CN216680540U - Sawing clamp for sealing strip - Google Patents

Abstract

The utility model belongs to the field of sealing strip processing, and particularly discloses a sealing strip sawing clamp which comprises two groups of clamping mechanisms respectively positioned at two sides of a sawing blade, wherein each clamping mechanism comprises a fixed die and a movable die, grooves are formed in the opposite surfaces of the fixed die and the movable die, and after the movable dies are assembled on the fixed die, the grooves in the fixed die and the movable die are matched to form a cavity groove for the sealing strip to pass through; and two pressing blocks are arranged between the two groups of clamping mechanisms, are movably connected on the fixed die or the movable die, are respectively positioned at two sides of the sawing blade and are used for pressing against the foam part of the sealing strip and pressing the foam part of the sealing strip. By adopting the scheme of the utility model, the problem that a large amount of dust enters the bubble-shaped part of the sealing strip during sawing can be solved.

Description

Sawing clamp for sealing strip

Technical Field

The utility model belongs to the field of sealing strip machining, and particularly relates to a sealing strip sawing clamp.

Background

The automobile sealing strip is used for filling various gaps among automobile body components, plays the effects of shock absorption, water resistance, dust prevention, sound insulation and the like, and improves the comfort of driving experience. Automobile sealing strip is made for rubber usually, need saw cut through rubber extrusion moulding back, uses rotatory saw cutting blade to saw cut the sealing strip among the prior art usually, when saw cutting, for avoiding the sealing strip to remove, need set up anchor clamps and press from both sides tight sealing strip usually.

Among the prior art, in order to guarantee the stability of sealing strip when sawing, patent "CN 202021649429.0" discloses that automotive sealing spare saw cuts clamping structure and saw cuts frock, presss from both sides tight sealing strip through two sets of clamping jaws from the both sides of saw cutting blade, and the clamping part inboard of clamping jaw sets up the profile modeling unanimous with the cross-section of sealing strip, has effectively increased the stability of sealing strip when sawing. The above patent also has problems: as shown in fig. 1, be equipped with bubble type position 2 on sealing strip 1, the cross-section at bubble type position 2 is the confined cyclic annular, and the dust that produces when sawing can get into in sealing strip 1, especially in the 2 serious and difficult clearance of dust at bubble type position, when sealing strip 1 installed the automobile body, bubble type position 2 received the extrusion easily with the dust blowout, lead to follow-up installation environmental pollution serious.

Based on above-mentioned problem, additionally design dust collection structure on saw cut the frock usually among the prior art and be used for handling the dust that saw cuts the in-process and produce, nevertheless because the too big noise that leads to in pan feeding clearance is big between each parts of reduction frock and the sealing strip, shake scheduling problem, two sets of clamping jaws are located saw cut blade both sides and saw cut the clearance between the blade less, this just leads to hardly setting up dust collection structure between two sets of clamping jaws, also hardly handle the most dust when sawing, the dust collection effect who additionally sets up dust collection structure is ideal inadequately.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a sealing strip sawing clamp to solve the problem of serious dust in a bubble-shaped part of a sealing strip.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the sealing strip sawing clamp comprises two groups of clamping mechanisms which are respectively positioned at two sides of a sawing blade, each clamping mechanism comprises a fixed die and a movable die, grooves are formed in the opposite surfaces of the fixed die and the movable die, and after the movable dies are assembled on the fixed die, the grooves in the fixed die and the movable die are matched to form a cavity groove for the sealing strip to pass through; and two pressing blocks are arranged between the two groups of clamping mechanisms, are movably connected on the fixed die or the movable die, are respectively positioned at two sides of the sawing blade and are used for pressing against the foam part of the sealing strip and pressing the foam part of the sealing strip.

Compared with the prior art, the utility model has the following beneficial effects:

when the saw cutting is carried out, the sealing strip is clamped through the clamping mechanism, and the stability of the sealing strip during the saw cutting is guaranteed. Then prop the bubble type position of sealing strip through the briquetting for the bubble type position of the sealing strip of saw cutting blade both sides is compressed tightly, has sealed the opening at bubble type position in other words, and then avoids the dust to pass through the opening and gets into in the bubble type position.

In this scheme, through setting up the briquetting, greatly reduced the dust that gets into in the bubble type position, and the structure setting of briquetting is simple, as long as can support the sealing strip can, and irrelevant with the thickness of briquetting, consequently can be simple set up the briquetting insert between two sets of clamping mechanism can.

Drawings

FIG. 1 is a schematic view showing the structure of the weather strip of the present invention.

Fig. 2 is a schematic overall structure diagram of the sealing strip sawing jig in the embodiment of the utility model.

Fig. 3 is a rear view of fig. 2.

Fig. 4 is a schematic structural view of the clamping mechanism and the pressing block in fig. 2.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 shows another arrangement of the pressing block in the seal strip sawing jig according to the embodiment of the present invention.

In the figure: 1. a sealing strip; 2. a pouched site; 3. sawing a blade; 4. moving the mold; 5. fixing a mold; 6. a limiting strip; 7. a cavity groove; 8. connecting blocks; 9. a second connecting plate; 10. a work table; 11. accommodating grooves; 12. a limiting block; 13. a first connecting plate; 14. a first driving member; 15. a pressing block; 16. an arc-shaped surface; 17. a bevel; 18. a limiting part.

Detailed Description

The utility model is further described in detail below with reference to the accompanying drawings, and specific embodiments are given.

As shown in fig. 2, the sealing strip sawing clamp comprises a workbench 10 and two groups of clamping mechanisms which are respectively located on two sides of a sawing blade 3, each clamping mechanism comprises a fixed die 5 and a movable die 4, one side, opposite to the fixed die 5 and the movable die 4, of each fixed die 5 is provided with a groove, the movable die 4 is matched with the fixed die 5 and the movable die 4 to form a cavity groove 7 for the sealing strip 1 to pass through, and particularly, the cavity groove 7 is used for clamping the sealing strip 1 in the circumferential direction and is designed according to the shape and size of the sealing strip 1 in the circumferential direction. The specific design mode of the movable mold 4 and the fixed mold 5 is as follows: the fixed die 5 is fixed on the workbench 10, the movable die 4 is connected on the workbench 10 in a sliding mode along the vertical direction, and the movable die 4 is located right above the fixed die 5. In order to facilitate the sealing strip 1 to be put into or taken out of the groove, in the embodiment, half of the cavity groove 7 corresponding to the foam part 2 of the sealing strip 1 is positioned on the fixed die 5, and the other half of the cavity groove 7 is positioned on the movable die 4, so that the condition that the foam part 2 needs to be squeezed and then plugged into the cavity groove 7 is avoided.

In order to facilitate the two movable dies 4 to be matched together, a second connecting piece is arranged between the two movable dies 4, and a second driving piece for driving the second connecting piece to move is further included. Specifically, be fixed with connecting block 8 on the movable mould 4, two connecting blocks 8 are connected with second connecting plate 9 jointly, and is specific, and second connecting plate 9 and connecting block 8 can dismantle the connection, and connecting block 8 bolted connection can dismantle the connection through second connecting plate 9 and connecting block 8 on second connecting plate 9, convenient to detach or change movable mould 4. The second cylinder is selected for use to the second driving piece (also can select other drive structures that can realize 9 vertical motions of second connecting plate among the prior art for use), and the output shaft and the second connecting plate 9 of second cylinder are fixed, through 9 vertical motions of second connecting plate of second cylinder drive, and then drive movable mould 4 simultaneously and move.

In this embodiment, the second cylinder sets up in cover half 5 below, is equipped with the holding tank 11 that supplies second connecting plate 9 to move from top to bottom on the cover half 5 of one side wherein, and opposite side cover half 5 bottom is higher than the connecting plate, also all is equipped with holding tank 11 on can two cover halves 5, and second connecting plate 9 is located holding tank 11, carries on spacingly through holding tank 11 to the vertical motion range of second connecting plate 9.

A pressing block 15 is arranged between the two groups of clamping mechanisms, the pressing block 15 is movably connected to the fixed die 5 or the movable die 4, specifically, the pressing block 15 has multiple installation modes, in this embodiment, the pressing block 15 is transversely and slidably connected to the fixed die 5, and the sliding direction of the pressing block 15 is perpendicular to that of the movable die 4. Be connected with first connecting piece between two suppression pieces 15, still including the first driving piece 14 that is used for driving first connecting piece motion, it is concrete, first connecting piece includes first connecting plate 13, two suppression pieces 15 are all fixed on first connecting plate 13, first driving piece 14 chooses for use first cylinder (also can choose for use other drive structure that can realize first connecting plate 13 lateral motion among the prior art), the output shaft and the first connecting plate 13 of first cylinder are fixed, through the first cylinder drive first connecting plate 13 lateral motion, and then drive two suppression pieces 15 simultaneously and slide.

When the sealing strip conveying device is used specifically, the sealing strip 1 is conveyed continuously, and saw cutting is suspended in the conveying process, so that the sealing strip 1 is limited by the groove in the fixed die 5 in the conveying process of the sealing strip 1, the conveying process of the sealing strip 1 is stable, the position of the sealing strip 1 does not need to be adjusted when the sealing strip 1 needs to be clamped, and the sealing strip 1 can be clamped only by sliding the fixed die 5.

The sealing strip 1 is clamped through the clamping mechanism, and the stability of the sealing strip 1 during sawing is guaranteed. Then, the pressing block 15 slides to press against the bubble type part 2 of the sealing strip 1 through the pressing block 15, so that the bubble type parts 2 of the sealing strips 1 on the two sides of the sawing blade 3 are pressed tightly, namely the opening of the bubble type part 2 is sealed, and dust is prevented from entering the bubble type part 2 through the opening.

In another embodiment of the present invention, as shown in fig. 4 and 5, the pressing block 15 is provided with a pressing portion for pressing against the sealing strip 1, the pressing portion includes an arc surface 16 for contacting and pressing against the sealing strip 1, the pressing portion further includes inclined surfaces 17 located at two sides of the arc surface 16, the inclined surfaces 17 can be set to have a certain radian according to the shape of the actual sealing strip 1, the inner wall of the cavity groove 7 is provided with a limiting portion 18 for limiting the inclined surfaces 17, specifically, the fixed mold 5 and/or the movable mold 4 is provided with a mounting groove for the pressing block 15 to be embedded and installed, in this embodiment, since half of the cavity groove 7 corresponding to the foam portion 2 of the sealing strip 1 is located on the fixed mold 5 and the other half is located on the movable mold 4, then half of the mounting groove is located on the fixed mold 5 and the other half is located on the movable mold 4, the pressing block 15 is slidably connected in the mounting groove, and since the pressing block 15 is embedded and installed in the mounting groove, the inner wall of the cavity groove 7, which is originally used for limiting the bubble portion 2, forms a limiting portion 18 for limiting the inclined surface 17 of the pressing block 15.

The arc-shaped surface 16 has a certain protection effect on the sealing strip 1, and the sealing strip 1 is prevented from being punctured. The arc-shaped surface 16 and the inner wall of the cavity groove 7 are positioned on one side of the pressing block 15 and are parallel and level to the position of the point with the minimum vertical displacement on the side of the fixed die 5 or the movable die 4, namely the arc-shaped surface 16 can be aligned to the highest point of the foam part 2, when the pressing block 15 slides, the arc-shaped surface 16 presses against the highest point of the foam part 2, the point of the foam part 2 deforms along with the sliding of the pressing block 15, the rest positions of the foam part 2 gradually press against the inner wall of the cavity groove 7 with the inclined plane 17, and through the arrangement of the arc-shaped surface 16 and the inclined plane 17, the better effect of pressing the foam part 2 can be obtained.

The distance between the two groups of clamping mechanisms is 3-7 times of the thickness of the sawing blade 3, and the two pressing blocks 15 are embedded in the mounting groove, so that the distance between the two pressing blocks 15 is also 3-7 times of the thickness of the sawing blade 3, the moving space of the sawing blade 3 is provided, and meanwhile, the phenomenon that the part of the sealing strip 1 to be sawn, which is caused by too large gap, is clamped unstably or dust enters the end part of the sealing strip 1 at the sawing position is avoided.

In another embodiment of the present invention, another installation manner of the pressing block 15 is as follows: referring to fig. 6, the pressing block 15 is rotatably connected to the fixed mold 5, specifically, the outer wall of the pressing block 15 is provided with a protruding pressing portion, and taking the pressing block 15 as a circle in fig. 6 as an example, the pressing block 15 may also be in a strip shape in an actual design process, as long as the pressing block 15 can change the position of the pressing portion and can contact the foam portion 2 and press the foam portion 2 in the rotation process. In this embodiment, the rotation centers of the two pressing blocks 15 are fixed by the first connecting plate 13, and the two pressing blocks 15 can be rotated simultaneously by rotating the first connecting plate 13, and accordingly, the first driving member 14 selects a motor, and the output shaft of the motor is fixed to the first connecting plate 13. Through the rotation of the pressing block 15, the position of the pressing part changes and can gradually abut against the bubble-shaped part 2 of the sealing strip 1, and then the bubble-shaped part 2 is abutted tightly.

In another embodiment of the present invention, as shown in fig. 2 and 3, in order to replace the fixed mold 5 or the movable mold 4, both the fixed mold 5 and the movable mold 4 can be detachably connected to the workbench 10, specifically, the fixed mold 5 is bolted to the workbench 10, the second driving member is bolted to the workbench 10, the movable mold 4 is connected to the second driving member through the connecting block 8 and the second connecting plate 9, and the movable mold 4 is detached by detaching the second driving member.

When the movable die 4 is installed, in order to ensure the matching of the movable die 4 and the fixed die 5, the following design is made:

the opposite one side grafting cooperation of cover half 5 and movable mould 4, it is specific, the cover half 5 upper surface is equipped with a plurality of spacing 6, and the movable mould 4 lower surface is equipped with a plurality ofly and spacing 6 one-to-one and supplies spacing 6 male spacing groove. In order to facilitate the matching of the limiting strips 6 and the limiting grooves, the longitudinal sections of the limiting strips 6 are isosceles trapezoids or isosceles triangles. Through the cooperation of the limiting strip 6 and the limiting groove, the movable die 4 can be positioned right above the fixed die 5.

The workbench 10 is provided with a limiting part for limiting the transverse position of the movable mold 4, and in order to enable one opposite surface of the two groups of clamping mechanisms to be a plane, namely one surface of the fixed mold 5 and one surface of the movable mold 4 facing the other group of clamping mechanisms are completely parallel and level, the limiting part is arranged for limiting the installation position of the movable mold 4. Specifically, the locating part includes that lateral sliding connects the stopper 12 on workstation 10, has seted up the bar groove on the stopper 12, and threaded connection has the bolt on the workstation 10, and bolt one end stretches out bar groove and threaded connection has the nut, and the external diameter of nut is greater than the width in bar groove. During the concrete installation, the locating part with one of them movable mould 4 correspond can, two movable moulds 4 pass through connecting block 8, second connecting plate 9 and connect, carry on spacingly can reach two equal spacing purposes of movable mould 4 to one of them movable mould 4 promptly. During the installation, adjust the locating part earlier for stopper 12 can block movable mould 4 or block connecting block 8, then install movable mould 4, make the surface of movable mould 4 or the surface of connecting block 8 and stopper 12 paste mutually, and then spacing the mounted position of movable mould 4, the back is accomplished in the installation of movable mould 4, can remove stopper 12, makes stopper 12 and movable mould 4 no longer contact, avoids stopper 12 to influence the motion of movable mould 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (9)

1. The sealing strip sawing clamp comprises two groups of clamping mechanisms which are respectively positioned at two sides of a sawing blade, each clamping mechanism comprises a fixed die and a movable die, grooves are formed in the opposite surfaces of the fixed die and the movable die, and after the movable dies are assembled on the fixed die, the grooves in the fixed die and the movable die are matched to form a cavity groove for the sealing strip to pass through; the method is characterized in that: and two pressing blocks are arranged between the two groups of clamping mechanisms, movably connected to the fixed die or the movable die and respectively positioned on two sides of the sawing blade, and used for pressing against the foam part of the sealing strip and pressing the foam part of the sealing strip.

2. The weatherstrip sawing jig according to claim 1, characterized in that: and a first connecting piece is connected between the two pressing blocks, and the pressing device further comprises a first driving piece for driving the first connecting piece to move.

3. The weatherstrip sawing jig according to claim 1, characterized in that: the pressing block is provided with a pressing part for pressing the sealing strip, and the pressing part comprises an arc-shaped surface which is used for contacting and pressing the sealing strip.

4. The weatherstrip sawing jig according to claim 3, characterized in that: the pressing block is connected to the fixed die in a sliding mode, the pressing portion further comprises inclined planes located on two sides of the arc-shaped face, and a limiting portion used for limiting the inclined planes is arranged on the inner wall of the cavity groove.

5. The weatherstrip sawing jig according to claim 4, characterized in that: the arc-shaped surface and the inner wall of the cavity groove are positioned on one side of the pressing block and are parallel and level to the position of the point with the minimum vertical displacement from the side of the fixed die or the movable die.

6. The weatherstrip sawing jig according to claim 1, characterized in that: and a second connecting piece is arranged between the two movable dies, and the movable dies further comprise a second driving piece for driving the second connecting piece to move.

7. The weatherstrip sawing jig according to claim 1, characterized in that: the fixed die and the movable die are detachably connected to the workbench, and the opposite surfaces of the fixed die and the movable die are in plug-in fit.

8. The weatherstrip sawing jig according to claim 7, characterized in that: be equipped with on the workstation and carry out spacing locating part to the movable mould lateral position, the locating part includes the stopper of sliding connection on the workstation, has seted up the bar groove on the stopper, and threaded connection has the bolt on the workstation, and bolt one end stretches out bar groove and threaded connection has the nut.

9. The weatherstrip sawing jig according to claim 1, characterized in that: and the fixed die and/or the movable die are/is provided with mounting grooves for embedding and mounting the pressing blocks, and the distance between the two groups of clamping mechanisms is 3-7 times of the thickness of the saw cutting blade.

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