CN214820968U

CN214820968U - Lamp shell clamping structure for vibration friction welding of automobile lamp

Info

Publication number: CN214820968U
Application number: CN202121421248.7U
Authority: CN
Inventors: 花荣强; 陈海东; 郑锋
Original assignee: Palun Industrial Technology Shanghai Co ltd
Current assignee: Palun Industrial Technology Shanghai Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-11-23
Anticipated expiration: 2031-06-24

Abstract

The utility model belongs to the technical field of the technique of car light vibration friction welding mould and specifically relates to a lamp body chucking structure for vibration friction welding of car lamps and lanterns is related to, it includes the lower bolster and installs the lower module on the lower bolster, set up the resettlement groove that supplies the lamp body to settle down on the module, the intercommunication has been seted up to the lateral wall of lower module the introducing port in resettlement groove, the orientation is gone up on the lower bolster the introducing port is provided with spacing cylinder, just the piston rod of spacing cylinder is fixed with and is used for pushing into the leading port and the limit component of the connection structure of joint lamp body. This application has the stability of settling of improvement lamp body in the vibration friction welding process, reduces the effect of the deformation problem of lamp body.

Description

Lamp shell clamping structure for vibration friction welding of automobile lamp

Technical Field

The application relates to the technical field of car light vibration friction welding moulds, in particular to a lamp shell clamping structure for vibration friction welding of an automobile lamp.

Background

The automobile lamp is mostly made of plastic materials, a common automobile lamp shell is mainly formed by assembling a light distribution lens and a lamp shell, and the assembling of the light distribution lens and the lamp shell is usually carried out by adopting a vibration friction welding process. Therefore, the use of the welding die cannot be avoided in the batch production of the automobile lamp. Vibration welding is a friction welding process in which the parts being welded are rubbed together under pressure until the resulting frictional and shear heat contact surfaces reach a sufficiently molten state. When the set welding depth is reached, the relative movement is stopped, and the welding line is cooled and fixed in the pressure maintaining stage.

Chinese patent No. CN203766024U discloses an automobile rear fog lamp welding mold, which comprises an upper mold plate, a lower mold plate and a guide pillar, wherein the upper mold plate is provided with a plurality of upper modules, adjusting blocks and guide sleeves, and the lower mold plate is provided with a plurality of lower modules, adjusting blocks, guide sleeves and handles; the upper template is connected with the lower template through a guide pillar, the light distribution lens and the lamp housing are respectively installed in the upper module and the lower module, the positions of the upper module and the lower module are adjusted in a limiting mode through the adjusting block I and the adjusting block II, and the vibration friction welding machine is started to carry out sealing connection on the lamp housing and the light distribution lens.

To the above-mentioned correlation technique, the inventor thinks that the appearance structure of car lamps and lanterns is special, and the one side that the lamp body deviates from the lens usually has different connection structure with the corresponding mounting structure of adaptation simultaneously, the mounting groove is seted up in advance in the lower module for the lamp body and connection structure imbed into, the connection structure of lamp body stretches into the back in the lower module, when the drive is gone up the module and is pushed down the lens to the lamp body on, the lamp body is spacing only by the mounting groove of lower module, the relative lens of easily taking place the skew drunkenness, influence the welding of whole lamps and lanterns and form, if produce the clearance, warp serious unable adaptation automobile body etc..

SUMMERY OF THE UTILITY MODEL

In order to improve the settling stability of lamp body vibration friction welding process, this application provides a lamp body chucking structure for vibration friction welding of automobile lamps and lanterns.

The application provides a pair of lamp body clamping structure for vibration friction welding of automobile lamp adopts following technical scheme:

the lamp shell clamping structure for vibration friction welding of the automobile lamp comprises a lower template and a lower module arranged on the lower template, wherein a placing groove for placing the lamp shell is formed in the lower module, a guide-in port communicated with the placing groove is formed in the side wall of the lower module, a limiting cylinder is arranged on the lower template and faces the guide-in port, and a limiting component used for pushing the guide-in port and clamping a connecting structure of the lamp shell is fixed on a piston rod of the limiting cylinder.

By adopting the technical scheme, an operator can flexibly adapt to the limiting component according to the connection structure of the lamp shell, after the lamp shell is arranged in the arrangement groove, the arrangement groove is limited to the base of the lamp shell in pairs, and then the limiting cylinder is driven to push the limiting component into the arrangement groove from the introduction port, so that the limiting component is clamped with the connection structure of the lamp shell, the arrangement stability of the lamp shell in the vibration friction welding process is improved, and the deformation problem of the lamp shell is reduced.

Optionally, the limiting component includes a clamping block mounted on a piston rod of the limiting cylinder, and clamping fingers are relatively fixed on the clamping block;

when the clamping block is guided into the placing groove from the guide-in opening, the connecting structure of the lamp shell is clamped between the clamping fingers.

Through adopting above-mentioned technical scheme, operating personnel arranges the lamp body in the arrangement groove in advance after, and the connection structure of lamp body stretches into the arrangement groove, and the spacing cylinder of drive pushes the clamp splice into the arrangement groove, makes relative clamp indicate to form the joint limiting displacement to lamp body connection structure, improves the problem that reduces the lamp body vibration friction welding in-process and takes place the drunkenness, the arrangement stability of lamp body.

Optionally, the clamping block is relatively provided with a limiting hook for clamping the connection structure of the lamp housing, and the two limiting hooks extend towards one end of the opening of the placement groove relatively and limit the connection structure of the lamp housing to lead out of the placement groove.

Through adopting above-mentioned technical scheme, spacing cylinder pushes the clamp splice and disposes the groove, and the connection structure card of lamp body is gone into between double-phase relative spacing hook, and double-phase spacing hook shape is to the limit action of the connection structure's of lamp body trend of rocking this moment, and double-phase relative spacing hook relatively extends and forms the limit action of deriving the groove trend to lamp body connection structure simultaneously, further improves the lamp body and settles stability.

Optionally, a piston rod of the limiting cylinder is fixed with an installation block for installing the clamping block, a guide rod is fixed on one side of the installation block, which faces the cylinder body of the limiting cylinder, the axial direction of the guide rod is parallel to the axial direction of the piston rod of the limiting cylinder, and a guide hole for inserting the guide rod is formed in the cylinder body of the limiting cylinder.

Through adopting above-mentioned technical scheme, the guide arm cooperation guide hole forms the guide effect to piston rod, installation piece and the clamp splice of spacing cylinder, is favorable to the quick accurate connection structure of centre gripping lamp body of clamp splice, reduces the problem that the connection structure of clamp splice and relative lamp body bumps.

Optionally, a support seat for supporting the connection structure of the lamp housing is arranged in the placement groove.

Through adopting above-mentioned technical scheme, the bearing seat forms the bearing effect to the connection structure of lamp body in the arrangement groove, further improves the arrangement stability of lamp body, and reduces the lamp body vibration friction welding in-process and takes place the problem of warping.

Optionally, a lifting cylinder for driving the bearing seat to lift towards the opening of the placing groove is arranged in the placing groove.

By adopting the technical scheme, after the welding of the lamp shell is completed, an operator ejects the bearing seat towards the opening of the placing groove by starting the lifting cylinder, so that the lamp shell is ejected out quickly, and the operator can take out the welded lamp shell quickly.

Optionally, the lower module is located an installation convex seat is formed on an opening of the installation groove, and the installation convex seat is located an inner wall of the installation groove is provided with a stepped groove for clamping the lamp housing.

Through adopting above-mentioned technical scheme, when operating personnel arranged the lamp body in the groove department of placeeing, lamp body joint ladder groove to further improve the basic stability of placeeing of lamp body.

Optionally, the outer wall of the installation boss is provided with a plurality of limiting grooves for clamping the lamp housing.

Through adopting above-mentioned technical scheme, the lamp body joint settles behind the ladder groove in the convex seat, simultaneously with the mutual joint of a plurality of spacing grooves, further improves the stability of lamp body joint on settling the convex seat.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the base of the lamp shell in the groove shape pair is arranged for limiting, the limiting cylinder is driven to push the limiting component into the arrangement groove from the leading-in port, so that the limiting component is clamped with the connection structure of the lamp shell, the arrangement stability of the lamp shell in the vibration friction welding process is improved, and the deformation problem of the lamp shell is reduced;

2. the support seat has a supporting effect on the connection structure of the lamp shell in the mounting groove, so that the mounting stability of the lamp shell is further improved, and the problem of deformation in the vibration friction welding process of the lamp shell is reduced;

3. the bearing seat is ejected out towards the opening of the placing groove by starting the lifting cylinder, so that an operator can conveniently and quickly take out the welded lamp shell.

Drawings

Fig. 1 is a schematic structural diagram of a lower die plate, a base, a lower die block and a limiting component of a limiting cylinder box in the embodiment of the application.

Fig. 2 is a schematic structural diagram for embodying a backing plate, a limiting block, a bolt, an installation seat, an introduction port, a mounting boss, a stepped groove, a limiting groove and a mounting groove in the embodiment of the present application.

Fig. 3 is a partial structure schematic diagram for embodying the limiting cylinder, the guide rod, the guide hole and the bearing seat in the embodiment of the application.

FIG. 4 is a sectional view of one side of the lower module for embodying the mounting groove for mounting the lamp housing and detaching along the extending direction of the mounting groove in the embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 4, and is used for embodying the structure of the clamping block, the clamping finger and the limit hook.

Reference number specification, 1, lower template; 11. a guide post; 12. a base; 2. a lower module; 21. a base plate; 22. a limiting block; 23. a bolt; 24. a mounting seat; 241. a groove; 25. a placing groove; 26. an inlet port; 27. arranging a convex seat; 28. a stepped groove; 29. a limiting groove; 3. a limiting cylinder; 31. mounting a plate; 32. a guide bar; 33. a guide hole; 34. mounting blocks; 4. a limiting component; 41. a clamping block; 411. a clamping groove; 42. clamping fingers; 43. a limiting hook; 5. a bearing seat; 51. a connecting plate; 52. a support plate; 53. a lifting cylinder; 6. a lamp housing.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses lamp body clamping structure for vibration friction welding of automobile lamp. Referring to fig. 1 and 2, lamp body clamping structure for vibration friction welding of automobile lamp comprises a lower template 1, a base 12 is fixed on the top surface of the lower template 1, a backing plate 21 is installed on the top surface of the base 12, a plurality of limiting blocks 22 are installed on the top surface of the base 12 along the periphery of the backing plate 21, bolts 23 are arranged on the limiting blocks 22 towards the backing plate 21 in a penetrating mode, and the side edges of the backing plate 21 are tightly abutted through the cooperation of the bolts 23 and nuts to form positioning of the backing plate 21. Two lower modules 2 are sequentially installed on the top surface of the backing plate 21 along the length direction of the lower template 1, and guide posts 11 for guiding the upper template to be pressed downwards are arranged on the two end parts of the top surface of the lower template 1 in the length direction of the top surface of the lower template and are perpendicular to the top surface of the lower template 1. The lamp housing 6 is arranged on the top surface of the lower module 2, and the vibration friction welding of the lamp is completed by matching the upper template with the lower template 1 and the lower module 2. The principle that the upper template and the lower template 1 are used in a matching way and the vibration friction welding is the prior art and is not described in detail herein.

Referring to fig. 2 and 3, because the appearance of lamp body 6 is irregular, the mounting groove 25 that supplies lamp body 6 to settle is seted up according to the appearance of lamp body 6 to the top surface of lower module 2, in this application embodiment, lower module 2 itself is assembled the combination by a plurality of modules and is formed and form mounting groove 25, and the top surface of backing plate 21 is located the middle part of module 2 length direction down and is fixed with mount pad 24, and the whole longitudinal section of a plurality of modules and mount pad 24 that constitute lower module 2 this moment becomes the arch.

An upward convex mounting convex seat 27 is formed on the opening of the mounting groove 25 of the lower module 2, a stepped groove 28 is circumferentially arranged on the inner wall of the opening end of the mounting groove 25 of the mounting convex seat 27, and the stepped groove 28 is matched with the peripheral outline of the lamp housing 6. Meanwhile, a plurality of limiting grooves 29 are sequentially formed in the circumferential direction of the outer side wall for arranging the convex seat 27, and the limiting grooves 29 are matched with the convex structure on the lamp shell 6. When the operator arranges the lamp body 6 in the arrangement groove 25, the lamp body 6 joint ladder groove 28 improves the basic arrangement stability of the lamp body 6, and the protruding structure on the periphery of the lamp body 6 is mutually clamped with a plurality of limiting grooves 29, so that the stability of the lamp body 6 in the joint on the arrangement boss 27 is further improved.

Referring to fig. 2 and 3, a set of limiting cylinders 3 is respectively arranged on two opposite sides of the two lower modules 2 on the top surface of the base 12, each set of limiting cylinders 3 is two, the two sets of limiting cylinders 3 correspond to two end portions of the lower modules 2 in the length direction one by one, a mounting plate 31 for fixedly connecting the limiting cylinders 3 is installed on the top surface of the base 12, and the piston rods of the limiting cylinders 3 face the side walls of the corresponding lower modules 2. The side wall of the lower module 2 facing the corresponding limit cylinder 3 is provided with an introducing port 26 communicated with the placing groove 25, and a piston rod of the limit cylinder 3 is fixed with the limit component 4. Operating personnel is according to the nimble adaptation stop part 4 of connection structure of lamp body 6, lamp body 6 is arranged in and is accomplished basic arrangement back on the module 2 down, the connection structure of lamp body 6 all stretches into the arrangement groove 25 in, drive spacing cylinder 3 with stop part 4 by introducing port 26 push into arrangement groove 25, the connection structure of 4 joint lamp body 6 of stop part this moment, be favorable to improving the arrangement stability of lamp body 6 in the vibration friction welding process, stop part 4 forms the bearing effect to the both ends of lamp body 6 simultaneously, be favorable to reducing the deformation problem of lamp body 6.

Referring to fig. 4 and 5, the limiting component 4 includes a clamping block 41 mounted at an end of a piston rod of the limiting cylinder 3, and the clamping block 41 circumferentially rotates around an axial direction of the piston rod of the limiting cylinder 3 until a top end surface of the clamping block 41 faces the connection structure of the lamp housing 6. The end face of the clamping block 41 departing from the limiting cylinder 3 is provided with a clamping groove 411, the clamping groove 411 and the top end of the clamping block 41 form a ladder shape, the groove wall of the clamping groove 411 departing from the limiting cylinder 3 is fixed with a pair of clamping fingers 42, the pair of clamping fingers 42 are sequentially arranged along the extending direction of the connecting structure perpendicular to the lamp housing 6, namely, the two clamping fingers 42 are clamped at the left side and the right side of the part, extending into the clamping groove 411, of the lamp housing 6.

The clamping block 41 is provided with a pair of limiting hooks 43 oppositely fixed on two opposite sides of the clamping fingers 42, and the top ends of the two limiting hooks 43 oppositely extend. The operator drives the limiting cylinder 3 to push the clamping block 41 into the placing groove 25, so that the pair of clamping fingers 42 form a clamping limiting effect on the connection structure of the lamp housing 6. Meanwhile, the connecting structure of the lamp housing 6 is clamped between the two opposite limiting hooks 43, the two opposite limiting hooks 43 form a limiting effect on the swinging trend of the connecting structure of the lamp housing 6 and the limiting effect on the trend of the guiding groove 25, the problem of play in the vibration friction welding process of the lamp housing 6 is reduced, and the arrangement stability of the lamp housing 6 is further improved.

Referring to fig. 3, the piston rod of spacing cylinder 3 is fixed with the installation piece 34 that supplies clamp splice 41 to install, and installation piece 34 is fixed with guide arm 32 towards spacing cylinder 3's cylinder body one side, and the quantity of guide arm 32 can set up to two in the embodiment of this application, and the terminal surface both diagonals end of two guide arms 32 one-to-one spacing cylinder 3's cylinder body, and the axial of guide arm 32 is on a parallel with the axial of spacing cylinder 3's piston rod, corresponds every relative guide arm 32 on spacing cylinder 3's the cylinder body and all has seted up the guide hole 33 that supplies guide arm 32 to insert. The guide rod 32 is matched with the guide hole 33 to form a guide effect on a piston rod of the limiting cylinder 3, the mounting block 34 and the clamping block 41, so that the clamping block 41 can be used for rapidly and accurately clamping the connection structure of the lamp housing 6, and the problem that the clamping block 41 collides with the connection structure of the lamp housing 6 is solved.

Referring to fig. 3 and 4, a groove 241 is formed downward at a portion of the top surface of the mounting seat 24 located in the installation groove 25, a lifting cylinder 53 is fixed to a bottom wall of the groove 241, a piston rod of the lifting cylinder 53 is inclined upward, and an axis of the piston rod of the lifting cylinder 53 is parallel to an extending direction of the connection structure of the corresponding lamp housing 6. The bearing seat 5 is installed to lifting cylinder 53's piston rod tip, and bearing seat 5 is including installing the connecting plate 51 at lifting cylinder 53's piston rod tip, and the extending direction of connecting plate 51 is perpendicular to the axial of lifting cylinder 53 piston rod, and the layer board 52 is installed along the axis of lifting cylinder 53's piston rod respectively at the both ends of connecting plate 51, and two layer boards 52 extend mutually away from each other and can install more bearing pieces additional in order to reach the effect of bearing lamp body 6 according to the connection structure of lamp body 6.

When the piston rod of lifting cylinder 53 was in the contraction state, connecting plate 51 and layer board 52 cooperation bearing lamp body 6's connection structure to make bearing seat 5 whole form the bearing effect to lamp body 6's connection structure in settling tank 25, further improve lamp body 6's settling stability, reduce the problem that the lamp body 6 vibration friction welding in-process takes place to warp. After the welding of the lamp housing 6 is completed, an operator ejects the bearing seat 5 towards the opening of the mounting groove 25 by starting the lifting cylinder 53, so that the lamp housing 6 is ejected quickly, and the operator can take out the welded lamp housing 6 quickly.

The embodiment of the application provides a lamp body clamping structure for vibration friction welding of automobile lamps and lanterns implementation principle does: an operator places the lamp housing 6 in the placing groove 25, so that the outer peripheral wall of the lamp housing 6 is clamped with the stepped groove 28, the protruding structures on the periphery of the lamp housing 6 are clamped with the limiting grooves 29, at the moment, part of the connecting structure of the lamp housing 6 is supported by the connecting plate 51 and the supporting plate 52, then the limiting cylinder 3 is started to push the clamping block 41 into the placing groove 25, the pair of clamping fingers 42 and the pair of limiting hooks 43 are correspondingly clamped to limit the connecting structure of the lamp housing 6, and the whole limiting placement of the lamp housing 6 is completed. After the lamp housing 6 is welded, the lifting cylinder 53 is started to extend out of the piston rod, so that the lamp housing 6 is ejected out of the placing groove 25, and an operator can conveniently replace the lamp housing 6 to be welded again.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a car lamps and lanterns are lamp body chucking structure for vibration friction welding which characterized in that: the lamp shell fixing device is characterized by comprising a lower template (1) and a lower module (2) installed on the lower template (1), wherein a placing groove (25) for placing a lamp shell (6) is formed in the lower module (2), an introducing port (26) communicated with the placing groove (25) is formed in the side wall of the lower module (2), a limiting cylinder (3) is arranged on the lower template (1) in a way of facing the introducing port (26), and a piston rod of the limiting cylinder (3) is fixed with a limiting component (4) used for being pushed into the introducing port (26) and clamped with a connecting structure of the lamp shell (6).

2. The lamp housing clamping structure for vibration friction welding of the automobile lamp according to claim 1, wherein: the limiting component (4) comprises a clamping block (41) arranged on a piston rod of the limiting cylinder (3), and clamping fingers (42) are relatively fixed on the clamping block (41);

when the clamping block (41) is guided into the placing groove (25) through the guide-in opening (26), the connecting structure of the lamp shell (6) is clamped between the opposite clamping fingers (42).

3. The lamp housing clamping structure for vibration friction welding of the automobile lamp according to claim 2, wherein: the clamping block (41) is relatively provided with a limiting hook (43) for clamping the connecting structure of the lamp shell (6), and the two ends of the limiting hook (43) oppositely extend towards one end of the opening of the mounting groove (25) and limit the connecting structure of the lamp shell (6) to lead out of the mounting groove (25).

4. The lamp housing clamping structure for vibration friction welding of the automobile lamp according to claim 2, wherein: the piston rod of spacing cylinder (3) is fixed with the confession installation piece (34) of clamp splice (41) installation, installation piece (34) orientation cylinder body one side of spacing cylinder (3) is fixed with guide arm (32), the axial of guide arm (32) is on a parallel with the axial of the piston rod of spacing cylinder (3), just seted up on the cylinder body of spacing cylinder (3) and supplied guide hole (33) that guide arm (32) inserted.

5. The lamp housing clamping structure for vibration friction welding of the automobile lamp according to claim 1, wherein: and a bearing seat (5) for bearing the connecting structure of the lamp shell (6) is arranged in the placing groove (25).

6. The lamp housing clamping structure for vibration friction welding of the automobile lamp according to claim 5, wherein: and a lifting cylinder (53) used for driving the bearing seat (5) to move towards the opening of the placing groove (25) to lift is arranged in the placing groove (25).

7. The lamp housing clamping structure for vibration friction welding of the automobile lamp according to claim 1, wherein: the lower module (2) is located a mounting convex seat (27) is formed on an opening of the mounting groove (25), and the mounting convex seat (27) is located on the inner wall of the mounting groove (25) is provided with a step groove (28) for clamping the lamp housing (6).

8. The lamp housing clamping structure for vibration friction welding of the automobile lamp according to claim 7, wherein: the outer wall of the arrangement convex seat (27) is provided with a plurality of limiting grooves (29) for clamping the lamp shell (6).