CN114043646B - Die cavity die changing and disassembling tool based on special-shaped expansion block - Google Patents
Die cavity die changing and disassembling tool based on special-shaped expansion block Download PDFInfo
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- CN114043646B CN114043646B CN202111316031.4A CN202111316031A CN114043646B CN 114043646 B CN114043646 B CN 114043646B CN 202111316031 A CN202111316031 A CN 202111316031A CN 114043646 B CN114043646 B CN 114043646B
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- 230000009471 action Effects 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000003856 thermoforming Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/306—Exchangeable mould parts, e.g. cassette moulds, mould inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
Abstract
The application is a divisional application of an application patent with the application number of 201911350263.4 and the application date of 2019.12.24, and the name of a deep cavity mold changing and disassembling tool for a thermoforming mold. The application provides a die cavity die changing and disassembling tool based on a special-shaped expansion block, which comprises a taking and placing module, a control module and a clamping module; the clamping module is used for clamping with the cavity; the control module is matched with the clamping module and used for controlling the clamping module to be clamped with or separated from the cavity; the taking and placing module is connected with the control module and used for taking out the cavity from or placing the cavity into the die through the control module; wherein a first clamping bulge is arranged at the opening of the cavity; the clamping module comprises an expansion module, one end of the expansion module, which is close to the cavity, is provided with a second clamping protrusion which is clamped with the first clamping protrusion, wherein the inner side surface of the first clamping protrusion is in contact clamping with the outer side surface of the second clamping protrusion.
Description
The application is a divisional application of an application patent with the application number of 201911350263.4 and the application date of 2019.12.24, and the name of a deep cavity mold changing and disassembling tool for a thermoforming mold.
Technical Field
The application relates to the field of deep cavity die changing of thermoforming dies, in particular to a die changing and disassembling tool for a die cavity based on a special-shaped expansion block.
Background
Along with the wide application of various thermoforming modules in production practice, various thermoforming manufacturers need to switch and produce different products without disassembling the modules in order to improve the production efficiency and reduce the product switching time. The existing cavity replacement method requires that the mold be removed from the machine, the mold be removed, and then the cavity be passed through Kong Qiaochu via the bottom. The process of replacing the cavity is complicated and has low efficiency.
Therefore, a mold cavity mold changing and disassembling tool based on the special-shaped expansion block is needed to solve the technical problems.
Disclosure of Invention
In order to solve the technical problems, the technical scheme of the application is as follows:
a cavity mold changing and disassembling tool based on a special-shaped expansion block, which is used for taking out a cavity in a mold and comprises the following components: the device comprises a picking and placing module, a control module and a clamping module;
the clamping module is used for clamping with the cavity;
the control module is matched with the clamping module and used for controlling the clamping module to be clamped or separated with the cavity;
the picking and placing module is connected with the control module and used for taking out the cavity or placing the cavity into the die through the control module;
wherein a first clamping protrusion is arranged at the opening of the cavity; the clamping module comprises an expansion module, wherein a second clamping protrusion which is clamped with the first clamping protrusion is arranged at one end, close to the cavity, of the expansion module, and the inner side surface of the first clamping protrusion is in contact clamping with the outer side surface of the second clamping protrusion.
In the present application, the first engaging protrusion includes:
the first inner side surface is approximately parallel to the axis of the cavity and is a side surface of the first clamping protrusion, which is close to the axis of the cavity, and is used for being clamped with the second clamping protrusion;
the first top end surface is approximately perpendicular to the axis of the cavity and is used for limiting the expansion block;
the first outer side surface is approximately parallel to the axis of the cavity and is a side surface of the first clamping protrusion far away from the axis of the cavity and is used for clamping and fixing when the cavity is machined;
the second engaging protrusion includes:
the second outer side surface is approximately parallel to the axis of the cavity and is a side surface of the second clamping protrusion far away from the axis of the cavity and is used for being pressed with the first inner side surface to form clamping;
a second top surface substantially perpendicular to the cavity axis;
the second inner side surface is approximately parallel to the axis of the cavity and is a side surface of the second clamping protrusion, which is close to the axis of the cavity.
In the application, the first inner side surface inclines towards the direction of the second clamping protrusion, and the second outer side surface inclines away from the direction of the first clamping protrusion, so that the clamping stability of the first clamping protrusion and the second clamping protrusion is facilitated.
In the application, the tail end of the first inner side surface is provided with the first stabilizing bulge, and the tail end of the second outer side surface is provided with the second stabilizing bulge, so that the first clamping bulge and the second clamping bulge can be conveniently clamped and stabilized.
In the application, the surface of the first top end is provided with the limiting protrusion, and the limiting protrusion is arranged at one side far away from the axis of the cavity and is used for limiting the dismounting tool.
In the application, the first inner side surface is connected with the inner wall of the cavity through the blocking platform and is used for limiting the disassembling tool.
In the application, the control module comprises a cone; one end of the expansion block, which is far away from the clamping with the cavity, is provided with a conical groove; the cone is matched with the conical groove to control the expansion block to be clamped or separated with the cavity.
In the application, the outer side of the expansion block is provided with a fastening ring;
the expansion block consists of four identical expansion units, is arranged on the circumferential side of the cone and is fastened by fastening rings.
In the application, a cylindrical first measuring part is arranged above the cone, and one end of the first measuring part is connected with the upper end surface of the cone;
a second measuring part matched with the first measuring part is arranged above the conical groove;
the first measuring part and the second measuring part are matched to estimate the clamping degree of the dismounting tool and the cavity.
In the present application, the control module includes: the screw rod, the cone and the square nut;
the screw rod is arranged on the central axis of the clamping module;
the square nut is arranged at one end of the expansion block, which is close to the clamping end of the cavity, and is in sliding connection with the lead screw;
the cone is fixed on the screw rod and is positioned at one end of the expansion block, which is far away from the end clamped with the cavity;
when the clamping is carried out, the screw rod rotates, the square nut drives the expansion block to press the cone, and under the action of the conical surface, the expansion block expands outwards and is tensioned with the first clamping bulge;
when the screw rod is separated, the screw rod rotates, the tightening ring drives the expansion block to press the cone, and the expansion block is contracted inwards under the action of the conical surface and separated from the first clamping protrusion.
In the application, one end of the expansion block, which is close to the clamping with the cavity, is provided with a clearance groove, and the square nut is arranged in the clearance groove.
In the application, the control module comprises a group of guide rods for guiding the movement direction of the screw rod;
a group of first through holes are symmetrically arranged on the center of the cone; the square nut is provided with a group of second through holes corresponding to the first through holes; the expansion block is provided with a group of third through holes corresponding to the first through holes;
one end of the guide rod is fixed with the cone through the first through hole, and the other end of the guide rod is fixed with the square nut through the second through hole and penetrates through the third through hole.
In the application, a clamping spring and a retainer ring are arranged on a screw rod; the check ring is arranged below the cone, and one end face of the check ring is contacted with the cone and used for limiting the cone; the clamping spring is arranged below the check ring, and one end face is contacted with the other end face of the check ring and used for further limiting the cone; and the clamp spring is arranged on the screw rod through a check ring groove.
In the application, the picking and placing module comprises a handle; the handle is vertically arranged at one end, far away from the screw rod, clamped with the cavity and used for rotating the handle to control the screw rod to rotate.
In the application, the middle part of the expansion block is provided with an annular groove, and the tightening ring is fixedly arranged in the annular groove.
Compared with the prior art, the application has the beneficial effects that: the staff directly gets through extracting tool and trades the die cavity to shortened the die cavity greatly and changed the time, improved production efficiency, reduction in production cost. The first top end surface of the first clamping protrusion is in contact clamping with the second outer side surface of the second clamping protrusion, so that the clamping of the disassembling tool and the cavity is realized, and the first inner side surface and the second outer side surface are in surface-to-surface contact for clamping, so that the friction area during clamping is increased, the critical friction force of the first clamping protrusion and the second clamping protrusion is increased, and the clamping of the first clamping protrusion and the second clamping protrusion is more stable; meanwhile, due to the fact that the surfaces are in contact and clamping, when the same acting force is received, the pressure born by the first inner side surface and the second outer side surface is reduced, namely the pressure born by the first top end surface and the second outer side surface is reduced, larger acting force can be born, and the acting force bearing capacity of the first clamping protrusion and the second clamping protrusion is improved. The special-shaped expansion block is simple in structure, and the working efficiency of replacing the cavity is improved when the special-shaped expansion block is operated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present application.
Fig. 1 is a schematic structural view of a preferred embodiment of a cavity-changing dismounting tool based on a special-shaped expansion block.
Fig. 2 is an exploded view of a preferred embodiment of the cavity change tool of the present application based on a profiled expansion block.
Fig. 3 is a cross-sectional view of a cavity of a preferred embodiment of a cavity change tool based on a profiled expansion block of the application.
Fig. 4 is a cross-sectional view of an expansion block of a preferred embodiment of a cavity change tool based on a profiled expansion block of the present application.
Fig. 5 is a cross-sectional view of a cavity of a preferred embodiment of a cavity change tool based on a profiled expansion block of the application.
The mold assembly comprises a taking and placing module 1, a control module 2, a clamping mold block 3, a mold cavity 4, a first clamping protrusion 41, a mold cavity inner wall 42, an expansion block 32, a tightening ring 33, a second clamping protrusion 321, a first inner side surface 411, a mold cavity axis I, a second outer side surface 321a, a second top end surface 321b, a second inner side surface 321c, a limiting protrusion 41a, a blocking platform 41b, a screw 21, a cone 22, a square nut 23, a conical groove 322 and a clearance groove 323.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to the drawings, like elements are numbered alike in the figures.
The words "first," "second," and the like in the terminology of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance and not as limiting the order of precedence.
The following is a first embodiment of a cavity mold changing and disassembling tool based on a special-shaped expansion block, which can solve the technical problems:
referring to fig. 1 and 2, a mold cavity changing and disassembling tool based on a special-shaped expansion block is used for taking out a mold cavity in a mold and comprises a taking and placing module 1, a control module 2 and a clamping mold block 3. The clamping module 3 is used for clamping with the cavity 4. The control module 2 is matched with the clamping module 3 and used for controlling the clamping module 3 to be clamped with or separated from the cavity 4. The taking and placing module 1 is connected with the control module 2 and is used for taking out the cavity 4 from the control module 2 or placing the cavity into the die.
In the embodiment, a worker directly takes and replaces the die cavity 4 through a disassembling tool, so that the die cavity replacement time is greatly shortened, the production efficiency is improved, and the production cost is reduced; instead of removing the mold from the machine as in the prior art cavity 4 replacement, the mold is removed and passed through the bottom Kong Qiaochu cavity 4.
Referring to fig. 1, 3 and 4, in this embodiment, a first engaging protrusion 41 is disposed at an opening of the cavity 4. The clamping block 3 comprises an expansion block 32, and a second clamping protrusion 321 which is clamped with the first clamping protrusion 41 is arranged at one end of the expansion block 32 close to the cavity 4.
The cavity 4 includes a cavity inner wall 42 for forming a product, and a first engaging protrusion 41 provided at an opening of the cavity. The first engaging protrusion 41 includes a first inner side surface 411, a first tip end surface 412, and a first outer side surface 413. The first inner side surface 411 is substantially parallel to the cavity axis i, and is a side surface of the first engaging protrusion 41 near the cavity axis i, for engaging with the second engaging protrusion 321. The first top surface 412 is generally perpendicular to the cavity axis i for limiting the expansion block 32. The first outer side surface 413 is substantially parallel to the cavity axis i and is a side surface of the first engaging protrusion 41 away from the cavity axis i, and is used for tightening and fixing when the cavity 4 is machined.
The second engaging protrusion 321 includes a second outer side surface 321a, a second tip end surface 321b, and a second inner side surface 321c. The second outer side surface 321a is substantially parallel to the cavity axis i, and is a side surface of the second engaging protrusion 321 away from the cavity axis i, and is used for pressing with the first inner side surface 411 to form an engagement. The second tip surface 321b is substantially perpendicular to the cavity axis i. The second inner side surface 321c is substantially parallel to the cavity axis i, and is a side surface of the second engaging protrusion 321 near the cavity axis i.
In this embodiment, the first inner side surface 411 of the first engaging protrusion 41 is in contact with and engages with the second outer side surface 321a of the second engaging protrusion 321 to achieve the engagement between the disassembling tool and the cavity 4, and since the first inner side surface 411 and the second outer side surface 321a are engaged by surface-to-surface contact, the friction area during the engagement is increased, so that the critical friction force between the first engaging protrusion 41 and the second engaging protrusion 321 is increased, and the engagement between the first engaging protrusion 41 and the second engaging protrusion 321 is more stable; meanwhile, due to the surface-to-surface contact engagement, when the same force is received, the pressure applied to the first inner side surface 411 and the second outer side surface 321a is reduced, that is, the pressure applied to the first inner side surface 411 and the second outer side surface 321a is reduced, so that a larger force can be borne, and the force bearing capability of the first engaging protrusion 41 and the second engaging protrusion 321 is improved.
Preferably, the first inner surface 411 is inclined towards the second engaging protrusion 321, and the second outer surface 321a is inclined towards the first engaging protrusion 41, so that the contact area between two friction surfaces is further increased, the stability of the engagement between the first engaging protrusion 41 and the second engaging protrusion 321 is improved, and the capability of bearing acting force of the first engaging protrusion 41 and the second engaging protrusion 321 is further improved; and the first inner side surface 411 is inclined to the second engaging protrusion 321, and the second outer side surface 321a is inclined to the first engaging protrusion 41, so that the pressure of the second engaging protrusion 321 to the first engaging protrusion 41 can be decomposed into a horizontal component and a vertical component, and a worker can lift the cavity 4 with smaller force.
Referring to fig. 5, in the present embodiment, the first top surface 412 is provided with a limiting protrusion 41a, and the limiting protrusion 41a is disposed on a side away from the cavity axis i, and the first inner surface 411 is connected to the cavity inner wall 42 through a blocking platform 41 b. The limiting protrusion 41a is provided to limit the expansion block 32 when the downward movement distance of the expansion block 32 is too large, so that the expansion block 32 is prevented from continuing to move toward the cavity 4 and damaging the molded product.
Referring to fig. 1 and 4, the control module 2 includes a cone 22; the end of the expansion block 32 remote from the engagement with the mould cavity 4 is provided with a tapered recess 322. A tightening ring 33 is arranged outside the expansion block 32. The expansion block 32 is composed of four identical expansion units. The cone 22 and the conical groove 322 cooperate to control the engagement or disengagement of the expansion block 32 with the cavity 4. Through cone 22 and toper recess 322 cooperation, the protruding 41 of control first block and the protruding 321 block of second block that can be convenient have improved the convenience of extracting tool and die cavity 4 block to the efficiency of dismantling die cavity 4 has been improved.
Preferably, a cylindrical first measuring part is arranged above the cone 22, and one end of the first measuring part is connected with the upper end surface of the cone 22.
A second measuring part is provided above the tapered recess 322, which is fitted with the first measuring part.
The first measuring part and the second measuring part are matched to estimate the clamping degree of the dismounting tool and the cavity.
According to the embodiment, the clamping degree of the dismounting tool and the cavity 4 is estimated through the cooperation of the first measuring part and the second measuring part, so that the clamping degree of the first clamping protrusion 41 and the second clamping protrusion 321 can be better grasped, and the phenomenon that the expansion block 32 moves towards the cavity 4 excessively to damage a casting mould product is avoided.
Referring to fig. 1 and 5, further, in this embodiment, the control module includes: a lead screw 21, a cone 22, and a square nut 23. The spindle 21 is arranged on the cavity axis i. The square nut 23 is provided at one end of the expansion block 32 close to the engagement with the cavity 4, and is slidably connected to the screw 21. The cone 22 is fixed to the screw 21 and is located at the end of the expansion block 32 remote from the engagement with the cavity 4.
When the screw rod 21 rotates during clamping, the square nut 23 drives the expansion block 32 to press the cone 22, and the expansion block 32 expands outwards under the action of the conical surface to be tensioned with the first clamping protrusion 41.
When the screw rod 21 rotates to separate, the tightening ring 33 drives the expansion block 32 to press against the cone 22, and the expansion block 32 contracts inwards under the action of the conical surface to separate from the first engaging protrusion 41.
Further, in this embodiment, the expansion block 32 is provided with a clearance groove 323 near one end engaged with the cavity 4, and the square nut 23 is disposed in the clearance groove 323. The square nut 23 is arranged in the clearance groove 323, so that the space occupied by the disassembling tool is reduced, and the layout of the disassembling tool is more reasonable and compact.
Referring to fig. 1, further, in the present embodiment, an annular groove is provided in the middle of the expansion block 32, and the tightening ring 33 is fixedly disposed in the annular groove. The tightening ring 33 is fixed through the annular groove, so that the position of the tightening ring 33 is more stable, the tightening degree of the tightening ring 33 can be better controlled, and the accuracy of predicting the clamping of the first clamping protrusion 41 and the second clamping protrusion 321 is improved.
Further, in this embodiment, get and put the module and include the handle, the handle sets up perpendicularly in the lead screw keep away from the one end with die cavity block. The screw rod 21 can be rotated by using less force through rotating the handle, so that the expansion block 32 is clamped or separated with the cavity, the labor intensity of workers is reduced, and the die disassembling efficiency is improved.
The second embodiment of the die cavity die changing and disassembling tool based on the special-shaped expansion block provided by the application is as follows:
in this embodiment, only the difference from the first embodiment is that the first inner side surface 411 is provided with a first stabilizing protrusion at the end and the second outer side surface 321a is provided with a second stabilizing protrusion at the end, so that the first engaging protrusion 41 and the second engaging protrusion 321 are easily engaged with each other.
The working principle of the application is described as follows:
firstly, placing a disassembling tool at the opening of the cavity 4, so that the second clamping protrusion 321 corresponds to the first clamping protrusion 41 at the opening of the cavity 4; then, the handle is rotated, the handle drives the screw rod 21 to rotate, the square nut 23 arranged at the lower end of the screw rod 21 moves upwards under the action of the screw rod 21, the square nut 23 drives the expansion block 32 to press the cone 22, the expansion block 32 expands outwards under the action of the cone 22, and accordingly the second clamping protrusion 321 is tensioned with the first clamping protrusion 41, and the first top end surface 412 of the first clamping protrusion 41 is in contact clamping with the second outer side surface 321a of the second clamping protrusion 321.
When the disassembly tool is taken out of the cavity, a worker rotates the handle in the opposite direction, drives the screw rod 21 to rotate by using the handle, so that the tightening ring 33 drives the expansion block 32 to press the cone 22, and under the action of the cone 22, the expansion block 32 is contracted inwards, so that the second clamping protrusion 321 is separated from the first clamping protrusion 41, and the worker directly takes out the disassembly tool.
Since the first top end surface 412 and the second outer side surface 321a are engaged by surface-to-surface contact, the friction area during the engagement is increased, so that the critical friction force of the first engaging protrusion 41 and the second engaging protrusion 321 is increased, and the engagement of the first engaging protrusion 41 and the second engaging protrusion 321 is more stable; meanwhile, due to the surface-to-surface contact engagement, when the same force is applied, the pressure applied to the first inner side surface 411 and the second outer side surface 321a is reduced, that is, the pressure applied to the first inner side surface 411 and the second outer side surface 321a is reduced, so that a larger force can be applied, and the force-bearing capacity of the first engaging protrusion 41 and the second engaging protrusion 321 is improved. Because the first inner side surface 411 is inclined towards the second engaging protrusion 321, the second outer side surface 321a is inclined towards the first engaging protrusion 41, the contact area between the two friction surfaces is further increased, the stability of the engagement between the first engaging protrusion 41 and the second engaging protrusion 321 is improved, the capability of bearing the acting force of the first engaging protrusion 41 and the second engaging protrusion 321 is further improved, the first inner side surface 411 is inclined towards the second engaging protrusion 321, and the second outer side surface 321a is inclined towards the first engaging protrusion 41, so that the pressure of the second engaging protrusion 321 to the first engaging protrusion 41 can be decomposed into a horizontal component force and a vertical component force, and a worker can use smaller force to lift the cavity 4.
In the process of clamping the screw rod in rotation, the screw rod 21 controls the cone 22 to be matched with the conical groove 322 through the square nut 23, the cone 22 and the conical groove 322 are always contacted in the process of clamping the screw rod due to the matching between conical surfaces, and pressure is always applied between the two contact surfaces due to the arrangement of the tightening ring, so that the movement between the two contact surfaces is stable and controllable, the stability of the disassembling tool is improved, and the product in the mold is prevented from being damaged by the disassembling tool in the disassembling process.
Due to the arrangement of the first measuring part and the second measuring part, in the process of clamping the expansion block 32 and the cavity 4, the exposed part of the first measuring part outside can be observed to estimate the clamping degree of the clamping expansion block 32 and the cavity 4, so that the disassembling tool is not easy to damage a product in the process of clamping the disassembling tool and the cavity 4. Moreover, due to the arrangement of the limiting protrusion 41a, when the expansion block 32 moves to the direction of the cavity 4, the limiting protrusion 41a can further block the movement of the expansion block 32; because the strength and toughness of the limiting protrusion 41a are poor, when the expansion block 32 is stressed too much, after the limiting protrusion 41a is damaged and moves towards the cavity direction, the blocking platform 41b also plays a limiting role on the expansion block 32, so that the product is further ensured not to be damaged by the dismounting tool.
In summary, although the present application has been described in terms of the preferred embodiments, the above-mentioned embodiments are not intended to limit the application, and those skilled in the art can make various modifications and alterations without departing from the spirit and scope of the application, so that the scope of the application is defined by the appended claims.
Claims (9)
1. A die cavity retooling extracting tool based on abnormal shape expansion piece for take out die cavity in the mould, characterized in that includes: the device comprises a picking and placing module, a control module and a clamping module;
the clamping module is used for clamping with the cavity;
the control module is matched with the clamping module and used for controlling the clamping module to be clamped or separated with the cavity;
the picking and placing module is connected with the control module and used for taking out the cavity or placing the cavity into the die through the control module;
wherein a first clamping protrusion is arranged at the opening of the cavity; the clamping module comprises an expansion module, and a second clamping protrusion which is clamped with the first clamping protrusion is arranged at one end, close to the cavity, of the expansion module, wherein the inner side surface of the first clamping protrusion is in contact clamping with the outer side surface of the second clamping protrusion; the control module comprises a cone; one end, far away from the clamping end of the cavity, of the expansion block is provided with a conical groove; the cone is positioned at one end of the expansion block far away from the clamping of the cavity, and is matched with the conical groove to control the clamping or the separation of the expansion block and the cavity; the outer side of the expansion block is provided with a tightening ring, and the tightening ring is used for driving the expansion block to press towards the cone.
2. The cavity-changing tool according to claim 1, wherein the first engaging projection includes:
the first inner side surface is approximately parallel to the axis of the cavity and is a side surface of the first clamping protrusion, which is close to the axis of the cavity, and is used for being clamped with the second clamping protrusion;
a first top surface, generally perpendicular to the cavity axis, for limiting the expansion block;
the first outer side surface is approximately parallel to the axis of the cavity and is a side surface of the first clamping protrusion, which is far away from the axis of the cavity, and is used for clamping and fixing when the cavity is machined;
the second engaging protrusion includes:
the second outer side surface is approximately parallel to the axis of the cavity and is a side surface of the second clamping protrusion away from the axis of the cavity and is used for being pressed with the first inner side surface to form clamping;
a second top surface substantially perpendicular to the cavity axis;
the second inner side surface is approximately parallel to the axis of the cavity and is a side surface of the second clamping protrusion, which is close to the axis of the cavity.
3. The cavity mold changing disassembly tool based on the special-shaped expansion block according to claim 2, wherein the first inner side surface is inclined towards the second clamping protrusion direction, and the second outer side surface is inclined towards the first clamping protrusion direction, so that the clamping of the first clamping protrusion and the second clamping protrusion is stable.
4. The cavity mold changing and disassembling tool based on the special-shaped expansion block according to claim 2, wherein a first stabilizing protrusion is arranged at the tail end of the first inner side surface, and a second stabilizing protrusion is arranged at the tail end of the second outer side surface, so that the first clamping protrusion and the second clamping protrusion can be clamped stably.
5. The cavity mold changing and disassembling tool based on the special-shaped expansion block according to claim 2, wherein the first top end surface is provided with a limiting protrusion, and the limiting protrusion is arranged on one side far away from the axis of the cavity and used for limiting the disassembling tool.
6. The cavity mold changing and disassembling tool based on the special-shaped expansion block according to claim 2, wherein the first inner side surface is connected with the inner wall of the cavity through a blocking platform and used for limiting the expansion block.
7. The die cavity die changing and disassembling tool based on the special-shaped expansion block according to claim 2, wherein a cylindrical first measuring part is arranged above the cone, and one end of the first measuring part is connected with the upper end face of the cone;
a second measuring part matched with the first measuring part is arranged above the conical groove;
the first measuring part and the second measuring part are matched to estimate the clamping degree of the disassembling tool and the cavity.
8. The cavity-changing tool according to claim 2, wherein the control module comprises: the screw rod, the cone and the square nut;
the screw rod is arranged on the central axis of the clamping module;
the square nut is arranged at one end, close to the clamping end of the cavity, of the expansion block and is in sliding connection with the lead screw;
the cone is fixed on the screw rod and is positioned at one end of the expansion block, which is far away from the end clamped with the cavity;
when the screw rod is clamped, the square nut drives the expansion block to press the cone, and the expansion block expands outwards under the action of the conical surface and is tensioned with the first clamping protrusion;
when the screw rod is separated, the screw rod rotates, the tightening ring drives the expansion block to press the cone, and under the action of the conical surface, the expansion block is contracted inwards and separated from the first clamping protrusion.
9. The cavity mold changing and disassembling tool based on the special-shaped expansion block, according to claim 8, wherein a clearance groove is formed in one end, close to the end, of the expansion block, clamped with the cavity, and the square nut is arranged in the clearance groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316031.4A CN114043646B (en) | 2019-12-24 | 2019-12-24 | Die cavity die changing and disassembling tool based on special-shaped expansion block |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350263.4A CN111152388B (en) | 2019-12-24 | 2019-12-24 | Hot forming die cavity die change extracting tool |
| CN202111316031.4A CN114043646B (en) | 2019-12-24 | 2019-12-24 | Die cavity die changing and disassembling tool based on special-shaped expansion block |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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| JP2002192574A (en) * | 2000-12-25 | 2002-07-10 | Mitsubishi Materials Corp | Stamper holder attaching and detaching fixture |
| CN206241950U (en) * | 2016-10-31 | 2017-06-13 | 淄博中材金晶玻纤有限公司 | Blind hole end bearing extractor |
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| JPH10217145A (en) * | 1997-02-03 | 1998-08-18 | Mitsubishi Materials Corp | Cylindrical component drawout jig |
| DE102010049394B4 (en) * | 2010-10-26 | 2018-07-12 | Hasco Hasenclever Gmbh + Co Kg | Disassembly device for an injection nozzle |
| CN204135996U (en) * | 2014-08-21 | 2015-02-04 | 潍柴动力股份有限公司 | A kind of bush removing device |
| JP2016179519A (en) * | 2015-03-23 | 2016-10-13 | 佐藤工業株式会社 | Knock pin removal jig |
| CN105729381A (en) * | 2016-04-06 | 2016-07-06 | 烽火通信科技股份有限公司 | Disassembling and pressing device for regulation-free mold |
| CN105729386A (en) * | 2016-04-20 | 2016-07-06 | 刘强 | Multifunctional clamping and dismounting device |
| CN205765944U (en) * | 2016-05-27 | 2016-12-07 | 临海市威特机械有限公司 | One tears bearing instrument open |
| CN206475115U (en) * | 2016-11-17 | 2017-09-08 | 浙江万马股份有限公司 | The simple specific purpose tool of new dismounting cable plastic-extruding mould |
| CN206765166U (en) * | 2017-05-15 | 2017-12-19 | 深圳市捷讯实业发展有限公司 | A kind of mold parts Quick disassembling tool |
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| CN109015508A (en) * | 2018-06-26 | 2018-12-18 | 广安市聚友绝缘材料有限公司 | A kind of cable jacket production extracting tool of mold core |
| CN110328640B (en) * | 2019-08-13 | 2024-01-23 | 大连康丰科技有限公司 | Method and tool for replacing continuous cladding mold of cable aluminum sheath |
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| JP2002192574A (en) * | 2000-12-25 | 2002-07-10 | Mitsubishi Materials Corp | Stamper holder attaching and detaching fixture |
| CN206241950U (en) * | 2016-10-31 | 2017-06-13 | 淄博中材金晶玻纤有限公司 | Blind hole end bearing extractor |
Also Published As
| Publication number | Publication date |
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| CN111152388A (en) | 2020-05-15 |
| CN114043647B (en) | 2023-11-07 |
| CN114043646A (en) | 2022-02-15 |
| CN114043647A (en) | 2022-02-15 |
| CN111152388B (en) | 2021-12-17 |
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