WO2008122176A1

WO2008122176A1 - Flip-over configuration in saw assembly of combination chop and table saw

Info

Publication number: WO2008122176A1
Application number: PCT/CN2007/070021
Authority: WO
Inventors: Jianjiang Zhang
Original assignee: Jianjiang Zhang
Priority date: 2007-04-10
Filing date: 2007-05-17
Publication date: 2008-10-16
Also published as: CN101284318A

Abstract

Flip-over configuration in saw assembly of combination chop and table saw includes a flip-over table (2) and a dial (3) mounted on the flip-over table. A rack (5) for fixing the saw assembly of the combination chop and table saw is mounted on the dial. Said flip-over table is pivotally mounted on the table (1) about a rotatable shaft which is parallel to table, and the first orientation mechanism for orienting the flip-over table to the position of facing or inversely facing the table is mounted between the flip-over table and the table. The dial is connected with the flip-over table in the form of rotatable in the plane of the flip-over table, and the second orientation mechanism is mounted between the dial and the flip-over table.

Description

(I) Field of the Invention The present invention relates to a power tool, particularly a composite unit.

(II) Background At present, the conversion of the sawing table/table saw state of the composite table saw used in international and domestic use is realized by the table turning mode. The main disadvantages are: The standard for the front and back surfaces of the workbench to meet the working surface requires fine machining and surface treatment, and the manufacturing cost is large.

(III) SUMMARY OF THE INVENTION The present invention is intended to solve the shortcomings of the conventional composite station in terms of high manufacturing cost, and to provide a low-cost composite head rollover structure.

The composite table saw head reversing structure of the present invention comprises a turning table and a rotating seat arranged on the turning table, and the rotating seat is provided with a mounting seat for mounting the composite table saw head, wherein the turning table passes through a parallel The rotating shaft of the work surface is connected on the work surface, and the first positioning mechanism is arranged between the turning table and the work surface to position the turning table at the front surface toward the work surface or the reverse surface toward the work surface, and the rotary seat can be flipped The rotation in the plane of the table is connected to the turning table, and a second positioning mechanism is arranged between the rotating seat and the turning table. The first positioning mechanism includes a positioning pin extending from an outer edge of the turning table, and a limiting head for fixing the positioning pin, the limiting head being mounted at an allowable limit head moving position The chute is connected to the work surface in a sliding groove contacting or disengaging the positioning pin. There are two positioning pins, which are arranged symmetrically with respect to the rotating shaft of the turning table. The limiting head is connected to a push handle through a connecting rod, and the sliding slot is in the form of a sliding sleeve, and the pushing handle is provided with a return spring.

The first positioning mechanism may also be: a latch that can extend under the turning table to support the turning table, and the associated pin is installed in the sliding slot on the working table. , _rt

Description

The first positioning mechanism may also be: a latch mounted in a chute on the table, the latch engaging a receptacle on the outer edge of the flip table.

The second positioning mechanism includes a latch disposed on the swing base and a jack disposed on the turning table and mating with the plug.

The jack includes a first jack having a position for positioning the head toward a state suitable for the table saw state, and a second jack having a second jack The swivel is positioned to position the handpiece toward a position suitable for the cutting saw. Or the latch includes a first latch and a second latch, the first latch having a position to position the head toward the state suitable for the table saw, the second latch having the seat positioned Orient the nose to a position suitable for the state of the cutting saw. The second positioning mechanism includes a latch disposed on the turning table and a jack disposed on the seat and engaging with the pin.

The jack includes a first jack having a position for positioning the head toward a state suitable for the table saw state, and a second jack having a second jack The swivel is positioned to position the handpiece toward a position suitable for the cutting saw. Or the latch includes a first latch and a second latch, the first latch having a position to position the head toward the state suitable for the table saw, the second latch having the seat positioned Orient the nose to a position suitable for the state of the cutting saw. When the saw is in the state of cutting, the bolt locks the rotary seat so that it cannot rotate, and the limiting head locks a positioning pin on the outer side to position the turning table, and the cutting saw can be processed at this time. When converting the table saw state: Step 1: Lift the pin, turn the seat in any direction and turn it 180°, insert the pin into the jack, and position the seat. At this time, the head is turned out of the workbench. Step 2: Push the limit head to disengage the positioning pin from the limit head, turn the head part, turn the flip table 180°, and the limit head contacts the positioning pin on the other side of the flip table. Saw processing. The advantages of the invention are as follows: 1. The table is turned over to the head reversal, and the rotation between the cutting saw/table saw state is also realized. , _rt

Description

Change, only need to finish the surface of the workbench and surface treatment, greatly reducing the manufacturing; 2, can reduce the overall thickness of the workbench, can be set up several reinforcement ribs, saving raw material resources.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will be further described with reference to the accompanying drawings in which: Figure 1 is a schematic view of the present invention in a state of a sawing saw. Figure 2 is a schematic view of the state of the present invention in a state of converting from a sawing state to a table saw. 4 is a schematic view of the K direction of FIG. 3, FIG. 5 is a schematic view of the present invention, FIG. 7 is a schematic view of the present invention, FIG. 7 is a schematic view of the present invention, FIG. FIG. 10 is a schematic view of a rotary seat positioning device of the present invention. FIG. 11 is a schematic view of another rotary seat positioning device of the present invention. FIG. 12 is a schematic view of another rotary seat positioning device of the present invention. , _rt

Description

(5) Examples

Embodiment 1 Referring to Figure 1-8, 11: The composite table saw head reversing structure of the present invention comprises a turning table 2 and a rotating seat provided on the turning table 2

3. The rotary seat 3 is provided with a mounting seat 5 for mounting a composite table saw head. The turning table 2 is connected to the work surface 1 by a rotating shaft parallel to the work surface 1, between the turning table 2 and the work surface 1. a first positioning mechanism is provided for positioning the turning table at a position facing the front surface of the work surface 1 or at a position opposite to the work surface 1 , and the rotary seat 3 is connected to the turning table 2 so as to be rotatable in the plane of the turning table 2 A second positioning mechanism is installed between the rotary seat 3 and the turning table 2.

The first positioning mechanism includes a positioning pin 9 extending from the outer edge of the turning table, and a limiting head 9 for fixing the positioning pin 8. The limiting head 9 is mounted at an allowable limit. The head 9 is moved to contact or disengage from the chute 12 of the positioning pin 8, and the chute 12 is coupled to the work surface 1. There are two positioning pins 8 which are arranged symmetrically with respect to the rotating shaft of the turning table 2. The limiting head 9 is connected to a push handle 17 via a connecting rod 10 and a limiting head fixing plate 11. The sliding slot 12 is in the form of a sliding sleeve, and the pushing handle 7 is provided with a return spring 13. The rotating base 3 has a circular shape, and the turning table 2 is provided with a groove adapted to the shape of the rotating base 3, and the rotating base 3 is slidable , _rt

The rotary floor is mounted in the recess, and the upper surface of the rotary seat 3 is covered with a pressure plate 22 for limiting its vertical displacement. The second positioning mechanism includes a latch 19a disposed on the slewing seat 3 and a first insertion hole 25 and a second insertion hole 25a disposed on the reversing table 2 and engaging with the insertion pin 19a. An insertion hole 25 has a position for positioning the rotary base 3 such that the head is oriented toward a state suitable for the table saw, and the second insertion hole 25a has a position for positioning the rotary head toward the state suitable for the cutting saw.

When the saw is in the state of cutting, the latch 19a locks the first insertion hole 25, the rotary seat 3 cannot be rotated, and the reverse rotation table 2 is supported by the limit head.

9 Lock the outer positioning pin 8 to ensure that the turning table can not be turned over. At this time, the cutting saw can be processed. When converting the table saw state: First step: Pull the pull button 23 on the latch 19a outward, and rotate the rotary seat 180° in any direction. With the action of the pull button spring 24, the latch 19a is automatically positioned on the second insertion hole 25a. And lock the seat 3 can not rotate, at this time the machine head out of the workbench, see Figure 2. Step 2: Push the saw push handle 7 to slide the positioning pin 8 out of the limit head 9, pull, hold and push the head part, turn the flip table 2 by 180°, and the limit head 9 automatically locks the other one. Position the pin 8a, at which point the table saw can be machined, see Figure 3.

Embodiment 2 1 to 8, 12: On the basis of the first embodiment, the change made in this embodiment is the setting manner of the second positioning mechanism. The second positioning mechanism employed in this embodiment includes a latch on the swivel 3 that is identical to the latch 19a.

19b, the latch 19b and the pin 19a are symmetrical to the center of rotation of the base 3 and are provided with a torsion spring 27. Thus, as long as the first jack 25 is provided on the turntable 2, when the head needs to be rotated 180 degrees, the latch 19b is positioned at the first jack.

25. The rest is the same as the embodiment.

Embodiment 3 Referring to Figures 1-8 and 10: On the basis of Embodiment 1, the change of this embodiment is the arrangement mode of the second positioning mechanism. The second positioning mechanism used in this embodiment includes a latch 19 disposed on the turning table 2 and a first jack 26 and a second jack 26a disposed on the swivel 3 and mating with the latch 19, The first insertion hole 26 has a position for positioning the rotary seat 3 so that the head is oriented toward the state of the table saw, and the second insertion hole 26a has the rotation of the rotary seat 3 so that the head is oriented toward the state suitable for the cutting saw. position.

The rest is the same as in the first embodiment.

Embodiment 4 , _rt

DETAILED DESCRIPTION Referring to Figures 1-8, 10: On the basis of Embodiment 3, the change of this embodiment is the arrangement of the second positioning mechanism.

The second positioning mechanism adopted in this embodiment includes a first latch 19 and a second latch 19b, and the first latch

19 has a position to position the swivel 3 so that the head is oriented toward the state of the table saw, and the second pin 1% has a position to position the head so that the head is oriented to the state of the dicing saw.

The rest is the same as in the third embodiment.

Embodiment 5 Referring to Figures 1-6, 9, and 11: On the basis of Embodiment 1, the change made in this embodiment is the first positioning mechanism. The first positioning mechanism used in this embodiment is: a latch 16 mounted on the pressure plate 18 on the table 1, the latch 16 mating with the slots 17, 17a on the outer edge of the flip table 2, the slot 17, 17a is symmetrical to the rotating shaft of the turning table 2. When the transition from the dicing saw state to the table saw state is implemented, when the latch 16 is engaged with the slot 17, the cock is positioned to bias the nose toward the table saw state. When the latch 16 is engaged with the slot 17a, the swivel is positioned such that the nose is oriented toward the cutting saw state. The tail of the latch 16 projects beyond the transverse groove in the pressure plate 18, which also passes through the chute 15 on the tie rod 14. Thus, when the pull rod 14 is pushed back and forth, the latch 16 extends into or out of the slots 17, 17a. The pull rod 14 is also covered with a return spring Description

13.

Embodiment 6

The variation of the embodiment on the basis of the fifth embodiment is the manner in which the latch 16 supports the turning table 2. In the present embodiment, the latch 16 is no longer engaged with the slot 17, but extends below the flip table 3 to support the flip table 3. The rest of the settings are the same as in the fifth embodiment.

Claims

Claim

1. A composite table saw head reversing structure, comprising: a turning table and a rotating seat arranged on the turning table, wherein the rotating seat is provided with a mounting seat for mounting the composite table saw head, and the turning table passes through a parallel The rotating shaft of the work surface is connected to the work surface, and the first positioning mechanism is disposed between the turning table and the work surface for positioning the turning table at a position facing the front surface of the working surface or a position facing the working surface opposite the rotating table. The rotation in the plane of the turning table is connected to the turning table, and a second positioning mechanism is arranged between the rotating seat and the turning table.

2. The composite table saw head reversing structure according to claim 1, wherein: said first positioning mechanism comprises a positioning pin extending from an outer edge of the turning table, and a fixing pin for fixing said positioning pin. The limiting head is mounted in a sliding slot that allows the limiting head to move to contact or disengage the positioning pin, and the sliding slot is connected to the working surface.

3. The composite table saw head reversing structure according to claim 2, wherein: the positioning pin has two, which are symmetrically arranged with respect to the rotating shaft of the turning table.

The composite table saw head reversing structure according to claim 2, wherein: the limiting head is connected to a push handle through a connecting rod, and the sliding slot is in the form of a sliding sleeve, and the pushing handle is A return spring is mounted on it.

The composite table saw head reversing structure according to claim 3, wherein: the limiting head is connected to a push handle through a connecting rod, and the sliding slot is in the form of a sliding sleeve, and the pushing handle is A return spring is mounted on it.

6. The composite table saw head reversing structure according to claim 1, wherein: said first positioning mechanism is also: a latch that can extend under the turning table to support the turning table, and the associated pin is mounted on Inside the chute on the workbench.

7. The composite table saw head flip structure according to claim 1, wherein: said O 2008/122176 , ^ , - , , . PCT/CN2007/070021

Claims

The positioning mechanism can also be: a latch mounted on the table, the latch engaging the insertion hole on the outer edge of the flipping table.

8. The composite table saw head reversing structure according to any one of claims 1 to 7, wherein: the rotating base is circular, and the turning table is provided with a groove adapted to the shape of the rotating seat. The rotary seat is slidably mounted in the recess, and the upper surface of the rotary seat is covered with a pressure plate for limiting its vertical displacement.

9. The composite table saw head reversing structure according to claim 8, wherein: said second positioning mechanism comprises a latch disposed on the swivel seat and is disposed on the turning table to cooperate with said latch Jack.

10. The composite table saw head reversing structure according to claim 9, wherein: said jack comprises a first jack and a second jack, said first jack having a revolving seat positioned Positioning the handpiece toward a position suitable for the table saw state, the second receptacle has a position to position the nose cap toward the head for application to the cutting saw.

11. The composite table saw head reversing structure according to claim 9, wherein: said pin comprises a first pin and a second pin, said first pin having a position to position the head Suitable for the position of the table saw state, the second pin has a position to position the head to position the head toward a state suitable for the saw.

12. The composite table saw head reversing structure according to claim 8, wherein: said second positioning mechanism comprises a latch disposed on the turning table and a screw disposed on the socket for engaging with said latch Jack.

13. The composite table saw head flip structure according to claim 12, wherein: the jack includes a first jack and a second jack, and the first jack has a position for positioning the swivel Positioning the handpiece toward a position suitable for the table saw state, the second receptacle has a position to position the nose cap toward the head for application to the cutting saw. Claim

14. The composite table saw head reversing structure according to claim 12, wherein: said pin comprises a first pin and a second pin, said first pin having a position to position the head Suitable for the position of the table saw state, the second pin has a position to position the head to position the head toward a state suitable for the saw.