CN213795361U

CN213795361U - Clamp

Info

Publication number: CN213795361U
Application number: CN202022663072.8U
Authority: CN
Inventors: 求汉军; 王品山
Original assignee: Hangzhou Zhaolang Hardware Co ltd
Current assignee: Hangzhou Zhaolang Hardware Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-27
Anticipated expiration: 2030-11-17

Abstract

The application relates to a clamp, and relates to the technical field of machining auxiliary tools. When the piano legs are machined by means of the milling type mortise and tenon numerical control machining center, the numerical control machining center needs to clamp the wood specification materials on the object placing table firstly, and then the tenon milling cutter is used for machining. In general, the dimension of the wood-sized material is small, and position slippage may occur during clamping, thereby generating machining errors. This application includes the backup pad, set up in the holder of backup pad upper end, be used for confirming the backup pad in putting the first locating component of the clamping position of thing bench and be used for confirming the second locating component of the clamping position of specification material in the backup pad. Utilize first locating component and second locating component to accomplish the clamping location to the specification material, be favorable to improving the machining precision of musical instrument leg, reduce machining error.

Description

Clamp

Technical Field

The application relates to the field of machining auxiliary tools, in particular to a clamp.

Background

The wooden legs of playing the supporting role to the piano main part are formed by wood direct processing, and when the legs are processed in the early stage, the wood specification material which is in a cubic shape is held by an operator, and the wood specification material is manually fed by a small wood tenon milling machine, so that the steps of milling the appearances of the legs are completed.

Referring to fig. 1, a piano leg 1 made of wood and a milling type tenon-and-mortise numerical control machining center 2 for machining the piano leg 1, the piano leg 1 comprises a support end 11 for supporting a piano body and a tail end 12 for mounting a moving wheel, and the support end 11 is thicker than the tail end 12, so that both sides of the piano leg 1 need to be milled into smooth arc-shaped curved surfaces 13 by means of machining equipment. When the small wood tenon milling machine is used for milling, an operator needs to hold specification materials and manually feed the specification materials, the safety is poor, and the processing precision is not high. In order to improve the safety and the processing precision of the processing process, the piano legs 1 can be processed by a milling type mortise and tenon numerical control processing center 2 for processing wooden doors and windows. The numerical control machining center 2 comprises an object placing table 21 for placing wood to be machined, a lower pressing plate 22 arranged above the object placing table 21 in a lifting mode, and a tenon milling cutter 23 arranged on one side of the object placing table 21, wherein a plurality of grooves 211 facing the tenon milling cutter 23 are formed in the object placing table 21 at equal intervals. During machining, the lower pressing plate 22 presses the wood to be machined on the placing table 21, and then drives the tenon milling cutter 23 to machine.

However, the size of the standard material of the leg 1 for processing is small, and after the standard material is compressed by the lower pressing plate 22 of the nc processing center 2, the position of the standard material may be changed when the standard material is in contact with the lower pressing plate 22, which may cause a processing error.

SUMMERY OF THE UTILITY MODEL

In order to avoid appearing the condition that specification material position deviation appears after the clamping as far as possible, improve the machining precision of musical instrument leg, this application provides a anchor clamps.

The application provides a anchor clamps adopts following technical scheme:

the utility model provides a clamp, includes the backup pad, fixed mounting in the holder of backup pad upper end and is used for confirming the backup pad and putting the first locating component of thing bench clamping position, is equipped with the clamping district that is used for clamping specification material in the backup pad.

Through adopting above-mentioned technical scheme, the operator at first places the clamping district in the backup pad with the specification material of treating processing, then utilizes the holder to fix the specification material, borrows first locating component to confirm the backup pad at the clamping position of putting the thing bench to the clamping process to the specification material is accomplished, is favorable to reducing the circumstances that the holding down plate contact appears, compresses tightly the specification material and leads to specification material position change, is favorable to improving the machining precision.

Optionally, the first positioning assembly comprises a sliding column and a first positioning block, the sliding column is connected in the groove in a sliding manner, and the sliding column is connected to the lower end of the supporting plate; when the supporting plate is clamped, the first positioning block is abutted to the end part of the groove for accommodating the sliding column.

Through adopting above-mentioned technical scheme, the traveller slides and sets up in the recess to can confirm that the backup pad is located puts the position of thing platform along traveller width direction, first locating piece butt in the tip of recess, thereby can confirm that the backup pad is located puts the position of thing platform along traveller length direction, make the backup pad fixed in the clamping position of putting the thing bench end.

Optionally, the clamping device further comprises a second positioning assembly for determining the clamping position of the specification material on the supporting plate.

Through adopting above-mentioned technical scheme, with the help of the second locating component to confirm the clamping position of specification material in the backup pad, improve the fixed effect of clamping of specification material in the backup pad, be favorable to improving the machining precision, reduce machining error.

Optionally, the second positioning assembly comprises a second positioning block for determining a clamping position of the specification material along the width direction of the sliding column.

By adopting the technical scheme, when the specification material is clamped, the specification material is abutted against the second positioning block, so that the clamping position of the specification material in the supporting plate along the width direction of the sliding column is determined, and the specification material is positioned.

Optionally, the second positioning assembly further comprises a third positioning block for clamping the specification material at a clamping position along the length direction of the sliding column.

By adopting the technical scheme, when the specification material is clamped, the specification material is abutted against the third positioning block, so that the clamping position of the specification material in the supporting plate along the length direction of the sliding column is determined, the processing precision is improved, and the processing error is reduced.

Optionally, the second positioning assembly further comprises a movable positioning piece for urging the specification material to be located at the same clamping position when the arc-shaped curved surface is machined twice.

By adopting the technical scheme, when the second arc-shaped curved surface of the specification material is processed, due to the action of the movable positioning piece, the clamping position of the specification material at the moment is consistent with the clamping position of the first arc-shaped curved surface, so that the tenon milling cutter can process the two arc-shaped curved surfaces by adopting the same cutter feeding program, the processing efficiency is improved, and the processing steps are simplified.

Optionally, an anti-slip layer is laid in the clamping area.

Through adopting above-mentioned technical scheme, set up the frictional force that the skid resistant course can increase specification material and backup pad, be favorable to reducing the specification material because of the condition that position change appears skidding, improve the fixed effect of clamping.

Optionally, a push-pull handle is arranged on the supporting plate.

Through adopting above-mentioned technical scheme, set up the push-and-pull handle and be convenient for the operator to push-and-pull, remove whole anchor clamps.

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

1. the supporting plate, the clamping piece and the first positioning assembly are arranged, so that the clamping process of the specification material is finished, the condition that the specification material changes due to the fact that the lower pressing plate is contacted and the specification material is compressed is favorably reduced, and the machining precision is favorably improved;

2. by arranging the second positioning assembly, the clamping and fixing effects of the specification materials on the supporting plate are improved, the machining precision is improved, and the machining error is reduced;

3. through setting up the skid resistant course, be favorable to reducing the condition that position change appears in the specification material, improve the fixed effect of clamping.

Drawings

FIG. 1 is a schematic structural view of a piano leg and a milling type mortise and tenon numerical control machining center in the related art;

FIG. 2 is an exploded view of an embodiment of the present application; showing a state where the specification material is placed on the jig and is ready for processing a second arc-shaped curved surface;

fig. 3 is an exploded view of the unclamped gauge of fig. 2.

Description of reference numerals: 1. a musical instrument leg; 11. a support end; 12. a tail end; 13. an arc-shaped curved surface; 2. a numerical control machining center; 21. a placing table; 211. a groove; 22. a lower pressing plate; 23. a tenon milling cutter; 3. a support plate; 31. a clamping area; 311. an anti-slip layer; 32. a push-pull handle; 4. a clamping member; 5. a first positioning assembly; 51. a traveler; 52. a first positioning block; 6. a second positioning assembly; 61. a second positioning block; 62. a third positioning block; 63. a movable positioning member; 631. a first end; 632. a second end; 7. and (5) specification materials.

Detailed Description

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

Referring to fig. 1, a wooden piano leg 1 and a milling type tenon-and-mortise numerical control machining center 2 for machining the piano leg, wherein the piano leg 1 comprises a support end 11 for supporting a piano body and a tail end 12 for mounting a moving wheel, and the support end 11 is thicker than the tail end 12. Two sides of the piano leg 1 along the length direction are respectively provided with an arc curved surface 13, and the two arc curved surfaces 13 are arranged oppositely and have the same size and shape. The numerical control machining center 2 comprises an object placing table 21 for placing wood to be machined, a lower pressing plate 22 arranged above the object placing table 21 in a lifting mode, and a tenon milling cutter 23 arranged on one side of the object placing table 21, wherein a plurality of grooves 211 facing the tenon milling cutter 23 are formed in the object placing table 21 at equal intervals.

The embodiment of the application discloses a clamp. Referring to fig. 2 and 3, the fixture comprises a supporting plate 3, a clamping piece 4 arranged at the upper end of the supporting plate 3, a first positioning component 5 used for determining the clamping position of the supporting plate 3 on an object placing table 21, and a second positioning component 6 used for determining the clamping position of a specification material 7 on the supporting plate 3, wherein a clamping area 31 used for clamping the specification material 7 is arranged on the supporting plate 3. The clamping piece 4 is a common quick clamp, and the clamping piece 4 is fixedly arranged on the supporting plate 3 through screws. The first positioning assembly 5 comprises two sliding columns 51 arranged at the lower end of the support plate 3 and two first positioning blocks 52 arranged at one side of the support plate 3, the sliding columns 51 are arranged in the grooves 211 (see fig. 1) in a sliding mode, the distance between the two sliding columns 51 is consistent with the distance between the two adjacent grooves 211 (see fig. 1), and the height of each sliding column 51 is consistent with the depth of each groove 211 (see fig. 1). The end surface of the sliding column 51 along the length direction is flush with the side surface of the support plate 3, the lower end of the first positioning block 52 is lower than the lower end of the support plate 3, and the sliding column 51 and the first positioning block 52 are fixedly connected to the support plate 3 in a screw or bonding mode.

Referring to fig. 1 and 2, the lower press plate 22 presses the cubic wood standard material 7 against the placing table 21, and then drives the tenon milling cutter 23 to sequentially machine two arc-shaped curved surfaces 13. When clamping the specification material 7, firstly, the specification material 7 is placed in the clamping area 31 on the support plate 3, then the specification material 7 is pressed on the support plate 3 by the clamping piece 4, and then the support plate 3 is pushed to enable the sliding column 51 to slide along the horizontal direction and be inserted into the groove 211, so that the lower end of the support plate 3 is abutted against the upper end of the object placing table 21. When the first positioning block 52 abuts against the end surface of the recess 211, the clamping position of the support plate 3 along the length direction of the recess 211 on the object placing table 21 is defined.

Referring to fig. 2 and 3, the second positioning assembly 6 includes a second positioning block 61, a third positioning block 62 and a movable positioning element 63, the second positioning block 61 and the third positioning block 62 are rectangular blocks with different sizes, and the two positioning blocks are disposed at the upper end of the supporting plate 3 and perpendicular to each other, and are also fixedly connected to the supporting plate 3 by screws or bonding. The longitudinal direction of the second positioning block 61 coincides with the longitudinal direction of the spool 51, and the longitudinal direction of the third positioning block 62 coincides with the width direction of the spool 51. The area enclosed by two sides of the second positioning block 61, the third positioning block 62 and the support plate 3 is the clamping area 31, an anti-slip layer 311 is laid in the clamping area 31, the anti-slip layer 311 is a layer of sand paper commonly used for polishing and sanding, and the anti-slip layer 311 is fixed on the support plate 3 in a glue bonding mode.

When an operator clamps the specification material 7 on the supporting plate 3, two adjacent right-angle edges of the specification material 7 are abutted against the second positioning block 61 and the third positioning block 62 respectively, so that the clamping position of the specification material 7 on the supporting plate 3 is determined. The clamping area 31 is provided with the anti-slip layer 311, so that the friction force between the support plate 3 and the specification material 7 can be increased, the situation that the specification material 7 slides when the lower pressing plate 22 (shown in figure 1) abuts against the specification material 7 is reduced, and the clamping and fixing effect is improved.

Referring to fig. 1 and 2, the movable positioning member 63 includes a first end 631 and a second end 632 for abutting against the same curved surface 13, the first end 631 is disposed near the support end 11 of the leg 1, the second end 632 is disposed near the tail end 12 of the leg 1, and the movable positioning member 63 is L-shaped as a whole. When the second arc-shaped curved surface 13 of the specification material 7 is processed, the arc-shaped curved surface 13 of the specification material 7 which is already processed needs to be placed towards the third positioning block 62, so that the side of the specification material 7 to be processed faces the tenon milling cutter 23. The width of the first end 631 is the same as the width of the part milled and removed by the tenon milling cutter 23 to machine the arc-shaped curved surface 13 close to the supporting end 11, and the width of the second end 632 is the same as the width of the part milled and removed by the tenon milling cutter 23 to machine the arc-shaped curved surface 13 close to the tail end 12.

In the clamping process before the second arc-shaped curved surface 13 of the specification material 7 is machined, one side of the movable positioning piece 63 is abutted against the third positioning block 62, then the specification material 7 is placed, so that the arc-shaped curved surface 13 machined by the specification material 7 is abutted against the movable positioning piece 63, the clamping positions of the arc-shaped curved surface 13 machined twice by the specification material 7 on the supporting plate 3 are consistent, the movable positioning piece 63 plays roles in positioning and compensating, the tenon milling cutter 23 can complete the machining of the two arc-shaped curved surfaces 13 by adopting the same cutter feeding program, the improvement of the working efficiency is facilitated, and the operation steps are simplified.

One side of the upper end of the supporting plate 3 close to the first positioning block 52 is provided with a rectangular block-shaped push-pull handle 32, corners of the push-pull handle 32 are processed into round corners, and the push-pull handle 32 is fixedly connected to the supporting plate 3 in a screw or bonding mode.

The implementation principle of the embodiment is as follows: the specification material 7 is clamped and fixed on the supporting plate 3 by arranging the supporting plate 3, the clamping piece 4 and the first positioning component 5, and the supporting plate 3 can be clamped to a specific position on the object placing table 21 of the numerical control center; by arranging the second positioning block 61 and the third positioning block 62, the clamping position of the specification material 7 on the supporting plate 3 can be determined, and a good positioning effect is achieved; through setting up movable positioning piece 63 for specification material 7 can be located same clamping position with processing first arc curved surface 13 when processing second arc curved surface 13, is favorable to improving machining efficiency.

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. A clamp, characterized by: including backup pad (3), fixed mounting in holder (4) and the being used for confirming of backup pad (3) upper end first locating component (5) of the clamping position of putting thing platform (21) are being put in backup pad (3), be equipped with clamping district (31) that are used for clamping specification material (7) in backup pad (3).

2. A clamp as claimed in claim 1, wherein: the first positioning assembly (5) comprises a sliding column (51) and a first positioning block (52), wherein the sliding column (51) is connected in a groove (211) in a sliding mode, and the sliding column (51) is connected to the lower end of the supporting plate (3); when the supporting plate (3) is clamped, the first positioning block (52) is abutted to the end of the groove (211) for accommodating the sliding column (51).

3. A clamp as claimed in claim 2, wherein: the device also comprises a second positioning component (6) used for determining the clamping position of the specification material (7) on the supporting plate (3).

4. A clamp as claimed in claim 3, wherein: the second positioning assembly (6) comprises a second positioning block (61) used for determining the clamping position of the specification material (7) along the width direction of the sliding column (51).

5. A clamp according to claim 4, wherein: the second positioning assembly (6) further comprises a third positioning block (62) for clamping the specification material (7) at a clamping position along the length direction of the sliding column (51).

6. A clamp according to claim 5, wherein: the second positioning assembly (6) further comprises a movable positioning piece (63) used for promoting the specification material (7) to be positioned at the same clamping position when the arc-shaped curved surface (13) is machined twice.

7. A clamp as claimed in claim 1, wherein: and an anti-skid layer (311) is laid in the clamping area (31).

8. A clamp as claimed in claim 1, wherein: the supporting plate (3) is provided with a push-pull handle (32).