CN210335224U - Clamping mechanism for shoe tree cylinder opening - Google Patents
Clamping mechanism for shoe tree cylinder opening Download PDFInfo
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- CN210335224U CN210335224U CN201920986070.7U CN201920986070U CN210335224U CN 210335224 U CN210335224 U CN 210335224U CN 201920986070 U CN201920986070 U CN 201920986070U CN 210335224 U CN210335224 U CN 210335224U
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- clamping jaw
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Abstract
The utility model relates to a fixture of shoe tree nozzle, its characterized in that: wherein the fixture of shoe tree nozzle includes the centre gripping rocking arm and establishes the pneumatic cylinder that becomes certain contained angle at the axial lead of centre gripping rocking arm free end and centre gripping rocking arm length direction, the internal reciprocating piston who is provided with along pneumatic cylinder axial lead direction motion of pneumatic cylinder, the lower end cover that the tip was fixed to be equipped with under the pneumatic cylinder is provided with the clamping jaw that is used for cliping the dovetail of waiting to process the shoe tree nozzle, the utility model discloses the fixture of shoe tree nozzle simple structure, reasonable in design are favorable to treating through hydraulic pressure clamping jaw and process the shoe tree nozzle dovetail and carry out the clamping to be favorable to improving the clamping efficiency of waiting to process the shoe tree and the machining precision and the efficiency of.
Description
The technical field is as follows:
the utility model relates to a fixture of shoe tree nozzle.
Background art:
the shoe tree is the forming die of shoes, and it has decided shoes molding and style, has also decided whether shoes fit the foot, and along with the improvement optimization of shoemaking technology and the improvement to shoe tree precision requirement, traditional shoetree equipment clamping structure makes the design of shoe tree head and the tail centre gripping processing receive the limitation, can't realize the whole processing of shoe tree.
The invention content is as follows:
an object of the utility model is to provide a fixture of shoe tree nozzle, this fixture of shoe tree nozzle simple structure, reasonable in design are favorable to making things convenient for the clamping of shoe tree.
The utility model discloses fixture of shoe tree nozzle, its characterized in that: comprises a clamping rotating arm and a hydraulic cylinder which is arranged at the free end of the clamping rotating arm and has a certain included angle with the length direction of the clamping rotating arm, a reciprocating piston moving along the axial lead direction of the hydraulic cylinder is arranged in the hydraulic cylinder body, a clamping jaw for clamping a dovetail groove of a shoe tree cylinder opening to be processed is arranged on a lower end cover fixedly arranged at the lower end part of the hydraulic cylinder, a group of sliding blocks capable of sliding in a reciprocating manner along the axial lead of the clamping jaw are arranged on two sides of the clamping jaw, the lower end surface of the reciprocating piston is contacted with the upper parts of the sliding blocks through a movable push rod arranged on the lower end cover of the hydraulic cylinder in a penetrating manner, a reset tension spring is sleeved on the periphery of the movable push rod, the inner sides of the lower ends of the two sliding blocks are respectively provided with an inclined plane which is engaged with the inclined wedge surface on the outer peripheral side of the lower part of the clamping jaw so as to force the clamping jaw to be folded, a gap is formed in the clamping jaw in the longitudinal direction, the clamping jaw is divided into a left side jaw and a right side jaw by the gap, and the left side jaw and the right side jaw are different in transverse thickness; a central pressure spring with the lower end part propped against the lower end cover of the hydraulic cylinder is arranged in the inner cavity at the lower part of the reciprocating piston.
Furthermore, above-mentioned pneumatic cylinder lower end cover and clamping jaw are integrated into one piece structure, and the slider that is located the clamping jaw both sides is through the bolted connection of horizontal through clamping jaw, be equipped with the perforation groove that is used for wearing to establish the bolt on the clamping jaw, the bolt slides from top to bottom in the perforation groove.
Furthermore, the clamping jaw comprises a connecting column fixedly connected with the lower end cover of the hydraulic cylinder and a clamping head connected with the lower end part of the connecting column, an opening in the lower part of the clamping head is inverted trapezoid, the clamping head is matched and clamped with a dovetail groove of a barrel opening of a shoe tree to be processed, the whole gap is in a turning shape, the lower half part of the gap penetrates through the central symmetry plane of the clamping head and extends for one section in the lower part of the connecting column, and the middle part of the connecting column is divided into two asymmetric parts by the upper half.
Furthermore, the clamping rotating arms are provided with pressure oil ducts communicated with the hydraulic cylinders, and the machine table is provided with a first motor which respectively drives each group of clamping rotating arms to rotate.
Furthermore, a groove arranged along the width direction of the inclined plane on the inner side of the lower end of the sliding block is arranged on the inclined plane.
Further, a roller is arranged in the groove.
The utility model discloses a shoe tree nozzle clamping mechanism's operating method, wherein the shoe tree nozzle clamping mechanism includes the centre gripping rocking arm and sets up the axial lead of centre gripping rocking arm free end and the pneumatic cylinder that the centre gripping rocking arm length direction becomes certain contained angle, be provided with the reciprocating piston that moves along pneumatic cylinder axial lead direction in the pneumatic cylinder body, the lower end lid that the pneumatic cylinder lower extreme is fixed to be equipped with is provided with the clamping jaw that is used for cliping the shoe tree nozzle dovetail of waiting to process, the both sides of clamping jaw are equipped with a set of slider that can follow clamping jaw axial lead reciprocating sliding, the lower terminal surface of reciprocating piston contacts with slider upper portion through the movable push rod that wears to locate on the pneumatic cylinder lower extreme lid, overlaps the extension spring that resets in the activity push rod periphery, and the inboard of two slider lower extremes all is equipped with the inclined plane that agrees with the inclined wedge face of clamping jaw, the clamping jaw is divided into a left side jaw and a right side jaw by the gap, and the left side jaw and the right side jaw are different in transverse thickness; a central pressure spring with the lower end part propped against the lower end cover of the hydraulic cylinder is arranged in the inner cavity at the lower part of the reciprocating piston; when the device works, the dovetail groove of the shoe tree cylinder opening to be machined is inserted into the clamping jaw, the reciprocating piston drives the movable push rod to push downwards under the action of hydraulic pressure on the reciprocating piston, the sliding block is driven to move downwards, the inclined plane positioned on the inner side of the lower end of the sliding block abuts against the inclined wedge surface on the outer peripheral side of the lower portion of the clamping jaw, the lower portion of the clamping jaw is retracted, the clamping jaw is enabled to clamp the dovetail groove of the shoe tree cylinder opening to be machined, and clamping of a shoe tree to be machined is; after the processing is finished, hydraulic pressure is eliminated, the reciprocating piston moves upwards under the action of the central pressure spring, the sliding block is not pushed by the movable push rod any more, and moves upwards under the action of the reset tension spring, so that the clamping jaw loosens and clamps the dovetail groove of the shoe tree barrel opening to be processed, and the processed shoe tree can be taken down.
The utility model discloses fixture of shoe tree nozzle simple structure, reasonable in design are favorable to treating through the hydraulic pressure clamping jaw and process the shoe tree nozzle dovetail and carry out the clamping to be favorable to improving the clamping efficiency of treating processing shoe tree, and can improve the machining precision and the efficiency of shoe tree.
Description of the drawings:
FIG. 1 is a schematic perspective view of a six-station shoe tree integral finishing equipment machine;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of the M-M cross-sectional configuration of FIG. 2;
FIG. 4 is a schematic view of the N-N cross-sectional configuration of FIG. 2;
FIG. 5 is a view of the shoe last cylinder mouth clamping mechanism of FIG. 1 in a configuration connected to a motor;
FIG. 6 is a schematic view of the three-dimensional structure of the shoe tree socket clamping mechanism of the present invention;
FIG. 7 is a schematic cross-sectional perspective view of the construction of FIG. 6;
FIG. 8 is a cross-sectional front view construction schematic of FIG. 6;
FIG. 9 is a schematic view of the W-W cross-sectional configuration of FIG. 8;
FIG. 10 is a schematic view of the alternate operating configuration of FIG. 9 (with the jaws closed);
FIG. 11 is a schematic perspective view of the gripper and the lower end cap of the hydraulic cylinder;
FIG. 12 is a front view of FIG. 11;
FIG. 13 is a schematic perspective view of a slider;
FIG. 14 is a front view of FIG. 13 (with the last snapped in place);
FIG. 15 is a front view of the alternate embodiment of FIG. 14;
FIG. 16 is a schematic view of the connection structure of the tool apron and the horizontal slide carriage;
FIG. 17 is a schematic view of the back side construction of FIG. 16;
fig. 18 is a schematic sectional configuration of fig. 17.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The first embodiment, the six-station shoe tree integral finish machining device comprises a machine table 1, six groups of shoe tree cylinder opening clamping mechanisms A arranged on the machine table 1 and used for clamping shoe trees to be machined and tool holders B arranged on the machine table, wherein six groups of milling cutters 2 used for milling the shoe trees to be machined are arranged on the tool holders B, each shoe tree cylinder opening clamping mechanism A comprises a clamping rotating arm A1 and a hydraulic cylinder A2 arranged at the free end of the clamping rotating arm and having a certain included angle with the length direction of the clamping rotating arm, a reciprocating piston A3 moving along the axial line direction of the hydraulic cylinder is arranged in the hydraulic cylinder A2, a clamping jaw A5 used for clamping a dovetail groove of the shoe tree cylinder opening to be machined is arranged on a lower end cover A4 fixedly arranged at the lower end part of the hydraulic cylinder A2, a group of slide blocks A6 capable of sliding back and forth along the axial line of the clamping jaw A5 are arranged on two sides of the reciprocating piston, the lower end face of the reciprocating, a reset tension spring A8 is sleeved on the periphery of the movable push rod A7, inclined planes A10 which are matched with inclined wedge surfaces A9 on the outer periphery of the lower portion of the clamping jaw are arranged on the inner sides of the lower ends of the two sliding blocks respectively so as to force the clamping jaw to be folded, a gap A11 is formed in the longitudinal direction of the clamping jaw and divides the clamping jaw into a left side jaw A23 and a right side jaw A12, and the left side jaw and the right side jaw are different in transverse thickness; a central pressure spring A13 with the lower end part pressed against the lower end cover of the hydraulic cylinder is arranged in the lower cavity of the reciprocating piston. When the device works, a dovetail groove of a shoe tree cylinder opening to be processed is inserted into the clamping jaw, oil pressure is enabled to act on the reciprocating piston through the pressure oil duct A19, the reciprocating piston drives the movable push rod A7 to push downwards, the slide block A6 is driven to move downwards, the inclined plane A10 positioned on the inner side of the lower end of the slide block A6 is pressed against the inclined wedge surface A9 on the outer peripheral side of the lower portion of the clamping jaw, the lower portion of the clamping jaw is retracted, the clamping jaw is enabled to clamp the dovetail groove of the shoe tree cylinder opening to be processed, and clamping of a; after the processing is finished, hydraulic pressure is eliminated, the reciprocating piston moves upwards under the action of the central pressure spring, the sliding block is not extruded and pushed by the movable push rod A7 any more, and moves upwards under the action of the return tension spring A8, so that the clamping jaw loosens and clamps the dovetail groove K of the shoe tree barrel opening to be processed, and the processed shoe tree can be taken down.
Example two: the six-station shoe tree integral finish machining equipment comprises a machine table 1, six groups of shoe tree cylinder opening clamping mechanisms A arranged on the machine table 1 and used for clamping shoe trees to be machined and tool holders B arranged on the machine table, six groups of milling cutters 2 used for milling the shoe trees to be machined are arranged on the tool holders B, each shoe tree cylinder opening clamping mechanism A comprises a clamping rotating arm A1 and a hydraulic cylinder A2 arranged at the free end of the clamping rotating arm and having a certain included angle with the length direction of the clamping rotating arm, a reciprocating piston A3 moving along the axial line direction of the hydraulic cylinder is arranged in each hydraulic cylinder A2, a clamping jaw A5 used for clamping a dovetail groove of the shoe tree cylinder opening to be machined is arranged on a lower end cover A4 fixedly arranged at the lower end part of each hydraulic cylinder A2, a group of sliders 493A 2 capable of sliding in a reciprocating mode along the axial line of the clamping jaw A5 are arranged on two sides of each clamping jaw 829 28, the lower end face of, a reset tension spring A8 is sleeved on the periphery of the movable push rod A7, inclined planes A10 which are matched with inclined wedge surfaces A9 on the outer periphery of the lower portion of the clamping jaw are arranged on the inner sides of the lower ends of the two sliding blocks respectively so as to force the clamping jaw to be folded, a gap A11 is formed in the longitudinal direction of the clamping jaw and divides the clamping jaw into a left side jaw A23 and a right side jaw A12, and the left side jaw and the right side jaw are different in transverse thickness; a central pressure spring A13 with the lower end part propped against the lower end cover of the hydraulic cylinder is arranged in the lower cavity of the reciprocating piston, the lower end cover A4 of the hydraulic cylinder and the clamping jaw A5 are of an integrated structure, the sliding blocks positioned at the two sides of the clamping jaw are connected by a bolt A14 transversely penetrating through the clamping jaw A5, the clamping jaw is provided with a perforation groove A15 for passing a bolt, the bolt A14 slides up and down in the perforation groove, the slide block moves downwards under the action of the movable push rod A7 on the slide block, and moves upwards under the action of the return tension spring A8 after the hydraulic pressure is removed, in the process of up and down sliding movement, the screw rod of the bolt A14 is limited in the perforation groove A15 to slide, the central pressure spring A13 plays a role in removing hydraulic pressure, for the resetting of the reciprocating piston A3, a movable push rod A7 penetrates through a through hole A41 on a lower end cover A4 of the hydraulic cylinder to act on a concave groove A42 on the sliding block, and two ends of a resetting tension spring A8 are respectively fixed at the bottom of the concave groove A42 and the lower surface of the reciprocating piston A3.
Wherein an embodiment, for production preparation convenience, reasonable in design, above-mentioned clamping jaw A5 include with pneumatic cylinder lower extreme cover fixed connection's spliced pole A16 and with spliced pole lower extreme end connection's dop A17, the inboard opening A18 in dop lower part is down trapezoidal, and it is tight with waiting to process the cooperation of shoe tree nozzle dovetail K, and the whole turning shape that is in gap, the lower half in gap run through the central symmetry plane of dop and extend one section in the lower part of spliced pole, and the first half in gap is two parts that are asymmetric with the spliced pole middle part, and this gap can be realized through line cutting.
In one embodiment, for better hydraulic pressure transmission, the clamping rotating arms are provided with pressure oil passages a19 leading to the hydraulic cylinders, the machine table is provided with a first motor a20 driving each group of clamping rotating arms a1 to rotate, and hydraulic oil is transmitted to the pressure oil passages a19 through hydraulic pipelines on the machine table, of course, the pressure oil passages a19 can be supplied with hydraulic pressure or air pressure.
In one embodiment, the inclined plane on the inner side of the lower end of the slider is provided with a groove A21 arranged along the width direction, the width of the groove A21 can be 1-2 cm, the depth of the groove A21 is 0.5-1 cm, the number of the grooves A21 can be multiple, the width of the grooves can be adjusted to 0.5-1 cm under multiple conditions, and the grooves can reduce friction force generated when the left-side claw A23 and the right-side claw A12 are folded or released, so that the slider can slide more smoothly.
In one embodiment, to further reduce the friction of the sliding block, a roller a22 is disposed in the groove. The hydraulic cylinder described above may be replaced with an electric cylinder.
In one embodiment, the tool apron B is a long plate body, two sides of the tool apron B are hinged to a horizontal sliding planker B1 through pin shafts, the horizontal sliding planker B1 can be leveled through a screw nut mechanism driven by a motor, the horizontal sliding planker B1 can be lifted to move in the horizontal direction of a milling cutter, a horizontal sliding planker B1 can be arranged on the lower surface of a lifting seat B8, the lifting seat B8 can be lifted through a screw nut mechanism driven by another motor, a first supporting seat B3 for supporting the rear part of a telescopic hydraulic cylinder B2 is fixedly arranged on the rear side of the middle part of the horizontal sliding planker, a second supporting seat B4 for hinging the middle part of the tool apron is fixedly arranged on the front side of the middle part of the horizontal sliding planker, a swinging push plate B5 is fixedly arranged on the lower surface of the middle part of the tool apron, a through groove B6 is arranged in the middle of the lower part of the swinging push plate, the front end of a telescopic rod, and the two sides of the front end of the telescopic rod are hinged on the side wall of the through groove through pin shafts.
The working method of the six-station shoe tree integral finish machining equipment comprises a machine table, six groups of shoe tree calibre clamping mechanisms arranged on the machine table and used for clamping shoe trees to be machined and cutter holders arranged on the machine table, six groups of milling cutters used for milling the shoe trees to be machined are arranged on the cutter holders, each shoe tree calibre clamping mechanism comprises a clamping rotating arm and a hydraulic cylinder arranged at the free end of the clamping rotating arm, wherein a certain included angle is formed between the axial lead of the clamping rotating arm and the length direction of the clamping rotating arm, a reciprocating piston moving along the axial lead direction of the hydraulic cylinder is arranged in the hydraulic cylinder, clamping jaws used for clamping dovetail grooves of the shoe trees to be machined are arranged on lower end covers fixedly arranged at the lower end parts of the hydraulic cylinder, a group of sliders capable of sliding along the axial lead of the clamping jaws in a reciprocating manner are arranged on the two sides of each clamping jaw, a reset tension spring is sleeved on the periphery of the movable push rod, inclined planes matched with inclined wedge surfaces on the outer peripheral sides of the lower parts of the clamping jaws are arranged on the inner sides of the lower ends of the two sliding blocks so as to force the clamping jaws to be folded, a gap is formed in the longitudinal direction of the clamping jaws, the clamping jaws are divided into a left side jaw and a right side jaw by the gap, and the transverse thicknesses of the left side jaw and the right side jaw are different; a central pressure spring with the lower end part propped against the lower end cover of the hydraulic cylinder is arranged in the inner cavity at the lower part of the reciprocating piston; when the device works, the dovetail groove of the shoe tree cylinder opening to be machined is inserted into the clamping jaw, the reciprocating piston drives the movable push rod to push downwards under the action of hydraulic pressure on the reciprocating piston, the sliding block is driven to move downwards, the inclined plane positioned on the inner side of the lower end of the sliding block abuts against the inclined wedge surface on the outer peripheral side of the lower portion of the clamping jaw, the lower portion of the clamping jaw is retracted, the clamping jaw is enabled to clamp the dovetail groove of the shoe tree cylinder opening to be machined, and clamping of a shoe tree to be machined is; after the processing is finished, hydraulic pressure is eliminated, the reciprocating piston moves upwards under the action of the central pressure spring, the sliding block is not pushed by the movable push rod any more, and moves upwards under the action of the reset tension spring, so that the clamping jaw loosens and clamps the dovetail groove of the shoe tree barrel opening to be processed, and the processed shoe tree can be taken down.
The utility model discloses fixture of shoe tree nozzle simple structure, reasonable in design are favorable to treating through the hydraulic pressure clamping jaw and process the shoe tree nozzle dovetail and carry out the clamping to be favorable to improving clamping efficiency and the machining precision and the efficiency of shoe tree of treating processing shoe tree.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (6)
1. The utility model provides a fixture of shoe tree nozzle which characterized in that: comprises a clamping rotating arm and a hydraulic cylinder which is arranged at the free end of the clamping rotating arm and has a certain included angle with the length direction of the clamping rotating arm, a reciprocating piston moving along the axial lead direction of the hydraulic cylinder is arranged in the hydraulic cylinder body, a clamping jaw for clamping a dovetail groove of a shoe tree cylinder opening to be processed is arranged on a lower end cover fixedly arranged at the lower end part of the hydraulic cylinder, a group of sliding blocks capable of sliding in a reciprocating manner along the axial lead of the clamping jaw are arranged on two sides of the clamping jaw, the lower end surface of the reciprocating piston is contacted with the upper parts of the sliding blocks through a movable push rod arranged on the lower end cover of the hydraulic cylinder in a penetrating manner, a reset tension spring is sleeved on the periphery of the movable push rod, the inner sides of the lower ends of the two sliding blocks are respectively provided with an inclined plane which is engaged with the inclined wedge surface on the outer peripheral side of the lower part of the clamping jaw so as to force the clamping jaw to be folded, a gap is formed in the clamping jaw in the longitudinal direction, the clamping jaw is divided into a left side jaw and a right side jaw by the gap, and the left side jaw and the right side jaw are different in transverse thickness; a central pressure spring with the lower end part propped against the lower end cover of the hydraulic cylinder is arranged in the inner cavity at the lower part of the reciprocating piston.
2. The mechanism for retaining a last canister opening according to claim 1, wherein: the hydraulic cylinder lower end cover and the clamping jaw are of an integrally formed structure, the sliding blocks located on two sides of the clamping jaw are connected through a bolt transversely penetrating through the clamping jaw, a perforation groove for penetrating a bolt is formed in the clamping jaw, and the bolt slides up and down in the perforation groove.
3. The mechanism for retaining a last canister opening according to claim 2, wherein: the clamping jaw comprises a connecting column fixedly connected with a lower end cover of the hydraulic cylinder and a clamping head connected with the lower end part of the connecting column, an opening in the inner side of the lower part of the clamping head is inverted trapezoid, the clamping head is matched and clamped with a dovetail groove of a shoe tree cylinder opening to be processed, the gap is integrally in a turning shape, the lower half part of the gap penetrates through a central symmetry plane of the clamping head and extends for one section in the lower part of the connecting column, and the middle part of the connecting column is divided into two asymmetric parts.
4. The mechanism for retaining a last canister opening according to claim 3, wherein: the clamping rotating arms are provided with pressure oil ducts leading to the hydraulic cylinders, and the machine table is provided with a first motor for respectively driving each group of clamping rotating arms to rotate.
5. The mechanism for retaining a last canister opening according to claim 4, wherein: and a groove arranged along the width direction of the slide block is arranged on the inclined plane at the inner side of the lower end of the slide block.
6. The mechanism for retaining a last canister opening according to claim 5, wherein: and a roller is arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986070.7U CN210335224U (en) | 2019-06-28 | 2019-06-28 | Clamping mechanism for shoe tree cylinder opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986070.7U CN210335224U (en) | 2019-06-28 | 2019-06-28 | Clamping mechanism for shoe tree cylinder opening |
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| Publication Number | Publication Date |
|---|---|
| CN210335224U true CN210335224U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920986070.7U Active CN210335224U (en) | 2019-06-28 | 2019-06-28 | Clamping mechanism for shoe tree cylinder opening |
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| CN (1) | CN210335224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202400A (en) * | 2019-06-28 | 2019-09-06 | 福州旭乐数控设备有限公司 | The clamping device and its working method of shoe tree nozzle |
-
2019
- 2019-06-28 CN CN201920986070.7U patent/CN210335224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202400A (en) * | 2019-06-28 | 2019-09-06 | 福州旭乐数控设备有限公司 | The clamping device and its working method of shoe tree nozzle |
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