CN217596991U - Axial extrusion tool and axial extrusion device system - Google Patents

Axial extrusion tool and axial extrusion device system Download PDF

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Publication number
CN217596991U
CN217596991U CN202221619124.4U CN202221619124U CN217596991U CN 217596991 U CN217596991 U CN 217596991U CN 202221619124 U CN202221619124 U CN 202221619124U CN 217596991 U CN217596991 U CN 217596991U
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groove
axial
extrusion
ram
guide shaft
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陈启章
韦士奇
刘德忠
贾翼洲
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Sichuan Zhongzi Technology Co ltd
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Sichuan Zhongzi Technology Co ltd
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Abstract

The utility model discloses an axial extrusion instrument and axial extrusion device system mainly includes spacing mount pad, axial ram and top portion of pushing away, and first recess is arranged in placing in the axial ram to treat the extrusion part, and the second recess is used for holding the pipe. The limiting mounting seat can provide limiting effect for the axial ram and the pushing portion, when one end of the pushing portion receives thrust, the pushing portion and the limiting mounting seat can generate relative sliding, the other end of the pushing portion can push the axial ram to enable the axial ram to generate sliding axial extrusion to the part to be extruded. Among the extrusion instrument, the extrusion of axial ram is to first recess slope, and the extrusion has formed the compensation towards the skew of treating the extrusion article to the skew of power that sets up for under the condition that moment exists, the skew can not exist in the axial pressurization process, and the pipe axiality after the extrusion is high, simple structure, can once only extrude the operation and can reach the axial extrusion purpose, and the suitability is strong.

Description

Axial extrusion tool and axial extrusion device system
Technical Field
The utility model relates to an axial extrusion instrument's technical field, concretely relates to axial extrusion instrument and axial extrusion device system.
Background
In the process of connecting the catheter axial compression joint, axial compression of the joint is typically performed using an axial compression tool.
The current common extrusion tool has the problems of complex structural design, low reliability, poor maintainability, poor coaxiality of a conduit after extrusion, and the like, and the axial extrusion of the axial extrusion joint can be completed after multiple times of extrusion. Particularly, aiming at the airplane hydraulic conduit assembly with the diameter of 6 mm-25 mm, the requirement on the coaxiality of the conduit during the extrusion process is high, the axial extrusion device which has a simple structure, can complete the extrusion of the axial extrusion joint through one-time extrusion operation and has high coaxiality of the conduit after the extrusion is researched has very important significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problems of complex structure, complex operation and use and poor coaxiality of a conduit after extrusion of an axial extrusion tool in the prior art, the axial extrusion tool, the axial extrusion device system and the use method thereof are provided. The utility model provides an extrusion purpose can once only be accomplished in the extrusion operation to axial extrusion instrument, and the joint body after the extrusion is less with the skew degree of pipe, and the axiality of pipe is high.
In order to realize the purpose, the utility model discloses a technical scheme be:
an axial extrusion tool comprises a limiting mounting seat, an axial ram and a pushing part;
the axial ram includes a first end surface; the top surface of the axial ram is provided with a first groove and a second groove; one end of the first groove is communicated with the first end face; the other end of the first groove is communicated with one end of the second groove; the depth of the first groove is greater than that of the second groove; the width of the first groove is larger than that of the second groove;
the communication surface of the second groove and the first groove is a second end surface, the second end surface is inclined towards the first groove relative to the vertical direction, and the included angle of the second end surface relative to the vertical direction is alpha; the first groove is used for placing a component to be extruded; the second end face is used for contacting with a component to be extruded so as to form an axial extrusion relation;
the axial ram and the pushing part are respectively arranged on the limiting mounting seat; the limiting mounting seat is used for providing a limiting effect for the axial ram and the pushing part;
when one end of the pushing part is pushed, the pushing part and the limiting mounting seat can slide relatively, and the other end of the pushing part can push the axial ram to enable the axial ram to slide and axially extrude the part to be extruded.
The utility model discloses an axial extrusion instrument mainly includes spacing mount pad, axial ram and top portion of pushing away, and the axial ram includes two recesses, and first recess is used for placing and treats the extrusion part, and the second recess is used for holding the pipe, and the terminal surface that the intercommunication face of first recess and second recess formed is used for forming the extrusion contact relation with treating the extrusion part. Spacing mount pad can provide limiting displacement for axial ram and top portion of pushing away, works as the one end of top portion of pushing away receives thrust, top portion of pushing away with spacing mount pad can produce relative sliding, the other end of top portion of pushing away can be through promoting axial ram makes axial ram produce the extrusion of slip axial treat the extrusion part. The position of the axial ram pushed by the pushing portion and the position of the part to be extruded by the axial ram are not on the same horizontal line, so that the problem of moment exists, the pushing force of the pushing portion is large, backward tilting force can occur to the axial ram after stress in the extruding process, and the problems of non-coaxial extrusion, high deviation degree and substandard quality of the axial extruded body are caused. Among the extrusion instrument of this application, the second terminal surface forms alpha's an contained angle to first recess slope, vertical direction relatively, and the extrusion has formed the compensation towards the skew of treating the slope setting of extruded piece to power for under the condition that moment exists, the axial pressurization process can not have the skew, and the pipe axiality after the extrusion is high, and product quality reaches the scale height. And the axial extrusion tool provided by the application has a simple structure, and can achieve the purpose of axial extrusion through one-time extrusion operation.
As the utility model discloses a preferred scheme works as the one end of top portion of pushing away receives thrust, top portion of pushing away with spacing mount pad can produce relative sliding, the other end of top portion of pushing away can be through promoting the bottom of axial ram makes the axial ram produce the extrusion of slip axial and treats the extrusion part.
As the preferred scheme of the utility model, top push portion with the contact of axial ram is connected.
As the utility model discloses a preferred scheme, the second terminal surface is the U profile.
As the preferred scheme of the utility model, the included angle alpha is 0.5-3 degrees.
As a preferable proposal of the utility model, the included angle alpha is designed by the following method,
step 1, calculating a theoretical included angle value by using a formula I; the first formula is as follows: alpha is alpha 1 = arcsin N/L, alpha in formula I 1 Is the theoretical value of included angle in degrees; n is the clearance value between the pushing part and the limiting mounting seat when the pushing part slides; l is the horizontal distance between the farthest end of a friction area generated between the pushing part and the limiting installation seat and the bottom end of the second end face;
step 2, at alpha 1 ～α 1 Selecting a plurality of included angle experimental values within the range of +1 degrees, and respectively preparing the axial ram with different deflection included angles according to different included angle experimental values;
and 3, respectively carrying out axial extrusion tests on the plurality of axial rams obtained in the step 2, respectively detecting the axial offset of the part to be extruded after the axial extrusion, and selecting a deviation included angle value when the axial offset is less than 0.1mm as the value of the included angle alpha.
As a preferred scheme of the present invention, one end of the bottom surface of the second groove close to the second end surface is provided with a square notch, and the notch is communicated with the second end surface; the width of the square notch is 0.4-0.6 times of the width of the first groove. The second groove is U-shaped, axial extrusion force of a left position, a right position and a lower position of the outer ring is axially extruded when no square notch exists, the outer ring has uneven stress, and the problem of poor coaxiality of the extruded axial extrusion joint is further caused. When square notches exist, axial extrusion force of a left position and an axial extrusion force of a right position only exist in the outer ring in the axial extrusion mode, the outer ring is balanced in stress, and the coaxiality of the extruded axial extrusion joint is improved.
As the preferable proposal of the utility model, the device also comprises a guide shaft component and a hydraulic component;
the top surface of the limiting mounting seat is provided with a third groove, the limiting mounting seat comprises a third end surface, a fourth groove is arranged in the third end surface, and the third groove is communicated with the middle part of the fourth groove;
the guide shaft assembly comprises a guide shaft;
the pushing part is a piston structural part and arranged in the fourth groove, the outer wall of the pushing part is connected with the inner wall of the fourth groove in a sealing manner, and the pushing part and the fourth groove can slide relatively;
meanwhile, the axial ram is arranged in the third groove, two side faces of the axial ram are in close contact with the third groove, and the axial ram and the third groove can form relative sliding; a gap is formed between the first end surface and the inner wall of the third groove and used for providing the sliding stroke of the axial ram; the bottom of the axial ram is provided with a first through hole;
the guide shaft sequentially penetrates through the opening of the fourth groove and the first through hole, and then one end face, far away from the opening of the fourth groove, of the guide shaft is fixedly connected with one end face of the pushing part; the width of the guide shaft is smaller than that of the pushing part; the outer wall of the guide shaft is in close contact with the hole wall of the first through hole, and the guide shaft and the first through hole can slide relatively; the hydraulic assembly is communicated with one end, far away from the guide shaft, of the pushing portion, and the hydraulic assembly is used for providing hydraulic thrust for the pushing portion.
As the preferred scheme of the utility model, the top surface of spacing mount pad is provided with the tubing assembly holding surface. As the preferred scheme of the utility model, the top surface of spacing mount pad is provided with the holding surface that connects the body, the holding surface is used for can be right connect spacing effect of support of body.
As the preferred scheme of the utility model, the top pushes away the portion and keeps away from the middle part of a terminal surface of guiding axle is provided with the fifth recess, be provided with the extension spring in the fifth recess, the one end of extension spring with the bottom of fifth recess is connected, the other end of extension spring with the bottom of fourth recess is connected, the extension spring is in tensile state. The arrangement of the tension spring can lead the guide shaft to be automatically reset after being used.
As a preferred scheme of the utility model, a sealing ring is sleeved on the outer wall of the pushing part; the guide shaft assembly further comprises a guide rail fixing seat, a second through hole is formed in the middle of the guide rail fixing seat, the guide rail fixing seat is plugged into the fourth groove, the guide rail fixing seat is fixedly connected with the opening end of the fourth groove, and after the guide shaft sequentially penetrates through the second through hole and the first through hole, one end, far away from the second through hole, of the guide shaft is fixedly connected with one end face of the pushing part; the inner wall of the second through hole is in close contact with the outer part of the guide shaft, and the second through hole and the guide shaft can generate relative sliding.
As the preferred scheme of the utility model, the axial extrusion instrument is used for the axial extrusion of the aircraft hydraulic pressure conduit subassembly that the diameter is 6mm ~ 25 mm.
Another object of the present invention is to provide an axial compression device system including the above axial compression tool.
An axial compression device system comprising a duct assembly and said axial compression tool;
the catheter assembly comprises a connector body, a catheter and an outer ring; one end of the joint body is tightly sleeved outside one end of the guide pipe, the outer ring is sleeved outside the same end of the joint body, and the axial extrusion tool is used for axially extruding the outer ring to move away from the guide pipe so that the outer ring extrudes the joint body and the joint body extrudes the guide pipe;
the first groove is used for placing the outer ring; the second groove is used for accommodating the conduit or the joint body.
The application provides an axial extrusion device system, which comprises a catheter component and an axial extrusion tool, and is simple in structure, high in extrusion coaxiality and an operation method.
As the preferred scheme of the utility model, the top surface of spacing mount pad is provided with and connects the body spacing groove.
As a preferable scheme of the present invention, a depth difference between the first groove and the second groove is greater than a height difference between the outer ring and the duct; the first groove is used for placing the outer ring; the second groove is used for placing the guide pipe, and the guide pipe in the second groove is in a suspended state.
Another object of the present invention is to include a method of using the above axial compression device system.
A method for using the axial compression device system comprises the following steps:
step 1, assembling an axial extrusion tool; the pipe assembly is supported and fixed, the outer ring is placed in the first groove, and the pipe is positioned in the accommodating space of the second groove;
step 2, pressing the joint body to push the pushing part, wherein the pushing part and the limiting mounting seat generate relative sliding, and the pushing part pushes the axial ram so that the second end surface serves as an extrusion surface to axially extrude the outer ring;
and 3, stopping pushing the pushing part, and resetting the axial ram and the pushing part.
The application provides an application method of axial extrusion device system, operation process is simple, can once only extrude the operation and accomplish axial extrusion, and the practicality is strong.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses an axial extrusion instrument mainly includes spacing mount pad, axial ram and top portion of pushing away, and the axial ram includes two recesses, and first recess is used for placing and treats the extrusion part, and the second recess is used for holding the pipe, and the terminal surface that the intercommunication face of first recess and second recess formed is used for forming the extrusion contact relation with treating the extrusion part. Spacing mount pad can provide limiting displacement for axial ram and top portion of pushing away, works as the one end of top portion of pushing away receives thrust, top portion of pushing away with spacing mount pad can produce relative sliding, the other end of top portion of pushing away can be through promoting axial ram makes axial ram produce the extrusion of slip axial treat the extrusion part. Simultaneously, among the extrusion tool of this application, the second end face is to first recess slope, relative vertical direction forms an contained angle of alpha, the extrusion face has formed the compensation to the skew of power towards the slope setting of treating the extruded piece, make under the condition that moment exists, the skew can not exist in the axial pressurization process, the pipe axiality after the extrusion is high, product quality reaches the scale height, the axial extrusion tool simple structure that this application provided, can once only extrude the operation and can reach the axial extrusion purpose, therefore, the clothes hanger is strong in practicability.
2. The application provides an axial extrusion device system, which comprises a catheter component and an axial extrusion tool, and is simple in structure, high in extrusion coaxiality and an operation method.
Drawings
Fig. 1 is a schematic view of the structure of an axial pressing tool in embodiment 1.
Fig. 2 is a schematic structural view of an axial ram in embodiment 1.
Fig. 3 is a schematic cross-sectional view of fig. 2.
Fig. 4 is a schematic structural view of the stopper mounting base in embodiment 1.
Fig. 5 is a schematic cross-sectional view of fig. 4.
Fig. 6 is a sectional structural view of the pushing part in embodiment 1.
Fig. 7 is a sectional structural view of a guide shaft in embodiment 1.
Fig. 8 is a sectional view showing a guide rail fixing base in embodiment 1.
Fig. 9 is a schematic view of the structure of the axial compression tool assembled in example 2.
FIG. 10 is a schematic view showing the structure of an assembled axial compression device system according to example 2.
FIG. 11 is a schematic view showing a structure of an axial compression tool after axial compression in example 2.
FIG. 12 is a schematic view showing the structure of the catheter assembly after axial compression in example 2.
FIG. 13 is a schematic view showing the structure of the catheter assembly after axial compression in example 3.
An icon: 1-a limit mounting seat; 11-a third groove; 13-a third end face; 131-a fourth groove; 14-a sixth groove; 15-a seventh groove; 2-axial ram; 21-a first end face; 211-interval; 22-a first groove; 221-a portion to be extruded; 23-a second groove; 231-a second end face; 232-notch; 24-a first through hole; 3-pushing the part; 31-fifth groove; 311-tension spring; 312-eighth groove; 32-sealing ring; 321-a seal ring groove; 4-a guide shaft assembly; 41-a guide shaft; 42-a guide rail fixing seat; 421-second through hole; 5-a hydraulic assembly; 51-a multi-dimensional universal joint; 52-hydraulic quick plug male head; 53-screws; 6-a catheter assembly; 61-a connector body; 62-a catheter; 63-outer loop.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1, embodiment 1 provides an axial extrusion tool of an aircraft hydraulic conduit assembly with a diameter of 6mm, which comprises a limiting mounting seat 1, an axial ram 2 and an ejector part 3; the device also comprises a guide shaft assembly 4 and a hydraulic assembly 5; the hydraulic assembly includes a multi-dimensional universal joint 51 and a hydraulic quick-connect male 52.
As shown in fig. 2 and 3, the axial ram 2 comprises a first end face 21; the top surface of the axial ram 2 is provided with a first groove 22 and a second groove 23; one end of the first groove 22 is communicated with the first end surface 21; the other end of the first groove 22 is communicated with one end of the second groove 23; the depth of the first groove 22 is greater than the depth of the second groove 23; the width of the first groove 22 is greater than that of the second groove 23; the communication surface between the second groove 23 and the first groove 22 is a second end surface 231, the second end surface 231 is a U-shaped surface, the second end surface 231 inclines to the first groove 22 relative to the vertical direction, and the included angle of the second end surface 23 relative to the vertical direction is 1.4 degrees; the second end surface 231 is a U-shaped surface; preferably, one end of the bottom surface of the second groove 23 close to the second end surface 231 is provided with a notch 232, and the notch 232 is communicated with the second end surface 231; the width of the gap 232 is 0.9 times of the width of the first groove 22; meanwhile, the bottom of the axial ram 2 is provided with a first through hole 24.
As shown in fig. 4 and 5, a third groove 11 is formed in the top surface of the limiting mounting seat 1, the limiting mounting seat 1 includes a third end surface 12, a fourth groove 131 is formed in the third end surface 13, and the third groove 11 is communicated with the middle of the fourth groove 131; meanwhile, a sixth groove 14 is formed in the top surface of the limiting installation seat 1; one end of the sixth groove 14 is communicated with the third end surface 12, the other end of the sixth groove 14 is communicated with the third groove 11, and the sixth groove 14 is used for placing the joint body 61 and providing a supporting and limiting effect for the joint body 61. Said sixth groove 14 forms a support surface for the catheter assembly 6 when the catheter assembly 6 is placed. The bottom of the limiting mounting seat 1 is provided with a seventh groove 15, and the seventh groove 15 is communicated with the bottom of the fourth groove 131.
As shown in fig. 6, the pushing portion 3 is a piston structure, one end surface of the pushing portion 3 is provided with a fifth groove 31, and the other end surface is provided with an eighth groove 312. A sealing ring groove is arranged outside the pushing part 3 close to the opening end position of the fifth groove 31.
The guide shaft assembly 4 comprises a guide shaft 41 shown in fig. 7 and a guide rail fixing seat 42 shown in fig. 8, and a second through hole 421 is formed in the middle of the guide rail fixing seat 42.
In the mounted axial extrusion device, the axial ram 2 is arranged in the third groove 11, two side surfaces of the axial ram 2 are tightly contacted with the third groove 11, and the axial ram 2 and the third groove 11 can form relative sliding; the first end surface 21 and the inner wall of the third groove 11 are provided with a gap 211, and the gap 211 is used for providing the sliding stroke of the axial ram 2. The pushing part 3 is arranged in the fourth groove 131, the outer wall of the pushing part 3 is connected with the inner wall of the fourth groove 131 in a sealing manner, and the pushing part 3 and the fourth groove 131 can slide relatively; a fifth groove 31 is formed in the middle of one end face, away from the guide shaft 41, of the pushing part 3, a tension spring 311 is arranged in the fifth groove 31, one end of the tension spring 311 is connected with the bottom end of the fifth groove 31, the other end of the tension spring 311 is connected with the bottom end of the fourth groove 131, a screw 53 is arranged at the bottom end of the fourth groove 131, and the tension spring 311 is fixedly connected with the screw 53; the tension spring 311 is in a stretched state. Preferably, the outer wall of the pushing part 3 is sleeved with a sealing ring 32. After the guide shaft 41 sequentially passes through the opening of the fourth groove 131 and the first through hole 24, one end face, far away from the opening of the fourth groove 131, of the guide shaft 41 is fixedly connected with one end face of the pushing part 3; the width of the guide shaft 41 is smaller than that of the pushing part 3; the outer wall of the guide shaft 41 is in close contact with the hole wall of the first through hole 24, and the guide shaft 41 and the first through hole 24 can generate relative sliding; the guide rail fixing seat 42 is inserted into the fourth groove 131, the guide rail fixing seat 42 is fixedly connected with an opening end of the fourth groove 131, and after the guide shaft 41 sequentially passes through the second through hole 421 and the first through hole 24, one end of the guide shaft 41, which is far away from the second through hole 421, is fixedly connected with one end face of the pushing part 3; the inner wall of the second through hole 421 is in close contact with the outer part of the guide shaft 41, and the second through hole 421 and the guide shaft 41 can generate relative sliding. The hydraulic quick-plug male head 52 is mounted on the multi-dimensional universal joint 51; and the other steering joint of the multi-dimensional universal joint is connected in the seventh groove, and hydraulic oil can enter the multi-dimensional universal joint through the hydraulic quick-insertion male head and then enter the bottom of the fourth groove so as to push the pushing part 3. The first groove 22 is used for placing a part 221 to be extruded; the second end surface 231 is used for contacting with the part 221 to be pressed so as to form an axial pressing relation; the axial ram 2 and the pushing part 3 are respectively arranged on the limiting mounting seat 1; the limiting mounting seat 1 is used for providing a limiting effect for the axial ram 2 and the pushing part 3; the pushing part 3 is in contact connection with the axial ram 2;
when one end of the pushing portion 3 is pushed, the pushing portion 3 and the limiting mounting seat 1 can slide relatively, and the other end of the pushing portion 3 can push the axial ram 2 to enable the axial ram 2 to slide and axially extrude the part 221 to be extruded.
Example 2 the catheter assembly 6 comprises a connector body 61, a 6mm catheter 62 and an outer ring 63; one end of the connector body 61 is tightly sleeved outside one end of the guide tube 62, and the outer ring 63 is sleeved outside the same end of the connector body 61.
The axial pressing tool is used for axially pressing the outer ring 63 to move away from the guide pipe 62 so that the outer ring 63 presses the connector body 61 and the connector body 61 presses the guide pipe 62;
the outer ring in the 6mm tube 62 was axially pressed using the axial pressing tool described in example 1.
Installing an axial extrusion tool:
(a) A high-pressure resistant sealing ring 32 and a tension spring 311 are arranged on the pushing part 3;
(b) Inserting the pushing part 3 into the fourth groove 131;
(c) Inserting the axial ram 2 adjacently into said third groove 11;
(d) Pressing the guide shaft fixing seat 42 into the fourth groove 131;
(e) Sequentially inserting the guide shaft 41 into the second through hole 421 of the guide shaft fixing seat 42, and pressing the guide shaft 41 into the first through hole 24 of the axial ram 2 and pressing the guide shaft into the eighth groove 312 by interference;
(f) Installing a multi-dimensional universal joint 51 on the limiting installation seat 1;
(g) A hydraulic quick-insertion male connector 52 is fitted to the multi-dimensional universal joint 51. As shown in fig. 9.
Then placing the joint body 61 of the catheter assembly 6 in the sixth groove 14 while placing the outer ring 63 in the first groove 22, the catheter being in the accommodation space of the second groove; as shown in fig. 10. The difference in depth between the first groove 22 and the second groove 23 is greater than the difference in height between the outer ring 63 and the conduit 62; the first groove 22 is used for placing the outer ring 63; the second groove 23 is used for placing the conduit 62, and the conduit 62 in the second groove 23 is in a suspended state.
Step 2, pressing the joint body 61, pushing the pushing part 3 by using hydraulic oil, wherein the pushing part 3 and the limiting mounting seat 1 slide relatively, and the pushing part 3 pushes the axial ram 2 so that the second end surface 231 as an extrusion surface performs axial extrusion on the outer ring 63; as shown in fig. 11.
And 3, stopping conveying the hydraulic oil, rebounding and resetting the pushing part 3 under the action of a tension spring, and resetting the axial ram 2.
The catheter assembly extruded by the axial extrusion tool in the embodiment 2 has the advantages that the axial offset degree of the extruded outer ring is less than 0.1mm, and the coaxiality of the outer ring and the catheter is high. As shown in fig. 12
Example 3
Example 3 an axial pressing tool having the same structure as that of example 1 was provided, except that the included angle α of the axial pressing tool of example 3 was 0 ° 。
The same catheter assembly of example 2 was axially extruded using the axial extrusion tool provided in example 3, as shown in fig. 13, with an axial offset of the extruded outer ring of 0.5mm, and the catheter also formed an offset angle β with less concentricity.
Step 1, calculating a theoretical included angle value by using a formula I; the first formula is as follows: alpha (alpha) ("alpha") 1 = arcsin N/L, alpha in formula I 1 Is the theoretical value of the included angle in degrees; n is a clearance value between the pushing part 3 and the limiting mounting seat 1 when the pushing part 3 slides, and N = Φ a- Φ D in the axial extrusion tool in embodiment 3; as shown in fig. 5, Φ a is 20.39mm in diameter of the fourth groove, Φ D is 20mm in diameter of the pushing portion 3, L is the shortest horizontal distance between the farthest end of the friction area between the pushing portion 3 and the limit seat 1 and the second end surface 231, L is 23mm, and L is shown in fig. 9. Calculating to obtain a theoretical included angle value alpha 1 Is at 1 °
Step 2, selecting 3 included angle experimental values of 1 degree, 1.4 degrees and 1.8 degrees within the range of 1-2 degrees, and respectively preparing the axial ram 2 with different deviation included angles according to the 3 included angle experimental values;
and 3, respectively carrying out axial extrusion tests on the 3 axial rams 2 obtained in the step 2, and respectively detecting the axial deviation degree of the part 221 to be extruded after the axial extrusion, wherein a small included angle still exists at the upper end of the extruded part with the angle of 1 degree, and the angle compensation is too small. A small included angle exists at the lower end of the extruded 1.8 degrees, and the angle compensation is excessive. The extruded outer ring with the angle of 1.4 degrees is parallel to the guide pipe, and the axial offset degree is less than 0.1mm. Finally, the angle of 1.4 ° is selected as the value of the included angle α, and the axial extrusion tool of example 1 is then prepared.
The utility model discloses an axial extrusion instrument mainly includes spacing mount pad, axial ram and top portion of pushing away, and the axial ram includes two recesses, and first recess is used for placing treats the extrusion part, and the second recess is used for holding the pipe, and the terminal surface that the intercommunication face of first recess and second recess formed is used for and treats the extrusion part and form the extrusion contact relation. The limiting mounting seat can provide limiting effect for the axial ram and the pushing portion, when one end of the pushing portion receives thrust, the pushing portion and the limiting mounting seat can generate relative sliding, the other end of the pushing portion can push the axial ram to enable the axial ram to generate sliding axial extrusion to the part to be extruded. Simultaneously, among the extrusion tool of this application, the second end face is to first recess slope, relative vertical direction forms an contained angle of alpha, the extrusion face has formed the compensation to the skew of power towards the slope setting of treating the extruded piece, make under the condition that moment exists, the skew can not exist in the axial pressurization process, the pipe axiality after the extrusion is high, product quality reaches the scale height, the axial extrusion tool simple structure that this application provided, can once only extrude the operation and can reach the axial extrusion purpose, therefore, the clothes hanger is strong in practicability.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. An axial extrusion tool is characterized by comprising a limiting mounting seat (1), an axial ram (2) and a pushing part (3);
the axial ram (2) comprises a first end face (21); a first groove (22) and a second groove (23) are formed in the top surface of the axial ram (2); one end of the first groove (22) is communicated with the first end surface (21); the other end of the first groove (22) is communicated with one end of the second groove (23); the depth of the first groove (22) is greater than the depth of the second groove (23); the width of the first groove (22) is greater than the width of the second groove (23);
the communication surface of the second groove (23) and the first groove (22) is a second end surface (231), the second end surface (231) inclines to the first groove (22) relative to the vertical direction, and the included angle of the second end surface (231) relative to the vertical direction is alpha; the first groove (22) is used for placing a component (221) to be extruded; the second end face (231) is used for contacting with a component (221) to be extruded so as to form an axial extrusion relation;
the axial ram (2) and the pushing part (3) are respectively arranged on the limiting mounting seat (1); the limiting mounting seat (1) is used for providing a limiting effect for the axial ram (2) and the pushing part (3);
when one end of the pushing part (3) is pushed, the pushing part (3) and the limiting mounting seat (1) can slide relatively, and the other end of the pushing part (3) can push the axial ram (2) to enable the axial ram (2) to slide and axially extrude the part (221) to be extruded.
2. The axial compression tool of claim 1, wherein the second end face (231) is U-shaped.
3. The axial compression tool of claim 1, wherein the included angle α is 0.5 ° to 3 °.
4. The axial compression tool as claimed in claim 1, wherein an end of the bottom surface of the second groove (23) close to the second end face (231) is provided with a notch (232), the notch (232) communicating with the second end face (231); the width of the notch (232) is 0.4-0.6 times of the width of the first groove (22).
5. The axial compression tool of claim 1, further comprising a pilot shaft assembly (4), and a hydraulic assembly (5);
a third groove (11) is formed in the top surface of the limiting mounting seat (1), the limiting mounting seat (1) comprises a third end surface (13), a fourth groove (131) is formed in the third end surface (13) inwards, and the third groove (11) is communicated with the middle of the fourth groove (131);
the guide shaft assembly (4) comprises a guide shaft (41);
the pushing part (3) is a piston structural part, the pushing part (3) is arranged in the fourth groove (131), the outer wall of the pushing part (3) is connected with the inner wall of the fourth groove (131) in a sealing manner, and the pushing part (3) and the fourth groove (131) can slide relatively;
meanwhile, the axial ram (2) is arranged in the third groove (11), two side faces of the axial ram (2) are in close contact with the third groove (11), and the axial ram (2) can slide relative to the third groove (11); a gap (211) is formed between the first end face (21) and the inner wall of the third groove (11), and the gap (211) is used for providing the sliding stroke of the axial ram (2); the bottom of the axial ram (2) is provided with a first through hole (24);
after the guide shaft (41) sequentially penetrates through the opening of the fourth groove (131) and the first through hole (24), one end face, far away from the opening of the fourth groove (131), of the guide shaft (41) is fixedly connected with one end face of the pushing part (3); the width of the guide shaft (41) is smaller than that of the pushing part (3); the outer wall of the guide shaft (41) is in close contact with the hole wall of the first through hole (24), and the guide shaft (41) and the first through hole (24) can generate relative sliding;
the hydraulic component (5) is communicated with one end, far away from the guide shaft (41), of the pushing part (3), and the hydraulic component (5) is used for providing hydraulic pushing force for the pushing part (3).
6. The axial extrusion tool according to claim 5, wherein a fifth groove (31) is formed in the middle of one end face, away from the guide shaft (41), of the ejection portion (3), a tension spring (311) is arranged in the fifth groove (31), one end of the tension spring (311) is connected with the bottom end of the fifth groove (31), the other end of the tension spring (311) is connected with the bottom end of the fourth groove (131), and the tension spring (311) is in a stretching state.
7. The axial compression tool as claimed in claim 5, characterized in that the outer wall of the ejector (3) is sleeved with a sealing ring (32); the guide shaft assembly (4) further comprises a guide rail fixing seat (42), a second through hole (421) is formed in the middle of the guide rail fixing seat (42), the guide rail fixing seat (42) is arranged in the fourth groove (131) in a plugging mode, the guide rail fixing seat (42) is fixedly connected with the opening end of the fourth groove (131), and one end, away from the second through hole (421), of the guide shaft (41) is fixedly connected with one end face of the pushing part (3) after the guide shaft (41) sequentially penetrates through the second through hole (421) and the first through hole (24); the inner wall of the second through hole (421) is in close contact with the outer part of the guide shaft (41), and the second through hole (421) and the guide shaft (41) can generate relative sliding.
8. An axial compression device system, comprising a catheter assembly (6) and an axial compression tool according to any of claims 1-7;
the catheter assembly (6) comprises a connector body (61), a catheter (62) and an outer ring (63); one end of the connector body (61) is tightly sleeved outside one end of the guide pipe (62), the outer ring (63) is sleeved outside the same end of the connector body (61), and the axial extrusion tool is used for axially extruding the outer ring (63) to move towards the direction away from the guide pipe (62), so that the outer ring (63) extrudes the connector body (61) and the connector body (61) extrudes the guide pipe (62);
the first groove (22) is used for placing the outer ring (63); the second recess (23) is intended to be able to accommodate the conduit (62) or to accommodate the fitting body (61).
CN202221619124.4U 2022-06-23 2022-06-23 Axial extrusion tool and axial extrusion device system Active CN217596991U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221619124.4U CN217596991U (en) 2022-06-23 2022-06-23 Axial extrusion tool and axial extrusion device system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221619124.4U CN217596991U (en) 2022-06-23 2022-06-23 Axial extrusion tool and axial extrusion device system

Publications (1)

Publication Number Publication Date
CN217596991U true CN217596991U (en) 2022-10-18

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Family Applications (1)

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Country Status (1)

Country Link
CN (1) CN217596991U (en)

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