CN114029405B - Thermoforming binding off device - Google Patents
Thermoforming binding off device Download PDFInfo
- Publication number
- CN114029405B CN114029405B CN202111325421.8A CN202111325421A CN114029405B CN 114029405 B CN114029405 B CN 114029405B CN 202111325421 A CN202111325421 A CN 202111325421A CN 114029405 B CN114029405 B CN 114029405B
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- Prior art keywords
- inner support
- connecting seat
- block
- workpiece
- necking
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- 238000003856 thermoforming Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 10
- 239000002184 metal Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
Abstract
The invention discloses a thermoforming closing device, which comprises a lower die provided with a workpiece mounting groove, an upper die provided with a closing inclined plane, a driving seat used for driving the upper die to press downwards and closing a workpiece in the workpiece mounting groove, a conical guide block and an inner supporting mechanism used for abutting against the inner wall of the workpiece, wherein the inner supporting mechanism comprises a connecting seat used for being driven by the driving seat to lift, a plurality of inner supporting blocks which are in sliding connection with the connecting seat and are arranged around the conical guide block, and an elastic reset assembly used for pushing the inner supporting blocks to the conical guide block, and the inner supporting blocks are used for being pushed to be abutted against the inner wall of the workpiece by the conical guide block when being lowered. According to the thermoforming necking device provided by the invention, the upper die is driven to descend by the driving seat to carry out necking, the inner supporting mechanism is synchronously driven to descend, the plurality of inner supporting blocks are gradually supported by the guiding action of the conical guiding blocks, the inner wall of a workpiece is automatically abutted before the necking process, and the necking effect is ensured.
Description
Technical Field
The invention relates to the technical field of metal plate machining of aero-engines, in particular to a hot forming closing device for metal plate machining of aero-engines.
Background
At present, for the necking process of the metal plate workpiece of the aeroengine, when the elasticity of a material adopted by the workpiece is high, in order to control rebound, a material or a thermal forming mode that the material and a die are heated simultaneously is generally adopted for necking, for example, the workpiece is heated to about 900 ℃, and then the workpiece is put into the die for necking forming.
However, when the outer wall extrusion binding off to the work piece, still need support at the inner wall packing type piece of work piece, in order to make the work piece can normally drawing of patterns take out, need set up the type piece into the piecemeal and inlay the piece and splice the structure, lead to need operating personnel to put the type piece one by one to the work piece inside of heating state before the part binding off, be difficult to guarantee operation safety to when the internal diameter of work piece is great, the volume and the weight of type piece also can improve, and manual operation's intensity of labour is higher. Secondly, the operation time consuming time of putting the type piece one by one is longer, and the part after heating can be cooled down fast in the mould, leads to unable accurate control temperature, influences the resilience control effect.
Disclosure of Invention
The invention provides a hot forming closing device, which aims to solve the technical problem that the inner wall of a workpiece is difficult to support efficiently when the workpiece is closed.
The utility model provides a thermoforming binding off device, includes the lower mould that is equipped with the work piece mounting groove, locates the top of work piece mounting groove and be equipped with the last mould of binding off inclined plane, and be used for driving go up the mould pushes down and pass through binding off inclined plane is right the drive seat that the work piece in the work piece mounting groove was carried out the binding off, thermoforming binding off device is still including locating the toper guide block in the work piece mounting groove with locate be used for in the internal stay mechanism of butt work piece inner wall on the drive seat, internal stay mechanism include with the drive seat be connected and be used for by the drive seat drives the connecting seat sliding connection and encircle a plurality of internal stay piece that the toper guide block set up, and be used for with internal stay piece push to the elasticity reset assembly of toper guide block, internal stay piece butt toper guide block is used for when descending by toper guide block promotes to the state of butt work piece inner wall.
Preferably, the inner support blocks comprise a plurality of first inner support blocks which are distributed around the conical guide blocks at equal intervals and second inner support blocks which are arranged between two adjacent first inner support blocks, and a avoidance notch for accommodating the second inner support blocks is formed in one side of each first inner support block, which faces the second inner support block.
More preferably, the first inner support block is provided with a first limiting wall in the avoidance notch, and the second inner support block comprises a second limiting wall which is abutted against the first limiting wall and used for sliding along the first limiting wall.
Preferably, the internal support mechanism further comprises a compression spring arranged between the driving seat and the connecting seat along the vertical direction, and the connecting seat is connected with the driving seat through the compression spring and can move up and down relative to the driving seat.
Further, the internal support mechanism further comprises a first guide post which is arranged in the vertical direction of the driving seat towards one end of the connecting seat, a first guide sleeve which is arranged on the connecting seat and is matched with the first guide post, the connecting seat is sleeved with the first guide post through the first guide sleeve and can slide along the first guide post in a lifting manner, and the compression spring is sleeved on the first guide post.
Preferably, the internal bracing mechanism further comprises a self-lubricating slide plate arranged at the outer edge of the connecting seat and abutted against the upper die, and the self-lubricating slide plate is used for lifting and sliding along the upper die.
Preferably, the thermal forming closing device further comprises a second guide post and a second guide sleeve sleeved on the second guide post and capable of sliding relative to the second guide post, wherein one of the second guide post and the second guide sleeve is arranged on the lower die, and the other of the second guide post and the second guide sleeve is arranged on the driving seat.
Further, the elastic reset component comprises a sliding block which is connected with the connecting seat in a sliding way along the radial direction and a reset spring which is sprung between the sliding block and the connecting seat along the radial direction, and the inner supporting block is connected with the sliding block.
Furthermore, the connecting seat is provided with a guide groove extending along the radial direction, and the sliding block is slidably embedded in the guide groove.
Further, the inner support block is detachably connected with the sliding block.
The invention has the following beneficial effects:
according to the thermoforming necking device provided by the invention, the upper die is driven to descend by the driving seat to carry out necking, the inner supporting mechanism can be synchronously driven to descend, the inner supporting blocks are gradually supported by the guiding action of the conical guide blocks, so that the inner supporting blocks are completely attached to the inner wall of a workpiece, the inner wall of the workpiece is automatically abutted before the necking process, the manpower and material resources are effectively saved compared with the operation mode of manually placing the inner supporting blocks one by one, the personnel safety is avoided, the processing efficiency is improved, the matching precision relative to the inner wall of the workpiece is higher, and the necking effect is ensured. Secondly, when closing up is completed and the upper die is driven to rise through the driving seat, the inner supporting blocks can be synchronously driven to rise, and the inner supporting blocks can be pushed to the conical guide blocks through the elastic reset assembly to realize folding and retreating in the rising process, so that the inner wall of the workpiece is automatically separated, and the workpiece is conveniently demoulded and taken out. And because the hot forming closing-in device can reduce manual operation steps, the closing-in action of the workpiece is fully automatically completed, so that the workpiece can be closed in a high-temperature state environment, the forming rebound of the workpiece is effectively controlled, the stable forming of the workpiece is realized, and the dimension consistency of the workpiece is ensured.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a state diagram of a workpiece closing-in change for a hot forming closing-in apparatus according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a thermal forming necking-in apparatus in accordance with one embodiment of the present invention;
FIG. 3 is a cross-sectional view of the thermoformed necking-in apparatus of FIG. 2 in an alternative use configuration;
FIG. 4 is a cross-sectional view of the assembled structure of the inner stay and tapered guide block of FIG. 2;
FIG. 5 is a top view of the assembly of the inner support block and the tapered guide block shown in FIG. 2;
FIG. 6 is a cross-sectional view of the assembled structure of the inner support mechanism and tapered guide block shown in FIG. 2;
fig. 7 is a top view of the assembly structure of the inner support mechanism and the tapered guide block shown in fig. 2.
Legend description:
1. a thermoforming closing-in device; 11. a lower die; 111. a workpiece mounting groove; 12. an upper die; 121. closing up the inclined plane; 13. a driving seat; 14. a conical guide block; 15. an inner support mechanism; 151. a connecting seat; 1511. a guide groove; 152. an inner support block; 1521. a first inner support block; 1522. a second inner support block; 1523. avoiding the notch; 1524. a first limiting wall; 1525. the second limiting wall; 153. an elastic reset assembly; 1531. a slide block; 1532. a return spring; 154. a compression spring; 155. a first guide post; 156. a self-lubricating slide plate; 16. a second guide post; 17. a second guide sleeve; 2. a workpiece.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be practiced in a number of different ways, as defined and covered below.
Fig. 2 to 7 together show a hot forming necking device provided by the embodiment of the invention, which is used for necking a workpiece in a high temperature state, and can automatically support the inner wall of the workpiece and automatically withdraw from the workpiece, so that the safety of operators is effectively ensured, the processing efficiency is improved, and the necking precision is ensured.
In fig. 1, a process of closing up a workpiece 2 suitable for the hot forming closing up device is shown, the thickness of the workpiece 2 is 0.8mm, the material is made of martensitic stainless steel, and because the material has large rebound when being formed, the shape is not easy to control, and in order to control the rebound when the workpiece 2 is closed up, the closing up is usually carried out by adopting a hot forming mode that the material or the material and a die are heated simultaneously.
As shown in fig. 2, the thermal forming necking device 1 includes a lower die 11, an upper die 12 and a driving seat 13, a workpiece mounting groove 111 adapted to the bottom end of the workpiece 2 is provided on the upper surface of the lower die 11 and used for mounting the workpiece 2, the upper die 12 is disposed above the workpiece mounting groove 111 and provided with a necking inclined surface 121, the necking inclined surface 121 is used for extruding the outer wall of the workpiece 2 in the workpiece mounting groove 111 and necking the workpiece 2 when the upper die 12 descends, the upper die 12 is detachably disposed on the driving seat 13, and the driving seat 13 is used for being connected with a machine tool and driven by the machine tool to ascend and descend, so that the upper die 12 is driven by the driving seat 13 to finish a necking process in a descending manner or ascend and exit the workpiece 2.
Preferably, the thermal forming necking device 1 further comprises a conical guide block 14 and an internal supporting mechanism 15, wherein the conical guide block 14 is arranged at the center position of the workpiece mounting groove 111, and the outer diameter of the conical guide block 14 in the direction from the top to the bottom of the conical guide block is gradually increased. The inner support mechanism 15 includes a connection base 151 connected to the driving base 13 and driven to lift by the driving base 13, a plurality of inner support blocks 152 slidably connected to the connection base 151 in a horizontal direction and disposed around the tapered guide block 14, and an elastic reset component 153 for pushing the inner support blocks 152 toward the tapered guide block 14, where the inner support blocks 152 abut against the tapered guide block 153. When the inner supporting mechanism 15 is driven to descend, the inner supporting blocks 152 can be pushed by the conical guiding blocks 153 along the inclined outer surfaces of the conical guiding blocks 153 to a state of abutting against the inner wall of the workpiece 2, so that automatic unfolding is realized; when the inner support mechanism 15 is driven to rise, the inner support blocks 152 can gradually retract to a position close to the central line of the conical guide block 153 along the inclined outer surface of the conical guide block 153 under the action of the elastic force of the elastic reset component 153, so as to realize automatic folding and retraction.
Please combine fig. 2 and fig. 3, wherein, fig. 2 shows the state that the inner supporting block 152 is folded, fig. 3 shows the state that the inner supporting block 152 is unfolded, in the thermoforming closing-in device 1, when the driving seat 13 drives the upper die 12 to descend for closing in, the inner supporting mechanism 15 can be synchronously driven to descend and a plurality of inner supporting blocks 152 are gradually unfolded through the guiding action of the conical guiding block 14, so that a plurality of inner supporting blocks 152 are integrally attached to the inner wall of the workpiece 2, the inner wall of the workpiece is automatically abutted before the closing-in procedure, compared with the operation mode that the inner supporting blocks are manually placed one by one, manpower and material resources are effectively saved, the operator is prevented from being scalded by the high-temperature workpiece, the safety of the operator is ensured, the processing efficiency is improved, the matching precision relative to the inner wall of the workpiece is higher, and the closing-in effect is ensured. Secondly, when closing is completed and the upper die 12 is driven to ascend by the driving seat 13, the inner supporting blocks 152 can be synchronously driven to ascend, and the inner supporting blocks 152 can be pushed to the conical guide blocks 14 by the elastic reset assemblies 153 in the ascending process to realize folding and retreating, so that the inner walls of the workpieces 2 are automatically separated, and the demolding and the taking out of the workpieces are facilitated. Because the hot forming closing-in device 1 can reduce manual operation steps, the closing-in action of the workpiece 2 is fully automatically completed, so that the workpiece 2 can be closed in a high-temperature state environment, the forming rebound of the workpiece 2 is effectively controlled, the stable forming of the workpiece 2 is realized, and the consistency of the workpiece size is ensured.
Referring to fig. 4 and 5, the inner support blocks 152 include a plurality of first inner support blocks 1521 that are equidistantly arranged around the tapered guide block 14, and a second inner support block 1522 that is disposed between two adjacent inner support blocks 1521, at least one second inner support block 1522 is disposed between each two adjacent inner support blocks 1521, and a side of the first inner support block 1521 facing the second inner support block 1522 is provided with a recess 1523 for accommodating the second inner support block 1522. When the first inner support block 1521 and the second inner support block 1522 move toward the tapered guide block 14 at the same time, the second inner support block 1522 slides into the avoidance gap 1523, so as to avoid mutual interference of the retraction actions of the first inner support block 1521 and the second inner support block 1522. Therefore, the edges of the first inner support block 1521 and the second inner support block 1522 after being unfolded can be tightly attached, and the whole inner wall of the workpiece 2 is completely supported, so that the support is ensured to be in place.
Preferably, the first inner support block 1521 is provided with a first limiting wall 1524 in the avoidance gap 1523, the second inner support block 1522 includes a second limiting wall 1525 that abuts against the first limiting wall 1524 and is used for sliding along the first limiting wall 1524, and the second limiting block 1522 is capable of sliding into the avoidance gap 1523 through guiding cooperation of the second limiting wall 1525 and the first limiting wall 1524, so as to ensure stability and smoothness of movement, and avoid a clamping stagnation phenomenon.
Referring to fig. 6 and 7, the elastic restoring assembly 153 includes a slider 1531 slidably connected to the connection base 151 along a radial direction of the connection base 151 (a direction approaching or separating from the tapered guide block 14), and a restoring spring 1532 elastically pressed between the slider 1531 and the connection base 151 along the radial direction of the connection base 151, wherein the inner support block 152 is connected to the slider 1531, and the restoring spring 1532 applies a force to the inner support block 152 toward the tapered guide block 14.
Further, the connection base 151 is provided with a guide groove 1511 extending along a radial direction of the connection base 151, the sliding block 1531 is slidably embedded in the guide groove 1511, and the sliding block 1531 is guided and limited by the guide groove 1511, so as to ensure the stability of the sliding block 1531 in moving, thereby avoiding the deviation and dislocation of the inner support block 152.
Furthermore, the inner support blocks 152 are detachably connected with the sliding blocks 1531, so that the inner support blocks 152 can be conveniently disassembled and assembled, and the inner support blocks 152 with different specifications can be replaced when the workpieces with different shapes are closed, so that the applicability is improved.
As shown in fig. 2 and 3, the inner support mechanism 15 further includes a compression spring 154 disposed between the driving seat 13 and the connection seat 151 along a vertical direction, the connection seat 151 is connected with the driving seat 13 through the compression spring 154 and can move up and down relative to the driving seat 13, so that an initial height of the inner support block 152 can be set to be lower than an initial height of the upper die 12, when the driving seat 13 drives the inner support mechanism 15 to wholly descend, the inner support block 152 contacts the workpiece 2 and fully abuts against an inner wall of the workpiece 2, then the driving seat 13 can further descend while the inner support block 152 maintains a fixed position under a buffering action of the compression spring 154, and further drives the upper die 12 to descend to complete a closing procedure.
Further, the inner support mechanism 15 further includes a first guide post 155 disposed along a vertical direction on the driving seat 13 and facing one end of the connection seat 151, a first guide sleeve (not shown in the drawings, the same applies below) disposed on the connection seat 151 and adapted to the first guide post 155, the connection seat 151 is sleeved with the first guide post 155 through the first guide sleeve and can slide along the first guide post 155 in a lifting manner, and the compression spring 154 is sleeved on the first guide post 155. The stability of the lifting movement of the connecting seat 151 relative to the driving seat 13 is improved through the guiding cooperation of the first guiding column 155 and the first guiding sleeve, and the compression spring 154 is better fixed, so that the dislocation of the compression spring 154 during the spring pressing is avoided.
As shown in fig. 7, preferably, the internal support mechanism 15 further includes a self-lubricating slide plate 156 disposed at an outer edge of the connection seat 151 and abutting against the upper die 12, the self-lubricating slide plate 156 is used for lifting and sliding along the upper die 12, the self-lubricating slide plate 156 is made of a graphite embedded high-force brass material with a self-lubricating effect, and has excellent bearing performance and wear resistance, so that sliding between the connection seat 151 and the upper die 12 is smoother, and abrasion to the upper die 12 is avoided.
As shown in fig. 2 and 3, the thermal forming necking device 1 further includes a second guide post 16 and a second guide sleeve 17 sleeved on the second guide post 16 and capable of sliding relative to the second guide post 16, one of the second guide post 16 and the second guide sleeve 17 is disposed on the lower die 11, the other is disposed on the driving seat 13, and stability and precision of the driving seat 13 relative to the lower die 11 are ensured by guiding cooperation of the second guide post 16 and the second guide sleeve 17.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The hot forming necking device comprises a lower die (11) provided with a workpiece mounting groove (111), an upper die (12) arranged above the workpiece mounting groove (111) and provided with a necking inclined surface (121), and a driving seat (13) used for driving the upper die (12) to press down and necking the workpiece (2) in the workpiece mounting groove (111) through the necking inclined surface (121), and is characterized by further comprising a conical guide block (14) arranged in the workpiece mounting groove (111) and an inner supporting mechanism (15) arranged on the driving seat (13) and used for abutting against the inner wall of the workpiece (2), wherein the inner supporting mechanism (15) comprises a connecting seat (151) connected with the driving seat (13) and used for being driven to lift by the driving seat (13), a plurality of inner supporting blocks (152) connected with the connecting seat (151) in a sliding manner and arranged around the conical guide block (14), and an elastic supporting component (152) used for pushing the inner supporting blocks (152) to the conical guide block (14) to be abutted against the inner wall (14) when the conical guide block (14) is pushed down;
the elastic reset assembly (153) comprises a sliding block (1531) which is slidably connected with the connecting seat (151) along the radial direction of the connecting seat (151) and a reset spring (1532) which is sprung between the sliding block (1531) and the connecting seat (151) along the radial direction of the connecting seat (151), the inner support block (152) is connected with the sliding block, and elastic acting force is applied to the inner support block (152) along the direction towards the conical guide block (14) through the reset spring (1532);
the connecting seat (151) is provided with a guide groove (1511) extending along the radial direction of the connecting seat (151), and the sliding block (1531) is slidably embedded in the guide groove (1511);
the inner support blocks (152) comprise a plurality of first inner support blocks (1521) which are equidistantly distributed around the conical guide block (14) and second inner support blocks (1522) which are arranged between two adjacent first inner support blocks (1521), and a avoidance gap (1523) for accommodating the second inner support blocks (1522) is formed in one side of each first inner support block (1521) facing the corresponding second inner support block (1522);
the first inner support block (1521) is provided with a first limiting wall (1524) in the avoidance notch (1523), and the second inner support block (1522) comprises a second limiting wall (1525) which is abutted against the first limiting wall (1524) and used for sliding along the first limiting wall (1524).
2. The thermoforming necking device according to claim 1, characterized in that the internal bracing mechanism (15) further comprises a compression spring (154) arranged between the driving seat (13) and the connecting seat (151) along the vertical direction, wherein the connecting seat (151) is connected with the driving seat (13) through the compression spring (154) and can move up and down relative to the driving seat (13).
3. The thermoforming necking device according to claim 2, wherein the internal bracing mechanism (15) further comprises a first guide post (155) arranged on the driving seat (13) towards one end of the connecting seat (151) along the vertical direction, a first guide sleeve arranged on the connecting seat (151) and matched with the first guide post (155), the first guide post (155) is sleeved on the connecting seat (151) through the first guide sleeve, the first guide post (155) can be lifted and slid along the first guide post (155), and the compression spring (154) is sleeved on the first guide post (155).
4. The thermoforming necking-in device according to claim 1, characterized in that the internal bracing mechanism (15) further comprises a self-lubricating slide plate (156) arranged at the outer edge of the connecting seat (151) and abutting against the upper die (12), wherein the self-lubricating slide plate (156) is used for lifting and sliding along the upper die (12).
5. The thermoforming necking device according to claim 1, further comprising a second guide post (16) and a second guide sleeve (17) sleeved on the second guide post (16) and capable of sliding relative to the second guide post (16), wherein one of the second guide post (16) and the second guide sleeve (17) is arranged on the lower die (11), and the other is arranged on the driving seat (13).
6. The thermoformed necking device of claim 1, wherein the inner support block (152) is detachably connected to the slide (1531).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111325421.8A CN114029405B (en) | 2021-11-10 | 2021-11-10 | Thermoforming binding off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111325421.8A CN114029405B (en) | 2021-11-10 | 2021-11-10 | Thermoforming binding off device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114029405A CN114029405A (en) | 2022-02-11 |
| CN114029405B true CN114029405B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111325421.8A Active CN114029405B (en) | 2021-11-10 | 2021-11-10 | Thermoforming binding off device |
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| Country | Link |
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| CN (1) | CN114029405B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117655219A (en) * | 2023-12-18 | 2024-03-08 | 汇润机电有限公司 | Closing-in and tangential-point integrated tool of fuel pump |
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| CN204035357U (en) * | 2014-08-22 | 2014-12-24 | 四川君格机械制造有限公司 | A kind of tire rim extension die |
| CN205463911U (en) * | 2016-01-20 | 2016-08-17 | 东莞市铭科精技五金制品有限公司 | Bilateral fashioned slider device simultaneously |
| CN106424426A (en) * | 2016-12-07 | 2017-02-22 | 贵州黎阳航空动力有限公司 | Device and method for closing up double-layer wall large-taper inner cone |
| CN108031749A (en) * | 2017-12-06 | 2018-05-15 | 佛山市顺德区和协模具制造有限公司 | A kind of inner slide shrinkage die |
| JP2020040073A (en) * | 2018-09-06 | 2020-03-19 | 株式会社三五 | Pipe end diameter expansion/reduction device |
| CN112974641A (en) * | 2021-02-04 | 2021-06-18 | 丹源医学科技(杭州)有限公司 | Metal shell structure of implantable medical device and forming method |
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2021
- 2021-11-10 CN CN202111325421.8A patent/CN114029405B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204035357U (en) * | 2014-08-22 | 2014-12-24 | 四川君格机械制造有限公司 | A kind of tire rim extension die |
| CN205463911U (en) * | 2016-01-20 | 2016-08-17 | 东莞市铭科精技五金制品有限公司 | Bilateral fashioned slider device simultaneously |
| CN106424426A (en) * | 2016-12-07 | 2017-02-22 | 贵州黎阳航空动力有限公司 | Device and method for closing up double-layer wall large-taper inner cone |
| CN108031749A (en) * | 2017-12-06 | 2018-05-15 | 佛山市顺德区和协模具制造有限公司 | A kind of inner slide shrinkage die |
| JP2020040073A (en) * | 2018-09-06 | 2020-03-19 | 株式会社三五 | Pipe end diameter expansion/reduction device |
| CN112974641A (en) * | 2021-02-04 | 2021-06-18 | 丹源医学科技(杭州)有限公司 | Metal shell structure of implantable medical device and forming method |
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| Publication number | Publication date |
|---|---|
| CN114029405A (en) | 2022-02-11 |
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