CN216828016U - Rotatable adduction ear knife - Google Patents
Rotatable adduction ear knife Download PDFInfo
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- CN216828016U CN216828016U CN202123223996.7U CN202123223996U CN216828016U CN 216828016 U CN216828016 U CN 216828016U CN 202123223996 U CN202123223996 U CN 202123223996U CN 216828016 U CN216828016 U CN 216828016U
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- downward extending
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Abstract
The utility model discloses a rotary adduction ear knife, which comprises a knife collecting block, a knife body, a downward extension guide drive and a corner drive cylinder circumferentially limited with the downward extension guide drive, wherein the knife collecting block is positioned below the knife body and fixedly connected with the downward extension guide drive; the downward extending guide drive is connected in the cutter body in a sliding manner and drives the cutter retracting block to move up and down; the tool retracting block and the corner driving cylinder are mutually sleeved, the corner driving cylinder is far away from the tool retracting block along the axial direction of the corner driving cylinder under the action of external driving force, and the circumferential contact surfaces of the corner driving cylinder and the corner driving cylinder are provided with a spiral groove and a limiting pin which are mutually matched, so that the corner driving cylinder and the tool retracting block generate spiral relative motion. Utilize down to stretch the direction drive and receive the sword piece and move down or shift up, after receiving the sword piece and move down, upwards remove corner driving cylinder alone, because corner driving cylinder is spacing by circumference, consequently receive the sword piece and make rotary motion to the messenger receives the sword piece rotatory to inboard, realizes the effect of receiving the sword.
Description
Technical Field
The utility model relates to a machine tooling and panel contour machining technical field especially relate to a rotatable adduction ear sword.
Background
The automatic tool changing system of the bending machine or the bending center is divided into a PP form and an SA form according to the shape of the part of the standard tool foot, the standard tools on the two sides of the PP form automatic tool changing system are ear tools, and each standard tool in the SA form automatic tool changing system is an ear tool.
Because the outermost both sides of automatic tool changing system of two kinds of forms are the ear sword, the bender is processed, the ear sword of outermost both sides can take place to interfere with the work piece, consequently, generally need contract in the ear sword to avoid the interference of ear sword and work piece, let the smooth separation of bending sword and work piece, but present ear sword contracts the structure in more complicated, and damage easily, lead to preparation and cost of maintenance high, need design a simple structure for this reason, not fragile ear sword that can receive the sword.
SUMMERY OF THE UTILITY MODEL
In order to solve the more complicated structure that contracts in of the ear sword among the prior art, and damage easily, lead to the technical problem that preparation and cost of maintenance are high, the utility model provides an ear sword of rotatable adduction solves above-mentioned problem.
The utility model provides a rotary adduction ear knife, which comprises a knife collecting block, a knife body, a downward extension guide drive and a corner drive cylinder circumferentially limited with the downward extension guide drive, wherein the knife collecting block is positioned below the knife body and fixedly connected with the downward extension guide drive; the downward extending guide drive is connected in the cutter body in a sliding manner and drives the cutter retracting block to move up and down; the tool retracting block and the corner driving cylinder are mutually sleeved, the corner driving cylinder is far away from the tool retracting block along the axial direction of the corner driving cylinder under the action of external driving force, and the circumferential contact surfaces of the corner driving cylinder and the corner driving cylinder are provided with a spiral groove and a limiting pin which are mutually matched, so that the corner driving cylinder and the tool retracting block generate spiral relative motion.
Furthermore, a cavity suitable for containing the downward extending guide driving cylinder and the corner driving cylinder is arranged in the cutter body, a connecting sleeve sleeved with the corner driving cylinder is fixed on the cutter retracting block, and the spiral groove and the limiting pin are respectively located on the corner driving cylinder and the connecting sleeve.
The lower extension guide driving device, the corner driving cylinder and the connecting sleeve are mutually sleeved, the lower extension guide driving device, the corner driving cylinder and the connecting sleeve divide the cavity into an upper cavity, a middle lower cavity and a lower cavity which are not communicated, a first return spring is arranged in the middle upper cavity, a second return spring is arranged in the lower cavity, and a first air hole and a second air hole are formed in the ear knife; the first air hole is communicated with the upper cavity.
When the downward extending guide driving device is positioned at the lowest part, the first return spring and the second return spring contract, and the second air hole is communicated with the middle lower cavity.
Furthermore, the downward extending guide driving cylinder, the corner driving cylinder and the connecting sleeve are respectively provided with a shaft shoulder which is abutted against the inner wall of the cavity body, and the downward extending guide driving cylinder, the corner driving cylinder and the connecting sleeve are respectively provided with a shaft shoulder which is abutted against the inner wall of the cavity body
Furthermore, the downward extending guide drive penetrates through the corner drive cylinder and is abutted to the cutter retracting block.
Furthermore, a guide post is fixed in the cavity, and the downward extending guide driving device is connected to the guide post in a sliding mode.
Furthermore, the guide post is matched with the downward extending guide drive and the corner drive cylinder is matched with the downward extending guide drive through non-circular contact surfaces.
Furthermore, the bottom of the cutter body and the top of the cutter collecting block are provided with a long groove and a convex rib which are matched and clamped with each other.
Further, fixedly connected with installation clamping ring can be dismantled to the bottom of cutter body, long type groove is located the bottom of installation clamping ring, protruding muscle is located the top of receipts sword piece.
The utility model has the advantages that:
(1) rotatable adduction's ear sword, utilize to stretch down direction drive and receive the sword piece and move down or shift up, after receiving the sword piece and move down, upwards remove the corner driving cylinder alone, because the corner driving cylinder is spacing by circumference, consequently receive the sword piece and make rotary motion to the messenger receives the sword piece rotatory to inboard, realizes the effect of receiving the sword.
(2) Ear sword of rotatable adduction, realize stretching down the direction drive and moving down and shifting up of corner driving cylinder through aerifing the pressurized mode to realize stretching down the reseing of direction drive and corner driving cylinder through reset spring, simple structure does not need too much actuating mechanism, and the part is not fragile.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a perspective view of a rotatable and adduction ear knife according to an embodiment of the present invention
FIG. 2 is a schematic view of the present invention when the knife retracting block is located at the top;
fig. 3 is a perspective view of the middle corner driving cylinder of the present invention;
FIG. 4 is a schematic view of the retracting block of FIG. 2 moving downwardly to the lowermost position;
FIG. 5 is a schematic view of the retracting block of FIG. 4 rotated 90;
FIG. 6 is a schematic view of the present invention after assembly without retracting the knife;
fig. 7 is a schematic view of the utility model when the knife is retracted after assembly.
In the figure, the cutter comprises a cutter body 1, a downward extending guide drive 3, a corner drive cylinder 4, a spiral groove 5, a connecting sleeve 6, an upper cavity 7, an upper cavity, a middle cavity, a lower cavity, a first return spring 10, a first return spring 11, a second return spring 12, a first air hole 13, a second air hole 14, a guide column 15, a workpiece 16, a cutter retracting block 1601, a convex rib 17, a shaft shoulder 18, a mounting press ring 1801, a long groove 19 and a limiting pin.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A rotatable adduction ear knife comprises a knife collecting block 16, a knife body 1, a downward extension guide driving 2 and a corner driving cylinder 3 circumferentially limited with the downward extension guide driving 2, wherein the knife collecting block 16 is positioned below the knife body 1 and fixedly connected with the downward extension guide driving 2, and the knife collecting block 16 is used as an ear part of the knife body 1 and forms an ear knife together with the knife body 1; the downward extending guide driving device 2 is connected in the cutter body 1 in a sliding way and drives the cutter retracting block 16 to move up and down; the knife collecting block 16 and the corner driving cylinder 3 are mutually sleeved, the corner driving cylinder 3 is far away from the knife collecting block 16 along the axial direction of the corner driving cylinder 3 under the action of external driving force, and the circumferential contact surfaces of the corner driving cylinder 3 and the corner driving cylinder 3 are provided with a spiral groove 4 and a limiting pin 19 which are mutually matched, so that the corner driving cylinder 3 and the knife collecting block 16 generate spiral relative motion.
When the ear knife needs to be retracted, the knife retracting block 16 is driven to move downwards through the downward extending guide driving part 2, the knife retracting block 16 is located below the height of the standard knife, interference between the knife retracting block 16 and an adjacent standard knife after rotation is avoided, then the corner driving cylinder 3 is axially far away from the knife retracting block 16 by using external driving force, and the knife retracting block 16 rotates under the action of the spiral groove 4 due to the fact that the corner driving cylinder 3 is limited in the circumferential direction, so that the knife retracting block 16 retracts. As shown in fig. 6 and 7, which are schematic diagrams comparing before and after the ear knife is retracted in the automatic knife changing system, the retracting block 16 can be separated from the workpiece 15 after retraction, and the workpiece 15 can be taken out smoothly.
The movement of the downward extending guiding drive 2 and the corner drive cylinder 3 is realized by the following structure:
as shown in fig. 1-5, a cavity suitable for accommodating the downward extending guide drive 2 and the corner drive cylinder 3 is arranged in the cutter body 1, a connecting sleeve 5 sleeved with the corner drive cylinder 3 is fixed on the cutter collecting block 16, so that the cutter collecting block 16 and the corner drive cylinder 3 are in sleeved connection, and the spiral groove 4 and the limiting pin 19 are respectively arranged on the corner drive cylinder 3 and the connecting sleeve 5. The downward extension guide driver 2, the corner driving cylinder 3 and the connecting sleeve 5 are all columnar structures, and the downward extension guide driver 2 penetrates through the corner driving cylinder 3 to be connected with the connecting sleeve 5, so that the downward extension guide driver 2 drives the cutter retracting block 16 to move upwards or downwards.
The downward extending guide driving device 2, the corner driving cylinder 3 and the connecting sleeve 5 are mutually sleeved, the cavity is divided into an upper cavity 6, an upper middle cavity 7, a lower middle cavity 8 and a lower cavity 9 which are mutually not communicated by the downward extending guide driving device 2, the corner driving cylinder 3 and the connecting sleeve 5, a first return spring 10 is arranged in the upper middle cavity 7, the first return spring 10 is sleeved outside the corner driving cylinder 3, a second return spring 11 is arranged in the lower cavity 9, the second return spring 11 is sleeved outside the connecting sleeve 5, and a first air hole 12 and a second air hole 13 are arranged on the ear knife; the first air hole 12 is communicated with the upper cavity 6; when the downward extending guide drive 2 is at the lowest position, the first return spring 10 and the second return spring 11 contract, and the second air hole 13 communicates with the middle lower cavity 8.
The separation of cavity can be realized through setting up the shaft shoulder 17 at downwardly extending direction drive 2, corner driving cylinder 3 and adapter sleeve 5 tip, goes up cavity 6, well upper chamber 7, well lower cavity 8 and lower cavity 9 and is located between two adjacent shaft shoulders 17 respectively. The lower end of the downward extending guide driving device 2 passes through the corner driving cylinder 3 to abut against the cutter retracting block 16, when the cutter retracting block 16 is positioned at the top (as shown in fig. 3), the first air hole 12 is used for air intake, the downward extending guide driving device 2 pushes the cutter retracting block 16 and the connecting sleeve 5 to move downwards to cause the second return spring 11 to contract, meanwhile, the downward extending guide driving device 2 downwards presses the corner driving cylinder 3 through the first return spring 10 until the cutter retracting block 16 reaches the bottom position (as shown in fig. 4), then the first air hole 12 and the second air hole 13 are used for air intake simultaneously, the downward extending guide driving device 2 keeps the position unchanged at the moment, the corner driving cylinder 3 rises due to the increase of the pressure in the middle lower cavity 8, the corner driving cylinder 3 and the cutter retracting block 16 generate relative vertical movement, and the cutter retracting block 16 rotates under the action of the spiral groove 4 (as shown in fig. 5).
In order to realize the linear motion of the downward extending guide driving device 2, it is preferable that a guide post 14 is fixed inside the cavity, and the downward extending guide driving device 2 is slidably connected to the guide post 14.
The downward extending guiding driver 2 can be fixed on the connecting sleeve 5, when the knife retracting block 16 rotates, the downward extending guiding driver 2 can also rotate together, in the specific embodiment of the utility model, the downward extending guiding driver 2 only does linear reciprocating motion, the lower end of the downward extending guiding driver 2 is abutted against the connecting sleeve 5, and the guide post 14, the downward extending guiding driver 2, the corner driving cylinder 3 and the downward extending guiding driver 2 are all matched through a non-circular contact surface, the non-circular contact surface can be a prismatic surface, or a sliding groove can be arranged on the surface of a cylindrical surface, so that the guide post 14, the downward extending guiding driver 2, the corner driving cylinder 3 and the downward extending guiding driver 2 are sequentially fixed in the circumferential direction, as shown in figure 1, the peripheries of the guide post 14 and the downward extending guiding driver 2 are prismatic surfaces, the inner peripheries of the corner driving cylinder 3 and the downward extending guiding driver 2 are also prismatic surfaces, the upper end of the downward extending guiding driver 2 is sleeved on the guide post 14 fixed with the knife body 1, because the guide post 14 is a fixed structure, the corner driving cylinder 3 can be limited circumferentially.
The utility model discloses a in still another embodiment, the bottom of cutter body 1 and the top of receipts sword piece 16 are equipped with the long type groove 1801 and the protruding muscle 1601 of joint of mutually supporting, and when receipts sword piece 16 was in the top and was connected with cutter body 1, protruding muscle 1601 blocked in long type groove 1801, can avoid receiving sword piece 16 rotatory in the course of the work. Specifically, fixedly connected with installation clamping ring 18 can be dismantled to the bottom of cutter body 1, and long type groove 1801 is located the bottom of installation clamping ring 18, and protruding muscle 1601 is located the top of receipts sword piece 16, and installation clamping ring 18 passes through the fix with screw in the bottom of cutter body 1, and the recess of installation clamping ring 18 and cutter body 1 bottom encloses into the cavity, and the dismantlement of installation clamping ring 18 sets up and can conveniently stretch down and lead parts such as drive 2, corner driving cylinder 3 and pack into the cavity.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "inner", "outer", "axial", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A rotatable adduction ear knife is characterized in that: the cutter retracting device comprises a cutter retracting block (16), a cutter body (1), a downward extending guide drive (2) and a circumferential limiting corner drive cylinder (3), wherein the cutter retracting block (16) is positioned below the cutter body (1); the downward extending guide drive (2) is connected in the cutter body (1) in a sliding way and drives the cutter retracting block (16) to move up and down;
the tool retracting block (16) and the corner driving cylinder (3) are mutually sleeved, the corner driving cylinder (3) is far away from the tool retracting block (16) along the axial direction of the corner driving cylinder (3) under the action of external driving force, and the circumferential contact surfaces of the corner driving cylinder and the corner driving cylinder are provided with a spiral groove (4) and a limiting pin (19) which are mutually matched, so that the corner driving cylinder (3) and the tool retracting block (16) generate spiral relative motion.
2. The rotatably adducted ear knife according to claim 1, wherein: the cutter body (1) is internally provided with a cavity suitable for accommodating the downward extending guide driving cylinder (2) and the corner driving cylinder (3), a connecting sleeve (5) sleeved with the corner driving cylinder (3) is fixed on the cutter retracting block (16), and the spiral groove (4) and the limiting pin (19) are respectively positioned on the corner driving cylinder (3) and the connecting sleeve (5);
the downward extending guide drive (2), the corner drive cylinder (3) and the connecting sleeve (5) are mutually sleeved, the cavity is divided into an upper cavity (6), a middle and upper cavity (7), a middle and lower cavity (8) and a lower cavity (9) which are not communicated by the downward extending guide drive (2), the corner drive cylinder (3) and the connecting sleeve (5), a first reset spring (10) is arranged in the middle and upper cavity (7), a second reset spring (11) is arranged in the lower cavity (9), and a first air hole (12) and a second air hole (13) are arranged on the ear knife; the first air hole (12) is communicated with the upper cavity body (6);
when the lower extension guide drive (2) is positioned at the lowest part, the first return spring (10) and the second return spring (11) contract, and the second air hole (13) is communicated with the middle lower cavity (8).
3. The rotatably adducted ear knife according to claim 2, wherein: the downward extending guide driving device (2), the corner driving cylinder (3) and the connecting sleeve (5) are provided with shaft shoulders (17) abutted to the inner wall of the cavity, and the upper cavity (6), the middle and upper cavity (7), the middle and lower cavity (8) and the lower cavity (9) are respectively located between the shaft shoulders (17).
4. The rotatably adducted ear knife according to claim 2, wherein: the downward extending guide drive (2) penetrates through the corner drive cylinder (3) and is abutted to the cutter retracting block (16).
5. The rotatably adducted ear knife according to claim 2, wherein: a guide post (14) is fixed in the cavity, and the downward extending guide drive (2) is connected to the guide post (14) in a sliding mode.
6. The rotatably adducted ear knife of claim 5, wherein: the guide post (14) is matched with the downward extending guide drive (2) and the corner drive cylinder (3) is matched with the downward extending guide drive (2) through non-circular contact surfaces.
7. The rotatably adducted ear knife according to claim 1, wherein: the bottom of cutter body (1) and the top of receipts sword piece (16) are equipped with long type groove (1801) and protruding muscle (1601) of mutually supporting joint.
8. The rotatably adducted ear knife according to claim 7, wherein: fixedly connected with installation clamping ring (18) can be dismantled to the bottom of cutter body (1), long type groove (1801) is located the bottom of installation clamping ring (18) and cutter body, protruding muscle (1601) are located the top of receipts sword piece (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123223996.7U CN216828016U (en) | 2021-12-21 | 2021-12-21 | Rotatable adduction ear knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123223996.7U CN216828016U (en) | 2021-12-21 | 2021-12-21 | Rotatable adduction ear knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216828016U true CN216828016U (en) | 2022-06-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123223996.7U Active CN216828016U (en) | 2021-12-21 | 2021-12-21 | Rotatable adduction ear knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216828016U (en) |
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2021
- 2021-12-21 CN CN202123223996.7U patent/CN216828016U/en active Active
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