CA1161648A - Portable tool jig support - Google Patents
Portable tool jig supportInfo
- Publication number
- CA1161648A CA1161648A CA000380606A CA380606A CA1161648A CA 1161648 A CA1161648 A CA 1161648A CA 000380606 A CA000380606 A CA 000380606A CA 380606 A CA380606 A CA 380606A CA 1161648 A CA1161648 A CA 1161648A
- Authority
- CA
- Canada
- Prior art keywords
- tool
- spindle
- support
- housing
- jig support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/52—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair
- B23Q1/522—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair which is perpendicular to the working surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
- B23Q1/4804—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single rotating pair followed perpendicularly by a single sliding pair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/04—Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/067—Blocks with collet chucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/10—Auxiliary devices, e.g. bolsters, extension members
- B23Q3/104—V-blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/066—Work supports, e.g. adjustable steadies adapted for supporting work in the form of tools, e.g. drills
Abstract
ABSTRACT OF THE DISCLOSURE
A portable tool jig support according to the present invention is adapted to fit to a table of a tool working apparatus. The tool jig support comprises a housing fitted with an elongated rotatable member extending substantially horizontally through the housing. The elongated rotatable member is provided at one end with tool jig receiving means for detatchably receiving a tool jig and with handle means at the other end for rotating the rotatable member and enabling adjustment of the tool jig when it is fitted to the support.
A portable tool jig support according to the present invention is adapted to fit to a table of a tool working apparatus. The tool jig support comprises a housing fitted with an elongated rotatable member extending substantially horizontally through the housing. The elongated rotatable member is provided at one end with tool jig receiving means for detatchably receiving a tool jig and with handle means at the other end for rotating the rotatable member and enabling adjustment of the tool jig when it is fitted to the support.
Description
~ ~.6~
FIELD OF THE INVENTION
______ _ The present invention relates to a portable tool jig support for fitting to a table of a tool working apparatus. The jig support is capable of accepting different tool jigs and has particular application for use in tool cuttiny and end mill grinding operations.
BACKGROUND_OF THE_INVENTION
According to standard tool grinding and cutting operations, separate machines are required for each individual job. These machines are not only large, making them awkward to locate in a small machine shop, but they are also very expensive particularly since a number of these machines are required to have a relatively complete machine shop. In fact, the cost of such machines may be prohibitive for the small operation such as that run by a single machinist on his own.
SUMMARY OF_THE INVENTION
The present invention provides a portable tool jig support adapted to fit to a table of a tool working apparatus. The tool jig support comprises a housing fitted with an elongated rotatable member extending substantially horizontally through the housing. The rotatable member is provided at one end with tool jig receiving means for detatchably receiving a tool jig and handle means away from the tool jig receiving means for rotating the elongated rotatable membe{ and enabling adjustment of the tool jig when it is fitted on the rotatable member.
The portable jig support of the present invention may be set up to accommodate different types of t:ool jigs '~
1 and therefore eliminates the need for the standard and quite substantial supporting and guiding elements on presently available separate and distinct varieties of tool working apparatus. In fact with the portable jig support of the present invention, only a grinding wheel or the like need be provided in conjunction with the table on the apparatus for supporting the jig support~
The tool ~ig support of the present invention is then used to support the tool jig attached to the rotatable member in various different positions with respect to the grinding wheel through the rotational adjustment of the rotatable member.
According to an aspect of the present invention the elongated rotatable member is adapted to receive, one at a time, both a tool chock which has particular application for tool grinding operations and a tool guide and clamp which is particularly useful for the cutting of various shaped tools. In order to provide a thorough grinding of the tool the elongated rotatable member is ~0 hori~ontally as well as rotationally adjustable. On the other hand for proper tool cutting operations the elongated rotatable member is fixed against horizontal movement while the tool guide and clamp is adjustable at 90 degrees to the axis of rotation of the elongated rotatable member to enable multi adjustments of a tool fitted into the guide and clamp.
BRIEF DISCUSSION OF_THE_DRAWINGS
The above as well as other advantages and features of the present invention will be described according to the detailed description oE the preferred embodiments of 4~
1 the present invention wherein:
Figure 1 is a perspective view looking down on a portable support with a tool jig fitted to the support according to a preferred embodiment of the invention with the support fitted to the table of a tool working apparatus;
Figure 2 is a partially exploded perspective view looking down on the portable tool support and jig shown in Figure l;
Figure 3 is a front plan view of the tool jig on the portable support of Figure 2;
Figure 4 is a perspective view looking down from the rear of the portable support and tool jig of Figure 2 Figure 5 is an exploded perspective view of the portable support and tool jig of Figure l;
Figure 6 is a cross sectional view taken along the lines 6-6 of Figure 2;
Figure 7 is a longitudinal sectional view taken along the line 7-7 of Figure 4;
Figure 8 is an exploded perspective view of a portable tool jig support which according to a further preferred embodiment of the present invention is adapted to receive an alternate tool jig support from that shown in the earlier figures; and, Figure 9 is a longitudinal sectional view of the arrangement shown in Figure 8 when assembled and in position beneath a grinding wheel of a tool working apparatus.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMEMTS OF THE
PRESENT INVE~TION
____________..____________________________ ____. .._ _______ 1 Figure 1 shows the portable tool jig according to one aspect of the invention wherein an adjustable tool clamp and guide generally indicated at 37 is fitted to the jig support which is in turn supported on a working table of a grinding wheel machine. However Figure 9 shows in cross section, a further aspect of the invention wherein the portable jig support is used to support a tool chuck for use in the grinding of an end mill at the grinding wheel.
Both of the above aspects of the present invention are based on a tool jig support which can be set up for either one of the two above modes of operation. This jig support to which various adaptations are made according to the mode of operation desired is well shown in Figure 8.
The support itself comprises a metallic housing 1 having a flat base 3 which fits flushly to the table of the grinder. In accordance with standard construction the table of the grinder is electro-magnetic for magnetization of the housing to the table to effectively secure the support in position.
A hollow rotatable spindle 5 extends horizontally through the housing as shown in Figure 7. The spindle includes a reduced diameter portion 10 extending out the back of the housing and is provided at its forward end with an annular collar 9 adapted to abut a forward plate 15 of the housingO A tapered region 11 is provided interiorly of the spindle immediately rearwardly of annular collar 9.
The spindle is provided with a continuous annular groove 8 while the support is provided with a small 1 opening 19 with which groove 8 may be aligned. For the mode of operation shown in Figure 1 a pin 21 is fitted through opening 19 into groove 8 to eliminate any longitudinal shifting of tha spindle without affecting its rotation.
The portable support is set up as shown in Figures 1 through 7 for use in supporting the adjustable tool guide and clamp of Figure 1. According to this set up pin 21 is fitted in position to lock spindle 5 against horizontal shifting. A rear end plate 17 is then Eitted on the reduced diameter portion 10 of the spind:Le. This plate is keyed against rotation on the spindle. A
rearward handle 7 is also keyed on the reduced diameter portion of the spindle.
The tool guide clamp is secured to the forward ; collar ~ of the spindle by means of bolts 31 which thread into apertures 13 of the spindle collar. The bolts extend completely through the collar where they thread into plate 15 so that the Eorward plate as well as the tool guide and clamp rotate with the spindle by means of handle 7.
The housing is provided with a collar portion 23 immediately behind plate 15. This collar portion is provided with a plurality of apertures 25 as well shown in Figure 6. Plate~15 is on the other hand provided with apertures 16 regularly spaced around the plate.
Apertures 16 and 23 cooperate with one another to provide a Vernier scale on the ætructure. According to this Vernier scale the apertures 16 and 23 may be aligned with one another at various angular positions around the 6a~B
1 forward plate and locked in position by means of a pin 26 so that the tool guide and clamp 37 can be held at essentially any angle with respect to the wheel of the tool grinder. Plate 15 is further provided wi~h a visually readable scale 27 to indicate the angular position of the tool guide clamp.
The tool guide and clamp 37 fits directly to the spindle collar and is provided with a groove 39 extending completely along the body portion and opening at a flat surface 38 which is capped by a plate 47. A V-block 41 having side slots 43 is adjustably positioned within guide slot 39. A threaded adjuster 49 is threaded through both plate 47 and the rear portion 45 of the V-block which is located within guide slot 39. Plate ~7 is fixed in position so that by rotating adjustment member 49 the V-block moves either up or down in the guide slot as sbown in Figure 3.
As shown in Figure 2 the V-block is adapted to receive a clamping member 51 having inwardly projecting lugs 53 adapted to seat within a pair of longitudinal slots 46 running along the length of the V-block. Clamp 51 includes a clamp adjustment member 55 which is threaded into t,he clamp.
Figure 1 shows a piece of uncut material 61 clamped to the V-block and ready to be processed by the grinding wheel to form a tool such as a specially shaped punch or the like. This piece of material can be raised and lowered with the V-block through adjustment to threaded member 49. It can also be fixed in a particular angular position with respect to the grinding wheel by means of !L641~3 1 tbe Vernier scale. When the Vernier scale is left to freely rotate the entire arrangement ls rotated by means of handle 7. However, in forming some of the almost limitless shapes of tool that can be formed using the tool holder, it is often necessary to have limited rotation of the V-block. Accordingly! rear plate 17 is provided with a continuous groove 18 in which pins 33 are located. These pins may be locked at any desired position within groove 18 or they may be left to slide freely within the groove. The support housing is on the other hand provided with an adjustable stop member 35 which is slidable to and away from a position of engagement with respect to pins 33 as shown in Figure ~.
The rotation of plate 17 as well as the tool jig at the ~ front end of the device can therefore be limited by ; locking the pins at a set distance from one another and by moving stop member 35 to the stop position whereby the plate can only rotate through the distance between the pins 33.
This latter feature of lin,iting the rotatlon of the V-block is particularly desirable when working with a diamond needle as indicated at 67 in Figure 5 for the-inside and outside radius forming on the grinding wheel itself for the dressing of various shaped grinding wheels.
Through the use of plate 17 and pins 33 as well as the Vernier scale standard square tools are easily made by setting the pin in the Vernier scale at four 90 degree positions offset from one another to provide the square configuration. In order to form a triangular tool such as a punch or the like the Vernier scale i9 used at three 6~1~
1 120 degree positions. In order to make a rounded punch the Vernier scale is not used and plate 17 is allowed to freely rotate. For purposes of making more complicated shapes xuch as eliptical and star heads on the tool, the pin is removed from the Vernier scale and pins 33 of plate 17 are locked at different positions around the plate as dictated by the desired shape of the tool to be formed.
A second mode in which the jig support of the present invention can be ~sed is shown in Figures 8 and 9 oE the drawinys. According to this mode rear plate 17 as well as handle 7 are removed from the rearward extension 10 of spindle 5. In addition pin 21 is removed from the side of the housing to allow longitudinal sliding of the spindle. Furthermore, the guide and clamp body portion 37 as well as bolts 31 are removed from the front end of the support allowing the spindle to rotate relative to the housing.
After the rear plate and handle have been removed a draw bar 79 is fitted within the rearward extension 10 of spindle 5. Tool chuck 71 having a threaded rear end 77 is then fitted into the front end of the support until the threads 81 of the draw bar mate with the threads of the tool chuck. An end mill 76 is then fitted within the mouth 75 of head 73 of the tool chuck and the dLaw bar and tool chuck are threaded to one another until the head of the tool chuck is drawn into the tapered region 11 of spindle 5. The threading action is continued until thè
end mill is tightly clamped within the tool chuck.
1 The base of the housing is provided with a threaded opening 27 for aiigning with a threaded opening 95 of securing portion 93 of an end mill guide 85 as shown in Figure 8. The end mill guide is bolted to the base of the housing and is used to guide the positioning of the end mill for the grinding of the end mill spiral blades.
Guide 85 which is ad~ustable to accommodate different diameters of end mills includes an upper body portion 87 having an elongated slot B9 for adjustment of the upper body portion and a guide tip 91 which as shown in Figure 9 rides directly along the spiral blades while they are being ground from above by the wheel.
In order to carry out the grinding operation the spindle and tool chuck are rotated by means of handle 83 on draw bar 79. At the same time the spindle, tool chuck and end mill are moved horizontally with respect to the housing to enable grinding of the full length of the blades as they are being rotated. This horizontal positioning of the end mill is allowed by virtue of the fact that the spindle can be pushed forwardly until handle 83 of draw bar 79 abuts the back of the housing and can be pulled rearwardly to the Figure 9 positlon where plate 15 abuts housing portion 23 with pin 21 pulled out of the side of the bousing and away from groove 8 in the spindle.
It is to be understood that further tool forming operations to those described above can easily be accomplished through the use of either one of the tool ~igs described when supported from the portable ~ig support of the present invention on the table of a 1 standard tool working apparatus such as a grinding wheel or any similar device. Furthermore, although various preferred embodiments oE the invention have bee described herein in detail it will be appreciated by those skilled in the art that variations may be made thereto without departing from the spirit of the invention or the scope of the appendecl claims.
FIELD OF THE INVENTION
______ _ The present invention relates to a portable tool jig support for fitting to a table of a tool working apparatus. The jig support is capable of accepting different tool jigs and has particular application for use in tool cuttiny and end mill grinding operations.
BACKGROUND_OF THE_INVENTION
According to standard tool grinding and cutting operations, separate machines are required for each individual job. These machines are not only large, making them awkward to locate in a small machine shop, but they are also very expensive particularly since a number of these machines are required to have a relatively complete machine shop. In fact, the cost of such machines may be prohibitive for the small operation such as that run by a single machinist on his own.
SUMMARY OF_THE INVENTION
The present invention provides a portable tool jig support adapted to fit to a table of a tool working apparatus. The tool jig support comprises a housing fitted with an elongated rotatable member extending substantially horizontally through the housing. The rotatable member is provided at one end with tool jig receiving means for detatchably receiving a tool jig and handle means away from the tool jig receiving means for rotating the elongated rotatable membe{ and enabling adjustment of the tool jig when it is fitted on the rotatable member.
The portable jig support of the present invention may be set up to accommodate different types of t:ool jigs '~
1 and therefore eliminates the need for the standard and quite substantial supporting and guiding elements on presently available separate and distinct varieties of tool working apparatus. In fact with the portable jig support of the present invention, only a grinding wheel or the like need be provided in conjunction with the table on the apparatus for supporting the jig support~
The tool ~ig support of the present invention is then used to support the tool jig attached to the rotatable member in various different positions with respect to the grinding wheel through the rotational adjustment of the rotatable member.
According to an aspect of the present invention the elongated rotatable member is adapted to receive, one at a time, both a tool chock which has particular application for tool grinding operations and a tool guide and clamp which is particularly useful for the cutting of various shaped tools. In order to provide a thorough grinding of the tool the elongated rotatable member is ~0 hori~ontally as well as rotationally adjustable. On the other hand for proper tool cutting operations the elongated rotatable member is fixed against horizontal movement while the tool guide and clamp is adjustable at 90 degrees to the axis of rotation of the elongated rotatable member to enable multi adjustments of a tool fitted into the guide and clamp.
BRIEF DISCUSSION OF_THE_DRAWINGS
The above as well as other advantages and features of the present invention will be described according to the detailed description oE the preferred embodiments of 4~
1 the present invention wherein:
Figure 1 is a perspective view looking down on a portable support with a tool jig fitted to the support according to a preferred embodiment of the invention with the support fitted to the table of a tool working apparatus;
Figure 2 is a partially exploded perspective view looking down on the portable tool support and jig shown in Figure l;
Figure 3 is a front plan view of the tool jig on the portable support of Figure 2;
Figure 4 is a perspective view looking down from the rear of the portable support and tool jig of Figure 2 Figure 5 is an exploded perspective view of the portable support and tool jig of Figure l;
Figure 6 is a cross sectional view taken along the lines 6-6 of Figure 2;
Figure 7 is a longitudinal sectional view taken along the line 7-7 of Figure 4;
Figure 8 is an exploded perspective view of a portable tool jig support which according to a further preferred embodiment of the present invention is adapted to receive an alternate tool jig support from that shown in the earlier figures; and, Figure 9 is a longitudinal sectional view of the arrangement shown in Figure 8 when assembled and in position beneath a grinding wheel of a tool working apparatus.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMEMTS OF THE
PRESENT INVE~TION
____________..____________________________ ____. .._ _______ 1 Figure 1 shows the portable tool jig according to one aspect of the invention wherein an adjustable tool clamp and guide generally indicated at 37 is fitted to the jig support which is in turn supported on a working table of a grinding wheel machine. However Figure 9 shows in cross section, a further aspect of the invention wherein the portable jig support is used to support a tool chuck for use in the grinding of an end mill at the grinding wheel.
Both of the above aspects of the present invention are based on a tool jig support which can be set up for either one of the two above modes of operation. This jig support to which various adaptations are made according to the mode of operation desired is well shown in Figure 8.
The support itself comprises a metallic housing 1 having a flat base 3 which fits flushly to the table of the grinder. In accordance with standard construction the table of the grinder is electro-magnetic for magnetization of the housing to the table to effectively secure the support in position.
A hollow rotatable spindle 5 extends horizontally through the housing as shown in Figure 7. The spindle includes a reduced diameter portion 10 extending out the back of the housing and is provided at its forward end with an annular collar 9 adapted to abut a forward plate 15 of the housingO A tapered region 11 is provided interiorly of the spindle immediately rearwardly of annular collar 9.
The spindle is provided with a continuous annular groove 8 while the support is provided with a small 1 opening 19 with which groove 8 may be aligned. For the mode of operation shown in Figure 1 a pin 21 is fitted through opening 19 into groove 8 to eliminate any longitudinal shifting of tha spindle without affecting its rotation.
The portable support is set up as shown in Figures 1 through 7 for use in supporting the adjustable tool guide and clamp of Figure 1. According to this set up pin 21 is fitted in position to lock spindle 5 against horizontal shifting. A rear end plate 17 is then Eitted on the reduced diameter portion 10 of the spind:Le. This plate is keyed against rotation on the spindle. A
rearward handle 7 is also keyed on the reduced diameter portion of the spindle.
The tool guide clamp is secured to the forward ; collar ~ of the spindle by means of bolts 31 which thread into apertures 13 of the spindle collar. The bolts extend completely through the collar where they thread into plate 15 so that the Eorward plate as well as the tool guide and clamp rotate with the spindle by means of handle 7.
The housing is provided with a collar portion 23 immediately behind plate 15. This collar portion is provided with a plurality of apertures 25 as well shown in Figure 6. Plate~15 is on the other hand provided with apertures 16 regularly spaced around the plate.
Apertures 16 and 23 cooperate with one another to provide a Vernier scale on the ætructure. According to this Vernier scale the apertures 16 and 23 may be aligned with one another at various angular positions around the 6a~B
1 forward plate and locked in position by means of a pin 26 so that the tool guide and clamp 37 can be held at essentially any angle with respect to the wheel of the tool grinder. Plate 15 is further provided wi~h a visually readable scale 27 to indicate the angular position of the tool guide clamp.
The tool guide and clamp 37 fits directly to the spindle collar and is provided with a groove 39 extending completely along the body portion and opening at a flat surface 38 which is capped by a plate 47. A V-block 41 having side slots 43 is adjustably positioned within guide slot 39. A threaded adjuster 49 is threaded through both plate 47 and the rear portion 45 of the V-block which is located within guide slot 39. Plate ~7 is fixed in position so that by rotating adjustment member 49 the V-block moves either up or down in the guide slot as sbown in Figure 3.
As shown in Figure 2 the V-block is adapted to receive a clamping member 51 having inwardly projecting lugs 53 adapted to seat within a pair of longitudinal slots 46 running along the length of the V-block. Clamp 51 includes a clamp adjustment member 55 which is threaded into t,he clamp.
Figure 1 shows a piece of uncut material 61 clamped to the V-block and ready to be processed by the grinding wheel to form a tool such as a specially shaped punch or the like. This piece of material can be raised and lowered with the V-block through adjustment to threaded member 49. It can also be fixed in a particular angular position with respect to the grinding wheel by means of !L641~3 1 tbe Vernier scale. When the Vernier scale is left to freely rotate the entire arrangement ls rotated by means of handle 7. However, in forming some of the almost limitless shapes of tool that can be formed using the tool holder, it is often necessary to have limited rotation of the V-block. Accordingly! rear plate 17 is provided with a continuous groove 18 in which pins 33 are located. These pins may be locked at any desired position within groove 18 or they may be left to slide freely within the groove. The support housing is on the other hand provided with an adjustable stop member 35 which is slidable to and away from a position of engagement with respect to pins 33 as shown in Figure ~.
The rotation of plate 17 as well as the tool jig at the ~ front end of the device can therefore be limited by ; locking the pins at a set distance from one another and by moving stop member 35 to the stop position whereby the plate can only rotate through the distance between the pins 33.
This latter feature of lin,iting the rotatlon of the V-block is particularly desirable when working with a diamond needle as indicated at 67 in Figure 5 for the-inside and outside radius forming on the grinding wheel itself for the dressing of various shaped grinding wheels.
Through the use of plate 17 and pins 33 as well as the Vernier scale standard square tools are easily made by setting the pin in the Vernier scale at four 90 degree positions offset from one another to provide the square configuration. In order to form a triangular tool such as a punch or the like the Vernier scale i9 used at three 6~1~
1 120 degree positions. In order to make a rounded punch the Vernier scale is not used and plate 17 is allowed to freely rotate. For purposes of making more complicated shapes xuch as eliptical and star heads on the tool, the pin is removed from the Vernier scale and pins 33 of plate 17 are locked at different positions around the plate as dictated by the desired shape of the tool to be formed.
A second mode in which the jig support of the present invention can be ~sed is shown in Figures 8 and 9 oE the drawinys. According to this mode rear plate 17 as well as handle 7 are removed from the rearward extension 10 of spindle 5. In addition pin 21 is removed from the side of the housing to allow longitudinal sliding of the spindle. Furthermore, the guide and clamp body portion 37 as well as bolts 31 are removed from the front end of the support allowing the spindle to rotate relative to the housing.
After the rear plate and handle have been removed a draw bar 79 is fitted within the rearward extension 10 of spindle 5. Tool chuck 71 having a threaded rear end 77 is then fitted into the front end of the support until the threads 81 of the draw bar mate with the threads of the tool chuck. An end mill 76 is then fitted within the mouth 75 of head 73 of the tool chuck and the dLaw bar and tool chuck are threaded to one another until the head of the tool chuck is drawn into the tapered region 11 of spindle 5. The threading action is continued until thè
end mill is tightly clamped within the tool chuck.
1 The base of the housing is provided with a threaded opening 27 for aiigning with a threaded opening 95 of securing portion 93 of an end mill guide 85 as shown in Figure 8. The end mill guide is bolted to the base of the housing and is used to guide the positioning of the end mill for the grinding of the end mill spiral blades.
Guide 85 which is ad~ustable to accommodate different diameters of end mills includes an upper body portion 87 having an elongated slot B9 for adjustment of the upper body portion and a guide tip 91 which as shown in Figure 9 rides directly along the spiral blades while they are being ground from above by the wheel.
In order to carry out the grinding operation the spindle and tool chuck are rotated by means of handle 83 on draw bar 79. At the same time the spindle, tool chuck and end mill are moved horizontally with respect to the housing to enable grinding of the full length of the blades as they are being rotated. This horizontal positioning of the end mill is allowed by virtue of the fact that the spindle can be pushed forwardly until handle 83 of draw bar 79 abuts the back of the housing and can be pulled rearwardly to the Figure 9 positlon where plate 15 abuts housing portion 23 with pin 21 pulled out of the side of the bousing and away from groove 8 in the spindle.
It is to be understood that further tool forming operations to those described above can easily be accomplished through the use of either one of the tool ~igs described when supported from the portable ~ig support of the present invention on the table of a 1 standard tool working apparatus such as a grinding wheel or any similar device. Furthermore, although various preferred embodiments oE the invention have bee described herein in detail it will be appreciated by those skilled in the art that variations may be made thereto without departing from the spirit of the invention or the scope of the appendecl claims.
Claims (4)
OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A portable tool jig support for supporting either one of two different tool jigs selected from the group consisting of the tool chuck and an adjustable tool clamp and guide, said tool jig support comprising a housing having a base portion adapted for fitting to a table of a tool working apparatus, a rotatable spindle extending substantially horizontally through and being slideable within said housing, said spindle being provided with a tapered hollow region for receiving the tool chuck and an annular collar around said tapered hollow region for receiving the adjustable tool clamp and guide and handle means remote from said tapered region and an annual collar for rotating said spindle, said tool jig support being adapted to receive a rotation control plate and locking means for respectively adjustably controlling rotation of said spindle and locking said spindle against horizontal sliding for accurate positioning of said spindle with the adjustable tool clamp and guide fitted thereto, said rotation control plate being readily removeable from said spindle and said locking means being manually releasable at said housing for both free rotational and horizontal sliding adjustment of the tool chuck when fitted to said spindle.
2. A portable tool jig support as claimed in Claim 1 wherein said rotation control plate is removeably secured to said support by a releasable lock pin.
3. A portable tool jig support as claimed in Claim 1 wherein said spindle is provided with a continuous annular groove and said housing is provided with an opening to said groove for receiving a pin adapted to fit through said opening into said annular groove to prevent horizontal sliding of said spindle without affecting rotation thereof, said pin being frictionally engaged in said opening to enable manual removal of the pin therefrom, which, with said rotation control plate removed, enables horizontal sliding adjustment of said spindle.
4. A portable tool holder as claimed in Claim 1 wherein said plate is provided with a continuous round groove and two adjustable pins in said groove, said support having a stop member moveable to and away from a stop position for engaging said pins in said groove for limiting rotation of said plate and said spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000380606A CA1161648A (en) | 1981-06-25 | 1981-06-25 | Portable tool jig support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000380606A CA1161648A (en) | 1981-06-25 | 1981-06-25 | Portable tool jig support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1161648A true CA1161648A (en) | 1984-02-07 |
Family
ID=4120316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000380606A Expired CA1161648A (en) | 1981-06-25 | 1981-06-25 | Portable tool jig support |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1161648A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0182954A1 (en) * | 1984-11-29 | 1986-06-04 | Fiorenzo Trebbi | Device for sharpening points, reamers and threading-parts |
| US4937982A (en) * | 1988-10-31 | 1990-07-03 | Schrock Raymond V | Positioning apparatus for tool sharpening |
| FR2697460A1 (en) * | 1992-11-05 | 1994-05-06 | Norelem | Modular V-shaped support with variable orientation. |
| CN107138324A (en) * | 2017-05-28 | 2017-09-08 | 盐城东方天成机械有限公司 | A kind of frock tool in vehicle coating process |
-
1981
- 1981-06-25 CA CA000380606A patent/CA1161648A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0182954A1 (en) * | 1984-11-29 | 1986-06-04 | Fiorenzo Trebbi | Device for sharpening points, reamers and threading-parts |
| US4937982A (en) * | 1988-10-31 | 1990-07-03 | Schrock Raymond V | Positioning apparatus for tool sharpening |
| FR2697460A1 (en) * | 1992-11-05 | 1994-05-06 | Norelem | Modular V-shaped support with variable orientation. |
| CN107138324A (en) * | 2017-05-28 | 2017-09-08 | 盐城东方天成机械有限公司 | A kind of frock tool in vehicle coating process |
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| Date | Code | Title | Description |
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| MKEX | Expiry |