CN101745957A - Quick-dismounting device of saw cutting machine - Google Patents

Abstract

The invention relates to a quick-dismounting device of a saw cutting machine, comprising a fixed piece and a connecting piece, the fixed piece is provided with a clamping hole and a forced closing hole; the connecting piece is provided with a body which is leaned against to the fixed piece, a clamping block which is fixedly arranged on the body and a forced closing block; when the clamping block and the forced closing block are positioned at a first position, the clamping block and the forced closing block are separated relative to the clamping hole and the forced closing hole, and when the clamping block and the forced closing block are rotated to a second position, clamping is carried out; therefore, the connecting piece is operated to be disassembled or assembled relative to the fixed piece, so as to achieve the quick-dismounting purpose.

Description

The device for quickly disassembling of sawing machine

Technical field

The present invention relates to a kind of processing equipment, particularly relate to a kind of device for quickly disassembling of sawing machine.

Background technology

General sawing machine is in order to safeguard user's safety, be provided with many safety devices, for example on the board at saw blade rear, set firmly a chopper (riving knife),, prevent from still to be attached on the saw blade after the work package sawing to guarantee to be separated into two parts by the work package after the saw blade sawing.In addition, the detent that also can respectively be pivoted in the chopper both sides utilizes that described detent is permanent to keep butted on work package, is upspring by the work package after the sawing and causes danger preventing.Moreover the protecting cover that also can be pivoted at this chopper top, this protecting cover extend and are located at this saw blade top, cover so that saw blade is made.

In order to meet the world security standard, relatively also cause assembling, the maintenance puzzlement of sawing machine accessory, based on this, aforesaid safety device for meet use and keep in repair, the assembling demand, all be designed to can be on sawing machine removal, so can assemble and dismantle the basic function that the device for quickly disassembling of correlative protection accessory becomes present sawing machine fast.

But, the device for quickly disassembling of present commercially available sawing machine, as TW328333 TaiWan, China patent case, US7320878 United States Patent (USP) case, the US20080121080 U.S. patent application case, US7210836 United States Patent (USP) case, all be with the blocking of latch single-point, and (No. 10836 United States Patent (USP) cases of US72) as shown in Figure 1, be that a unidirectional opening and the inner aperture blocking hole 101 greater than outside opening is set at chopper 1 top, and wear a latch 201 and a flexible member 202 in the connecting piece 2, this latch 201 has an annular groove 203 and the section of being difference shape, the elastic force of this flexible member 202 makes the annular groove 203 permanent maintenances of this latch 201 and the large-diameter portion in this blocking hole 101 be the shape that staggers, make latch 201 keep being positioned in the blocking hole 101, and this connecting piece 2 is positioned on this chopper 1, and this connecting piece 2 articulates for detent or protecting cover.The location of this single-point blocking is more not firm, and member all has complicated disappearance.

In addition, the design of not using flexible member being arranged also, as the US20080022826 U.S. patent application case, but still is the single-point blocking.In addition, the US20080047409 U.S. patent application case is then utilized the two point blocking, (US20080047409 U.S. patent application case) as shown in Figure 2, be that two blocking holes 301 that are the L type are set on a chopper 3, and connecting piece 4 bottoms that articulate with protecting cover set firmly two pedestals 5, described pedestal 5 must be cross-placed on this chopper 3 simultaneously, and respectively utilize bayonet lock 501 inlay cards in described blocking hole 301, relend a lock(ing) bolt 6 these connecting piece 4 packings are positioned on this chopper 3, assembling and dismantling speed is slower.

Summary of the invention

The objective of the invention is is providing a kind of device for quickly disassembling that produces the firm and structure of blocking, sawing machine simple to operate.

The device for quickly disassembling of sawing machine of the present invention comprises a fixture and the connecting piece with respect to this fixture dismounting or installation.This fixture has one first side, one and opposing second side, a blocking hole and the hole that is arranged on this blocking hole one side and is arranged with by this end side surface that is connected the intermarginal end side surface of this first and second side respective side, this end side surface of vicinity and runs through this first and second side in this first side, this end side surface is extended along a first direction, and this blocking hole is non-circular.This connecting piece is installed on this fixture, and has a body that is resisted against this first side, one is installed in this body and clamping block that should the blocking hole and one is installed in this body and to joint block that should hole, this body has a pulling part that is positioned at this joint block one side, this clamping block has the fastening part in the corresponding blocking of profile hole, this joint block has one and compels the portion of closing, when this clamping block and this joint block are positioned at a primary importance, this fastening part and compel the portion of closing with respect to this blocking hole, hole produces and breaks away from, when this clamping block and this joint block are positioned at a second place, this fastening part produces dislocation embedding system with respect to this blocking hole, and this joint block is embedded in this hole.

Beneficial effect of the present invention is: operate this connecting piece and make this clamping block and this joint block produce disengaging or blocking with respect to this blocking hole and this hole, and make this connecting piece dismantle or install with respect to this fixture, not only simple in structure, processing ease, and reach the quick detach purpose.

Description of drawings

Fig. 1 is the device for quickly disassembling assembling schematic diagram of existing a kind of sawing machine;

Fig. 2 is the device for quickly disassembling assembling schematic diagram of existing another kind of sawing machine;

Fig. 3 is the three-dimensional exploded view of a preferred embodiment of device for quickly disassembling of sawing machine of the present invention;

Fig. 4 is the three-dimensional combination figure of this preferred embodiment;

Fig. 5 is the front-view schematic diagram of this preferred embodiment, illustrates that a connecting piece is nested on the fixture;

Fig. 6 is the view that is similar to Fig. 5, illustrates that a clamping block and a joint block are operable to a second place by a primary importance;

Fig. 7 is the cross-sectional schematic of being got along the straight line VII-VII among Fig. 6;

Fig. 8 is the use schematic diagram of this preferred embodiment, and the fast assembling-disassembling that is applicable to this fixture and a protecting cover is described.

The specific embodiment

The present invention is described in detail below in conjunction with drawings and Examples:

As shown in Figure 3, the preferred embodiment of the device for quickly disassembling of sawing machine of the present invention comprises a fixture 10 and the connecting piece 20 with respect to these fixture 10 dismountings or installation.The fixture 10 of present embodiment is a chopper, and this connecting piece 20 articulates the location for a pair of detent 30 that lays respectively at these fixture 10 both sides.

This fixture 10 is lamellar, and has the second opposing side 12 of one first side 11, and this first side 11, one and be connected these first and second 11,12 top sides, side end side surface intermarginal and that extend along a first direction I 13, a blocking hole 14 and a hole 15 that is arranged with by this end side surface 13 that is arranged on these end side surface 13 belows.This blocking hole 14 and hole 15 all run through this first and second side 11,12 along a second direction II perpendicular to first direction I.This blocking hole 14 is microscler poroid, this hole 15 is that unidirectional open arc groove shape is offered in the center of circle with the central point in this blocking hole 14, and have an openend 151 that is arranged at this end side surface 13 and one and extend the positioning end 152 that is produced inwardly by this openend 151, this openend 151 has one and levels off to this blocking hole 14 and be skewed guidance part 153.

This connecting piece 20 has a body 21 that is en plaque and is resisted against this first side 11, one and is installed in this body 21 and clamping block 22 that should blocking hole 14 and one are installed in this body 21 and to joint block 23 that should hole 15.This body 21 has a pulling part 211 that is positioned at these joint block 23 outsides, this clamping block 22 has the fastening part 221 in the corresponding blocking of profile hole 14 and one and is attached at this fastening part 221 and 10 of this bodies and is the neck 222 of bringing shape together compared to this fastening part 221, and this fastening part 221 is microscler tabular.This joint block 23 has a portion of closing 231 that compels in the form of annular discs and one and is attached at this and compels the portion of closing 231 and 21 of this bodies and compel the portion of closing 231 compared to this to be the neck 232 of bringing shape together, neck 222, the 232 all rounded columns of this clamping block 22 and joint block 23.

Fig. 3 for another example, shown in Figure 5, when these connecting piece 20 desire assembly are on this fixture 10, earlier the fastening part 221 of this clamping block 22 is put to be and have identical phase place (this clamping block 22 is positioned at a primary importance with this joint block 23) with this blocking hole 14, again with this connecting piece 20 along this second direction II towards these fixture 10 closings, impel the fastening part 221 of this clamping block 22 to pass this blocking hole 14 and stretch to this second side 12, this neck 222 just is positioned in the middle of this blocking hole 14, at this moment, this joint block 23 is positioned at this hole 15 tops, and this pulling part 211 is away from this end side surface 13.

And for example shown in Figure 6, operate this pulling part 211 towards these end side surface 13 closings, and make the neck 232 of this joint block 23 be inserted in from the openend 151 of this hole 15, it is quite smooth and easy and this neck 232 is directed to this positioning end 152 smoothly to utilize being arranged so that of this guidance part 153 to be inserted in action, simultaneously, this fastening part 221 produces dislocation embedding system (this clamping block 22 is positioned at a second place with this joint block 23) with respect to this blocking hole 14, and utilize this fastening part 221 and compel the portion of closing 231 respectively to ending in this second side 12, and this fastening part 221 with compel the width of the portion of closing 231 all greater than described neck 222,232 circle footpath, and produce embedding making (see figure 7).Make these connecting piece 20 strong fixs on this fixture 10, and make the detent 30 that is hubbed on this connecting piece 20 also produce the location, and reach the purpose (see figure 4) of security protection with respect to this fixture 10.

Then, when the operator upwards pulls this pulling part 211 and is away from this end side surface 13, this connecting piece 20 is that the pivot center produces pivot with these neck 222 central points, and make this fastening part 221 be pivoted into the state of same phase again by the dislocation state, and the neck 232 of this joint block 23 also moves along this hole 15 towards this openend 151, impel this fastening part 221 and compel the portion of closing 231 and produce and break away from respect to this blocking hole 14, hole 15, and become primary importance (state of Fig. 5) by second site reversion, therefore operation is quite simple.

Therefore, not only member is simple, easy to manufacture, the dismounting assembly is easy for device for quickly disassembling of the present invention, also can utilize this fastening part 221 and blocking hole 14 to produce dislocation embedding system, and this is compeled the portion of closing 231 and is nested in this hole 15, and reach the two point blocking, the blocking effect is good, and this fastening part 221, compel the portion of closing 231 and embed the embedding of these blocking holes 14, hole 15 or shift out and do not need special operation, but when operation connecting piece 20 produces closing, separation with respect to this fixture 10, pivotal action is just finished in the lump slightly again, operates quite simple.

Again as shown in Figure 8, device for quickly disassembling of the present invention also is applicable to the fast assembling-disassembling of this fixture 10 (chopper) and a protecting cover 40.

Claims (5)

1. the device for quickly disassembling of a sawing machine comprises a fixture and a connecting piece; It is characterized in that:

This fixture, have one first side, one and opposing second side, a blocking hole and the hole that is arranged on this blocking hole one side and is arranged with that is connected the intermarginal end side surface of this first and second side respective side, this end side surface of vicinity and runs through this first and second side in this first side by this end side surface, this end side surface is extended along a first direction, and this blocking hole is non-circular;

This connecting piece, be installed on this fixture, and has a body that is resisted against this first side, one is installed in this body and clamping block that should the blocking hole and one is installed in this body and to joint block that should hole, this body has a pulling part that is positioned at this joint block one side, this clamping block has the fastening part in the corresponding blocking of profile hole, this joint block has one and compels the portion of closing, when this clamping block and this joint block are positioned at a primary importance, this fastening part and compel the portion of closing with respect to this blocking hole, hole produces and breaks away from, when this clamping block and this joint block are positioned at a second place, this fastening part produces dislocation embedding system with respect to this blocking hole, and this joint block is embedded in this hole.

2. the device for quickly disassembling of sawing machine as claimed in claim 1, it is characterized in that: this fixture is a chopper.

3. the device for quickly disassembling of sawing machine as claimed in claim 1, it is characterized in that: the clamping block of this connecting piece also has one and is attached between this fastening part and this body and compared to this fastening part and is the neck of bringing shape together, and this joint block also has one and is attached at this and compels between the portion of closing and this body and compel the portion of closing compared to this to be the neck of bringing shape together.

4. the device for quickly disassembling of sawing machine as claimed in claim 3, it is characterized in that: the blocking hole of this fixture is microscler poroid, the rounded column of the neck of this clamping block, and it is microscler tabular that this fastening part is, this joint block to compel the portion of closing in the form of annular discs, this neck is the circle footpath and compels the cylindric of the portion of closing less than this.

5. the device for quickly disassembling of sawing machine as claimed in claim 4, it is characterized in that: the hole of this fixture is that unidirectional open arc groove shape is offered in the center of circle with the central point in this blocking hole, and have an openend that is arranged at this end side surface and one and extend the positioning end that is produced inwardly by this openend, this openend has one and levels off to this blocking hole and be skewed guidance part.

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