CN220923322U - Platform tool for vibration friction welding - Google Patents
Platform tool for vibration friction welding Download PDFInfo
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- CN220923322U CN220923322U CN202322689649.6U CN202322689649U CN220923322U CN 220923322 U CN220923322 U CN 220923322U CN 202322689649 U CN202322689649 U CN 202322689649U CN 220923322 U CN220923322 U CN 220923322U
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- welding
- lower die
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- 238000003466 welding Methods 0.000 title claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 90
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000047 product Substances 0.000 description 25
- 239000010410 layer Substances 0.000 description 21
- 239000011265 semifinished product Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 2
- 238000004023 plastic welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
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Abstract
The utility model discloses a platform frock for vibration friction welding, the platform frock is through the setting of lift platform and locking mechanism, and the last mould mechanism that can vibrate about setting up its top cooperates the compound die welding that realizes multilayer product together; according to the application, a two-stage lifting structure consisting of the bottom die supporting mechanism and the platform lifting structure is designed, and the lifting motion driving is respectively carried out on the whole lifting platform and the lower model cavity on the welding lower die structure through the matching of the bottom die supporting mechanism and the platform lifting structure in the lifting platform, so that the precision requirement of multi-layer welding can be met; according to the application, the four-side sliding block mechanism and the sliding block side locking mechanism are matched, so that the convenience of taking and placing the products and the fixed position of the sliding block during welding are ensured, the sliding block side locking mechanism is locked in the left and right vibration directions, and dislocation in the horizontal vibration direction between each layer of products in the multilayer welding process due to vibration is prevented when the vibration friction welding equipment works.
Description
Technical Field
The application relates to the technical field of plastic welding, in particular to a platform tool for vibration friction welding.
Background
The traditional connection methods of the plastic parts include screw connection, hasp, press fitting, glue adhesion, welding and the like, and welding is one of the effective methods for permanently connecting the plastic parts in the prior art. The plastic welding process is various, and specifically, ultrasonic welding, vibration friction welding, rotary friction welding, hot gas welding, laser welding, infrared welding and the like are included. The vibration friction welding is very suitable for welding industry of a large-plane compatible thermoplastic material with a welding seam, can realize high-pressure-bearing high-sealing and high-strength welding, and belongs to a very accurate and continuous welding process.
However, the existing welding equipment can only weld single-layer products generally, but can not weld two or more layers of products; corresponding existing welding equipment, the welding mode can only be a depth mode or a time mode, the structure of a product welding mould is single, the existing welding equipment is low in frequency and high in amplitude, welding products are easy to generate scraps, and the requirement of welding multiple layers of products is met through the welding equipment.
Based on the above, the application researches an ultrahigh frequency vibration friction welding device capable of eliminating the problems, which has high frequency and low amplitude, does not generate scraps after welding products, and simultaneously designs a four-side sliding block mechanism and a sliding block side locking mechanism which are matched to clamp and fix the welded products, so that the convenience of taking and placing the products is ensured, the position of the sliding block is fixed during welding, and the lifting mechanism of a movable platform and the lifting mechanism of a middle supporting platform are matched to meet the requirement of multi-layer welding.
Disclosure of utility model
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
The platform tool comprises a welding lower die structure, a lifting platform and a locking mechanism, wherein the welding lower die structure comprises a lower die frame, a lower die cavity and a middle die cavity, the lifting platform is arranged below the lower die frame, lifting of the welding lower die structure can be controlled through the lifting platform, the locking mechanism is arranged above the lower die frame, and products on the welding lower die structure can be locked and fixed through the locking mechanism; the lower die frame comprises a lower die bottom plate, and the locking mechanism is arranged on the lower die bottom plate; the locking mechanism comprises a side locking mechanism and a four-side sliding block mechanism, wherein the four-side sliding block mechanism is arranged around the lower die cavity and can protrude out of the boundary movement with the lower die cavity so as to limit a product in the lower die cavity.
Further, the four-side sliding block mechanism comprises an upper sliding block, a lower sliding block, a left sliding block and a right sliding block, wherein the upper sliding block, the lower sliding block, the left sliding block and the right sliding block are arranged around the lower model cavity, and the upper sliding block, the lower sliding block, the left sliding block and the right sliding block are driven by a linear motor to move respectively.
Further, the side locking mechanism is provided with a plurality of side locking mechanisms and is correspondingly arranged on the left sliding block and the right sliding block respectively.
Further, the side locking mechanism comprises a lock pin and a driving motor, the positions, corresponding to the side locking mechanism, on the left sliding block and the right sliding block are fixedly provided with a buckle, and the lock pin can stretch and retract under the action of the driving motor, so that the lock pin stretches into the buckle.
Further, the lifting platform comprises a bottom die supporting mechanism and a platform lifting structure two-stage lifting structure.
Further, the platform lifting structure comprises toothed chains arranged on the left side and the right side of the lifting platform and a lifting platform fixedly arranged on the toothed chains, and the toothed chains are driven by a servo motor to move so that the lifting platform moves up and down.
Further, the driving mechanism of the toothed chain comprises a gearbox, a transmission shaft and a chain wheel, the servo motor outputs power to the chain wheel through the gearbox and the transmission shaft, and the chain wheel and the toothed chain are matched to drive the lifting platform to do lifting motion.
Further, linear bearings are further arranged on the left side and the right side of the lifting platform, guide rods in the vertical direction are further fixedly arranged on the platform tool, and the guide rods penetrate through the linear bearings to position the lifting platform in the vertical direction.
Further, a displacement sensor is further arranged outside the toothed chain to monitor platform displacement, the displacement sensor comprises a mounting plate and a laser arranged on the mounting plate, the laser is arranged on the mounting plate, and the position of the laser is correspondingly arranged with the position of the lifting platform.
Furthermore, a pressure sensor is further arranged on the welding lower die structure, and the pressure sensor is used for detecting the die closing pressure between the lifting platform and the upper die mechanism after the lifting platform is lifted under the driving of the lifting structure of the platform, and starting welding after the die closing pressure reaches a set value.
Further, the bottom die supporting mechanism comprises a driving motor and a screw rod connected with the driving motor, a nut is matched with the screw rod and moves up and down, and the nut is fixedly arranged on the lower die cavity and drives the lower die cavity to do lifting motion.
Furthermore, guide grooves are formed in the periphery of the lifting platform, sliding rods in the vertical direction are fixedly arranged on the bottom die supporting mechanism, the sliding rods penetrate through the guide grooves, and the sliding rods can be used for positioning in the vertical direction for lifting movement of the bottom die supporting mechanism.
The beneficial effects are that:
(1) The application designs a two-stage lifting structure consisting of a bottom die supporting mechanism and a platform lifting structure, wherein the bottom die supporting mechanism and the platform lifting structure in the lifting platform are matched to drive lifting motion of the whole lifting platform and a lower model cavity on a welding lower die structure respectively, when a multi-layer product is welded, the lifting platform generates die assembly pressure between the lifting platform and an upper die mechanism after lifting under the drive of the platform lifting structure, and welding is started after the die assembly pressure reaches a set value; when the next layer of structure is to be welded after the welding between the previous layers of structures is finished, the lower model cavity structure is lowered, and the welded semi-finished product with the multilayer structure can be moved downwards by a distance of one layer of structure at the moment, so that the welding cooperation of a specific depth with the lower semi-finished product with the multilayer structure and a new layer of welding product is realized during product welding, and the accurate requirement of multilayer welding can be met.
(2) According to the application, the four-side sliding block mechanism and the sliding block side locking mechanism are matched, so that the welded product on the welding lower die structure is clamped and fixed by the four-side sliding block mechanism, the convenience of product taking and placing and the fixed sliding block position during welding are ensured, the sliding block side locking mechanism is locked in the left and right vibration directions, and the dislocation of each layer of product in the horizontal vibration direction in the multi-layer welding process caused by vibration is prevented when the vibration friction welding equipment works.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is an overall view of a platform tooling of the present application;
FIG. 2 is a schematic view of the structure of the platform tooling after the upper mold mechanism and the frame are removed;
FIG. 3 is a top view of the locking mechanism of the present application;
FIG. 4 is an enlarged view of a portion of the present application;
FIG. 5 is a schematic view of a platform lifting structure;
Fig. 6 is a schematic view of a lead screw nut structure.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1-6, the present embodiment provides a platform tool for vibration friction welding, where the platform tool 1 is configured by using a lifting platform 2 and a locking mechanism 3, and is matched with an upper mold mechanism that is configured above and can vibrate left and right to realize mold-closing welding of a multi-layer product.
The platform tool 1 comprises a lower welding die structure, a lifting platform 2 and a locking mechanism 3, wherein the lower welding die structure comprises a lower die frame 101, a lower die cavity 102 and a middle die cavity 103, the lifting platform 2 is arranged below the lower die frame 101, lifting of the lower welding die structure can be controlled through the lifting platform 2, the locking mechanism 3 is arranged above the lower die frame 101, and products on the lower welding die structure can be locked and fixed through the locking mechanism 3.
The lower die frame 101 comprises a lower die bottom plate 104, the locking mechanism 3 is arranged on the lower die bottom plate 104, the locking mechanism 3 comprises a side locking mechanism 301 and a four-sided sliding block mechanism 302, and the four-sided sliding block mechanism 302 is arranged around the lower die cavity 102 and can move convexly with the boundary of the lower die cavity 102 to limit a product in the lower die cavity 102; preferably, the four-sided slide mechanism 302 includes an upper slide 3021, a lower slide 3022, a left slide 3023 and a right slide 3024, the upper slide 3021, the lower slide 3022, the left slide 3023 and the right slide 3024 are disposed around the lower mold cavity 102, and the upper slide 3021, the lower slide 3022, the left slide 3023 and the right slide 3024 are driven to move by linear motors, respectively; the side locking mechanism 301 has a plurality of side locking mechanisms and is correspondingly arranged on the left slide block 3023 and the right slide block 3024 respectively, so that the side locking mechanism is convenient to lock the slide blocks in the vibration direction, and the left slide block 3023 and the right slide block 3024 are prevented from moving when the device works, and dislocation of products is caused.
Preferably, a fine adjustment mechanism 105 is further provided around the outer periphery of the lower mold cavity 102, and the position of the lower mold cavity 102 is moved and positioned by the fine adjustment mechanism 105, so that the lower mold cavity 102 has a fine adjustment function of being integrally moved in the left-right direction and in the front-rear direction.
Further, the side locking mechanism 301 includes a lock pin 3011 and a driving motor 3012, a buckle 3025 is fixedly disposed on the left slider 3023 and the right slider 3024 corresponding to the position of the side locking mechanism 301, and the lock pin 3011 may move in a telescopic manner under the action of the driving motor 3012, so that the lock pin 3011 stretches into the buckle 3025, and locks the left slider 3023 and the right slider 3024 in a left-right vibration direction, so as to prevent dislocation in a horizontal vibration direction between each layer of products in a multi-layer welding process caused by vibration during operation of the vibration friction welding device.
Further, the lifting platform 2 comprises a bottom die supporting mechanism 201 and a platform lifting structure 202, and the lifting mechanism of the movable platform, namely the platform lifting structure, is matched with the lifting mechanism of the welding lower die structure, namely the bottom die supporting mechanism, so as to meet the multi-layer welding requirement of the platform tool; the platform lifting structure 202 comprises toothed chains 2021 arranged on the left side and the right side of the lifting platform 2 and a supporting platform 2022 fixedly arranged on the toothed chains 2021, wherein the toothed chains 2021 are driven by a servo motor to move so as to enable the supporting platform 2022 to lift up and down.
Preferably, the driving mechanism 2023 of the toothed chain comprises a gearbox 2024, a transmission shaft 2025 and a sprocket 2026, the servo motor outputs power to the sprocket 2026 through the gearbox 2024 and the transmission shaft 2025, and the sprocket 2026 cooperates with the toothed chain 2021 to drive the supporting platform 2022 to perform lifting motion.
Preferably, linear bearings 2027 are further disposed on the left and right sides of the support platform 2022, guide rods 2028 in the vertical direction are further fixedly disposed on the platform tool 1, and the guide rods 2028 penetrate through the linear bearings 2027 to position the support platform 2022 in the vertical direction for lifting motion.
In this embodiment, the lifting platform 2 is matched with the lifting mechanism of the bottom die supporting mechanism 201 and the lifting mechanism of the platform lifting structure 202, and when the platform lifting structure 202 works, the supporting platform 2022 is integrally lifted, so that the platform tool 1 arranged on the lifting platform can be driven to integrally lift, and the welding lower die structure is matched with the upper die mechanism which is arranged above the welding lower die structure and can vibrate left and right to realize die assembly welding of a multi-layer product.
Preferably, a displacement sensor 4 is further disposed outside the toothed chain 2021 for platform displacement monitoring, the displacement sensor 4 includes a mounting plate 401 and a laser 402 disposed on the mounting plate 401, the lasers 402 are all disposed on the mounting plate 401, and a position of the laser 402 is disposed corresponding to a position of the supporting platform 2022.
Preferably, a pressure sensor is further disposed on the welding lower die structure, and the pressure sensor is configured to detect a die clamping pressure between the support platform 2022 and the upper die mechanism after the support platform 2022 is lifted under the driving of the platform lifting structure 202, and start welding after the die clamping pressure reaches a set value.
Thus, the displacement sensor of the present embodiment is provided with the laser 402 corresponding to the position of the support platform 2022, thereby realizing a platform displacement monitoring function, and the lifting position of the support platform 2022 can be controlled.
Further, the bottom die supporting mechanism 201 includes a driving motor and a screw rod 2012 connected to the driving motor, a nut 2013 is disposed on the screw rod 2012 in a matching manner and moves up and down, and the nut 2013 is fixedly disposed on the lower die cavity 102 to drive the lower die cavity 102 to move up and down.
Preferably, a guide groove 2029 is further formed around the support platform 2022, a sliding rod 2011 in the vertical direction is further fixedly arranged on the bottom die supporting mechanism 201, the sliding rod 2011 passes through the guide groove 2029, and the sliding rod 2011 can be positioned in the vertical direction for lifting movement of the bottom die supporting mechanism 201.
In this embodiment, when welding a multi-layer product, the bottom die supporting mechanism 201 may lift the lower die cavity 102 structure when the next layer structure is to be welded after the welding between the previous layers of structures is completed, and then the welded multi-layer semi-finished product may be moved downward by a distance of one layer structure, so as to ensure that a specific depth of welding fit is achieved between the welded product and the next multi-layer semi-finished product and a new welded product, and thus, the multi-layer welding requirement may be met.
In the foregoing, only the preferred embodiments of the present invention are described above, but the scope of the present invention is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention should be covered in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. The platform tool for vibration friction welding is characterized by comprising a welding lower die structure, a lifting platform and a locking mechanism, wherein the welding lower die structure comprises a lower die frame, a lower die cavity and a middle die cavity, the lifting platform is arranged below the lower die frame, lifting of the welding lower die structure can be controlled through the lifting platform, the locking mechanism is arranged above the lower die frame, and products on the welding lower die structure can be locked and fixed through the locking mechanism; the lower die frame comprises a lower die bottom plate, and the locking mechanism is arranged on the lower die bottom plate; the locking mechanism comprises a side locking mechanism and a four-side sliding block mechanism, wherein the four-side sliding block mechanism is arranged around the lower die cavity and can protrude out of the boundary movement with the lower die cavity so as to limit a product in the lower die cavity.
2. The platform tooling for vibration friction welding of claim 1, wherein: the four-side sliding block mechanism comprises an upper sliding block, a lower sliding block, a left sliding block and a right sliding block, wherein the upper sliding block, the lower sliding block, the left sliding block and the right sliding block are arranged around the lower model cavity, and the upper sliding block, the lower sliding block, the left sliding block and the right sliding block are driven by a linear motor to move respectively.
3. The platform tooling for vibration friction welding according to claim 2, wherein: the side locking mechanisms are provided with a plurality of side locking mechanisms and are respectively and correspondingly arranged on the left sliding block and the right sliding block.
4. A platform tooling for vibration friction welding according to claim 3, wherein: the side locking mechanism comprises a lock pin and a driving motor, the positions, corresponding to the side locking mechanism, on the left sliding block and the right sliding block are fixedly provided with eye-splice, and the lock pin can stretch and retract under the action of the driving motor so that the lock pin stretches into the eye-splice.
5. The platform tooling for vibration friction welding of claim 1, wherein: the lifting platform comprises a bottom die supporting mechanism and a platform lifting structure two-stage lifting structure.
6. The platform tooling for vibration friction welding of claim 5, wherein: the platform lifting structure comprises toothed chains arranged on the left side and the right side of the lifting platform and the lifting platform fixedly arranged on the toothed chains, and the toothed chains are driven by a servo motor to move so that the lifting platform can move up and down.
7. The platform tooling for vibration friction welding of claim 6, wherein: the driving mechanism of the toothed chain comprises a gearbox, a transmission shaft and a chain wheel, wherein the servo motor outputs power to the chain wheel through the gearbox and the transmission shaft, and the chain wheel and the toothed chain are matched to drive the lifting platform to do lifting motion.
8. The platform tooling for vibration friction welding of claim 7, wherein: the left side and the right side of the lifting platform are also provided with linear bearings, guide rods in the vertical direction are also fixedly arranged on the platform tool, and the guide rods penetrate through the linear bearings to position the lifting platform in the vertical direction.
9. The platform tooling for vibration friction welding of claim 8, wherein: the outside of tooth-shaped chain still is provided with displacement sensor and is the platform displacement monitoring, displacement sensor includes the mounting panel and sets up laser instrument on the mounting panel, the laser instrument is all in the portion sets up on the mounting panel, the position of laser instrument with the position correspondence setting of lift platform.
10. The platform tooling for vibration friction welding of claim 6, wherein: the welding lower die structure is also provided with a pressure sensor, and the pressure sensor is used for detecting the die closing pressure between the lifting platform and the upper die mechanism after the lifting platform is lifted under the driving of the platform lifting structure, and starting welding after the die closing pressure reaches a set value.
11. The platform tooling for vibration friction welding of claim 5, wherein: the bottom die supporting mechanism comprises a driving motor and a screw rod connected with the driving motor, a nut is matched with the screw rod and moves up and down, and the nut is fixedly arranged on the lower die cavity and drives the lower die cavity to do lifting motion.
12. The platform tooling for vibration friction welding of claim 11, wherein: the lifting platform is characterized in that guide grooves are formed in the periphery of the lifting platform, sliding rods in the vertical direction are fixedly arranged on the bottom die supporting mechanism, the sliding rods penetrate through the guide grooves, and the sliding rods can be used for positioning in the vertical direction for lifting movement of the bottom die supporting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322689649.6U CN220923322U (en) | 2023-10-08 | 2023-10-08 | Platform tool for vibration friction welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322689649.6U CN220923322U (en) | 2023-10-08 | 2023-10-08 | Platform tool for vibration friction welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220923322U true CN220923322U (en) | 2024-05-10 |
Family
ID=90962542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322689649.6U Active CN220923322U (en) | 2023-10-08 | 2023-10-08 | Platform tool for vibration friction welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220923322U (en) |
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2023
- 2023-10-08 CN CN202322689649.6U patent/CN220923322U/en active Active
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