CN213858221U

CN213858221U - Internal stay positioning tool

Info

Publication number: CN213858221U
Application number: CN202022807297.6U
Authority: CN
Inventors: 王新; 陈月明; 薛培超
Original assignee: Dongguan Qihai Industrial Co ltd
Current assignee: Dongguan Qihai Industrial Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-03
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a positioning jig technical field, more specifically say, it relates to internal stay positioning jig, and its technical scheme main points are: including the support, prop the base in, prop the control of mechanism in mechanism and the control in, prop the base and erect in the support in, prop the base in all locating in mechanism and the control in, prop the structure in including drawing the piece, fixed block and slider, draw the piece to connect in the control, control draws the piece to keep away from or be close to and props the base in, fixed block and slider are around drawing a range and fixed block and slider opposite direction range, the fixed block is fixed in prop the base in and remain attached state throughout with the drawing piece, be connected with sliding structure between slider and the drawing piece, when drawing the piece and removing, draw the piece to drive the slider through sliding structure and be close to or keep away from the fixed block of this slider opposite direction, the utility model discloses an interior location tool that props can improve and is being thin at the wall thickness, intensity is more weak, the work piece machining efficiency after work piece such as surface easy damage or appearance irregularity advances line location.

Description

Internal stay positioning tool

Technical Field

The utility model belongs to the technical field of positioning jig technique and specifically relates to internal stay positioning jig.

Background

In the CNC processing, due to the reasons that part of the workpiece is thin in wall thickness, weak in strength, easy to damage the outer surface or irregular in shape and the like, the workpiece is not convenient to position and process by clamping the outer surface of the workpiece.

In the related art, for a workpiece which is inconvenient to be positioned by clamping the appearance, the workpiece is fixed by a screw and then is processed, when multiple surfaces are required to be processed, the workpiece needs to be repeatedly disassembled and positioned, and the disassembling speed and the positioning speed are slow, so that the processing efficiency of the workpiece is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the work piece machining efficiency after fixing a position the work piece that wall thickness is thinner, intensity is more weak, the surface easily damages or the appearance is irregular etc., this application provides an internal stay positioning jig.

The application provides an internal stay positioning jig adopts following technical scheme:

the internal support positioning jig comprises a support, an internal support base, an internal support mechanism and a control piece for controlling the internal support mechanism, wherein the internal support base is erected on the support, and the internal support mechanism and the control piece are arranged on the internal support base;

the inner supporting structure comprises a pulling block, a fixed block and a sliding block, the pulling block is connected to the control piece, the control piece controls the pulling block to be far away from or close to the inner supporting base, the fixed block and the sliding block surround the pulling block for arrangement, the fixed block and the sliding block are arranged in opposite directions, the fixed block is fixed to the inner supporting base and is always kept in an attached state with the pulling block, a sliding structure is connected between the sliding block and the pulling block, and when the pulling block moves, the pulling block drives the sliding block to be close to or far away from the opposite direction of the sliding block to the fixed block.

Through adopting above-mentioned technical scheme, put the work piece on the internal stay base and make internal stay mechanism be located the work piece, when the pull block drives the slider and keeps away from this slider subtend fixed block under the control of control, slider and fixed block can support tightly in the internal surface of work piece respectively, thereby prop up the work piece, in order to fix a position the work piece, the location process is quick and the location is stable, when the pull block drives the slider and is close to this slider subtend fixed block under the control of control, slider and fixed block stop to support the internal surface of work piece tightly, thereby loosen the work piece, in order to demolish the work piece, demolish the process quick, thereby improve at the work piece machining efficiency after fixing a position the work piece such as wall thickness is thinner, intensity is weaker, the surface is easy to damage or the appearance is irregular.

Preferably, the pull block is in a trapezoid table shape, one end of the pull block, which is far away from the inner support base, is gradually reduced towards one end of the pull block, which is close to the inner support base, two fixed blocks and two slide blocks are arranged, and the two fixed blocks and the two slide blocks surround the pull block;

one surface, attached to the pulling block, of the fixed block is a first inclined surface, the first inclined surface is parallel to the side wall, attached to the first inclined surface, of the pulling block, one surface, facing the pulling block, of the sliding block is a second inclined surface, and the second inclined surface is parallel to the side wall, facing the second inclined surface, of the pulling block;

the sliding structure comprises a dovetail groove and a dovetail strip, the dovetail groove is formed in the pull block and faces one face of the slider, the dovetail strip is arranged on a second inclined face of the slider, two ends of the length direction of the dovetail groove penetrate through the pull block respectively and deviate from the inner support base, one face of the inner support base is close to the pull block, and the dovetail strip slides in the dovetail groove.

By adopting the technical scheme, when the control part controls the pull block to move downwards, the pull block drives the slide block to be away from the opposite fixed blocks through the dovetail strip and the dovetail groove, so that the workpiece is tightly supported, and when the control part controls the pull block to move upwards, the pull block drives the slide block to be close to the opposite fixed blocks through the dovetail strip and the dovetail groove, so that the workpiece is loosened.

Preferably, the internal stay base is constructed with a boss, and the fixed block, the slider and the pull block are all arranged on the boss.

Through adopting above-mentioned technical scheme, when the work piece was put at internal stay base, the boss was tentatively spacing to the work piece to easily follow-up internal stay mechanism fixes a position the work piece.

Preferably, the control member is a cylinder.

Through adopting above-mentioned technical scheme, draw the piece through cylinder stability control and remove along the direction of being close to or keeping away from the internal stay base.

Preferably, the cylinder is fixed to the inner support base through a first screw.

Through adopting above-mentioned technical scheme for the cylinder is stable to be set up in the internal stay base, draws the removal of piece with stable control.

Preferably, the pulling block is fixed on an expansion link of the cylinder through a second screw.

Through adopting above-mentioned technical scheme for draw the piece stable connection in the telescopic link of cylinder, so that the cylinder stable control draws the removal of piece.

Preferably, the fixed block is fixed to the inner support base through a third screw.

Through adopting above-mentioned technical scheme for the fixed block is stably fixed in the internal stay base, with stably contradicting in the one side of pulling the piece.

Preferably, the inner support base is provided with a plurality of positioning columns, the fixing blocks are provided with positioning holes corresponding to the positioning columns, and each fixing block is at least provided with two positioning holes matched with the positioning columns.

Through adopting above-mentioned technical scheme, after the locating hole of fixed block was inserted by the reference column, the reference column plays the positioning action to the locating hole to be convenient for fix the fixed block.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the pull block drives the sliding block to be far away from the fixed block opposite to the sliding block under the control of the control part, the sliding block and the fixed block can respectively abut against the inner surface of the workpiece, so that the workpiece is tightly supported to position the workpiece, the positioning process is quick and stable, and the workpiece processing efficiency after positioning the workpiece with thin wall thickness, weak strength, easy damage to the outer surface, irregular appearance and the like is improved;

2. when a workpiece is placed on the inner support base, the boss preliminarily limits the workpiece, so that the workpiece is easy to position by a subsequent inner support mechanism;

3. after the locating hole of fixed block is inserted by the reference column, the reference column plays the positioning action to the locating hole to be convenient for fix the fixed block.

Drawings

FIG. 1 is a schematic structural view of an inner supporting positioning fixture in an embodiment of the present application;

FIG. 2 is an exploded view of the structure of a pull block in an embodiment of the present application;

fig. 3 is an exploded view of the structure of the internal support base and the internal support mechanism in the embodiment of the present application.

Description of reference numerals: 1. a support; 11. a transverse support plate; 12. a vertical support plate; 2. an inner support base; 21. a boss; 31. pulling the block; 32. a fixed block; 321. a first inclined surface; 33. a slider; 331. a second inclined surface; 4. a cylinder; 51. a dovetail groove; 52. a dovetail strip; 61. a first screw; 62. a second screw; 63. a third screw; 7. and a positioning column.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses internal stay positioning jig. Referring to fig. 1, the internal supporting positioning jig comprises a support 1, an internal supporting base 2, an internal supporting mechanism and a control piece for controlling the internal supporting mechanism, wherein the internal supporting base 2 is erected on the support 1, and the internal supporting mechanism and the control piece are arranged on the internal supporting base 2.

Referring to fig. 1, the bracket 1 includes a horizontal support plate 11 and a vertical support plate 12, the horizontal support plate 11 is horizontally disposed, the vertical support plate 12 is vertically disposed, the number of the vertical plates is two, and the two vertical support plates 12 are parallel to each other and spaced from each other.

Referring to fig. 1 and 2, the internal support base 2 is substantially rectangular plate-shaped, chamfers are arranged at corner positions of four side walls of the internal support base 2, the internal support base 2 is horizontally arranged, the bottom of the internal support base 2 is attached to the tops of the two vertical support plates 12, and the internal support base 2 is fixedly connected to the tops of the two vertical support plates 12. The top of the internal stay base 2 is provided with a boss 21, when a workpiece is placed on the internal stay base 2, the boss 21 preliminarily limits the workpiece, so that the subsequent internal stay mechanism is easy to position the workpiece.

Referring to fig. 3, control is cylinder 4, and cylinder 4 is fixed to be set up in the bottom of internal stay base 2 and is located two and erects between the extension board 12, and is concrete, and cylinder 4 is fixed in internal stay base 2 through first screw 61 for cylinder 4 sets up stably in internal stay base 2, draws the removal of piece 31 with stable control, and the telescopic link of cylinder 4 is vertical upwards to run through internal stay base 2.

Referring to fig. 2 and 3, the internal bracing structure includes a pulling block 31, a fixing block 32 and a sliding block 33 at the top of the boss 21. The pull block 31 is in a trapezoid table shape, and one end of the pull block 31 departing from the inner support base 2 gradually shrinks toward one end of the pull block 31 close to the inner support base 2. Draw block 31 fixed connection to the telescopic link of cylinder 4 and pass the one end of internal stay base 2, it is specific, draw block 31 to be fixed in the telescopic link top of cylinder 4 through second screw 62 for draw block 31 stable connection in the telescopic link of cylinder 4, so that cylinder 4 stable control draws the removal of block 31, and at this moment, cylinder 4 control is drawn block 31 and is kept away from or is close to the top of internal stay base 2.

Referring to fig. 2 and 3, the fixed blocks 32 and the sliding blocks 33 are arranged around the pull block 31, and the fixed blocks 32 and the sliding blocks 33 are arranged opposite to each other, specifically, two fixed blocks 32 and two sliding blocks 33 are arranged, and the two fixed blocks 32 and the two sliding blocks 33 surround the pull block 31. Fixed block 32 is fixed in internal stay base 2 and keeps attached state throughout with the lateral wall that draws piece 31, and fixed block 32 is fixed in internal stay base 2 through third screw 63, and is concrete, and every fixed block 32 corresponds and is connected with two third screws 63, and third screw 63 penetrates the bottom of fixed block 32 by the bottom of internal stay base 2 for fixed block 32 is stably fixed in internal stay base 2, with stably conflicting in the one side that draws piece 31. In addition, the internal support base 2 is provided with a plurality of positioning columns 7, the positioning columns 7 are cylindrical, the positioning holes are formed in the fixing blocks 32 corresponding to the positioning columns 7, the positioning holes corresponding to the positioning columns 7 are circular, each fixing block 32 is at least provided with two positioning holes matched with the positioning columns 7, in the embodiment, the number of the positioning holes of each fixing block 32 is two, so that each positioning block corresponds to two positioning columns 7 of the internal support base 2, after the positioning holes of the fixing blocks 32 are inserted into the positioning columns 7, the positioning columns 7 play a positioning role in the positioning holes, and therefore the fixing blocks 32 are fixed conveniently.

Referring to fig. 1 and 2, a surface of the fixed block 32, which is attached to the pulling block 31, is a first inclined surface 321, the first inclined surface 321 is parallel to a side wall of the pulling block 31 to which the first inclined surface 321 is attached, a surface of the slider 33, which faces the pulling block 31, is a second inclined surface 331, and the second inclined surface 331 is parallel to a side wall of the pulling block 31 to which the second inclined surface 331 faces. A sliding structure is connected between the sliding block 33 and the pulling block 31. The sliding structure comprises a dovetail groove 51 and a dovetail strip 52, the dovetail groove 51 is arranged on one surface, facing the sliding block 33, of the pulling block 31, the dovetail strip 52 is constructed on a second inclined surface 331 of the sliding block 33, two ends of the dovetail groove 51 in the length direction respectively penetrate through one surface, facing away from the inner support base 2, of the pulling block 31 and one surface, close to the inner support base 2, of the pulling block 31, and the dovetail strip 52 slides in the dovetail groove 51. When the cylinder 4 controls the pull block 31 to move downwards, the pull block 31 drives the slide block 33 to be far away from the opposite fixed block 32 through the dovetail strip 52 and the dovetail groove 51 so as to support the workpiece tightly, and when the cylinder 4 controls the pull block 31 to move upwards, the pull block 31 drives the slide block 33 to be close to the opposite fixed block 32 through the dovetail strip 52 and the dovetail groove 51 so as to loosen the workpiece.

The implementation principle of the internal stay positioning jig of the embodiment of the application is as follows: the workpiece is placed on the inner supporting base 2, the inner supporting mechanism is located in the workpiece, when the pull block 31 drives the sliding block 33 to be far away from the fixed block 32 opposite to the sliding block 33 under the control of the control piece, the sliding block 33 and the fixed block 32 can be respectively abutted against the inner surface of the workpiece, so that the workpiece is supported tightly to be located, the locating process is fast and stable, when the pull block 31 drives the sliding block 33 to be close to the fixed block 32 opposite to the sliding block 33 under the control of the control piece, the sliding block 33 and the fixed block 32 stop abutting against the inner surface of the workpiece, the workpiece is loosened, the workpiece is detached, the detaching process is fast, and the workpiece processing efficiency after the workpieces with thin wall thickness, weak strength, easily damaged outer surfaces or irregular shapes and the like are located is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Internal stay positioning jig, its characterized in that: the device comprises a support (1), an inner support base (2), an inner support mechanism and a control piece for controlling the inner support mechanism, wherein the inner support base (2) is erected on the support (1), and the inner support mechanism and the control piece are both arranged on the inner support base (2);

interior stay structure is including drawing piece (31), fixed block (32) and slider (33), draw piece (31) connect in the control, the control draw piece (31) to keep away from or be close to interior stay base (2), fixed block (32) with slider (33) center on draw piece (31) range just fixed block (32) with slider (33) subtend range, fixed block (32) are fixed in interior stay base (2) and with draw piece (31) remain attached state all the time, slider (33) with be connected with sliding structure between drawing piece (31), when draw piece (31) remove, draw piece (31) pass through sliding structure drives slider (33) are close to or keep away from this slider (33) subtend fixed block (32).

2. The internal stay positioning fixture of claim 1, characterized in that: the pull block (31) is in a trapezoid table shape, one end, away from the inner support base (2), of the pull block (31) gradually shrinks towards one end, close to the inner support base (2), of the pull block (31), two fixed blocks (32) and two slide blocks (33) are arranged, and the two fixed blocks (32) and the two slide blocks (33) surround the pull block (31);

one surface, attached to the pulling block (31), of the fixed block (32) is a first inclined surface (321), the first inclined surface (321) is parallel to the side wall, attached to the pulling block (31), of the pulling block (31), one surface, facing the pulling block (31), of the sliding block (33) is a second inclined surface (331), and the second inclined surface (331) is parallel to the side wall, facing the pulling block (31), of the pulling block (31);

sliding construction includes dovetail (51) and dovetail (52), dovetail (51) are seted up draw piece (31) orientation the one side of slider (33), dovetail (52) set up in the second inclined plane (331) of slider (33), dovetail (51) length direction's both ends are run through respectively draw deviating from of piece (31) the one side of internal stay base (2) with draw being close to of piece (31) the one side of internal stay base (2), dovetail (52) slide in dovetail (51).

3. The internal stay positioning fixture of claim 1 or 2, characterized in that: the inner support base (2) is provided with a boss (21), and the fixed block (32), the sliding block (33) and the pulling block (31) are arranged on the boss (21).

4. The internal stay positioning fixture of claim 1 or 2, characterized in that: the control member is a cylinder (4).

5. The internal stay positioning fixture of claim 4, characterized in that: the air cylinder (4) is fixed on the inner support base (2) through a first screw (61).

6. The internal stay positioning fixture of claim 4, characterized in that: the pulling block (31) is fixed on an expansion link of the cylinder (4) through a second screw (62).

7. The internal stay positioning fixture of claim 1 or 2, characterized in that: the fixed block (32) is fixed on the inner support base (2) through a third screw (63).

8. The internal stay positioning fixture of claim 7, characterized in that: the inner supporting base (2) is provided with a plurality of positioning columns (7), the fixing blocks (32) are provided with positioning holes corresponding to the positioning columns (7), and each fixing block (32) is at least provided with two positioning holes matched with the positioning columns (7).