 is installed between the second sleeve 11 and the loop bar 12, the first spring 13 and the second spring 14 automatically stretch and retract at different force application points, and the loop bar 12 and the second sleeve 11 are driven to be adjusted to different positions to clamp a fan wheel foam model.

Further, step motor 16 is installed to one side of roof 2 upper end, lead screw 17 is installed to step motor 16's lower extreme, install guide bar 20 between bottom plate 1 and the roof 2, and guide bar 20 and bottom plate 1 and the equal fixed connection of roof 2, and guide bar 20 and lead screw 17 all run through guide block 8, and guide block 8 and guide bar 20 sliding connection, and roof 2 and step motor 16 pass through the screw connection, and lead screw 17 passes through the bearing with bottom plate 1 and is connected, when step motor 16 work drives lead screw 17 and rotates, first solid fixed splint 4 and second solid fixed splint 5 can move to opposite direction along guide bar 20, thereby realize the center location to fan wheel foam model, a plurality of tight poles of clamp 9 and the contact locking of fan wheel foam model.

Further, a first thread part 18 and a second thread part 19 are arranged outside the screw rod 17, the thread turning directions of the first thread part 18 and the second thread part 19 are opposite, when the screw rod 17 is driven to rotate by the operation of the stepping motor 16, the first fixing clamp plate 4 and the second fixing clamp plate 5 can move along the guide rod 20 in opposite directions, and therefore the center positioning of the fan wheel foam model is achieved.

Further, the upper end of loop bar 12 is provided with elasticity anti-skidding cushion 15, and elasticity anti-skidding cushion 15 is connected with loop bar 12 cementing, and elasticity anti-skidding cushion 15 increases the contact frictional force between clamping bar 9 and the fan wheel foam model, improves fixed stability.

Further, the upper end of curb plate 3 is provided with spout 7, and spout 7 and connecting block 6 sliding connection for first solid fixed splint 4 and second solid fixed splint 5 all can slide along spout 7 of curb plate 3.

Further, the first spring 13, the first sleeve 10 and the second sleeve 11 are connected through screws, and the second spring 14, the second sleeve 11 and the loop bar 12 are connected through screws.

The working principle is as follows: when the fan wheel foam model is used, a fan wheel foam model to be shaped and fixed is arranged between the first fixing clamp plate 4 and the second fixing clamp plate 5 and between the clamping rods 9, because the thread turning directions of the first thread part 18 and the second thread part 19 outside the screw rod 17 are opposite, when the screw rod 17 is driven to rotate by the work of the stepping motor 16, the first fixing clamp plate 4 and the second fixing clamp plate 5 can move in opposite directions along the guide rod 20, so that the central positioning of the fan wheel foam model is realized, the clamping rods 9 are in contact locking with the fan wheel foam model, the contact friction force between the clamping rods 9 and the fan wheel foam model is increased by the elastic anti-skidding cushion 15, the fixing stability is improved, the first spring 13 and the second spring 14 automatically stretch at different force application points, the sleeve rod 12 and the second sleeve 11 are driven to be adjusted to different positions to clamp the fan wheel foam model, a plurality of tight poles of clamp 9 provide a plurality of application of force points, have improved the tight dynamics of clamp and the fixed stability to fan wheel foam model, also can carry out comprehensive fixed clamp to the fan wheel foam model of anomalous shape.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mounting fixture is used in fan wheel processing, includes bottom plate (1) and roof (2), its characterized in that: the clamping device is characterized in that side plates (3) are mounted on two sides of the upper end of the bottom plate (1), the side plates (3) are connected with the bottom plate (1) and the top plate (2) in a welding mode, a first fixing clamp plate (4) and a second fixing clamp plate (5) are mounted between the two side plates (3), the first fixing clamp plate (4) is located below the second fixing clamp plate (5), a plurality of clamping rods (9) are mounted at the upper end of the first fixing clamp plate (4) and the lower end of the second fixing clamp plate (5), the clamping rods (9) are fixedly connected with the first fixing clamp plate (4) and the second fixing clamp plate (5), connecting blocks (6) are arranged on two sides of the first fixing clamp plate (4) and the second fixing clamp plate (5), a guide block (8) is mounted at one end of each connecting block (6), each clamping rod (9) comprises a first sleeve (10), a second sleeve (11) and a sleeve rod (12), the lower extreme embedding of second sleeve (11) is inside first sleeve (10), install first spring (13) between first sleeve (10) and second sleeve (11), the lower extreme embedding of loop bar (12) is inside second sleeve (11), install second spring (14) between second sleeve (11) and loop bar (12).

2. The fixing jig for machining a fan wheel as claimed in claim 1, wherein: step motor (16) are installed to one side of roof (2) upper end, lead screw (17) are installed to the lower extreme of step motor (16), install guide bar (20) between bottom plate (1) and roof (2), and guide bar (20) and bottom plate (1) and the equal fixed connection of roof (2), and guide bar (20) and lead screw (17) all run through guide block (8), and guide block (8) and guide bar (20) sliding connection, and roof (2) pass through the screw connection with step motor (16), and lead screw (17) pass through the bearing with bottom plate (1) and be connected.

3. The fixing jig for machining a fan wheel as claimed in claim 2, wherein: the screw rod (17) is externally provided with a first threaded part (18) and a second threaded part (19), and the thread directions of the first threaded part (18) and the second threaded part (19) are opposite.

4. The fixing jig for machining a fan wheel as claimed in claim 1, wherein: the upper end of loop bar (12) is provided with elasticity antiskid cushion (15), and elasticity antiskid cushion (15) and loop bar (12) are connected by gluing.

5. The fixing jig for machining a fan wheel as claimed in claim 1, wherein: the upper end of the side plate (3) is provided with a sliding groove (7), and the sliding groove (7) is connected with the connecting block (6) in a sliding mode.

6. The fixing jig for machining a fan wheel as claimed in claim 1, wherein: the first spring (13) is connected with the first sleeve (10) and the second sleeve (11) through screws, and the second spring (14) is connected with the second sleeve (11) and the loop bar (12) through screws.