CN212763900U

CN212763900U - Locking structure for carpentry saw blade

Info

Publication number: CN212763900U
Application number: CN202020460451.4U
Authority: CN
Inventors: 张聪捷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-03-23
Anticipated expiration: 2030-04-01

Abstract

The utility model provides a carpenter's saw bit lock solid structure, it disposes a plurality of gaskets and two saw bits of a plurality of conveying power by carpenter's saw bit lock solid module, and the module structure that constitutes can accelerate work efficiency by a wide margin in order to do benefit to fast assembly, and it is accurate to make the relative position fix because of the saw bit configuration module, only need one-hand drive hexagonal spanner screw-thread when finally fastening, do not need reuse both hands drive the operation of loosening or screwing the bolt, be applied to and reach the multiaxis accurate after planing wood worker's machinery's the many main shafts saw bit assembly on four sides, the saw bit structure stabilizes and accelerates the practical progressive nature of operation speed, with the purpose that improves whole work efficiency.

Description

Locking structure for carpentry saw blade

Technical Field

The present invention relates to a locking structure for a saw blade of a carpenter, and more particularly to a locking structure for a saw blade of a multi-spindle used in a four-sided planing machine.

Background

A four-side planing wood working machine is a wood working machine for planing concave and convex shape of wood surface, the known four-side planing wood working machine is a multi-spindle saw blade with processing saw blade, as shown in figure 1-2, it includes a spindle A1, one end of which is equipped with a spindle combination section A2, the surface of the spindle combination section A2 is equipped with a key seat, the key seat is equipped with two parallel keys A3, the spindle combination section A2 is equipped with a first pad A4, a first blade A5, a second pad A6, a second blade A7, a third pad A8, a fourth pad A9, and a fifth pad A10 in sequence, the above-mentioned elements are equipped with key slots for providing snap-in positioning corresponding to the parallel keys A3, so that the first blade A5 and the second blade A7 can be matched with the spindle A1 to rotate synchronously, one end of the spindle combination section A6 is equipped with a screw lock and a hexagonal screw bolt 13 for fixing the first pad A11 and a nut 73727, a fixing tool C1 and a driving tool B1 included in a driving tool D are respectively used to screw the fixing nut a12 to fix the first washer A4, the first saw blade A5, the second washer A6, the second saw blade a7, the third washer A8, the fourth washer a9 and the fifth washer a10 of the shaft coupling section a2 of the main shaft a1, one end of the fixing tool C1 is provided with a fixing sleeve C2, the fixing sleeve C2 is sleeved on the hexagonal head end a13, one end of the driving tool B1 is provided with a driving sleeve B2, the driving sleeve B2 is sleeved on the fixing nut a2, the fixing tool C2 is driven by a fixing wrench C2 to fix and limit the rotation of the main shaft a2, and the hexagonal driving tool B2 is screwed on the fixing nut a2 by a driving wrench B or a driving tool B2 to screw the driving nut a2 a driving wrench B for fixing or screwing the driving nut 2; however, when the conventional spindle a1 is to replace the saw blade, the fixing nut a12 needs to be unscrewed, the washers and the saw blades need to be sequentially detached from the shaft connecting section a2 of the spindle a1, the washers and the saw blades need to be sequentially installed again, and after installation, the driving tool B1 and the fixing tool C1 need to be driven by both hands, so that the fixing nut a12 tightly presses the washers and the saw blades for positioning, and finally, the machine test is performed for calibration.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a carpenter's saw bit lock solid structure, it can overcome prior art's defect, to knowing that the structure is troublesome and inconvenient and very shortcoming consuming time improves, can do benefit to fast assembly, can accelerate work efficiency by a wide margin.

In order to achieve the above object, the utility model discloses a carpenter's saw bit lock solid structure, its characterized in that includes:

one end of the main shaft axially extends to form a shaft assembly section, one side of the shaft assembly section, which is opposite to the main shaft, is provided with a side blocking surface, and the center of one axial end surface of the shaft assembly section is provided with a screw fixing hole;

a locking module for carpentry saw blade comprises:

a shaft sleeve, wherein a shaft through hole is axially arranged in the shaft sleeve in a penetrating manner, a shaft group section of the main shaft is axially arranged in the shaft through hole, a section of the shaft group section is exposed out of the shaft group section, the tail end of the shaft sleeve is provided with a side end edge, the side end edge is limited and stopped on a side baffle surface of the main shaft, an external thread section is formed on the outer edge of the other end of the shaft sleeve, and at least one side of the outer edge of the shaft sleeve is provided with a parallel key;

a plurality of gaskets, the center of which is respectively provided with a shaft hole, the radial position of at least one side of the shaft hole is provided with a key slot, the shaft hole corresponds to the shaft group and is limited at the side end edge of the shaft sleeve in a blocking way, and the key slot of each gasket is arranged in a mutual embedding way corresponding to the parallel key of the shaft sleeve;

the center of each saw blade is respectively provided with a fixing hole, the radial position of at least one side of each fixing hole is provided with a key configuration groove, each fixing hole corresponds to the shaft group in the shaft sleeve, each saw blade is staggered, clamped and forced to abut against the alternate position of each gasket, and the key configuration grooves of each saw blade correspond to the parallel keys of the shaft sleeve and are mutually embedded and configured;

an axial fixing nut, which comprises an inner screw hole, wherein the inner screw hole is assembled on the outer screw section of the shaft sleeve by a guide screw and is used for forcing the gaskets and the saw blades to be positioned in the shaft sleeve;

one end of the sleeving piece is provided with a sleeving opening, the sleeving opening is sleeved on the exposed section of the shaft group section of the main shaft, the periphery of the sleeving opening is blocked on the end face of the axial fixing nut for limiting, and the center of the sleeving piece is provided with a combination hole;

the fastening screw piece is provided with a head end and a screw group part, one end of the screw group part is provided with a screw group end, and the screw group end penetrates through the combination hole of the sleeving piece and the screw fixing hole of the main shaft in a screw locking mode.

The plurality of gaskets comprise a first gasket, a second gasket, a third gasket, a fourth gasket and a fifth gasket which are sequentially axially assembled on the shaft sleeve, and the at least two saw blades respectively comprise a first saw blade and a second saw blade; wherein the first gasket is provided with a first shaft hole in the center, and at least one side of the first shaft hole is provided with a first key groove in the radial direction; the second gasket is provided with a second shaft hole in the center, and a second key groove is arranged at the radial position of at least one side of the second shaft hole; the third gasket is provided with a third shaft hole in the center, and a third key groove is arranged at the radial position of at least one side of the third shaft hole; the center of the fourth gasket is provided with a fourth shaft hole in a penetrating way, and at least one side of the fourth shaft hole is provided with a fourth key groove in the radial direction; a fifth shaft hole is formed in the center of the fifth gasket in a penetrating manner, and a fifth key groove is formed in the radial position of at least one side of the fifth shaft hole; the first saw blade is provided with a first fixing hole in the center, and a first key configuration groove is arranged at the radial position of at least one side of the first fixing hole; a second fixing hole is arranged in the center of the second saw blade in a penetrating manner, and a second key configuration groove is arranged at the radial position of at least one side of the second fixing hole; wherein the first and second spacers have a relatively thin thickness, and the third and fourth spacers have a relatively thick thickness; wherein the first saw blade is clamped and tightly pressed at the alternate positions of the first gasket and the second gasket, and the second saw blade is clamped and tightly pressed at the alternate positions of the second gasket and the third gasket.

The key seat is concavely arranged at the relative position of the shaft sleeve and the parallel key, a plurality of locking holes are arranged at the preset position of the key seat, a through hole is arranged at the parallel key corresponding to each locking hole, and a bolt is correspondingly screwed through the locking holes and the through holes for locking and combining.

The parallel keys are two groups and are respectively arranged at the radial positions of two sides of the shaft sleeve, the gaskets are also provided with two key slots corresponding to the two parallel keys of the shaft sleeve, and the at least two saw blades are also provided with two key configuration slots corresponding to the two parallel keys of the shaft sleeve.

Wherein, the head end of the fastening screw and the relative circumferential position of the screw group part form a lead inclined end, and the combined hole of the sleeving part forms a lead inclined surface for matching arrangement corresponding to the lead inclined end.

Therefore, the utility model discloses a carpenter's saw bit lock solid module disposes these a plurality of gaskets and two saw bits of a plurality of conveying power, and the module structure that constitutes can accelerate work efficiency by a wide margin in order to do benefit to fast assembly, and it is accurate because of the saw bit configuration module makes the relative position fix, only need one-hand drive hexagonal spanner screw-thread when finally fastening, do not need reuse both hands drive to unscrew or screw the bolt operation, it is accurate to be applied to many main shafts saw bit post-assembly of four sides plane woodworking machine can reach the multiaxis and counterpoint, the saw bit structure is firm and accelerate the practicality of operating speed, in order to improve whole work efficiency's purpose.

Drawings

FIG. 1: showing an assembled perspective view of a conventional saw blade locking structure.

FIG. 2: a partial assembled cross-sectional view of a conventional saw blade locking structure is shown.

FIG. 3: shows the combined perspective view of the woodworking saw blade locking structure of the utility model.

FIG. 4: showing the exploded perspective view of the woodworking saw blade locking module of the utility model.

FIG. 5: shows the three-dimensional combination diagram of the woodworking saw blade locking module of the utility model.

FIG. 6: showing the perspective view of the fastening screw of the present invention.

FIG. 7: showing a cross-sectional view of the fastening screw of the present invention.

FIG. 8: the three-dimensional exploded view of the main shaft and the woodworking saw blade locking module of the present invention is shown.

FIG. 9: shows the combined section view of the main shaft and the woodworking saw blade locking module.

FIG. 10: the partially enlarged combined cross-sectional view of the present invention is shown.

Detailed Description

Please refer to fig. 3-10, which are preferred embodiments of the locking structure for a woodworking saw blade of the present invention, and are mainly applied to a mutual locking structure for a spindle and a saw blade of a four-sided planing woodworking machine, but these embodiments are only for illustration purpose, and are not limited by this structure in the patent application; the method comprises the following steps:

one end of a main shaft 1 extends axially to form a shaft group section 3, one side of the shaft group section 3 opposite to the main shaft 1 is formed with a side blocking surface 2, and the center of one axial end surface of the shaft group section 3 is provided with a screw hole 4.

A locking module A for carpentry saw blade comprises:

a shaft sleeve 10, wherein a shaft through hole 12 is axially arranged in the shaft sleeve 10, the shaft assembly section 3 of the main shaft 1 is arranged at the shaft through hole 12, and the shaft assembly section 3 is exposed out of a section, a side end edge 11 is arranged at the tail end of the shaft sleeve 10, the side end edge 11 is just limited and stopped at the side stop surface 2 of the main shaft 1, an external thread section 13 is formed at the outer edge of the other end of the shaft sleeve 10, a parallel key 20 is arranged at two sides of the outer edge of the shaft sleeve 10, a key seat 14 is concavely arranged at the relative position of the shaft sleeve 10 and the parallel key 20, a plurality of locking holes 15 are arranged at the preset position of the key seat 14, a through hole 21 is arranged at the parallel key 20 corresponding to each locking hole 15, and a bolt 22 is correspondingly screwed and locked and combined with the locking holes 15 and the through holes 21; wherein the parallel keys 20 are two groups in this embodiment and are respectively disposed at two radial positions of the shaft sleeve 10.

A plurality of spacers, each having a central axial hole, each having a key slot at a radial position at two sides of the central axial hole, the central axial holes corresponding to the axial assembly of the axial sleeve 10 and being stopped and limited at the side edge 11 of the axial sleeve 10, the key slots of each spacer corresponding to the parallel keys 20 of the axial sleeve 10 being mutually engaged;

the plurality of spacers includes a first spacer 30, a second spacer 30', a third spacer 50, a fourth spacer 50', and a fifth spacer 60, which are sequentially axially assembled to the shaft sleeve 10.

Wherein the first gasket 30 has a first shaft hole 31 penetrating through the center thereof, and first key slots 32 are respectively disposed at radial positions of two sides of the first shaft hole 31; the second gasket 30 'is provided with a second shaft hole 31' in the center, and the radial positions of two sides of the second shaft hole 31 'are respectively provided with a second key groove 32'; the third gasket 50 is provided with a third shaft hole 51 in the center, and radial positions on two sides of the third shaft hole 51 are respectively provided with a third key groove 52; the fourth gasket 50 'is provided with a fourth shaft hole 51' in the center, and the radial positions of the two sides of the fourth shaft hole 51 'are respectively provided with a fourth key groove 52'; a fifth shaft hole 61 is formed in the center of the fifth gasket 60 in a penetrating manner, and fifth key grooves 62 are formed in radial positions on two sides of the fifth shaft hole 61; wherein the first pad 30 and the second pad 30 'have a thinner thickness, and the third pad 50 and the fourth pad 50' have a thicker thickness.

Two saw blades, the center of which is respectively provided with a fixed hole, the radial positions of the two sides of each fixed hole are respectively provided with a key configuration groove, the fixed holes are just corresponding to the shaft group on the shaft sleeve 10, each saw blade is staggered, clamped and forced to be pressed against the alternate positions of each gasket, and the key configuration grooves of each saw blade are just corresponding to the parallel keys 20 of the shaft sleeve 10 to be mutually embedded and configured; the two saw blades respectively comprise a first saw blade 40 and a second saw blade 40', wherein the first saw blade 40 is centrally provided with a first fixing hole 41 in a penetrating manner, and radial positions of two sides of the first fixing hole 41 are respectively provided with a first key configuration groove 42; in addition, a second fixing hole 41' is formed through the center of the second saw blade 40', a second key arrangement groove 42' is formed at radial positions on two sides of the second fixing hole 41', wherein the first saw blade 40 is clamped and tightly fixed at alternate positions of the first gasket 30 and the second gasket 30', and the second saw blade 40' is clamped and tightly fixed at alternate positions of the second gasket 30' and the third gasket 50.

An axial fixing nut 70 having an inner threaded hole 71, the inner threaded hole 71 being threadedly assembled to the outer threaded section 13 of the shaft sleeve 10 and urging the plurality of washers and the respective saw blades to be positioned in the shaft sleeve 10.

A sleeve opening 83 is formed at one end of the sleeve member 80, the sleeve opening 83 is for covering the exposed section of the shaft assembly section 3 of the spindle 1, the periphery of the sleeve opening 83 is stopped at the end face of the axial fixing nut 70 for limiting, and a combination hole 81 is formed at the center of the sleeve member 80.

A fastening screw 90, which is provided with a head end 91 and a screw group portion 96, wherein a screw group end 97 is formed at one end of the screw group portion 96, the screw group end 97 is just screwed and fixed to the combination hole 81 of the sleeve 80 and the screw fixing hole 4 of the main shaft 1, a guiding inclined end 95 is formed at the relative circumferential position of the head end 91 of the fastening screw 90 and the screw group portion 96, a guiding inclined surface 82 for matching arrangement is formed at the combination hole 81 of the sleeve 80 corresponding to the guiding inclined end 95, so that the periphery of the guiding inclined end 95 of the fastening screw 90 is forced to abut against the guiding inclined surface 82 of the sleeve 80.

Therefore, when a user wants to assemble the woodworking saw blade locking module a to the shaft assembly section 3 of the main shaft 1, the gaskets and the two saw blades are respectively arranged on the shaft sleeve 10 in a shaft manner, the axial fixing nut 70 fixes the gaskets and the two saw blades to be positioned, the shaft through hole 12 of the shaft sleeve 10 is arranged on the shaft assembly section 3 of the main shaft 1 in a shaft manner, the shaft assembly section 3 is exposed out of a section, the sleeving part 80 is sleeved on the front end of the shaft assembly section 3 of the main shaft 1, the screw group end 97 of the fastening screw 90 is arranged in a screw locking fixing position corresponding to the combination hole 81 and the screw fixing hole 4 of the shaft assembly section 3, and the periphery of the inclined guiding end 95 of the fastening screw 90 is tightly abutted against the inclined guiding surface 82 of the sleeving part 80 to achieve a fastening state.

From this, the utility model discloses dispose these a plurality of gaskets and these two saw bits of a plurality of conveying power by this carpenter's saw bit lock solid module A, and the module structure that constitutes can accelerate work efficiency by a wide margin in order to do benefit to fast assembly, and it is accurate because of the saw bit configuration module makes the relative position fixed, only need one-hand drive hexagonal spanner screw-thread during final fastening, do not need reuse both hands drive the unscrewing or screw each this bolt 22 operation, it is accurate to reach the multiaxis after being applied to the many main shafts saw bit assembly of four sides plane woodworking machine, the saw bit structure stabilizes and accelerates the practical progressive nature of operating speed, with the purpose that improves whole work efficiency.

Claims

1. A locking structure for carpentry saw blade is characterized in that it includes:

a locking module for carpentry saw blade comprises:

2. The locking structure of a woodworking saw blade as claimed in claim 1, wherein the plurality of washers includes a first washer, a second washer, a third washer, a fourth washer and a fifth washer, which are sequentially axially assembled to the axial sleeve, and the at least two saw blades include a first saw blade and a second saw blade, respectively; wherein the first gasket is provided with a first shaft hole in the center, and at least one side of the first shaft hole is provided with a first key groove in the radial direction; the second gasket is provided with a second shaft hole in the center, and a second key groove is arranged at the radial position of at least one side of the second shaft hole; the third gasket is provided with a third shaft hole in the center, and a third key groove is arranged at the radial position of at least one side of the third shaft hole; the center of the fourth gasket is provided with a fourth shaft hole in a penetrating way, and at least one side of the fourth shaft hole is provided with a fourth key groove in the radial direction; a fifth shaft hole is formed in the center of the fifth gasket in a penetrating manner, and a fifth key groove is formed in the radial position of at least one side of the fifth shaft hole; the first saw blade is provided with a first fixing hole in the center, and a first key configuration groove is arranged at the radial position of at least one side of the first fixing hole; a second fixing hole is arranged in the center of the second saw blade in a penetrating manner, and a second key configuration groove is arranged at the radial position of at least one side of the second fixing hole; wherein the first and second spacers have a relatively thin thickness, and the third and fourth spacers have a relatively thick thickness; the first saw blade is clamped and tightly pressed at the alternate positions of the first gasket and the second gasket, and the second saw blade is clamped and tightly pressed at the alternate positions of the second gasket and the third gasket.

3. The locking structure of carpentry saw blade according to claim 1, wherein a key seat is recessed at a position corresponding to the parallel key, a plurality of locking holes are formed at predetermined positions of the key seat, a through hole is formed in the parallel key corresponding to each locking hole, and a bolt is screwed into the through hole corresponding to the locking hole.

4. The locking structure of carpentry saw blade as claimed in claim 1, wherein said parallel keys are divided into two groups and disposed at radial positions on two sides of said shaft sleeve, said two parallel keys of said plurality of spacers corresponding to said shaft sleeve are also provided with two key slots, and said at least two saw blades corresponding to said two parallel keys of said shaft sleeve are also provided with two key disposition slots.

5. The locking structure of a carpentry saw blade as claimed in claim 1, wherein a guiding inclined end is formed at a circumferential position of the head end of the fastening screw and the screw set portion, and a guiding inclined surface for matching is formed at the assembling hole of the engaging member corresponding to the guiding inclined end.