CN216679602U

CN216679602U - Evaporator tube large step machining tool

Info

Publication number: CN216679602U
Application number: CN202123222239.8U
Authority: CN
Inventors: 张红凯; 闫留仁
Original assignee: Zhejiang Xinlong Industry Co ltd
Current assignee: Zhejiang Xinlong Industry Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-07
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a large step processing tool for an evaporator tube, which is characterized in that: the die comprises a processing platform, a guide rail is arranged at the left side position of the upper portion of the processing platform, a die frame is arranged on the upper portion of the guide rail in a sliding mode, a mounting plate is arranged on the upper portion of the die frame, and a first flaring die, a second flaring die, a third flaring die, a first necking die, a second necking die, a third necking die, a first pier head die and a second pier head die are arranged on the upper portion of the mounting plate from back to front. According to the utility model, by arranging the plurality of groups of dies, the single processing amount of the pipe is reduced, so that the single deformation of the pipe is smaller, and the condition of breakage and damage is not easy to occur.

Description

Evaporator tube large step machining tool

Technical Field

The utility model relates to the technical field of tool equipment, in particular to a large step machining tool for an evaporator tube.

Background

At present, in the processing of automobile air conditioner pipelines, in order to connect stably and reliably, fast and conveniently, the opening end of an evaporator pipe needs to be processed into a step shape during processing, so that transition is stable during connection, and the sealing performance is good. The existing processing mode adopts fewer dies to process the pipe in order to improve the production efficiency, so that the pipe is greatly deformed in single processing, and the large-size step can be bent too much to cause cracks or damage, so that the processed product has quality problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a large step machining tool for an evaporator tube.

In order to achieve the purpose, the utility model provides the following technical scheme to realize the purpose:

a large step processing tool for an evaporator tube comprises a processing platform, wherein a guide rail is arranged at the left side position of the upper part of the processing platform, a die frame is arranged at the upper part of the guide rail in a sliding manner, a mounting plate is arranged at the upper part of the die frame, a first flaring die, a second flaring die, a third flaring die, a first necking die, a second necking die, a third necking die, a first pier die and a second pier die are arranged at the upper part of the mounting plate from back to front, the left ends of the connecting rods penetrate through the mounting plate and are connected with a movable plate, the left side of the movable plate is connected with an abutting block, a spring is sleeved on the connecting rod and is positioned between the movable plate and the mounting plate, a driving cylinder is arranged at the upper part of the processing platform, and the front end of a piston rod of the driving cylinder is connected with a connecting plate, the connecting plate is connected with the mould frame, and mould frame left side is provided with the fixed plate, is provided with push cylinder on the fixed plate, and push cylinder's piston rod passes the fixed plate and is connected with the ejector pad, and processing platform upper portion right side position is provided with the fixed block, and the fixed block front side is provided with first clamp splice, and first clamp splice the place ahead is provided with fixed cylinder, is connected with the second clamp splice on fixed cylinder's the piston rod.

Preferably, the inner side of the first clamping block is provided with a clamping groove and a shaping groove which are connected with each other, the shaping groove is positioned on the left side of the clamping groove, and the second clamping block is identical to the first clamping block in structure.

Preferably, the first flaring die comprises a first flaring die body and a first flaring shaft, the second flaring die comprises a second flaring die body and a second flaring shaft, and the diameter of the second flaring shaft is larger than that of the first flaring shaft.

Preferably, the third flaring die comprises a third flaring die main body, a flaring groove is formed in the right side of the third flaring die main body, a first leading-in surface is arranged at the right end of the flaring groove, a flaring mandrel is arranged in the flaring groove, and an extrusion arc surface is arranged on the right side of the flaring mandrel.

Preferably, the first necking die comprises a necking die body, a necking groove is formed in the right side of the necking die body, a second leading-in surface is arranged on the right side of the necking groove, a necking mandrel is arranged in the necking groove, a shaping arc surface is arranged on the right side of the necking mandrel, the structure of the second necking die and the structure of the third necking die are basically the same as that of the first necking die, and the difference is that the sizes of the necking groove and the necking mandrel are gradually reduced.

Preferably, the first pier head die comprises a pier head die body, a forming groove is formed in the right side of the pier head die body, an extrusion groove is formed in the right end of the forming groove, the diameter of the extrusion groove is larger than that of the forming groove, a supporting mandrel is arranged in the forming groove and the extrusion groove, the structure of the second pier head die is basically the same as that of the first pier head die, and the difference lies in that circular arc transition is formed between the forming groove and the extrusion groove in the first pier head die, and vertical transition is formed between the forming groove and the extrusion groove in the second pier head die.

Compared with the prior art, the utility model has the beneficial effects that: the pipe is subjected to multiple times of flaring and multiple times of necking, the processing amount of each time is small, the deformation of the pipe is small, the pipe is not easy to damage, and then steps are processed at the pipe end to ensure the processing quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic structural view of the present invention;

FIG. 3 is a schematic structural view of a third flaring die of the present invention;

FIG. 4 is a schematic structural view of a first necking die in the present invention;

FIG. 5 is a schematic structural view of a first heading die according to the present invention;

FIG. 6 is a schematic structural view of a second heading die according to the present invention;

FIG. 7 is a schematic structural view of a first clamping block according to the present invention;

fig. 8 is a variation of the pipe machining.

Reference numerals: a processing platform 1; a guide rail 2; a mold frame 3; a driving cylinder 4; a connecting plate 5; a mounting plate 6; a first flaring die 7; a first flaring die body 7; a first flared shaft 72; a second flaring die 8; a second flaring die body 81; a second flared shaft 82; a third flaring die 9; a third flaring die body 91; a flaring mandrel 92; a flared groove 93; the extrusion arc surface 94; a first introduction surface 95; a first necking die 10; a necking die main body 101; a throat groove 102; a second introduction surface 103; a necking mandrel 104; a shaping arc surface 105; a second necking die 11; a third necking die 12; a first heading die 13; a heading die body 131; a molding groove 132; the pressing groove 133; a support mandrel 134; a second heading die 14; a fixed plate 15; a push cylinder 16; a push block 17; a fixed block 18; a first clamp block 19; a holding groove 191; a shaped groove 192; a stationary cylinder 20; a second clamp block 21; a movable plate 22; an abutment block 23; a spring 24; a tube 25; a connecting rod 26.

Detailed Description

Embodiments of the present invention are described in detail below with reference to fig. 1-8.

A large step processing tool for an evaporator tube comprises a processing platform 1, a guide rail 2 is arranged at the left side of the upper part of the processing platform 1, a die frame 3 is arranged at the upper part of the guide rail 2 in a sliding manner, a mounting plate 6 is arranged at the upper part of the die frame 3, a first flaring die 7, a second flaring die 8, a third flaring die 9, a first necking die 10, a second necking die 11, a third necking die 12, a first pier head die 13 and a second pier head die 14 are arranged at the upper part of the mounting plate 6 from back to front, the first flaring die 7, the second flaring die 8, the third flaring die 9, the first necking die 10, the second necking die 11, the third necking die 12, the first pier head die 13 and the left side of the second pier head die 14 are respectively connected with a connecting rod 26, the left end of the connecting rod 26 penetrates through the mounting plate 6 and is connected with a movable plate 22, the left side of the movable plate 22 is connected with an abutting block 23, a spring 24 is sleeved on the connecting rod 26, the spring 24 is positioned between the movable plate 22 and the

mounting plate

6, 1 upper portion of processing platform is provided with and drives actuating cylinder 4, the piston rod front end that drives actuating cylinder 4 is connected with connecting plate 5, connecting plate 5 is connected with mould frame 3, mould frame 3 left side is provided with fixed plate 15, be provided with on the fixed plate 15 and promote cylinder 16, the piston rod that promotes cylinder 16 passes fixed plate 15 and is connected with

ejector pad

17, 1 upper portion right side position of processing platform is provided with fixed block 18, fixed block 18 front side is provided with first clamp splice 19, first clamp splice 19 the place ahead is provided with fixed cylinder 20, be connected with second clamp splice 21 on fixed cylinder 20's the piston rod.

Preferably, the first block 19 is provided with a holding groove 191 and a shaping groove 192 inside thereof, the shaping groove 192 is located at the left side of the holding groove 191, and the second block 21 has the same structure as the first block 19.

Preferably, the first flaring die 7 includes a first flaring die body 7 and a first flaring shaft 72, the second flaring die 8 includes a second flaring die body 81 and a second flaring shaft 82, and the diameter of the second flaring shaft 82 is larger than the diameter of the first flaring shaft 72.

Preferably, the third flaring die 9 includes a third flaring die main body 91, a flaring groove 93 is formed in the right side of the third flaring die main body 91, a first leading-in surface 95 is formed at the right end of the flaring groove 93, the end of the pipe 25 is better guided into the flaring groove 93 by the arrangement of the first leading-in surface 95, a flaring mandrel 92 is arranged in the flaring groove 93, and an extrusion arc surface 94 is formed in the right side of the flaring mandrel 92.

Preferably, the first necking die 10 comprises a necking die body 101, a necking groove 102 is arranged on the right side of the necking die body 101, a second introduction surface 103 is arranged on the right side of the necking groove 102, the second introduction surface 103 is arranged to enable the end portion of the pipe 25 to be better guided into the necking groove 102, a necking mandrel 104 is arranged in the necking groove 102, a shaping arc surface 105 is arranged on the right side of the necking mandrel 104, and the second necking die 11 and the third necking die 12 are basically the same as the first necking die 10 in structure, except that the sizes of the necking groove 102 and the necking mandrel 104 are gradually reduced.

Preferably, the first heading die 13 comprises a heading die body 131, a forming groove 132 is arranged on the right side of the heading die body 131, an extrusion groove 133 is arranged at the right end of the forming groove 132, the diameter of the extrusion groove 133 is larger than that of the forming groove 132, a support mandrel 134 is arranged in the forming groove 132 and the extrusion groove 133, and the structure of the second heading die 14 is substantially the same as that of the first heading die 13, except that the forming groove 132 and the extrusion groove 133 in the first heading die 13 are in arc transition, and the forming groove 132 and the extrusion groove 133 in the second heading die 14 are in vertical transition.

The pipe 25 is placed between the first clamping block 19 and the second clamping block 21, the piston rod of the fixing cylinder 20 extends to drive the second clamping block 21 to move towards the first clamping block 19, and the first clamping block 19 and the second clamping block 21 clamp and fix the pipe 25.

The piston rod of the driving cylinder 4 stretches to drive the die frame 3 to slide on the guide rail 2 through the connecting plate 5, so that the first flaring die 7, the second flaring die 8, the third flaring die 9, the first necking die 10, the second necking die 11, the third necking die 12, the first pier head die 13 and the second pier head die 14 are sequentially aligned with the pipe 25. The pushing cylinder 16 controls the piston rod to extend, the piston rod drives the pushing block 17 to move rightwards, the pushing block 17 pushes against the abutting block 23 and then drives the movable block 22 to move rightwards, and therefore the corresponding die is driven to move rightwards to process the pipe.

The first flaring shaft 72 of the first flaring die 7 and the second flaring shaft 82 of the second flaring die 8 sequentially expand the inner diameter of the pipe 25, and the first flaring shaft 72, the second flaring shaft 82 and the shaping groove 192 are matched to extrude the pipe 25, so that the right side of the pipe 25 is gradually attached to the shaping groove 192. The flaring mandrel 92 and the flaring groove 93 in the third flaring die 9 are matched, and the end part of the pipe 25 is led into the space between the flaring mandrel 92 and the flaring groove 93, so that the inner diameter of the end part of the pipe 25 is flared again, and the outer diameter is shaped. The end of the flaring mandrel 92 and the sizing groove 192 cooperate to finish sizing the right portion of the tubing 25. The first necking die 10, the second necking die 11 and the third necking die 12 sequentially perform necking treatment on the left end of the pipe 25, so that the size of the left end of the pipe 25 is gradually reduced and meets corresponding requirements. The size of each necking is small, so that the pipe 25 is not easy to break. The first heading die 13 and the second heading die 14 squeeze the ends of the tube 25 so that the middle section of the tube 25 is folded. The folded portion of the tube 25 is restrained by the pressing groove 133 to form a step.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a big step processing frock of evaporator tube which characterized in that: the processing platform comprises a processing platform, a guide rail is arranged at the left side of the upper part of the processing platform, a die frame is arranged at the upper part of the guide rail in a sliding manner, a mounting plate is arranged at the upper part of the die frame, a first flaring die, a second flaring die, a third flaring die, a first necking die, a second necking die, a third necking die, a first pier head die and a second pier head die are arranged at the upper part of the mounting plate from back to front, the first flaring die, the second flaring die, the third flaring die, the first necking die, the second necking die, the third necking die, the first pier head die and the second pier head die are all connected with a connecting rod on the left side, the left end of the connecting rod penetrates through the mounting plate and is connected with a movable plate, the left side of the movable plate is connected with an abutting block, the connecting rod is sleeved with a spring, the spring is positioned between the movable plate and the mounting plate, a driving cylinder is arranged at the upper part of the processing platform, the front end of a piston rod of the driving cylinder is connected with a connecting plate, the connecting plate is connected with the die frame, the mould frame left side is provided with the fixed plate, is provided with push cylinder on the fixed plate, and push cylinder's piston rod passes the fixed plate and is connected with the ejector pad, and processing platform upper portion right side position is provided with the fixed block, and the fixed block front side is provided with first clamp splice, and first clamp splice the place ahead is provided with fixed cylinder, is connected with the second clamp splice on fixed cylinder's the piston rod.

2. The evaporator tube large step machining tool according to claim 1, characterized in that: the fast inboard of first clamp is provided with interconnect's centre gripping groove and design groove, and the design trench is located the left side in centre gripping groove, and the second clamp splice is the same with the structure of first clamp splice.

3. The evaporator tube large step machining tool according to claim 1, characterized in that: the first flaring die comprises a first flaring die main body and a first flaring shaft, the second flaring die comprises a second flaring die main body and a second flaring shaft, and the diameter of the second flaring shaft is larger than that of the first flaring shaft.

4. The evaporator tube large step machining tool according to claim 1, characterized in that: the third flaring die comprises a third flaring die main body, a flaring groove is formed in the right side of the third flaring die main body, a first leading-in surface is arranged at the right end of the flaring groove, a flaring mandrel is arranged in the flaring groove, and an extrusion cambered surface is arranged on the right side of the flaring mandrel.

5. The evaporator tube large step machining tool according to claim 1, characterized in that: the first necking die comprises a necking die main body, a necking groove is formed in the right side of the necking die main body, a second leading-in surface is arranged on the right side of the necking groove, a necking mandrel is arranged in the necking groove, a shaping arc surface is arranged on the right side of the necking mandrel, the structures of the second necking die and the third necking die are basically the same as those of the first necking die, and the difference lies in that the sizes of the necking groove and the necking mandrel are gradually reduced.

6. The evaporator tube large step machining tool according to claim 1, characterized in that: first pier nose mould includes pier nose mould main part, and pier nose mould main part right side is provided with the shaping groove, and the shaping groove right-hand member is provided with the extrusion groove, and the diameter in extrusion groove is greater than the diameter in shaping groove, is provided with the supporting mandrel in shaping groove, the extrusion groove, and the structure of second pier nose mould is the same basically with the structure of first pier nose mould, and the difference lies in for the circular arc transition in the first pier nose mould between shaping groove and the extrusion groove, for perpendicular transition in the second pier nose mould between shaping groove and the extrusion groove.