CN212792858U - Riveting and shaping tool for assembling volute bottom plate and motor support - Google Patents

Abstract

The utility model discloses a spiral case bottom plate and motor support assembly are with riveting plastic frock relates to wind channel spiral case and makes the field. It includes upper die base and die holder, be equipped with the positioner who is the cylinder structure on the die holder, the inside wall axial in its little diameter hole evenly is equipped with four rectangular channels in the stairstepping blind hole that the cylinder is structural to be seted up, in the notch of rectangular channel, the outer both sides are equipped with first side dog and second side dog respectively, be equipped with first reference column between first side dog and the second side dog, four second reference columns and four group's rivet blind holes of the structural up end setting of cylinder follow the circumferencial direction of cylinder structure equidistant staggered arrangement, and four group's rivet blind holes correspond the setting respectively in the positive outsides of four rectangular channels, every group's rivet blind hole all includes two rivet that are located this circumferencial direction and steps down the blind hole, just all be equipped with the riveting head to the position department of every group's rivet. The utility model discloses a predominant use can effectively guarantee the concentricity and the plane degree of motor support.

Description

Riveting and shaping tool for assembling volute bottom plate and motor support

Technical Field

The utility model relates to a technical field is made to the wind channel spiral case, and more specifically says, relates to a spiral case bottom plate and motor support assembly are with riveting plastic frock.

Background

The smoke exhaust ventilator is an electric appliance for sucking and cleaning oil smoke and the like generated in cooking in a household kitchen, not only can well complete the functional function, but also has the decoration concept of fusing the modern kitchen pattern, gas discharged by the smoke exhaust ventilator needs to be discharged through an air duct volute of the smoke exhaust ventilator, in the production process of the smoke exhaust ventilator shell in the prior art, the assembly of the volute bottom plate and the motor bracket usually requires a worker to rivet a single piece by using a riveting gun and then weld after the riveting is finished, the assembly process causes low riveting working efficiency, meanwhile, the assembly process is difficult to ensure the concentricity and the flatness of the motor bracket, is easy to cause unqualified assembly, therefore, the problems that noise is easy to generate and the service life of the motor is shortened in the actual use process, and even the motor is not installed and the like are caused, and a riveting and shaping tool is needed to solve the problems at present.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved by the utility model

An object of the utility model is to overcome prior art's defect, provide a spiral case bottom plate and riveting plastic frock for motor support assembly, adopt the technical scheme of the utility model, can effectively guarantee motor support's concentricity and plane degree to improve the assembly qualification rate, easy operation simultaneously, riveting work efficiency is high.

Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a spiral case bottom plate and riveting plastic frock for motor support assembly, including upper die base, die holder and base, the die holder fixed mounting is on the base, is provided with positioner on the die holder, positioner is the cylinder structure of vertical setting, and this cylinder structure has the stairstepping blind hole along the middle part of its up end downwards, and the inside wall axial of the little diameter hole of this stairstepping blind hole evenly is equipped with four rectangular channels, the inside and outside both sides of slot of rectangular channel are provided with first side dog and second side dog respectively, be provided with first reference column between first side dog and the second side dog, the up end of above-mentioned cylinder structure is provided with four second reference columns and four groups of rivet blind holes, and four second reference columns and four groups of rivet blind holes are equidistant staggered arrangement along the circumferencial direction of cylinder structure, wherein, four groups of rivet blind holes correspond respectively to be set up in the positive outside of above-mentioned four rectangular channels, and every group rivet blind hole all includes that two are located this circumferencial direction and the rivet that the interval set up steps down the blind hole, just all be provided with the die on the upper die base in the position department of every group rivet blind hole, the die passes through the connecting plate and sets up on the upper die base.

Furthermore, an arc transition part is formed at the joint of the upper end surface of the cylindrical structure and the inner side wall of the large-diameter hole of the stepped blind hole.

Furthermore, the depth of the large-diameter hole of the stepped blind hole is 15-17 mm.

Furthermore, a guide post is vertically arranged on the lower die base, and a guide sleeve which is in up-and-down sliding fit with the guide post is fixedly arranged on the upper die base.

Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a spiral case bottom plate and motor support assembly are with riveting plastic frock, can effectively guarantee motor support's concentricity and plane degree through this riveting plastic frock, guarantee that the lower horizontal plate on four motor supports promptly is located the coplanar, and the circumference at the second locating hole place on four lower horizontal plates is in the same centre of a circle with the through-hole on the spiral case bottom plate, thereby improve the assembly qualification rate, and then solve because of the unqualified life who leads to easily producing the noise and reducing the motor in the in-service use process of assembly, cause the not first-class problem of motor installation even, this riveting plastic frock easy operation simultaneously, riveting work efficiency is high.

(2) The utility model discloses a spiral case bottom plate and motor support assembly are with riveting plastic frock, its structural design is reasonable, and the principle is simple, convenient to popularize and use.

Drawings

Fig. 1 is a schematic structural view of a riveting and shaping tool for assembling a volute bottom plate and a motor bracket of the present invention;

fig. 2 is a schematic structural view of the volute bottom plate, the motor bracket and the positioning device of the present invention;

FIG. 3 is a schematic structural view of the middle positioning device of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 after rotating a certain angle;

fig. 5 is a schematic structural view of the volute casing bottom plate and the motor bracket after being assembled;

FIG. 6 is a schematic structural view of a bottom plate of the volute casing according to the present invention;

fig. 7 is a schematic structural view of the middle motor bracket of the present invention.

The reference numerals in the schematic drawings illustrate:

11. an upper die holder; 12. a connecting plate; 13. riveting heads; 14. a guide sleeve; 21. a lower die holder; 22. a guide post; 3. a base; 4. a positioning device; 41. a stepped blind hole; 42. a circular arc transition portion; 43. a rectangular groove; 44. a first side stop block; 45. a first positioning post; 46. a second side stop block; 47. a second positioning column; 48. a rivet abdicating blind hole; 5. a volute bottom plate; 51. a volute bottom plate body; 52. clamping the positioning part; 53. a first positioning hole; 54. a first assembly hole; 6. a motor bracket; 61. a lower horizontal plate; 611. a second positioning hole; 62. an upper horizontal plate; 621. a second assembly hole; 622. avoiding holes; 63. an inverted L-shaped support arm.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

Example 1

With reference to fig. 1, 2, 3, 4, 5, 6, and 7, the riveting shaping tool for assembling a volute bottom plate and a motor bracket of this embodiment includes a volute bottom plate 5 and a motor bracket 6, where the volute bottom plate 5 includes a volute bottom plate body 51, the volute bottom plate body 51 is a sheet structure with a through hole at the middle, an inner edge of the sheet structure extends downward to form a clamping positioning portion 52, eight assembling positioning holes are provided on the sheet structure at equal intervals along the circumferential direction of the through hole, each assembling positioning hole includes two first assembling holes 54 and one first positioning hole 53 located between the two first assembling holes 54, and the two first assembling holes 54 and the one first positioning hole 53 are located in the circumferential direction; the motor support 6 comprises two inverted-L-shaped support arms 63 arranged in parallel, a lower horizontal plate 61 and an upper horizontal plate 62 are arranged between two ends of each of the two inverted-L-shaped support arms 63 respectively, wherein a second positioning hole 611 is formed in the lower horizontal plate 61, the upper horizontal plate 62 is of a middle disconnection structure, a avoiding hole 622 is formed in a disconnection position, the diameter of the avoiding hole 622 is equal to that of the first positioning hole 53, two second assembling holes 621 which are located on two sides of the avoiding hole 622 respectively are further formed in the upper horizontal plate 62, and the arrangement distance between the two second assembling holes 621 and the avoiding hole 622 is the same as that between the two first assembling holes 54 and the first positioning hole 53. It should be noted that: the utility model discloses middle and upper horizontal plate 62 can be favorable to the stress release of riveting in-process for this design of middle disconnection structure, prevents that the product from warping.

The volute bottom plate 5 and the motor support 6 are assembled through a riveting and shaping tool, the riveting and shaping tool for assembling the volute bottom plate and the motor support comprises an upper die base 11, a lower die base 21 and a base 3, the lower die base 21 is fixedly arranged on the base 3, a guide post 22 is vertically arranged on the lower die base 21, a guide sleeve 14 which is in up-and-down sliding fit with the guide post 22 is fixedly arranged on the upper die base 11, a positioning device 4 is also arranged on the lower die base 21, the positioning device 4 is a vertically arranged cylindrical structure, the cylindrical structure is downwards provided with a stepped blind hole 41 with a big top and a small bottom along the middle part of the upper end surface of the cylindrical structure, an arc transition part 42 is formed at the joint of the upper end surface of the cylindrical structure and the inner side wall of the big-diameter hole of the stepped blind hole 41, and four rectangular grooves 43 are uniformly arranged on the inner side wall of the small-, in the notch of rectangular channel 43, outer both sides are provided with first side dog 44 and second side dog 46 respectively, be provided with first reference column 45 between first side dog 44 and the second side dog 46, the up end of above-mentioned cylinder structure is provided with four second reference columns 47 and four groups of rivet blind holes, four second reference columns 47 and four groups of rivet blind holes along the circumferencial direction equidistant staggered arrangement of cylinder structure, wherein, four groups of rivet blind holes correspond the setting respectively and are in the above-mentioned four straight channels 43 directly outside, and every group rivet blind hole all includes that two rivets that are located this circumferencial direction and interval set up step down blind hole 48, just all be provided with rivet 13 to the position department of every group rivet blind hole on the upper die base 11, rivet 13 passes through connecting plate 12 and sets up on upper die base 11. Specifically, in this embodiment: the depth of the large-diameter hole of the stepped blind hole 41 is 15-17 mm. It should be noted that: the utility model discloses an up end of cylinder structure and the inside wall in the big diameter hole of stairstepping blind hole 41 form a circular arc transition portion 42 this structural design in the junction and be favorable to spiral case bottom plate 5 and the better laminating location of this riveting plastic frock. It needs to be further explained that: the utility model discloses a design 15-17mm with the degree of depth in the big diameter hole of stairstepping blind hole 41 more is favorable to preventing that the product takes place to warp in the riveting process. It should be further noted that: the utility model discloses well first side dog 44 sets up in the bottom of stairstepping blind hole 41 or sets up on the face at rectangular channel 43 bottom place, and second side dog 46 and first reference column 45 all set up in the bottom of stairstepping blind hole 41.

The concrete use process of spiral case bottom plate and motor support assembly with riveting plastic frock does: the volute bottom plate 5 is first placed on the positioning device 4 as desired, since it is considered that the positions where the four motor brackets 6 are fitted to the volute bottom plate 5 are specific, namely, the motor bracket 6 is required to be assembled at specific four groups of assembly positioning holes in the eight groups of assembly positioning holes, when the volute bottom plate 5 is placed, the first positioning holes 53 in the other four sets of assembly positioning holes need to be respectively aligned and sleeved on the four second positioning columns 47, and the clamping and positioning part 52 on the volute bottom plate 5 is clamped on the inner side wall of the large-diameter hole of the stepped blind hole 41, at the moment, the two first assembly holes 54 in each set of assembly positioning holes required for assembling the motor bracket 6 are just aligned with the two rivet abdicating blind holes 48 in each set of rivet blind holes respectively, then, a motor bracket 6 is placed at each of the four specific groups of assembly positioning holes on the volute bottom plate 5, and the process of specifically placing the motor bracket 6 is as follows: the second positioning holes 611 on the lower horizontal plate 61 are aligned and sleeved on the corresponding first positioning posts 45, two inverted L-shaped support arms 63 on the motor support 6 are respectively abutted on two side wall surfaces of the rectangular groove 43, two side surfaces of the lower horizontal plate 61 are respectively abutted on the first side stop block 44 and the second side stop block 46, two second assembly holes 621 on the upper horizontal plate 62 in the motor support 6 are respectively aligned with two corresponding first assembly holes 54 on the volute bottom plate 5, rivets are respectively inserted, one end of each rivet, which is far away from the nut, is in contact with the bottom of the rivet abdicating blind hole 48, then the press pushes the upper die holder 11 to move downwards, so that the riveting operation on the volute bottom plate 5 and the motor support 6 is realized, then the welding operation is performed, after the welding operation is completed, the final volute shaping operation is performed on the product through the riveting shaping tool, and the assembly work of the bottom plate and the motor support is completed, therefore, the utility model discloses a concentricity and the plane degree of motor support 6 can effectively be guaranteed to this riveting plastic frock, guarantee promptly that lower horizontal plate 61 on four motor support 6 is located the coplanar, and the circumference at second locating hole 611 place on four lower horizontal plate 61 is concentric with the through-hole on the spiral case bottom plate 5, thereby improve the assembly qualification rate, and then solve because of the unqualified life that leads to easily producing the noise and reducing the motor in the in-service use process of assembly, cause the motor installation not high-class problem even, this riveting plastic frock easy operation simultaneously, riveting work efficiency is high.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (4)

1. The utility model provides a spiral case bottom plate and motor support assembly are with riveting plastic frock which characterized in that: the die comprises an upper die holder (11), a lower die holder (21) and a base (3), wherein the lower die holder (21) is fixedly arranged on the base (3), a positioning device (4) is arranged on the lower die holder (21), the positioning device (4) is a vertically arranged cylindrical structure, a stepped blind hole (41) is downwards formed in the middle of the upper end face of the cylindrical structure, four rectangular grooves (43) are axially and uniformly formed in the inner side wall of a small-diameter hole of the stepped blind hole (41), a first side stop block (44) and a second side stop block (46) are respectively arranged on the inner side and the outer side of the groove of each rectangular groove (43), a first positioning column (45) is arranged between the first side stop block (44) and the second side stop block (46), four second positioning columns (47) and four groups of blind holes are arranged on the upper end face of the cylindrical structure in an equidistant and staggered manner along the circumferential direction of the cylindrical structure, wherein, four sets of rivet blind holes correspond respectively and set up in the just outside of above-mentioned four rectangular channel (43), and every rivet blind hole of group all includes that two are located this circumferencial direction and the rivet that the interval set up steps down blind hole (48), just all be provided with die head (13) to the position department of every rivet blind hole of group on upper die base (11), die head (13) set up on upper die base (11) through connecting plate (12).

2. The riveting and shaping tool for assembling the volute bottom plate and the motor support as claimed in claim 1, wherein: and an arc transition part (42) is formed at the joint of the upper end surface of the cylindrical structure and the inner side wall of the large-diameter hole of the stepped blind hole (41).

3. The riveting and shaping tool for assembling the volute bottom plate and the motor support as claimed in claim 2, wherein: the depth of the large-diameter hole of the stepped blind hole (41) is 15-17 mm.

4. The riveting and shaping tool for assembling the volute bottom plate and the motor support as claimed in claim 1, wherein: the die is characterized in that a guide post (22) is vertically arranged on the lower die base (21), and a guide sleeve (14) which is in up-and-down sliding fit with the guide post (22) is fixedly arranged on the upper die base (11).

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