Pipe expanding device for PVC electrical conduit

Abstract

The utility model provides a PVC electrical casing pipe expanding device which comprises a base component, a displacement driving assembly, a heating component, a flaring assembly and a sliding table, the base component comprises a pedestal and an extension seat which are vertically distributed, and the sliding table movably arranged on the extension seat is provided with a material placing seat for placing a pipe body; the heating component and the flaring assembly are installed on a bearing seat of the displacement driving assembly, when a pipe body is located on the material placing seat, the heating component is located in front of the pipe body, then a sliding table is moved to enable part of the pipe body to be located in a box body of the heating component and to be heated and softened by the heating component, and then the pipe body is far away from the box body through movement of the sliding table; the bearing seat drives the flaring assembly to be located in front of the pipe body under the cooperation of the rotating lead screw, a first flaring head, a second flaring head and a third flaring head in the flaring die component make contact with the pipe body, pipe expanding operation can be conducted on the pipe body in sequence, and the problem that when an existing pipe expanding device directly conducts pipe expanding operation on the pipe body, the pipe expanding efficiency is high is solved. And the pipe body is easy to break.

Description

TECHNICAL FIELD

[0001] The application relates to a pipe processing device, in particular to a pipe expanding device for PVC electrician's sleeve. BACKGROUND

[0002] The sleeve generally refers to the main part of the pipe, and is a hollow pipe with a circular or special-shaped section for conveying fluid or solid particles. In the installation process, the existing sleeve is expanded to form a flared end or other specific shape by expanding the pipe body, so that the pipe can be connected with other pipes or pipe fittings to realize the assembly of the pipe system. However, the existing sleeve is prone to breakage during the pipe expanding process, and needs to be reprocessed or replaced, causing material waste. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the above-mentioned problems and provides a pipe expanding device for PVC electrician's sleeve.

[0004] The technical scheme of the application is implemented as follows:

[0005] The application provides a pipe expanding device for PVC electrician's sleeve, which comprises a base part, a displacement driving assembly, a heating part, an expanding assembly and a sliding table. The base part comprises a vertical distribution pedestal and an extension seat. The displacement driving assembly is arranged on the pedestal, and the sliding table is movably arranged on the extension seat.

[0006] The pedestal is provided with a mounting groove. The displacement driving assembly comprises a rotating lead screw, a driver and a bearing seat. The rotating lead screw is rotatably arranged in the mounting groove. One end of the rotating lead screw extends to the outside of the pedestal and is connected with the driver. The bearing seat is mounted on the rotating lead screw. Part of the bearing seat is located on the pedestal. The heating part and the expanding assembly are arranged on the bearing seat.

[0007] The heating part comprises a box body and a heating plate. The heating plate is arranged in the box body. The expanding assembly comprises a machine body and an expanding die part. The expanding die part is mounted on the machine body.

[0008] The sliding table is provided with a material placing seat. The material placing seat is provided with a first arc-shaped groove for placing the pipe body. When the sliding table is close to the pedestal position through the cooperation of the rotating lead screw part and the bearing seat, part of the pipe body is located in the box body or abuts against the expanding die part.

[0009] The expanding die part comprises first, second and third expanding heads with different sizes.

[0010] In an embodiment, the pipe expanding device further comprises a clamping assembly. The clamping assembly comprises a bracket, a first telescopic driving part and a pressing plate. The bracket is arranged on the sliding table and located on one side of the material placing seat.

[0011] The first telescopic driving component is arranged on the top of the support, and the piston end of the first telescopic driving component is connected with the pressing plate through the support, and the pressing plate is arranged between the material placing seat and the support;

[0012] The second arc-shaped slot is arranged on the pressing plate corresponding to the position of the first arc-shaped slot, and the pressing plate is close to or away from the material placing seat through the cooperation of the first telescopic driving component, and when the pressing plate and the material placing seat abut, the first arc-shaped slot and the second arc-shaped slot form a circular annular opening.

[0013] In an embodiment, a second telescopic push rod component is further included, and the second telescopic push rod component is arranged on the extension seat, and the piston end of the second telescopic push rod component is connected with the sliding table;

[0014] The sliding table drives the material placing seat to be close to or away from the pedestal through the cooperation of the second telescopic push rod component.

[0015] In an embodiment, the first arc-shaped slot is provided with a containing groove on both sides, and an elastic limiting assembly is arranged in the containing groove, the elastic limiting assembly includes an elastic member and a clamping plate, and the elastic member is provided with a plurality of elastic members and is distributed along the length direction of the containing groove;

[0016] One end of the elastic member is connected with the containing groove, and the other end is connected with the clamping plate, and the two groups of clamping plates form a containing area for limiting the pipe body;

[0017] The containing area is expanded or reduced through the cooperation of the elastic member.

[0018] In an embodiment, the first arc-shaped slot is provided with a plurality of arc-shaped slots and is distributed along the length direction of the material placing seat;

[0019] The number of the second arc-shaped slots is consistent with the number of the second arc-shaped slots.

[0020] In an embodiment, the clamping plate is provided with a slot on the side away from the elastic member;

[0021] The slot is provided with a plurality of slots and is distributed along the width direction of the clamping plate.

[0022] In an embodiment, the heating plate is provided with a plurality of heating plates, and the plurality of heating plates are uniformly distributed in the box.

[0023] In an embodiment, the diameters of the first, second and third flared heads gradually increase.

[0024] The advantages or beneficial effects of the above technical solutions at least include:

[0025] The application discloses a pipe expanding device for PVC electrician sleeve, which is characterized by the following: a bearing seat for installing a heating component and a flaring assembly is installed on a rotating screw rod, and a pipe body to be processed is placed on a material placing seat connected with a sliding table; when the rotating screw rod rotates, the heating component and the flaring assembly are driven by the bearing seat to change positions; when pipe expanding operation is needed, the heating component is located in front of the pipe body, and the pipe body is softened by a heating plate in a box body; then the softened pipe body is connected with a flaring die component of the flaring assembly; since the flaring die component comprises first, second and third flaring heads with different sizes, the size of the flaring can be gradually enlarged according to actual needs, so that the pipe is not broken when directly expanded; the cooperation of the heating component and the flaring assembly can solve the problem that the pipe is easily broken when the existing pipe expanding device performs flaring operation. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the application and together with the description serve to explain the principles of the application.

[0027] Figure 1 A structure schematic view of one perspective of the pipe expanding device of the embodiment of the application is shown;

[0028] Figure 2 A structure schematic view of one perspective of the pipe expanding device of the embodiment of the application is shown;

[0029] Figure 3 A structure schematic view of one perspective of the pipe expanding device of the embodiment of the application is shown;

[0030] Figure 4 A structure schematic view of one perspective of the pipe expanding device of the embodiment of the application is shown;

[0031] Figure 5 A structure schematic view of one perspective of the pipe expanding device of the embodiment of the application is shown; Figure 3 An enlarged schematic view of A in the embodiment of the application is shown;

[0032] Reference signs: 1, base component; 11, pedestal; 111, installation groove; 12, extension seat; 121, guide rail;

[0033] 2, displacement driving assembly; 21, rotating screw rod; 22, driver; 23, bearing seat;

[0034] 3, heating component; 31, box body; 32, heating plate;

[0035] 4, flaring assembly; 41, machine body; 42, flaring die component; 421, first flaring head; 422, second flaring head; 423, third flaring head;

[0036] 5, sliding table; 51, material placing seat; 511, first arc-shaped groove; 5111, accommodating groove;

[0037] 6, clamping assembly; 61, support; 62, first telescopic driving part; 63, pressing plate; 631, second arc-shaped groove;

[0038] 7, second telescopic push rod part;

[0039] 8, elastic limiting assembly; 81, elastic member; 82, clamping plate; 821, slot. DETAILED DESCRIPTION

[0040] Embodiments of the present application will be described in more detail with reference to the drawings. While several embodiments of the application are shown in the drawings, it is understood that the application can be embodied in various forms and should not be construed as limited to the embodiments set forth in the description. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and fully convey the scope of the application to those skilled in the art. It should be understood that the drawings and detailed description thereto are illustrative only and are not intended to limit the scope of the present application.

[0041] It should be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0042] It should be understood that the term "comprising" and its variants used herein are open-ended, i.e., "including but not limited to". The term "based on" is "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Related definitions of other terms will be given in the following description. It should be noted that the "first", "second", etc. concepts mentioned in the present application are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0043] It should be noted that the modification of "one" or "several" mentioned in the present application is illustrative and not limiting, and those skilled in the art should understand that unless otherwise explicitly indicated in the context, it should be understood as "one or more".

[0044] The names of the messages or information exchanged between the devices in the embodiments of the present application are only for illustrative purposes, and are not used to limit the scope of the messages or information.

[0045] Reference Figures 1-4The utility model provides an expansion device of PVC electrician sleeve, including base part 1, displacement drive assembly 2, heating part 3, flaring assembly 4 and sliding table 5, base part 1 includes vertically distributed pedestal 11 and extension seat 12, displacement drive assembly 2 is set up on pedestal 11, sliding table 5 is movably arranged on extension seat 12, heating part 3 is used to heat the position of pipe body and needs flaring, flaring assembly 4 is used to flaring operation to pipe body,

[0046] Pedestal 11 has mounting groove 111, displacement drive assembly 2 includes rotating lead screw 21, driver 22 and bearing seat 23, rotating lead screw 21 is rotatably arranged in mounting groove 111, the part of rotating lead screw 21 in mounting groove 111 is equipped with lead screw bearing seat, one end of rotating lead screw 21 extends to the outside of pedestal 11 and is connected with driver 22, driver 22 is the servo drive motor in the prior art and provides power for the rotation of rotating lead screw 21, bearing seat 23 is installed on rotating lead screw 21, and part of bearing seat 23 is located on pedestal 11, heating part 3 and flaring assembly 4 are spaced apart on bearing seat 23, and the position of heating part 3 and flaring assembly 4 can be adjusted by the cooperation of rotating lead screw 21 and bearing seat 23.

[0047] Heating part 3 includes box 31 and heating plate 32, heating plate 32 is arranged in box 31, heating plate 32 is provided with a plurality of, a plurality of heating plates 32 are uniformly distributed in box 31, and the uniform distribution of heating plate 32 can diffuse the heating range and the heating temperature, so that the pipe body can be uniformly heated when being located in box 31, and heating plate 32 is the electric heating plate in the prior art, flaring assembly 4 includes body 41 and flaring die part 42, and flaring die part 42 is installed on body 41.

[0048] Sliding table 5 has material placing seat 51, and first arc-shaped groove 511 for placing the pipe body is arranged on material placing seat 51, by the cooperation of rotating lead screw 21 part and bearing seat 23, when sliding table 5 approaches the position of pedestal 11, part of the pipe body is located in box 31 or abuts against flaring die part 42.

[0049] Flaring die part 42 includes first flaring head 421, second flaring head 422 and third flaring head 423 of different sizes, the diameter sizes of first flaring head 421, second flaring head 422 and third flaring head 423 gradually increase, when the pipe body sequentially contacts first flaring head 421, second flaring head 422 and third flaring head 423, the opening of the pipe body gradually expands, so that the pipe body is avoided from being broken when directly contacting the flaring head of larger size.

[0050] Based on the above structure, by placing the pipe body to be processed on the first arc-shaped groove 511 of the material placing seat 51, since the material placing seat 51 is arranged on the sliding table 5, the pipe body can be moved towards the pedestal 11 by moving the sliding table 5. By rotating the screw rod 21 and the bearing seat 23, the box body 31 of the heating component 3 is directed towards the pipe body, part of the pipe body enters the box body 31 and is softened by the cooperation of the heating plate 32, thereby enhancing the plasticity of the pipe body. Then, when the sliding table 5 drives the material placing seat 51 to move away from the box body 31, the flaring assembly 4 moves to the front section of the pipe body under the cooperation of the rotating screw rod 21 and the bearing seat 23. Since the flaring die component 42 has the first flaring head 421, the second flaring head 422 and the third flaring head 423, the pipe body can gradually contact different flaring heads according to its own needs, thereby gradually increasing the flaring range, avoiding direct contact with the flaring head of large size, causing the pipe body to break, and improving the plasticity of the pipe body by heating, thereby solving the problem that the pipe body is prone to breakage during flaring, causing material waste.

[0051] In one embodiment, referring to Figure 1 and Figure 3 The clamping assembly 6 further includes a bracket 61, a first telescopic driving component 62 and a pressing plate 63. The bracket 61 is arranged on the sliding table 5 and located on one side of the material placing seat 51. The first telescopic driving component 62 is a pneumatic push rod in the prior art.

[0052] The first telescopic driving component 62 is arranged on the top of the bracket 61. The piston end of the first telescopic driving component 62 penetrates through the bracket 61 and is connected with the pressing plate 63. The pressing plate 63 is located between the material placing seat 51 and the bracket 61 and above the pipe body.

[0053] The pressing plate 63 is provided with a second arc-shaped groove 631 corresponding to the position of the first arc-shaped groove 511. The pressing plate 63 is moved close to or away from the material placing seat 51 by the cooperation of the first telescopic driving component 62. When the pressing plate 63 abuts against the material placing seat 51, the first arc-shaped groove 511 and the second arc-shaped groove 631 form a circular ring-shaped opening. When the pipe body is located in the first arc-shaped groove 511, the second arc-shaped groove 631 is located above the pipe body and clamps the pipe body by moving the pressing plate 63 through the first telescopic driving component 62, so that the pipe body is limited between the first arc-shaped groove 511 and the second arc-shaped groove 631, thereby clamping the pipe body and avoiding the shaking of the pipe body during processing.

[0054] In one embodiment, referring to Figure 1 and Figure 3Further comprising a second telescopic push rod component 7, the second telescopic push rod component 7 is a pneumatic push rod in the prior art, the second telescopic push rod component 7 is arranged on the extension base 12, the piston end of the second telescopic push rod component 7 is connected with the sliding table 5, through the cooperation of the second telescopic push rod component 7, the sliding table 5 drives the material placing base 51 to move close to or away from the pedestal 11, through the connection between the second telescopic push rod component 7 and the sliding table 5, the movement of the sliding table 5 can be controlled, the participation of manual work is reduced, thereby the moving distance of the sliding table 5 is controlled, and the accuracy of the movement of the sliding table 5 is improved.

[0055] In one embodiment, referring to Figure 1 、 Figure 3 and Figure 5 , the two sides of the first arc-shaped groove 511 are provided with accommodating grooves 5111, and elastic limiting assemblies 8 are arranged in the accommodating grooves 5111. The elastic limiting assembly 8 comprises elastic members 81 and clamping plates 82. The elastic members 81 are arranged in a plurality of numbers and are distributed along the length direction of the accommodating groove 5111. The elastic members 81 are telescopic springs in the prior art. The elastic limiting assembly 8 is used for supporting the pipe body.

[0056] One end of the elastic member 81 is connected with the accommodating groove 5111, and the other end is connected with the clamping plate 82. The two groups of clamping plates 82 form an accommodating area for limiting the pipe body. Through the cooperation of the elastic member 81, the accommodating area is expanded or reduced. When the pipe body to be machined is placed in the first arc-shaped groove 511, the clamping plate 82 moves under the cooperation of the elastic member 81, so as to clamp the pipe body on the outer periphery of the pipe body. The arrangement of the two groups of elastic limiting assemblies 8 can clamp the pipe body from both sides, so as to improve the stability of the pipe body when placed. Through the arrangement of the elastic member 81, the first arc-shaped groove 511 can accommodate pipe bodies of different sizes, so as to improve the flexibility when the pipe body is placed.

[0057] In one embodiment, referring to Figure 1 and Figure 3 , the first arc-shaped groove 511 is arranged in a plurality of numbers and is distributed along the length direction of the material placing base 51. The arrangement of the plurality of first arc-shaped grooves 511 can realize the placement of a plurality of pipe bodies to be machined on the material placing base 51. The number of the second arc-shaped grooves 631 is consistent with the number of the second arc-shaped grooves 631. The number of the second arc-shaped grooves 631 is consistent with the number and position of the second arc-shaped grooves 631, so as to avoid the misalignment between the clamping second arc-shaped grooves 631 and the second arc-shaped grooves 631.

[0058] In one embodiment, referring to FIG. 8, the clamping plate 82 is provided with a plurality of grooves 821 on the side away from the elastic member 81, the grooves 821 are distributed along the width direction of the clamping plate 82, the grooves 821 can increase the friction between the clamping plate 82 and the material, thereby improving the stability of clamping, preventing the material from sliding during processing, and the design of the grooves 821 helps the clamping plate 82 to distribute the pressure more evenly on the material, reducing the problem of excessive local pressure, avoiding damage to the material.

[0059] In one embodiment, referring to Figure 1 and Figure 3 , the extension seat 12 is provided with guide rails 121, the guide rails 121 are symmetrically distributed in two groups, the two ends of the sliding table 5 are respectively installed on the two groups of guide rails 121, the guide rails 121 can guide the movement of the sliding table 5, improve the stability of the sliding table 5 during movement, and the two groups of guide rails 121 can disperse the pressure applied by the guide rails 121 when the sliding table 5 moves.

[0060] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0061] Those skilled in the art should understand that the above embodiments are only for the purpose of clearly illustrating the present application, and do not limit the scope of the present application. Based on the above disclosure, other changes or modifications can also be made by those skilled in the art, and these changes or modifications are still within the scope of the present application.

Claims

1. An apparatus for expanding PVC electrical conduit, characterized by: The base part, displacement drive assembly, heating part, flaring assembly and sliding table, the base part includes vertically distributed pedestal and extension seat, the displacement drive assembly is arranged on the pedestal, the sliding table is arranged on the extension seat; The pedestal has a mounting groove, the displacement drive assembly includes a rotating screw, a driver and a bearing seat, the rotating screw is rotatably arranged in the mounting groove, one end of the rotating screw extends to the outside of the pedestal and is connected with the driver, the bearing seat is mounted on the rotating screw, part of the bearing seat is located on the pedestal, the heating part and the flaring assembly are spaced on the bearing seat; The heating part includes a box and a heating plate, the heating plate is arranged in the box, the flaring assembly includes a body and a flaring die part, the flaring die part is mounted on the body; The sliding table has a material placing seat, the first arc-shaped groove for placing the pipe body is arranged on the material placing seat, through the cooperation of the rotating screw part and the bearing seat, when the sliding table is close to the pedestal position, part of the pipe body is located in the box or abuts against the flaring die part; The flaring die part includes first, second and third flaring heads with different sizes.

2. The PVC electrical conduit expander of claim 1, wherein: It also includes a clamping assembly, the clamping assembly includes a support, a first telescopic drive part and a pressing plate, the support is arranged on the sliding table and located on one side of the material placing seat; The first telescopic drive part is arranged on the top of the support, the piston end of the first telescopic drive part penetrates through the support and is connected with the pressing plate, the pressing plate is located between the material placing seat and the support; The second arc-shaped groove corresponding to the first arc-shaped groove is arranged on the pressing plate, through the cooperation of the first telescopic drive part, the pressing plate is close to or away from the material placing seat, when the pressing plate and the material placing seat abut against each other, the first arc-shaped groove and the second arc-shaped groove form a circular ring-shaped opening.

3. The PVC electrical sleeve expanding device of claim 1, wherein: It also includes a second telescopic push rod part, the second telescopic push rod part is arranged on the extension seat, the piston end of the second telescopic push rod part is connected with the sliding table; Through the cooperation of the second telescopic push rod part, the sliding table drives the material placing seat to be close to or away from the pedestal.

4. The PVC electrical sleeve expanding device of claim 1, wherein: Both sides of the first arc-shaped groove are provided with accommodating grooves, the accommodating grooves are provided with elastic limiting assemblies, the elastic limiting assemblies include elastic members and clamping plates, the elastic members are arranged and spaced along the length direction of the accommodating groove; One end of the elastic member is connected with the accommodating groove, the other end is connected with the clamping plate, two groups of clamping plates form an accommodating area for limiting the pipe body; Through the cooperation of the elastic member, the accommodating area expands or shrinks.

5. The PVC electrical sleeve expanding device of claim 2, wherein: The first arc-shaped groove is arranged and spaced along the length direction of the material placing seat; The number of the second arc-shaped groove is consistent with the number of the second arc-shaped groove.

6. The PVC electrical sleeve expanding device of claim 4, wherein: The side of the clamping plate away from the elastic member is provided with a slot; The slot is arranged and spaced along the width direction of the clamping plate.

7. The PVC electrical sleeve expanding device of claim 1, wherein: The heating plate is provided with a plurality of heating plates which are uniformly distributed in the box.

8. The PVC electrical sleeve expanding device of claim 1, wherein: The diameters of the first flared head, the second flared head and the third flared head gradually increase.

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