CN110560878A

CN110560878A - Ultrasonic welding fixture

Info

Publication number: CN110560878A
Application number: CN201910804318.8A
Authority: CN
Inventors: 杨文龙
Original assignee: Shenzhen Deep Source Precision Technology Co Ltd
Current assignee: Shenzhen Deep Source Precision Technology Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2019-12-13
Anticipated expiration: 2039-08-28
Also published as: CN110560878B

Abstract

The invention discloses an ultrasonic welding fixture, which comprises a base, wherein a placing part for placing a piece to be welded is arranged on the base, the edge part of the placing part is connected with a clamping block in a sliding way, a sliding block which is connected in a sliding way is arranged on the base, the sliding directions of the sliding block and the clamping block are mutually vertical, a linkage part is arranged between the sliding block and the clamping block, a driving part for driving the sliding block to move is arranged on the base, the sliding block is driven to move by the driving part, the clamping of the piece to be welded is linked by the linkage part, and the sliding directions of the sliding block and the clamping block are mutually vertical, so that the whole length of the fixture along the sliding direction of the sliding block can be smaller, each driving part can be more compact on the fixture, the volume of the whole mold is smaller, in addition, high-frequency vibration can exist in ultrasonic welding, and is not easy to be directly transmitted, the purpose of better clamping stability is achieved, and the whole welding precision is higher.

Description

ultrasonic welding fixture

Technical Field

The invention relates to the field of clamps, in particular to an ultrasonic welding clamp.

Background

Ultrasonic welding is to transmit high-frequency vibration waves to the surfaces of two objects to be welded, and the surfaces of the two objects are mutually rubbed under the condition of pressurization to form fusion between molecular layers, and the ultrasonic welding can be used for welding plastic products and metal products.

For example, chinese patent with publication number CN208696544U discloses an ultrasonic welding fixture, which includes a fixing base and at least three pressing components uniformly arranged on the fixing base, wherein a fixed disk is fixedly arranged on the fixing base, the fixed disk is circular, the pressing components are arranged outside the fixing base along the circumferential direction of the fixed disk, a product to be welded is arranged on the fixed disk, a fixing component for abutting against the product to be welded is arranged on the fixing base, and the fixing component includes a fixing portion fixed on the fixing base and a fixing block for limiting the product to be welded. The welding jig is limited and fixed by the pressing assembly and the fixing assembly, the fixing precision of a product to be welded can be obviously improved, the positioning difficulty is reduced, the precision of subsequent processing is improved, and the welding jig is simple in structure and convenient to use.

although clamping can be achieved, each ejection assembly directly drives the pressing assembly to move towards the direction of a product to be welded to achieve clamping, and the whole clamp is large in size and poor in compactness due to the fact that the plurality of ejection assemblies are arranged.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an ultrasonic welding clamp which has the advantages of good compactness and smaller integral volume.

In order to achieve the purpose, the invention provides the following technical scheme:

The utility model provides an ultrasonic welding anchor clamps, includes the base, be provided with the portion of placing the weldment of treating on the base, the limit portion sliding connection of the portion of placing has tight piece of clamp, be provided with sliding connection's slider on the base, slider and the slip direction mutually perpendicular who presss from both sides tight piece, be provided with the linkage between slider and the tight piece of clamp, be provided with the driving piece that the drive slider removed on the base.

Order about the slider through the driving piece and remove and come the tight clamp of the tight piece of linkage clamp with the help of the linkage piece and treat the clamp of weldment, and wherein the slider is mutually perpendicular with the slip direction of pressing from both sides tight piece, thereby make anchor clamps can be done littleer along the whole length of slider slip direction, thereby make each driving piece compacter on anchor clamps, make whole mould volume littleer, in addition because ultrasonic bonding can have high-frequency vibration, because vibration production is on pressing from both sides the difficult direct transmission of tight piece to the driving piece, and then reach the better advantage of tight stability of clamp, make whole welding precision higher.

The invention further provides that: the linkage piece comprises a chute arranged on the sliding block, and a convex block which is connected in the chute in a sliding manner is arranged on the clamping block in a protruding manner.

The sliding block slides on the base under the driving of the driving piece, the convex block moves in the chute in the process, the inclined chute is used for linking the clamping blocks to synchronously move to realize clamping or loosening, and therefore the linkage between the convex block and the clamping blocks is realized, and the linkage structure is simple.

The invention further provides that: the linkage piece comprises a linkage strip, and two ends of the linkage strip are respectively hinged to the sliding block and the clamping block.

The clamping blocks are driven to move synchronously by directly transmitting force to the clamping blocks through the linkage strips in the moving process of the sliding blocks, direct linkage between the sliding blocks and the clamping blocks can be realized, and the linkage overall structure is simple.

The invention further provides that: the clamping blocks are at least provided with two adjacent edges which are respectively positioned on the placing part.

therefore, the clamping block can realize clamping and fixing of the to-be-welded part in each side edge direction, and the clamping and fixing firmness of the to-be-welded part is guaranteed.

The invention further provides that: the base corresponds the department of placing the portion and is provided with the standing groove, standing groove one side can be dismantled and be connected with the location strip, standing groove and the relative one side sliding connection of location strip have by driving piece and slider driven supplementary clamp splice, the one end of supplementary clamp splice is seted up and is treated the scarce groove of weldment turning adaptation.

Through the setting of standing groove, can will treat before the welding that the weldment is arranged in the standing groove, ensure the accuracy that the product placed the position, subsequent welding operation of being convenient for, supplementary clamp splice comes further to treat the weldment and presss from both sides tightly, and lacks the groove and treat that weldment turning adaptation can realize two directions spacing simultaneously, reaches spacing fixed clamp in the horizontal direction and presss from both sides tightly.

The invention further provides that: a sliding groove for sliding the sliding block is formed in one side of the base, the sliding block for driving the clamping block and the auxiliary clamping block to move is connected in the sliding groove in a sliding mode, and the protruding blocks on the clamping block and the auxiliary clamping block are located in the same inclined groove in the sliding block.

The clamping block and the auxiliary clamping block are driven by the same sliding block to move, so that the number of driving pieces and the number of sliding blocks can be effectively reduced, and the purposes of simplifying the structure and reducing the cost to a certain extent are achieved.

The invention further provides that: the base one side is seted up and is supplied the gliding spout of slider, be provided with two sliders that drive respectively and press from both sides tight piece and supplementary clamp splice in the spout, two chute parallel arrangement on the slider, the driving piece sets up respectively at the both ends of spout and is connected with the slider.

The clamping block and the auxiliary clamping block are driven to move by two different sliding blocks respectively, so that the length of the chute can be smaller, the width of the chute can be smaller, and the overall size of the clamp can be further reduced.

The invention further provides that: the included angle between the length direction of the inclined groove and the sliding direction of the sliding block is smaller than 8 degrees.

under the prerequisite that realizes that the slider removes the tight piece of clamp of linkage clamp and presss from both sides tightly waiting to weld for contained angle between them is as little as possible, and the vibrational force that produces like this in the ultrasonic bonding process decomposes the back through the inclined plane of chute, and the component force along slider slip direction is littleer, thereby makes slider and driving piece be difficult for receiving the influence of vibration, thereby makes to press from both sides tight stability more secure.

The invention further provides that: when the clamping blocks clamp the to-be-welded part, the linkage strips are perpendicular to the sliding direction of the sliding blocks.

Therefore, after the workpiece to be welded is clamped, the linkage strip is kept in a state of being perpendicular to the sliding groove, the situation that the sliding block displaces due to component force can not exist in the subsequent vibration generated in the welding process, and the clamping stability is better and guaranteed.

The invention further provides that: the clamping block and the auxiliary clamping block respectively comprise a body and a clamping part with a detachable end part.

Because the tight terminal surface condition of wearing and tearing appears easily in its tight terminal surface of clamp when pressing from both sides tight piece and supplementary clamp splice long-term the use, through the setting that can dismantle the clamp part, like this when concrete change only need to change the chuck can, the body can also continue to use, effectively reduces extravagant condition.

In conclusion, the invention has the following beneficial effects:

1. The linkage of the sliding block, the clamping block and the auxiliary clamping block is realized through the linkage piece, and the sliding direction of the sliding block is vertical to the sliding direction of the clamping block and the auxiliary clamping block, so that the clamp has the advantages of better overall structure compactness and small size;

2. the vibration force generated in the welding process can not directly act on the driving piece or the sliding block, so that the aim of better clamping stability is fulfilled, and the requirement of higher welding precision is met;

3. The linkage of the sliding block, the clamping block and the auxiliary clamping block is realized by adopting two linkage pieces with different structures, and the linkage structure is simple and easy to realize.

Drawings

FIG. 1 is an overall structural view of embodiment 1;

FIG. 2 is a view showing a connection structure of a slider and a clamping block in embodiment 1;

FIG. 3 is a view showing the construction of a clamping block, an auxiliary clamping block and a member to be welded in example 1 when they burst;

FIG. 4 is an overall structural view of embodiment 2;

Fig. 5 is an overall configuration diagram of embodiment 3.

Reference numerals: 1. a base; 2. a placement groove; 3. a first part to be welded; 4. a second part to be welded; 5. a bending section; 6. a through groove; 7. a support block; 8. a positioning bar; 9. a convex portion; 10. a clamping block; 101. a body; 102. a clamp portion; 11. a slider; 12. a drive member; 13. a chute; 14. a cover plate; 15. a chute; 16. a bump; 17. an auxiliary clamp block; 18. notching; 19. a T-shaped block; 20. a T-shaped groove; 21. a linkage bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

example 1: an ultrasonic welding fixture is disclosed, as shown in fig. 1 and fig. 2, and comprises a base 1, wherein a placing part is arranged at the center of the base 1, the placing part sinks to form a placing groove 2 for placing a to-be-welded part, a first to-be-welded part 3 is placed in the placing groove 2, a second to-be-welded part 4 is stacked on the first to-be-welded part 3, the first to-be-welded part 3 and the second to-be-welded part 4 are both connecting terminals, the second to-be-welded part 4 is wholly located in the placing groove 2, the first to-be-welded part 3 is partially located in the placing groove 2 and is partially bent upwards to be higher than the placing groove 2 to form a bent part 5, a through groove 6 is formed in the bent part 5, a supporting block 7 for supporting the bent part 5 is arranged on the base 1, and the; be fixed with detachable location strip 8 in one side of standing groove 2, this location strip 8 passes through the fix with screw on base 1, this location strip 8 epirelief is equipped with and treats the convex part 9 that the concave part of weldment 4 limit portion corresponds with the second, ensure like this that the second is treated weldment 4 and is placed in standing groove 2 with correct orientation, avoid appearing putting the circumstances of turning over, treat the second according to the difference moreover and treat weldment 4 can change rather than correspond the location strip 8 of matching and use, thereby treat to the second that weldment 4 carries out prepositioning makes its stable being located standing groove 2.

The adjacent sides of the base 1 corresponding to the placing groove 2 are respectively provided with a clamping block 10 for clamping the second piece to be welded 4, the clamping blocks 10 are respectively arranged at one side opposite to the positioning strip 8 and the supporting block 7, the clamping blocks 10 are connected on the base 1 in a sliding manner, meanwhile, the base 1 is provided with a sliding block 11 for driving the clamping blocks 10 to move, clamp and release, a linkage part is arranged between the sliding block 11 and the clamping blocks 10, the sliding block 11 is also connected on the base 1 in a sliding manner, the base 1 is provided with a sliding groove 13 for the sliding block 11 to slide, the sliding direction of the sliding block 11 is vertical to the sliding direction of the clamping blocks 10, a driving part 12 for driving the sliding block 11 to slide is fixed on the base 1, the driving part 12 is a hydraulic cylinder, the sliding block 11 is fixed at the end part of a piston rod of the hydraulic cylinder, so that the sliding block 11 can slide in the sliding groove 13 by opening the, the apron 14 is fixed with base 1 through the screw and is realized dismantling, and apron 14 can play the effect of sheltering from to slider 11 in the spout 13 for anchor clamps appearance wholeness is better, avoids the unexpected condition of deviating from spout 13 of slider 11 simultaneously.

As shown in fig. 2 and 3, the linkage member includes a chute 15 and a projection 16 slidably connected in the chute 15, the chute 15 is opened on the top wall of the slide block 11, the projection 16 is fixed on the lower surface of the clamping block 10, so that when the slide block 11 is driven to move in the chute 13 by the driving member 12, the projection 16 moves along the chute 15 and drives the clamping block 10 to move towards or away from the second workpiece 4 under the action of the chute 15; thereby the realization is to waiting to weld the clamping or unclamping of piece 4 for the second, make slider 11 drive the direction of removal and the direction of clamping piece motion by driving piece 12 not in same direction like this, thereby make driving piece 12, press from both sides tight piece 10 and slider 11's overall arrangement compacter, make the whole volume of anchor clamps littleer, the space of reasonable effective utilization base 1, in addition in the direct influence of the vibration that follow-up concrete welding in-process produced to slider 11 and driving piece 12 is less, thereby it is better to guarantee to press from both sides tight stability during the welding, make welding precision more guaranteed.

An auxiliary clamping block 17 is arranged on one side of the placing groove 2 opposite to the positioning strip 8, the auxiliary clamping block 17 is also connected to the base 1 in a sliding mode and is positioned at the corner of the edge of the second part to be welded 4, a notch 18 matched with the corner of the second part to be welded 4 is arranged at one end, used for clamping, of the auxiliary clamping block 17, the end face of the auxiliary clamping block 17 is used for clamping the first part to be welded 3, and therefore synchronous clamping of the first part to be welded 3 and the second part to be welded 4 can be synchronously completed through the auxiliary clamping block 17; the auxiliary clamping block 17 is arranged in parallel with one of the clamping blocks 10 and is also driven by the driving piece 12 and the sliding block 11, the bottom surface of the auxiliary clamping block 17 is also convexly provided with a convex block 16 which is connected in the inclined groove 15 in a sliding manner, the sliding blocks 11 which drive the auxiliary clamping block 17 and the clamping block 10 to move are positioned in the same sliding groove 13, the two sliding blocks 11 in the sliding groove 13 are respectively used for driving the auxiliary clamping block 17 and the clamping block 10, the inclined grooves 15 on the two sliding blocks 11 are arranged in parallel, and the driving pieces 12 which drive the sliding blocks 11 to move are respectively arranged at the two ends of the sliding groove 13, so that the width of the sliding groove 13 is enabled to be as small as possible under the condition that the auxiliary clamping block 17 and the clamping block 10 are driven, and the size of.

An included angle between the length direction of the inclined groove 15 and the sliding direction of the sliding block 11 is smaller than 8 degrees, the included angle is 6 degrees in the embodiment, and on the premise that the driving clamping block 10 and the auxiliary clamping block 17 clamp the to-be-welded part, after vibration force generated in the ultrasonic welding process is decomposed through the inclined surface of the inclined groove 15, component force along the sliding direction of the sliding block 11 is smaller, so that the sliding block 11 and the driving piece 12 are not easily influenced by vibration, and the clamping stability is guaranteed; and press from both sides tight piece 10 and supplementary clamp splice 17 and all include the clamp part 102 of body 101 and tip, this clamp part 102 one side is provided with T type piece 19, be provided with on the body 101 with T type piece 19 complex T type groove 20, clamp part 102 is in the linkage state with body 101 in the horizontal direction, it can to shift up clamp part 102 when needing to dismantle, thereby realize the dismantled of clamp part 102 and body 101 and be connected, like this after long-term the use clamp part 102 terminal surface appear wear and tear when only need change it can, reduce the extravagant condition, clamp part 102 adopts carbide in this embodiment, possess better hardness and wearability, make anchor clamps more durable.

The implementation principle of the embodiment is as follows: firstly place in standing groove 2 and lead to groove 6 and supporting shoe 7 adaptation with first weldment 3 of waiting and realize the location, then wait that weldment 4 is placed in standing groove 2 and press the first part that waits to be located welding 3 in standing groove 2 with the second, borrow to open the cylinder and order about slider 11 and remove in spout 13, the in-process that slider 11 removed presss from both sides tight piece 10 with the help of chute 15 and 16 linkage of lug 16, supplementary clamp splice 17 removes to press from both sides tight first weldment 3 of waiting to weld and second and wait weldment 4, the realization is pressed from both sides tightly fixedly, follow-up ultrasonic bonding again can realize that first weldment 3 of waiting to weld and second waits to weld the fixed of weldment 4.

Example 2: an ultrasonic welding fixture, as shown in fig. 4, is different from embodiment 1 in that only one sliding block 11 is arranged in a sliding groove 13, and an auxiliary clamping block 17 and a projection 16 on a clamping block 10 are both connected in a sliding manner in the same inclined groove 15 on the sliding block 11, so that only a single driving piece 12 is arranged at one end of the sliding groove 13 to drive the sliding block 11 to move, and synchronous movement of the auxiliary clamping block 17 and the clamping block 10 is realized to realize clamping or loosening, so that the structure is simplified, the number of the driving pieces 12 is reduced, and the cost is effectively reduced.

Example 3: an ultrasonic welding fixture is shown in fig. 5, and is different from embodiment 1 in the structure of a linkage member, in this embodiment, the linkage member includes a linkage bar 21, and both ends of the linkage bar 21 are respectively hinged on a slide block 11 and a clamping block 10, and the slide block 11 and an auxiliary clamping block 17, so that force is directly transmitted to the clamping block 10 and the auxiliary clamping block 17 through the linkage bar 21 to drive the clamping block 10 and the auxiliary clamping block 17 to move synchronously, and direct linkage between the slide block 11 and the clamping block 10 can be realized, and the overall structure of the linkage member is simpler; and when the clamping block 10 and the auxiliary clamping block 17 are in a clamping state, the linkage strip 21 is perpendicular to the sliding direction of the sliding block 11, and at the moment, even if vibration generated by welding subsequently does not have component force to drive the position of the sliding block 11 to move, the purpose of better clamping stability effect is achieved, and the subsequent high-precision welding operation is more convenient.

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

Claims

1. The utility model provides an ultrasonic welding anchor clamps, includes base (1), characterized by: the welding device is characterized in that a placing part for placing a to-be-welded part is arranged on the base (1), a clamping block (10) is connected to the edge of the placing part in a sliding mode, a sliding block (11) in sliding connection is arranged on the base (1), the sliding direction of the sliding block (11) and the sliding direction of the clamping block (10) are perpendicular to each other, a linkage part is arranged between the sliding block (11) and the clamping block (10), and a driving part (12) for driving the sliding block (11) to move is arranged on the base (1).

2. the ultrasonic welding jig of claim 1, wherein: the linkage piece comprises a chute (15) arranged on the sliding block (11), and a convex block (16) connected in the chute (15) in a sliding mode is arranged on the clamping block (10) in a protruding mode.

3. The ultrasonic welding jig of claim 1, wherein: the linkage piece comprises a linkage strip (21), and two ends of the linkage strip (21) are respectively hinged to the sliding block (11) and the clamping block (10).

4. The ultrasonic welding jig of claim 2, wherein: the clamping blocks (10) are at least provided with two clamping blocks which are respectively positioned on the adjacent edges of the placing part.

5. The ultrasonic welding jig of claim 2, wherein: base (1) corresponds place portion department and is provided with standing groove (2), standing groove (2) one side can be dismantled and be connected with location strip (8), standing groove (2) have with location strip (8) relative one side sliding connection by driving piece (12) and slider (11) driven supplementary clamp splice (17), the one end of supplementary clamp splice (17) seted up with treat scarce groove (18) of welding a turning adaptation.

6. The ultrasonic welding jig of claim 5, wherein: the clamping device is characterized in that a sliding groove (13) for sliding the sliding block (11) is formed in one side of the base (1), the sliding block (11) for driving the clamping block (10) and the auxiliary clamping block (17) to move is connected into the sliding groove (13) in a sliding mode, and the protruding blocks (16) on the clamping block (10) and the auxiliary clamping block (17) are located in the same inclined groove (15) on the sliding block (11).

7. the ultrasonic welding jig of claim 5, wherein: base (1) one side is seted up and is supplied gliding spout (13) of slider (11), be provided with two sliders (11) that drive respectively and press from both sides tight piece (10) and supplementary clamp splice (17) in spout (13), two chute (15) parallel arrangement on slider (11), driving piece (12) set up respectively at the both ends of spout (13) and are connected with slider (11).

8. The ultrasonic welding jig of claim 2, wherein: the included angle between the length direction of the inclined groove (15) and the sliding direction of the sliding block (11) is smaller than 8 degrees.

9. The ultrasonic welding jig of claim 3, wherein: when the clamping block (10) clamps the piece to be welded, the linkage strip (21) is perpendicular to the sliding direction of the sliding block (11).

10. The ultrasonic welding jig of claim 5, wherein: the clamping block (10) and the auxiliary clamping block (17) both comprise a body (101) and a clamping part (102) with a detachable end part.