CN211841047U

CN211841047U - Key duplicating clamp and key duplicating machine

Info

Publication number: CN211841047U
Application number: CN202020046600.2U
Authority: CN
Inventors: 张远文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-11-03
Anticipated expiration: 2030-01-10

Abstract

The utility model relates to a key duplication anchor clamps and key doubling machine, including base and clamp plate. And a positioning boss is arranged on the base. The location boss is used for conflicting spacingly with the back of the body of stalk portion of key, the base be used for with one of them side of key is contradicted, still be equipped with on the base and dodge the fretwork district, dodge the fretwork district with the position of waiting to process of the stalk portion of key corresponds the setting. The pressing plate is detachably arranged on the base and used for pressing the other side face of the key. Because two sides of the key are respectively in close contact fit with the base and the pressing plate, the clamping force on the key can be improved, the key is prevented from falling off, and the cutting tooth part of the cutting tool can be prevented from being knocked and damaged. In addition, the pressing plate and the base respectively press the two side faces of the key, the pressing plate and the base are not easy to deform, the machining precision of the key can be guaranteed, and the service life of the key copying clamp is prolonged.

Description

Key duplicating clamp and key duplicating machine

Technical Field

The utility model relates to a key duplication technical field especially relates to a key duplication anchor clamps and key doubling machine.

Background

A conventional key duplication machine includes a key duplication jig for holding a duplication key for a duplication operation. The two sides of the key duplicating clamp are provided with trapezoidal jaws, the thickness planes of the two sides of the key are clamped through the wall surfaces of the jaws, and the situation that only two points on the two sides of the contact surface of the jaws contact the duplicated key is easy to occur. Therefore, when the machine tool cuts the copy key, the copy key is easy to be clamped insecure, so that the key falls off, and the cutting tooth part of the tool is broken. The positions of the clamp jaws which are excessively contacted with two side points of the duplicating key are easy to cause accelerated abrasion of the duplicating clamp and deformation of the clamp jaws of the key duplicating clamp, so that the dimensional accuracy of the duplicating key which is copied is reduced, and the clamp jaws cannot be used for duplicating the key.

Disclosure of Invention

Accordingly, there is a need to overcome the deficiencies of the prior art and to provide a key duplication clamp and a key duplication machine that can improve the clamping effect.

The technical scheme is as follows: a key duplication fixture, comprising: the base is provided with a positioning boss which is used for abutting and limiting the back edge of the handle part of the key, the base is used for abutting one side surface of the key, the base is also provided with an avoiding hollowed-out area, and the avoiding hollowed-out area is arranged corresponding to the to-be-processed position of the handle part of the key; the pressing plate is detachably arranged on the base and used for pressing the other side face of the key.

Foretell key replication anchor clamps, keep flat the key on the base, the back of the stalk portion of key is along contradicting with the location boss spacing, installs the clamp plate on the base and compresses tightly the key, and the stalk portion of key is waited to add the station and is dodged the fretwork district and correspond the setting to the position of waiting to process of the stalk portion of key of the cutting tool of the key duplicator is handled cutting process. Because two sides of the key are respectively in close contact fit with the base and the pressing plate, the clamping force on the key can be improved, the key is prevented from falling off, and the cutting tooth part of the cutting tool can be prevented from being knocked and damaged. In addition, the pressing plate and the base respectively press the two side faces of the key, the pressing plate and the base are not easy to deform, the machining precision of the key can be guaranteed, and the service life of the key copying clamp is prolonged.

In one embodiment, the key duplicating fixture further comprises a positioning plate, the positioning plate is rotatably disposed on the base, and the positioning plate is used for abutting against and limiting a shoulder or an end face of the key.

In one embodiment, one side of the positioning boss is provided with a step, the step is used for placing the key, and the step is also used for limiting the interference with the back edge of the handle of the key; the base is further provided with positioning keys which are spaced from the other side of the positioning boss, the positioning keys are used for placing the key and are inserted into the strip-shaped grooves in the side faces of the key, and the other side of the positioning boss is also used for abutting and limiting the back edge of the handle part of the key; the number of the avoiding hollow areas is two, and the two avoiding hollow areas are respectively adjacent to the step and the positioning key.

In one embodiment, more than half of the length area of the handle is sandwiched between the platen and the base; the top of the positioning key is a tip part provided with an inclined plane.

In one embodiment, the number of the positioning plates is four, two of the positioning plates are arranged on one side of the positioning boss at intervals, and the other two of the positioning plates are arranged on the other side of the positioning boss at intervals.

In one embodiment, the key duplicating fixture further includes a mounting member, the pressing plate is provided with a first mounting hole corresponding to the mounting member, the base is provided with a second mounting hole corresponding to the mounting member, the second mounting hole corresponds to the first mounting hole, and the mounting member passes through the first mounting hole and the second mounting hole to connect the pressing plate and the base.

In one embodiment, the mounting member is a screw, a threaded rod or a bolt, and the first mounting hole and the second mounting hole are both screw holes corresponding to the mounting member; the installed part is two, first mounting hole with the second mounting hole all is corresponding two.

In one embodiment, the key duplication fixture further comprises a spring disposed between the pressing plate and the positioning boss, and the spring is sleeved outside the mounting member.

In one embodiment, the key duplicating fixture further comprises a height-adjusting screw, a threaded through hole matched with the height-adjusting screw is formed in the pressing plate, the height-adjusting screw is arranged in the threaded through hole, and the end face of the height-adjusting screw is abutted to the table surface of the positioning boss.

A key duplicating machine comprises a key duplicating clamp and a workbench, wherein the workbench is provided with a clamping opening, the bottom surface of a base is provided with a reference key corresponding to the clamping opening, and the reference key is clamped and fixed in the clamping opening.

Foretell key doubling machine keeps flat the key on the base, and the back of the stalk portion of key is along contradicting with the location boss spacing, installs the clamp plate on the base and compresses tightly the key, and the stalk portion of key is waited to add the station and is dodged the fretwork district and correspond the setting to the position of waiting to process of the stalk portion of key is carried out cutting process to the cutting tool of key doubling machine. Because two sides of the key are respectively in close contact fit with the base and the pressing plate, the clamping force on the key can be improved, the key is prevented from falling off, and the cutting tooth part of the cutting tool can be prevented from being knocked and damaged. In addition, the pressing plate and the base respectively press the two side faces of the key, the pressing plate and the base are not easy to deform, the machining precision of the key can be guaranteed, and the service life of the key copying clamp is prolonged.

Drawings

Fig. 1 is an exploded view of a key duplication fixture according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating an operating state of a key duplicating jig according to an embodiment of the present invention for clamping a key;

fig. 3 is a schematic view illustrating an operating state of a key duplicating jig for clamping a key according to an embodiment of the present invention;

fig. 4 is a perspective view of a key duplication fixture clamping a key according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating an operating state of a key duplicating machine according to an embodiment of the present invention;

FIG. 6 is a schematic view of a key duplication fixture according to an embodiment of the present invention, illustrating a key duplication fixture holding a key;

FIG. 7 is a schematic diagram of another embodiment of a key duplication fixture for clamping a key according to the present invention;

FIG. 8 is a schematic diagram of another embodiment of a key duplication fixture for clamping a key according to the present invention;

fig. 9 is a schematic structural diagram of another way of clamping a key by a key duplicating fixture according to an embodiment of the present invention.

Reference numerals:

10. a key duplicating jig; 11. a base; 111. positioning the boss; 112. avoiding the hollowed-out area; 113. a step; 114. a positioning key; 115. a second mounting hole; 116. a reference key; 12. pressing a plate; 121. a first mounting hole; 122. a threaded through hole; 13. positioning a plate; 14. a mounting member; 15. a spring; 16. a height-adjusting screw; 20. A key; 21. a handle; 211. a back edge; 22. a side surface; 23. a shoulder portion; 30. a work table; 31. a clamping opening.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

In one embodiment, referring to fig. 1-4, a key duplication fixture 10 includes a base 11 and a pressure plate 12. And a positioning boss 111 is arranged on the base 11. The positioning boss 111 is used for abutting against and limiting the back edge 211 of the handle 21 of the key 20, the base 11 is used for abutting against one side surface 22 of the key 20, an avoiding hollow area 112 is further arranged on the base 11, and the avoiding hollow area 112 corresponds to a to-be-processed position of the handle 21 of the key 20. The pressing plate 12 is detachably mounted on the base 11, and the pressing plate 12 is used for pressing the other side surface 22 of the key 20.

In the key duplicating fixture 10, the key 20 is flatly placed on the base 11, the back edge 211 of the handle portion 21 of the key 20 is abutted against the positioning boss 111 for limiting, the pressing plate 12 is arranged on the base 11 and presses the key 20, and the to-be-processed position of the handle portion 21 of the key 20 is arranged corresponding to the avoiding hollowed-out area 112, so that the to-be-processed position of the handle portion 21 of the key 20 is cut and processed by a cutting tool of the key duplicating machine. Because two side surfaces 22 of the key 20 are respectively in close contact fit with the base 11 and the pressure plate 12, the clamping force on the key 20 can be improved, the key 20 is prevented from falling off, and the cutting teeth of the cutting tool can be prevented from being knocked and damaged. In addition, the pressing plate 12 and the base 11 respectively press the two side surfaces 22 of the key 20, so that the pressing plate 12 and the base 11 are not easy to deform, the processing precision of the key 20 can be ensured, and the service life of the key duplicating clamp 10 can be prolonged.

Further, referring to fig. 1 to 4, the key duplicating fixture 10 further includes a positioning plate 13. The positioning plate 13 is rotatably disposed on the base 11, and the positioning plate 13 is used for abutting against and limiting the shoulder 23 or the end face of the key 20. Thus, the key 20 is mounted on the base 11, so that the back edge 211 of the key 20 abuts against the positioning boss 111 for limiting, the positioning plate 13 is driven to rotate, and the position of the key 20 is finely adjusted, so that the shoulder 23 or the end surface of the key 20 is aligned and fixed with the positioning plate 13, and thus the position of the key 20 on the key duplicating fixture 10 can be accurately controlled, and the processing precision of the key 20 is improved.

In one embodiment, referring to fig. 1 to 4, a step 113 is disposed on one side of the positioning boss 111, the step 113 is used for placing the key 20, and the step 113 is further used for abutting against and limiting a back edge 211 of the handle 21 of the key 20. The base 11 is further provided with a positioning key 114 spaced from the other side of the positioning boss 111, the positioning key 114 is used for placing the key 20 and is inserted into the strip-shaped groove of the side surface 22 of the key 20, and the other side of the positioning boss 111 is further used for abutting against and limiting the back edge 211 of the handle 21 of the key 20. In this way, the key 20 can be horizontally positioned on the step 113 or the positioning key 114 as required, and the cutting operation is flexible. When the side surface 22 of the handle 21 of the key 20 is provided with the strip-shaped groove, the key 20 can be placed on the positioning key 114, and the positioning key 114 is inserted into the strip-shaped groove, so that a good fixing effect on the key 20 can be realized. Furthermore, two avoidance hollow-out areas 112 are provided, and the two avoidance hollow-out areas 112 are respectively adjacent to the step 113 and the positioning key 114. The avoiding hollow-out area 112 can avoid the cutting tool, and the waste materials cut by the cutting tool also fall to the avoiding hollow-out area 112.

Further, referring to fig. 1 to 4, more than half of the length area of the handle 21 is sandwiched between the pressing plate 12 and the base 11. In this way, most of the area of the shank 21 is interposed between the presser plate 12 and the base 11, and the effect of clamping the key 20 is stabilized.

Furthermore, referring to fig. 1 to 4, the top of the positioning key 114 is a tip with a bevel. The positioning key 114 is provided with a tip portion which can be easily inserted into a strip-shaped groove positioned in the key 20.

Further, referring to fig. 1, 6 to 9, four positioning plates 13 are provided, two of the positioning plates 13 are disposed on one side of the positioning boss 111 at intervals, and the other two positioning plates 13 are disposed on the other side of the positioning boss 111 at intervals. Thus, when the key 20 is mounted on the step 113 or the positioning key 114 in different directions and on the front and back sides, the positioning plate 13 can be used to position the key 20, so that the key 20 is accurately positioned, and the processing precision of the key 20 is improved.

Further, referring to fig. 1, the key duplication fixture 10 further includes a mounting member 14. The pressing plate 12 is provided with a first mounting hole 121 corresponding to the mounting part 14, the base 11 is provided with a second mounting hole 115 corresponding to the mounting part 14, the second mounting hole 115 corresponds to the first mounting hole 121, and the mounting part 14 passes through the first mounting hole 121 and the second mounting hole 115 to connect the pressing plate 12 with the base 11.

Further, referring to fig. 1 to 4, the mounting element 14 is a screw, a threaded rod or a bolt, and the first mounting hole 121 and the second mounting hole 115 are both screw holes corresponding to the mounting element 14. The number of the mounting members 14 is two, and the number of the first mounting holes 121 and the number of the second mounting holes 115 are two. Specifically, the mounting member 14 is a socket head cap screw.

Further, referring to fig. 1, the key duplicating fixture 10 further includes a spring 15 disposed between the pressing plate 12 and the positioning boss 111, and the spring 15 is sleeved outside the mounting member 14. In this way, when the mounting member 14 is released, the pressing plate 12 moves away from the table of the positioning boss 111 under the elastic force of the spring 15, so that the key 20 can be conveniently taken and placed on the step 113 or the positioning key 114, and the operation is convenient.

Further, referring to fig. 1, the key duplication fixture 10 further includes an elevation screw 16. The pressing plate 12 is provided with a threaded through hole 122 corresponding to the height-adjusting screw 16, the height-adjusting screw 16 is arranged in the threaded through hole 122, and the end surface of the height-adjusting screw 16 is abutted to the table surface of the positioning boss 111. Thus, by adjusting the position of the height-adjusting screw 16, the distance between the pressing plate 12 and the table top of the positioning boss 111 can be correspondingly adjusted, so that the pressing plate 12 can be adapted to press keys 20 with different thicknesses, and the pressing plate 12 can more stably press the keys 20 between the pressing plate 12 and the base 11.

In one embodiment, referring to fig. 5, a key duplication machine includes the key duplication jig 10 according to any one of the above embodiments, and further includes a table 30. The worktable 30 is provided with a clamping opening 31, the bottom surface of the base 11 is provided with a reference key 116 corresponding to the clamping opening 31, and the reference key 116 is clamped and fixed in the clamping opening 31.

In the key duplicating machine, the key 20 is flatly placed on the base 11, the back edge 211 of the handle portion 21 of the key 20 is abutted against the positioning boss 111 for limiting, the pressing plate 12 is arranged on the base 11 and presses the key 20, and the to-be-processed position of the handle portion 21 of the key 20 is arranged corresponding to the avoiding hollowed-out area 112, so that the to-be-processed position of the handle portion 21 of the key 20 is cut and processed by a cutting tool of the key duplicating machine. Because two side surfaces 22 of the key 20 are respectively in close contact fit with the base 11 and the pressure plate 12, the clamping force on the key 20 can be improved, the key 20 is prevented from falling off, and the cutting teeth of the cutting tool can be prevented from being knocked and damaged. In addition, the pressing plate 12 and the base 11 respectively press the two side surfaces 22 of the key 20, so that the pressing plate 12 and the base 11 are not easy to deform, the processing precision of the key 20 can be ensured, and the service life of the key duplicating clamp 10 can be prolonged.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A key duplication fixture, comprising:

the base is provided with a positioning boss which is used for abutting and limiting the back edge of the handle part of the key, the base is used for abutting one side surface of the key, the base is also provided with an avoiding hollowed-out area, and the avoiding hollowed-out area is arranged corresponding to the to-be-processed position of the handle part of the key;

the pressing plate is detachably arranged on the base and used for pressing the other side face of the key.

2. The key duplication jig of claim 1 further comprising a positioning plate rotatably disposed on the base, the positioning plate configured to abut against and limit a position of a shoulder or an end surface of the key.

3. The key duplication jig of claim 2, wherein one side of the positioning boss is provided with a step for placement of the key, the step also serving as an interference stop with a back edge of the shank of the key; the base is further provided with positioning keys which are spaced from the other side of the positioning boss, the positioning keys are used for placing the key and are inserted into the strip-shaped grooves in the side faces of the key, and the other side of the positioning boss is also used for abutting and limiting the back edge of the handle part of the key; the number of the avoiding hollow areas is two, and the two avoiding hollow areas are respectively adjacent to the step and the positioning key.

4. The key duplication clamp of claim 3, wherein more than half of the length area of the shank is sandwiched between the platen and the base; the top of the positioning key is a tip part provided with an inclined plane.

5. The key duplication jig of claim 3 wherein the number of said positioning plates is four, two of said positioning plates being spaced apart on one side of said positioning boss and the other two of said positioning plates being spaced apart on the other side of said positioning boss.

6. The key duplication jig of claim 1 further comprising a mounting member, wherein the pressure plate is provided with a first mounting hole corresponding to the mounting member, the base is provided with a second mounting hole corresponding to the mounting member, the second mounting hole is disposed to correspond to the first mounting hole, and the mounting member passes through the first mounting hole and the second mounting hole to couple the pressure plate to the base.

7. The key duplication clamp of claim 6, wherein the mounting member is a screw, a threaded rod, or a bolt, and the first mounting hole and the second mounting hole are each a threaded hole corresponding to the mounting member; the installed part is two, first mounting hole with the second mounting hole all is corresponding two.

8. The key duplication jig of claim 6 further comprising a spring disposed between the pressure plate and the positioning boss, the spring being sleeved outside the mounting member.

9. The key duplicating fixture of claim 6, further comprising a height adjustment screw, wherein the pressure plate is provided with a threaded through hole adapted to the height adjustment screw, the height adjustment screw is disposed in the threaded through hole, and an end surface of the height adjustment screw abuts against the table surface of the positioning boss.

10. A key duplicating machine comprising the key duplicating tool as claimed in any one of claims 1 to 9, and a table having a clamping opening, wherein a reference key corresponding to the clamping opening is provided on a bottom surface of the base, and the reference key is clamped and fixed in the clamping opening.