TW202411009A - Combinational-type cutter capable of continuing use simply by replacing a connecting block and a blade with new ones in the event of blade collision - Google Patents

Abstract

The present invention discloses a combinational-type cutter comprising a blade handle, a connecting block, a first locking member, and a blade. The blade handle includes a handle body portion and a handle head portion connected to one end of the handle body portion. The handle head portion has a receiving slot. The connecting block includes a body detachably installed and positioned in the receiving slot and a blade-receiving slot formed in one end of the body away from the handle head portion. The first locking member is used to fix the connecting block to the handle head portion. The blade is detachably installed in the blade-receiving slot. By detachably installing and positioning the body in the receiving slot, and detachably installing the blade in the blade-receiving slot, in the event of blade collision that damages the connecting block and the blade, only replacing the connecting block and the blade with new ones is required to continue use, without the need to replace the blade handle. The advantage of the present invention is that through detachably installing and positioning the body of the connecting block in the receiving slot of the handle head portion, and detachably installing the blade in the blade-receiving slot, in the event of blade collision, if damage occurs on the connecting block and the blade, it is only necessary to detach the connecting block and the blade from the blade handle, and replace them with new ones to continue use, without the need to replace the blade handle.

Description

Combination Knife

The present invention relates to a combined tool, in particular to a combined tool used in a processing machine.

Referring to FIG. 1 , a tool structure 1 disclosed in Taiwan Patent No. M581949U includes a tool bar 11 and a turning tool 12. The tool bar 11 has a receiving groove 111 for accommodating the turning tool 12, and a locking hole 112 for a bolt 13 to lock the turning tool 12. The turning tool 12 has a through hole 121 corresponding to the locking hole 112 and for the bolt 13 to pass through.

When the existing tool structure 1 is used for lathe processing, the tool bar 11 is installed on a turret of a lathe processing machine (not shown), and the turret is linearly moved to enable the turning tool 12 to cut the workpiece. However, during the processing, the tool may collide due to an operation error, which not only causes the turning tool 12 to be damaged and needs to be replaced, but also may cause the surrounding parts of the groove 111 of the tool bar 11 that accommodates the turning tool 12 to be damaged, thereby affecting the processing accuracy. Therefore, the tool bar 11 needs to be removed from the turret for replacement. However, the replacement operation of the tool bar 11 is not only troublesome, but the damaged part of the tool bar 11 may account for a very small proportion of the entire tool bar 11, but the tool bar 11 needs to be replaced as a whole, making the overall cost too high.

Therefore, the purpose of the present invention is to provide a combined tool that can overcome the shortcomings of the prior art.

Therefore, the combined tool of the present invention comprises a tool bar, a set of connecting blocks, a first locking member, and a blade. The tool bar comprises a rod body and a rod head connected to one end of the rod body, and the rod head has a set of connecting grooves. The set of connecting blocks comprises a body detachably embedded and positioned in the set of connecting grooves, and a blade receiving groove formed at one end of the body away from the rod head. The first locking member is used to fix the set of connecting blocks to the rod head. The blade is detachably arranged in the blade receiving groove.

The utility model has the following effects: the main body of the connecting block is detachably embedded in the connecting groove positioned at the head of the rod, and the blade is detachably arranged in the blade receiving groove. When a knife collision occurs, if the damaged part occurs in the connecting block and the blade, it is only necessary to remove the connecting block and the blade from the knife rod and replace them with a new connecting block and the blade for continued use without replacing the knife rod.

Before the present invention is described in detail, it should be noted that the relative position terms used in the following description, such as: "front", "rear", "left", "right", "top", and "bottom", are based on the orientation shown in the figures and the normal use orientation, and similar components are represented by the same numbers.

2 and 3 , an embodiment of the combined tool 2 of the present invention comprises a tool bar 3 , a set of connecting blocks 4 , a first locking member 5 , a second locking member 6 , and a blade 7 .

4 to 6 , the tool bar 3 includes a bar body 31 extending along a front-rear direction X, a bar head 32 connected to the front end of the bar body 31 , and a main pressing portion 33 formed on the bar head 32 .

The rod body 31 has a plurality of ribs 311 formed on the side thereof. The ribs 311 can provide a certain degree of shock absorption effect when the combined tool 2 is performing a machining operation.

The rod head 32 has a first leaning wall 34 connected to the rod body 31 and located on a plane perpendicular to the front-rear direction X, a second leaning wall 35 connected to the left side of the first leaning wall 34 along a left-right direction Y, a third leaning wall 36 connected to the top ends of the first leaning wall 34 and the second leaning wall 35 along a top-bottom direction Z, and a through hole 37 penetrating the second leaning wall 35 along the left-right direction Y. The front-rear direction X, the left-right direction Y and the top-bottom direction Z are perpendicular to each other. The first leaning wall 34 cooperates with the second leaning wall 35 and the third leaning wall 36 to define an assembly slot 38 for the assembly block 4 to be disposed.

The first leaning wall 34 has a first leaning surface 341 adjacent to one side of the assembly receiving groove 38, and a first stopper 342 extending from the first leaning surface 341 toward the assembly receiving groove 38 along the front-rear direction X. The second leaning wall 35 has a second leaning surface 351 adjacent to one side of the assembly receiving groove 38, and a second stopper 352 extending from the second leaning surface 351 toward the assembly receiving groove 38 along the left-right direction Y and connected to the first stopper 342. The third leaning wall 36 has a third leaning surface 361 adjacent to one side of the assembly receiving groove 38. The first stopper 342, the second stopper 352, the first leaning surface 341, the second leaning surface 351 and the third leaning surface 361 cooperate to define a stopper groove 39.

The main pressing portion 33 is formed on the front side of the third leaning wall 36 and adjacent to the assembly receiving groove 38. The main pressing portion 33 has a main extension surface 331 extending forward from the third leaning wall 36, a main abutting surface 332 connected to the front end of the main extension surface 331, and a first screw hole 333 formed on the main abutting surface 332 along the front-rear direction X and for the first locking member 5 to be screwed.

4 to 7 , the assembly block 4 includes a body 41 detachably embedded in the assembly receiving groove 38 , a knife receiving groove 42 formed at one end of the body 41 away from the rod head 32 , and a secondary pressing portion 43 formed at the top end of the body 41 .

The body 41 has a first abutting surface 411 opposite to one end of the blade receiving groove 42 along the front-rear direction X and abutting against the first abutting surface 341, a second abutting surface 412 connected to the left side of the first abutting surface 411 and abutting against the second abutting surface 351, a third abutting surface 413 connected to the top ends of the first abutting surface 411 and the second abutting surface 412 and abutting against the third abutting surface 361, a first protrusion 414 extending from the first abutting surface 411, a second protrusion 415 extending from the second abutting surface 412 and connected to the first protrusion 414, and a second screw hole 416 formed on the second protrusion 415 along the left-right direction Y and correspondingly connected to the through hole 37. The first protrusion 414 and the second protrusion 415 are used to be embedded in the limiting groove 39.

The knife receiving groove 42 is formed on one side of the body 41 opposite to the second abutting surface 412 along the left-right direction Y. The blade 7 is detachably disposed in the knife receiving groove 42. In this embodiment, the blade 7 is a turning tool, and there are many types of turning tools, so it is not limited to the embodiment shown. The shape of the knife receiving groove 42 can be adjusted according to different types of blades 7, so it is not limited to the shape structure shown in this embodiment.

The secondary pressing portion 43 is adjacent to the third abutting wall 36 and has a secondary extending surface 431 formed on the third abutting surface 413 and matched with the main extending surface 331 , and a secondary abutting surface 432 connected to the secondary extending surface 431 and matched with the main abutting surface 332 .

Referring to FIGS. 4 , 6 , 8 and 9 , the main extension surface 331 cooperates with the secondary extension surface 431 to define a surrounding surface 81 which is inclined and in a continuous annular shape, and the main abutment surface 332 cooperates with the secondary abutment surface 432 to define a pressed top surface 82 which is connected to the surrounding surface 81 and in a complete circular shape, and the surrounding surface 81 cooperates with the pressed top surface 82 to form a first boss 8 which is concavely matched with the first locking member 5.

Referring to FIGS. 8 to 10 , it is worth noting that the first support surface 341 and the second support surface 351 define a first angle θ1 less than 90 degrees, and the angle between the first stop block 342 and the second stop block 352, the angle between the first abutting surface 411 and the second abutting surface 412, and the angle between the first protrusion 414 and the second protrusion 415 are all the same as the first angle θ1. The end surface of the first stop block 342 adjacent to the assembly groove 38 is inclined relative to the first support surface 341 and defines a second angle θ2 less than 90 degrees with the third support surface 361. The first abutting surface 411 is inclined in coordination with the first stop block 342. The end surface of the second stopper 352 adjacent to the assembly receiving groove 38 is inclined relative to the second support surface 351 and defines a third angle θ3 less than 90 degrees with the third support surface 361. The second support surface 412 is inclined in coordination with the second stopper 352. The above structure enables the assembly block 4 to be more firmly against the rod head 32 to avoid slipping when the combined tool 2 of the present invention is subjected to force during use.

Referring to Fig. 4, Fig. 8 and Fig. 9, the first locking member 5 is used to fix the connecting block 4 to the rod head 32, and includes a locking head 51, a threaded portion 52 connected to the locking head 51 and used to be screwed to the first screw hole 333, and a recessed portion 53 formed at the connection between the locking head 51 and the threaded portion 52 and matched with the first protrusion 8 in a concave-convex manner. The recessed portion 53 has an abutting surface 531 connected to the threaded portion 52 and abutting against the pressing top surface 82, and an annular surface 532 connected between the abutting surface 531 and the locking head 51 and covering the surrounding surface 81. The annular surface 532 cooperates with the surrounding surface 81 and is obliquely connected between the abutting surface 531 and the locking head portion 51. When the first locking piece 5 is screwed to the first threaded portion 52, the annular surface 532 presses against the surrounding surface 81, so that the secondary pressing portion 43 is upwardly pressed toward the primary pressing portion 33, and the first locking piece 5 can stably fix the assembly block 4 on the rod head portion 32. It is worth noting that, in the present embodiment, the surrounding surface 81 and the annular surface 532 are corresponding inclined planes. In other variations, they may also be corresponding inclined convex arc surfaces. Similarly, when the first locking member 5 is screwed to the first threaded portion 52, the annular surface 532 presses against the surrounding surface 81, so that the secondary pressing portion 43 is upwardly pressed toward the main pressing portion 33, thereby achieving the same function. Therefore, this embodiment is not limited thereto.

Referring to FIG. 10 , the second locking member 6 passes through the through hole 37 along the left-right direction Y and is screwed into the second screw hole 416 , so that the connecting block 4 can be more stably fixed to the rod head 32 .

Referring to FIG. 11 , when the combined tool 2 of the present invention is used in a lathe processing machine (only a turret 91 and a chuck 92 for clamping a workpiece 93 are drawn in the figure), the rod body 31 is installed on the turret 91, and the rod head 32, the joint block 4 and the blade 7 are exposed outside the turret 91. By linearly moving the turret 91, the blade 7 can cut the workpiece 93. During the processing, if a collision occurs due to an operation error, since the position of the assembly block 4 for the blade 7 to be arranged is relatively protruding from the rod head 32, the damaged part can be controlled to the portion of the assembly block 4 and the blade 7 without affecting the rod head 32. Therefore, the operator only needs to remove the assembly block 4 together with the blade 7 from the rod head 32 and replace it with a new assembly block 4 and blade 7 to continue the processing.

In summary, the combined tool 2 of the present invention is removably embedded and positioned in the rod head 32 by the body 41 of the assembly block 4 through the first locking piece 5 and the second locking piece 6, and the blade 7 is removably arranged in the knife receiving groove 42. If the knife is damaged due to collision, it is only necessary to replace the new assembly block 4 and the blade 7 to continue to use it without replacing the knife rod 3, which can effectively reduce the cost of damage. In addition, the first protrusion 8 formed by the main pressing part 33 and the auxiliary pressing part 43 and the first locking piece 5 cooperate with each other, so that the assembly block 4 can be stably fixed on the rod head 32, so that the purpose of the present invention can be achieved.

However, the above is only an embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. All simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still within the scope of the present patent.

2: Combined tool 3: Tool bar 31: Bar body 311: Rib 32: Bar head 33: Main pressing part 331: Main extension surface 332: Main abutment surface 333: First screw hole 34: First wall 341: First abutment surface 342: First stopper 35: Second wall 351: Second abutment surface 352: Second stopper 36: Third wall 361: Third abutment surface 37: Perforation 38: Assembly groove 39: Stopper groove 4: Assembly block 41: Body 411: First abutment surface 412: Second abutment surface 413: Third abutment surface 414: First convex block 415: Second convex block 416: Second screw hole 42: Tool receiving groove 43: Secondary pressing part 431: Secondary extension surface 432: Secondary abutment surface 5: First locking part 51: Lock head part 52: Threaded part 53: Concave part 531: Abutment surface 532: Ring surface 6: Second locking part 7: Blade 8: First boss 81: Surrounding surface 82: Pressing top surface 91: Turret 92: Chuck 93: Workpiece θ1: First clamping angle θ2: Second clamping angle θ3: Third clamping angle X: Front-to-back direction Y: Left-to-right direction Z: Top-to-bottom direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a three-dimensional exploded view of a tool structure of the patent case of Taiwan Certificate No. M581949U; FIG. 2 is a three-dimensional assembly view of an embodiment of the combined tool of the present invention; FIG. 3 is another three-dimensional assembly view of the embodiment; FIG. 4 is a three-dimensional exploded view of the embodiment; FIG. 5 is another three-dimensional exploded view of the embodiment; FIG. 6 is a three-dimensional view of a tool bar of the embodiment; FIG. 7 is a three-dimensional view of a set of connecting blocks of the embodiment; FIG. 8 is a side view of the embodiment; FIG. 9 is an incomplete cross-sectional view along line IX-IX of FIG. 8; FIG. 10 is a cross-sectional view along line X-X of FIG. 8; and Figure 11 is a schematic diagram of the embodiment installed on a turret.

3: Knife handle

31: Rod body

32: Club head

33: Main pressing part

34: First lean against the wall

35: Second lean against the wall

36: The third wall

38: Assembly slot

4: Assembly block

41:Entity

413: The third contact surface

42: Knife holder slot

43: Auxiliary pressing part

431: Secondary extension surface

432: Secondary contact surface

5: First lock firmware

6: Second lock firmware

7: Blade

X: front and back direction

Y: Left and right direction

Z: top-bottom direction

Claims (10)

A combined tool comprises: a tool bar, including a bar body, and a bar head connected to one end of the bar body, the bar head having a set of receiving grooves; a set of connecting blocks, including a body detachably embedded and positioned in the set of receiving grooves, and a knife receiving groove formed at one end of the body away from the bar head; a first locking member, used to fix the set of connecting blocks to the bar head; and a blade, detachably arranged in the knife receiving groove. A combined tool as described in claim 1, wherein the tool rod further includes a main pressing portion formed on the rod head, and the assembly block further includes a secondary pressing portion formed on the body, the main pressing portion has a first screw hole for the first locking piece to be screwed, the main pressing portion and the secondary pressing portion cooperate to define a first boss that is concavely matched with the first locking piece, and the first locking piece includes a locking head portion, a threaded portion connected to the locking head portion and used for being screwed to the first screw hole, and a recessed portion formed at the connection between the locking head portion and the threaded portion and concavely matched with the first boss. The combined tool as described in claim 2, wherein the main pressing portion further has a main extension surface extending from the rod head portion, and a main abutment surface connected to one end of the main extension surface opposite to the rod head portion, the secondary pressing portion has a secondary extension surface formed at the top end of the body and cooperating with the main extension surface, and a secondary abutment surface connected to the secondary extension surface and cooperating with the main abutment surface, the main extension surface and the secondary extension surface are The extended surface cooperates to define a surrounding surface in a continuous annular shape, the main abutment surface and the secondary abutment surface cooperate to define a pressing top surface connected to the surrounding surface and in a complete circular shape, the surrounding surface and the pressing top surface cooperate to form the first protrusion, the recessed portion has an abutment surface connected to the threaded portion and abutting against the pressing top surface, and an annular surface connected between the abutment surface and the lock head portion and covering the surrounding surface. As described in claim 3, the combined tool, wherein the surrounding surface is a continuous surface arranged at an inclination, and the annular surface cooperates with the surrounding surface and is connected obliquely between the abutment surface and the lock head. A combined tool as described in claim 1, wherein the rod body extends along a front-to-back direction, and the rod head also has a first leaning wall connected to one end of the rod body and located in a plane perpendicular to the front-to-back direction, a second leaning wall connected to one end of the first leaning wall along a left-to-right direction perpendicular to the front-to-back direction, and a third leaning wall connected to one end of the first leaning wall and the second leaning wall along a top-to-bottom direction perpendicular to the front-to-back direction and the left-to-right direction, the first leaning wall, the second leaning wall and the third leaning wall cooperate to define the assembly receiving groove for the body to be embedded and positioned. A combined tool as described in claim 5, wherein the main body of the assembly block has a first abutment surface along the front-rear direction opposite to the tool receiving groove and abutting against the first leaning wall, a second abutment surface connected to one end of the first abutment surface along the left-right direction and abutting against the second leaning wall, and a third abutment surface connected to one end of the first abutment surface and the second abutment surface along the top-bottom direction and abutting against the third leaning wall, and the tool receiving groove is formed on one side of the main body along the left-right direction opposite to the second abutment surface. A combined tool as described in claim 6, wherein the first leaning wall has a first leaning surface adjacent to one side of the assembly groove and abutting against the first abutting surface, the second leaning wall has a second leaning surface adjacent to one side of the assembly groove and abutting against the second abutting surface, the third leaning wall has a third leaning surface adjacent to one side of the assembly groove and abutting against the third abutting surface, the angle between the first leaning surface and the second leaning surface is less than 90 degrees, and the angle between the first abutting surface and the second abutting surface is less than 90 degrees. A combined tool as described in claim 6, wherein the first leaning wall has a first leaning surface adjacent to one side of the assembly groove and abutting against the first abutting surface, and a first stop block extending from the first leaning surface toward the assembly groove, the second leaning wall has a second leaning surface adjacent to one side of the assembly groove and abutting against the second abutting surface, and a second stop block extending from the second leaning surface toward the assembly groove and connected to the first stop block, the third leaning wall has a first leaning surface adjacent to one side of the assembly groove and abutting against the third stop block, The third abutment surface, the first limiting block, the second limiting block, the first abutment surface, the second abutment surface and the third abutment surface cooperate to define a limiting groove, the angle between the first limiting block and the second limiting block is less than 90 degrees, the main body also has a first protrusion extending from the first abutment surface, and a second protrusion extending from the second abutment surface and connected to the first protrusion, the first protrusion and the second protrusion are used to be embedded in the limiting groove, and the angle between the first protrusion and the second protrusion is less than 90 degrees. The combined tool as described in claim 6, wherein the first leaning wall has a first leaning surface adjacent to one side of the assembly groove and abutting against the first abutting surface, and a first stop block extending from the first leaning surface toward the assembly groove, the second leaning wall has a second leaning surface adjacent to one side of the assembly groove and abutting against the second abutting surface, and a second stop block extending from the second leaning surface toward the assembly groove and connected to the first stop block, the third leaning wall has a first leaning surface adjacent to the assembly groove and abutting against the second abutting surface, and a second stop block extending from the second leaning surface toward the assembly groove and connected to the first stop block, One side of the receiving groove abuts against the third supporting surface, the end surface of the first limiting block adjacent to the assembled receiving groove is inclined relative to the first supporting surface and the angle between the first limiting block and the third supporting surface is less than 90 degrees, the first supporting surface is inclined in coordination with the first limiting block, the end surface of the second limiting block adjacent to the assembled receiving groove is inclined relative to the second supporting surface and the angle between the second supporting surface is less than 90 degrees, and the second supporting surface is inclined in coordination with the second limiting block. The combined tool as described in claim 8 also includes a second locking piece, the rod head also has a through hole passing through the second wall along the left-right direction, the main body also has a second screw hole formed on the second protrusion along the left-right direction and correspondingly connected to the through hole, the second locking piece passes through the through hole and is screwed to the second screw hole.

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