CN116237897A - Die disassembly and assembly rack - Google Patents

Abstract

The invention discloses a die disassembly and assembly rack which is used for axially drawing and separating an inner die and an outer die of a die, and comprises an assembly positioning mechanism, a clamping mechanism and a driving mechanism, wherein the assembly positioning mechanism is used for axially inserting the die to be disassembled and axially propping and limiting the outer die, the clamping mechanism is used for radially clamping the inner die, the driving mechanism is used for driving the clamping mechanism to axially move relative to the assembly positioning mechanism so as to realize the drawing and separation of the inner die, the assembly positioning mechanism and the driving mechanism are arranged at intervals, an axial guide rail is arranged between the assembly positioning mechanism and the driving mechanism, the clamping mechanism can be slidably arranged on the axial guide rail, and the assembly positioning mechanism, the clamping mechanism and the driving mechanism are coaxially arranged. The disassembly and assembly process of the die is simplified, and the die is not easy to damage, so that the service life of the die is prolonged. The die disassembly and assembly rack is not only suitable for disassembly and assembly between a machine head and a die opening of an extruder, but also suitable for other working conditions which are axially sleeved and are difficult to separate due to adhesion.

Description

Die disassembly and assembly rack

Technical Field

The invention relates to the technical field of die disassembly of inner and outer dies of an extruder head, in particular to a die disassembly and assembly rack for die disassembly of the inner and outer dies of the extruder head.

Background

Sealing strips are widely applied to automobiles, doors and windows, machines, equipment and the like, and sealing strips made of different materials have different characteristics. The sealing strips are mostly extruded by adopting a continuous extruder in the production process, and the extrusion process of the sealing strips is developed from a double-triple-rubber coextrusion process of hard rubber (soft rubber), sponge rubber and metal frameworks to a four-rubber or more complex coextrusion process so as to coextrude rubbers of different types, different materials and different colors. The prior art also realizes on-line electrostatic flocking, single-sided or double-sided flocking and the like, and polyurethane, silicone oil or other coatings can be sprayed on line.

A continuous extruder, such as a modularized extrusion device disclosed in Chinese patent No. 216443024U, mainly comprises a transmission device, a feeding device, a charging barrel, a screw, a machine head, a mouth die and the like. The die part of the machine head is often required to be overhauled, particularly when the continuous extruder is stopped for maintenance, the machine head and the die are required to be disassembled for maintenance and the materials between the machine head and the die are cleaned, for example, a die of the machine head disclosed in Chinese patent No. 206568526U is an outlet position for extruding the materials, the materials are filled in the space between the machine head and the die, the materials remained between the machine head and the die often have stronger adhesion, and the die is difficult to be separated from the inner cavity of the machine head during the disassembly maintenance of the machine head and the die. The existing machine head and the mouth mold are detached, the machine head is supported mainly by means of mold clamping, and then the mouth mold is knocked to be separated, but the demolding mode easily causes the loss of the machine head and the mouth mold, and then the machine head and the mouth mold need to be replaced, so that the cost is increased.

Disclosure of Invention

The invention provides a die disassembly and assembly rack, which aims to solve the technical problem that a machine head and a die are difficult to disassemble when an existing continuous extruder is stopped for maintenance.

The invention provides a die disassembly and assembly rack which is used for axially drawing and separating an inner die and an outer die of a die, and comprises an assembly positioning mechanism, a clamping mechanism and a driving mechanism, wherein the assembly positioning mechanism is used for axially inserting the die to be disassembled and axially propping and limiting the outer die, the clamping mechanism is used for radially clamping the inner die, the driving mechanism is used for driving the clamping mechanism to axially move relative to the assembly positioning mechanism so as to realize the drawing and separation of the inner die, the assembly positioning mechanism and the driving mechanism are arranged at intervals, an axial guide rail is arranged between the assembly positioning mechanism and the driving mechanism, the clamping mechanism is slidably arranged on the axial guide rail, and the assembly positioning mechanism, the clamping mechanism and the driving mechanism are coaxially arranged.

Further, fixture includes casing, clamping jaw, track dish and centre gripping drive arrangement, and track dish rotationally lays in the casing, and a plurality of clamping jaws are arranged outside the casing along fixture's circumference equidistant interval, and the radial axis direction towards fixture of clamping mechanism of clamping jaw is laid along the clamping end of clamping jaw, and the driving end of clamping jaw slides and lays in the spout that corresponds in the casing and on the track dish in the spout that corresponds, through the synchronous radial removal along fixture of each clamping jaw of centre gripping drive arrangement in order to realize centre gripping or release to the centre gripping of centre gripping.

Further, the clamping driving device comprises a driving shaft and a driving handle, the driving shaft is arranged along the radial direction of the clamping mechanism, a first conical tooth is arranged at the first end of the driving shaft, a second conical tooth is arranged on the track disc, the driving shaft is meshed with the track disc through the first conical tooth and the second conical tooth to realize driving connection, and the second end of the driving shaft extends out of the shell and is fixedly connected with the driving handle.

Further, the clamping mechanism adopts a pneumatic clamping jaw, a hydraulic clamping jaw or an electric clamping jaw.

Further, a buffer wear-resistant layer for protecting the inner die during clamping is arranged on a clamping surface, which is used for being in contact with the inner die, of the clamping mechanism.

Further, the assembly positioning mechanism comprises a positioning base body, a positioning assembly hole for splicing and assembling the die to be disassembled from one end far away from the clamping mechanism to the direction of the clamping mechanism is formed in the positioning base body, and the positioning assembly hole is matched with the small-end outer cylindrical surface of the outer die so that the large-end surface of the outer die abuts against the end surface of the positioning base body.

Further, the assembly positioning mechanism further comprises positioning support feet which are arranged below the positioning base body and used for supporting the positioning base body to a preset height.

Further, the positioning support feet are assembled on the positioning base body through the studs, and the supporting height of the positioning base body is adjusted through rotating the positioning support feet.

Further, the axial guide rail comprises a plurality of mutually parallel linear slide rails, two ends of each linear slide rail are respectively fixed on the assembly positioning mechanism and the driving mechanism, the linear slide rails are parallel to the central axis of the clamping mechanism, and the clamping mechanism is arranged on the linear slide rails in a sliding penetrating manner.

Further, the driving mechanism comprises an assembly seat fixedly connected with the linear slide rail and a push-pull air cylinder fixedly assembled on the assembly seat, the power output end of the push-pull air cylinder penetrates through the assembly seat and is fixedly connected to the clamping mechanism, and the push-pull air cylinder and the clamping mechanism are coaxially arranged.

The invention has the following beneficial effects:

according to the die disassembly and assembly rack, the assembly positioning mechanism, the axial guide rail and the driving mechanism are sequentially connected along the axial direction, the clamping mechanism is slidably arranged on the axial guide rail, and the assembly positioning mechanism, the clamping mechanism and the driving mechanism are coaxially arranged; coaxially assembling a die to be disassembled on an assembly positioning mechanism, splicing and assembling the die to be disassembled from the outer end face of the assembly positioning mechanism towards the direction of a clamping mechanism, propping the end face of the large end of an outer die against the assembly positioning mechanism to form a torus propping contact so as to axially limit the outer die, driving the clamping mechanism to axially move towards the direction of the die clamped on the assembly positioning mechanism and clamp an inner die through a driving mechanism, driving the clamping mechanism to axially move towards the direction away from the assembly positioning mechanism through the driving mechanism, and further driving the inner die to axially separate from the outer die; because the internal mold is assembled in the external mold in an axial inserting way, when the internal mold is detached from the external mold, if the internal mold or the external mold is subjected to eccentric or deflection acting force, the position of the internal mold 1 which is in inserting fit with the external mold 2 is easily damaged, and the detachment and separation process of the whole internal mold and the external mold of the mold disassembly rack is only subjected to the action of axial acting force, and the external mold adopts the annular surface propping contact to form the axial support of the external mold, so that the eccentric acting force or deflection acting force is not easy to generate, the external mold and the internal mold are not easy to damage, especially the region between the external mold and the internal mold is not easy to damage, and the cleaned internal mold and external mold can be assembled in the subsequent mold only by directly inserting the internal mold in the corresponding position in the external mold in an axial way, so that the disassembly process of the mold is simplified, the damage to the mold is not easy to be caused, and the service life of the mold is prolonged. The die disassembly and assembly rack is not only suitable for disassembly and assembly between a machine head and a die opening of an extruder, but also suitable for other working conditions which are axially sleeved and are difficult to separate due to adhesion.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic view showing the structure of a mold disassembly and assembly stand according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the clamping mechanism of the preferred embodiment of the present invention;

fig. 3 is a schematic structural view of a mold according to a preferred embodiment of the present invention.

Legend description:

1. an inner mold; 2. an outer mold; 100. assembling a positioning mechanism; 101. positioning a substrate; 102. positioning supporting feet; 200. a clamping mechanism; 201. a housing; 202. a clamping jaw; 203. a track disc; 204. a clamping driving device; 2041. a drive shaft; 2042. a drive handle; 300. a driving mechanism; 301. an assembly seat; 302. a push-pull cylinder; 400. an axial guide rail; 401. a linear slide rail.

Detailed Description

Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be practiced in a number of different ways, as defined and covered below.

FIG. 1 is a schematic view showing the structure of a mold disassembly and assembly stand according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the clamping mechanism of the preferred embodiment of the present invention; fig. 3 is a schematic structural view of a mold according to a preferred embodiment of the present invention.

As shown in fig. 1 and 3, the die disassembly and assembly rack of the present embodiment is used for axially drawing and separating an inner die 1 and an outer die 2 of a machine head of a continuous extruder, and comprises an assembly positioning mechanism 100 for axially inserting a die to be disassembled and axially propping and limiting the outer die 2, a clamping mechanism 200 for radially clamping the inner die 1, and a driving mechanism 300 for driving the clamping mechanism 200 to axially move relative to the assembly positioning mechanism 100 so as to realize the drawing and separation of the inner die 1, wherein the assembly positioning mechanism 100 and the driving mechanism 300 are arranged at intervals, an axial guide rail 400 is arranged between the assembly positioning mechanism 100 and the driving mechanism 300, the clamping mechanism 200 is slidably arranged on the axial guide rail 400, and the assembly positioning mechanism 100, the clamping mechanism 200 and the driving mechanism 300 are coaxially arranged. The die disassembly and assembly rack is characterized in that an assembly positioning mechanism 100, an axial guide rail 400 and a driving mechanism 300 are sequentially connected along the axial direction, a clamping mechanism 200 is slidably arranged on the axial guide rail 400, and the assembly positioning mechanism 100, the clamping mechanism 200 and the driving mechanism 300 are coaxially arranged; coaxially assembling a die to be disassembled onto the assembly positioning mechanism 100, splicing and assembling the die to be disassembled from the outer end face of the assembly positioning mechanism 100 towards the direction of the clamping mechanism 200, propping the large end face of the outer die 2 against the assembly positioning mechanism 100 to form a torus propping contact, axially limiting the outer die 2, driving the clamping mechanism 200 to axially move towards the direction of the die clamped on the assembly positioning mechanism 100 by the driving mechanism 300 and clamping the inner die 1, and driving the clamping mechanism 200 to axially move towards the direction away from the assembly positioning mechanism 100 by the driving mechanism 300, so as to further force the inner die 1 to axially separate from the outer die 2; because the internal mold 1 is assembled in the external mold 2 in an axial inserting way, when the internal mold 1 is detached from the external mold 2, if the internal mold or the external mold is subjected to eccentric or deflection acting force, the joint of the internal mold 1 and the external mold 2 is easily damaged, and the detachment and separation process of the whole internal mold 1 and the external mold 2 of the mold disassembly rack is only subjected to the axial acting force, and the external mold 2 is propped against and contacted by a ring surface to form an axial support for the external mold 2, so that the eccentric acting force or deflection acting force is not easily generated, the external mold 2 and the internal mold 1 are not easily damaged, particularly, the region between the external mold 2 and the internal mold 1 is not easily damaged, and the cleaned internal mold 1 and external mold 2 can be assembled by the subsequent mold only by directly and axially inserting the internal mold 1 in the corresponding position in the external mold 2, so that the disassembly process of the mold is simplified, the damage to the mold is not easily caused, and the service life of the mold is prolonged. The die disassembly and assembly rack is not only suitable for disassembly and assembly between a machine head and a die opening of an extruder, but also suitable for other working conditions which are axially sleeved and are difficult to separate due to adhesion. Optionally, the mold disassembly and assembly rack further comprises a heating device, wherein the heating device is arranged on the assembly positioning mechanism 100 and is used for heating the mold in the assembly positioning mechanism 100 so as to avoid the problem that the inner mold 1 is difficult to separate from the outer mold 2 due to solidification of materials in the mold; in addition, the outer die 2 is expanded and fixed in the assembly positioning mechanism 100 to a certain extent and is separated from the inner die 1, so that the difficulty of the inner die 1 in being separated from the outer die 2 is reduced. Optionally, the outer die 2 is a machine head of a continuous extruder, and the inner die 1 is a forming die in the machine head; the forming die is assembled into the machine head and used for extruding the strip-shaped product with the preset cross-sectional shape.

As shown in fig. 1 and 2, in this embodiment, the clamping mechanism 200 includes a housing 201, clamping jaws 202, a track disc 203 and a clamping driving device 204, the track disc 203 is rotatably disposed in the housing 201, the clamping jaws 202 are disposed outside the housing 201 at equal intervals along a circumferential direction of the clamping mechanism 200, clamping ends of the clamping jaws 202 are disposed along a radial direction of the clamping mechanism 200 toward a central axis direction of the clamping mechanism 200, driving ends of the clamping jaws 202 are slidably disposed in corresponding sliding grooves in the housing 201 and corresponding sliding grooves on the track disc 203, and each clamping jaw 202 is driven to synchronously move along the radial direction of the clamping mechanism 200 by the clamping driving device 204 so as to clamp or release the inner mold 1. Corresponding runners in the housing 201 are arranged in a radial direction of the housing 201 to enable the clamping jaw 202 to slide in a radial direction relative to the housing 201; while the corresponding sliding grooves on the track disc 203 are arranged in a spiral shape, when the clamping driving device 204 drives the track disc 203 to rotate, the clamping jaw 202 is forced to slide in the spiral sliding grooves and simultaneously slide in the radial sliding grooves of the shell 201, so that the clamping jaw 202 moves along the radial direction of the clamping mechanism 200, and the clamping and releasing of the internal mold 1 are realized. Optionally, the clamping jaw 202, the sliding groove of the shell 201 and the sliding groove of the track disc 203 are arranged in a one-to-one correspondence manner in groups to form a clamping unit. Optionally, the clamping units are at least three groups to ensure stable clamping of the inner mold 1 from at least three directions, avoid loose clamping, and form a compliance to the outer surface of the inner mold 1. Optionally, the gripping surface of the gripping jaw 202 matches the shape of the outer surface of the inner mould 1. Optionally, a wear-resistant buffer layer is attached to the clamping surface of the clamping jaw 202 for protecting the inner mold 1. Optionally, the clamping jaw 202 is in at least one of point contact, line contact and surface contact with the outer surface of the inner die 1, and is selected according to requirements, in particular, an extrusion forming channel avoiding the outer surface of the inner die 1, so as to ensure that the extrusion forming channel is not damaged by demolding.

As shown in fig. 1 and 2, in this embodiment, the clamping driving device 204 includes a driving shaft 2041 and a driving handle 2042, the driving shaft 2041 is arranged along the radial direction of the clamping mechanism 200, a first conical tooth is disposed at a first end of the driving shaft 2041, a second conical tooth is disposed on the track disc 203, the driving shaft 2041 and the track disc 203 are engaged with each other through the first conical tooth to realize driving connection and driving force steering, and a second end of the driving shaft 2041 extends out of the housing 201 and is fixedly connected with the driving handle 2042. The drive shaft 2041 and the track disc 203 are engaged with each other through the first conical teeth and the second conical teeth to change the direction of the drive force, and when the drive handle 2042 drives the drive shaft 2041 to rotate, the track disc 203 is driven to rotate through the engagement of the first conical teeth and the second conical teeth.

In this embodiment, the clamping mechanism 200 is a pneumatic clamping jaw, a hydraulic clamping jaw, or an electric clamping jaw. It is also possible to use a known and commonly used pneumatic, hydraulic or electric clamping jaw to clamp or release the inner mold 1.

In this embodiment, a buffer wear-resistant layer for protecting the inner mold 1 during clamping is disposed on a clamping surface of the clamping mechanism 200 for contacting the inner mold 1. The buffer wear-resistant layer adopts a high-strength rubber layer, a high-strength plastic layer and the like, so that the friction force between the buffer wear-resistant layer and the outer circular surface of the inner die 1 can be improved, enough radial clamping force can be applied to the inner die 1, and damage to the outer circular surface of the inner die 1 due to overlarge radial clamping can be avoided.

As shown in fig. 1, in this embodiment, the assembly positioning mechanism 100 includes a positioning base 101, and a positioning assembly hole for inserting and assembling a mold to be disassembled from one end far away from the clamping mechanism 200 to the direction of the clamping mechanism 200 is formed on the positioning base 101, and the positioning assembly hole is matched with the small-end outer cylindrical surface of the outer mold 2, so that the large-end surface of the outer mold 2 abuts against the end surface of the positioning base 101. The small end of the outer die 2 of the die is inserted and assembled in the positioning assembly hole from one end of the positioning assembly hole far away from the clamping mechanism 200, and the large end face of the outer die 2 is propped against the end face of the positioning substrate 101 outside the positioning assembly hole, so that the positioning assembly of the die to be disassembled is realized, and the clamping mechanism 200 axially pulls the inner die 1. Alternatively, the positioning assembly hole is opened on the central axis of the positioning base 101, so that the positioning assembly hole is coaxial with the positioning base 101. Alternatively, the aperture of the positioning assembly hole may be matched with the outer diameter of the small end of the outer mold 2, or may be larger than the outer diameter of the small end of the outer mold 2 and smaller than the outer diameter of the large end of the outer mold 2. Alternatively, the positioning base 101 may be a regular polygon, a cylinder, a truncated cone, a truncated pyramid, or the like.

As shown in fig. 1, in the present embodiment, the assembly positioning mechanism 100 further includes positioning feet 102 disposed below the positioning base 101 for supporting the positioning base 101 to a predetermined height. The assembly positioning mechanism 100 and the driving mechanism 300 are ensured to be stably positioned on a horizontal reference surface, and the overall stability of the whole die disassembly and assembly rack is ensured.

As shown in fig. 1, in the present embodiment, the positioning leg 102 is assembled on the positioning base 101 by a stud, and the supporting height of the positioning base 101 is adjusted by rotating the positioning leg 102. The height of the positioning base body 101 can be adjusted through the rotary positioning support feet 102 according to the condition of the horizontal reference surface, so that the whole die disassembly and assembly rack can be stably placed on the horizontal reference surface, and the overall stability of the whole die disassembly and assembly rack is ensured.

As shown in fig. 1, in the present embodiment, the axial guide rail 400 includes a plurality of parallel linear slide rails 401, two ends of the linear slide rails 401 are respectively fixed on the assembly positioning mechanism 100 and the driving mechanism 300, the linear slide rails 401 are parallel to the central axis of the clamping mechanism 200, and the clamping mechanism 200 is slidably disposed on the linear slide rails 401. The clamping mechanism 200 is ensured to be coaxial with the assembly positioning mechanism 100 and the driving mechanism 300 when sliding on the linear sliding rail 401, and is coaxial with the die to be disassembled, so that the inner die 1 is conveniently and axially forced, and the inner die 1 is further pulled out of the outer die 2.

As shown in fig. 1, in this embodiment, the driving mechanism 300 includes a mounting base 301 fixedly connected to a linear slide rail 401, and a push-pull cylinder 302 fixedly mounted on the mounting base 301, wherein a power output end of the push-pull cylinder 302 passes through the mounting base 301 and is fixedly connected to the clamping mechanism 200, and the push-pull cylinder 302 is coaxially arranged with the clamping mechanism 200. The driving mechanism 300 forms a bottom support by utilizing the assembly seat 301 and is fixedly connected to one end of the axial guide rail 400, and the push-pull air cylinder 302 is fixedly arranged on the assembly seat 301 and keeps the power output end coaxial with the assembly positioning mechanism 100, the clamping mechanism 200 and the die to be disassembled so as to facilitate axial force application to the inner die 1 and further enable the inner die 1 to be separated from the outer die 2. Alternatively, the push-pull cylinder 302 may be replaced with a reciprocating linear hydraulic cylinder, a reciprocating linear motor, a reciprocating linear pneumatic cylinder, or the like.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A die disassembly and assembly rack which is used for axially drawing and separating an inner die (1) and an outer die (2) of a die and is characterized in that,

comprises an assembly positioning mechanism (100) for axially inserting a die to be split and axially propping and limiting an outer die (2), a clamping mechanism (200) for radially clamping an inner die (1) and a driving mechanism (300) for driving the clamping mechanism (200) to axially move relative to the assembly positioning mechanism (100) so as to realize the drawing and separating of the inner die (1),

the assembly positioning mechanism (100) and the driving mechanism (300) are arranged at intervals, an axial guide rail (400) is arranged between the assembly positioning mechanism (100) and the driving mechanism (300), the clamping mechanism (200) is slidably arranged on the axial guide rail (400),

the assembly positioning mechanism (100), the clamping mechanism (200) and the driving mechanism (300) are coaxially arranged.

2. The mold disassembly and assembly stand according to claim 1, wherein,

the clamping mechanism (200) comprises a shell (201), clamping jaws (202), a track disc (203) and a clamping driving device (204),

the track disc (203) is rotatably arranged in the shell (201), the clamping jaws (202) are arranged outside the shell (201) at equal intervals along the circumferential direction of the clamping mechanism (200),

the clamping ends of the clamping jaws (202) are distributed along the radial direction of the clamping mechanism (200) towards the central axis direction of the clamping mechanism (200), the transmission ends of the clamping jaws (202) are slidingly distributed in corresponding sliding grooves in the shell (201) and corresponding sliding grooves on the track disc (203),

-driving each clamping jaw (202) by means of the clamping driving means (204) synchronously along the radial movement of the clamping mechanism (200) for clamping or releasing the inner mould (1).

3. The mold disassembly and assembly stand according to claim 2, wherein,

the clamping drive (204) comprises a drive shaft (2041) and a drive handle (2042),

the driving shaft (2041) is arranged along the radial direction of the clamping mechanism (200), a first conical tooth is arranged at the first end of the driving shaft (2041), a second conical tooth is arranged on the track disc (203), the driving shaft (2041) is meshed with the second conical tooth through the first conical tooth to realize driving connection, and the second end of the driving shaft (2041) extends out of the shell (201) and is fixedly connected with the driving handle (2042).

4. The mold disassembly and assembly stand according to claim 1, wherein,

the clamping mechanism (200) adopts a pneumatic clamping jaw, a hydraulic clamping jaw or an electric clamping jaw.

5. The mold disassembly and assembly stand according to claim 1, wherein,

and a buffer wear-resistant layer for protecting the inner die (1) during clamping is arranged on a clamping surface, which is used for being in contact with the inner die (1), of the clamping mechanism (200).

6. The mold disassembly and assembly jig according to any one of claims 1 to 5, wherein,

the assembly positioning mechanism (100) comprises a positioning base body (101),

a positioning assembly hole for splicing and assembling the die to be disassembled from one end far away from the clamping mechanism (200) to the direction of the clamping mechanism (200) is formed on the positioning base body (101),

the positioning assembly hole is matched with the small-end outer cylindrical surface of the outer die (2), so that the large-end surface of the outer die (2) is propped against the end surface of the positioning base body (101).

7. The mold disassembly and assembly stand according to claim 6, wherein,

the assembly positioning mechanism (100) further comprises positioning support feet (102) which are arranged below the positioning base body (101) and used for supporting the positioning base body (101) to a preset height.

8. The mold disassembly and assembly stand according to claim 7, wherein,

the positioning support feet (102) are assembled on the positioning base body (101) through studs, and the supporting height of the positioning base body (101) is adjusted by rotating the positioning support feet (102).

9. The mold disassembly and assembly jig according to any one of claims 1 to 5, wherein,

the axial guide rail (400) comprises a plurality of mutually parallel linear slide rails (401),

two ends of the linear slide rail (401) are respectively fixed on the assembly positioning mechanism (100) and the driving mechanism (300),

the linear slide rail (401) is parallel to the central axis of the clamping mechanism (200),

the clamping mechanism (200) is arranged on the linear sliding rail (401) in a sliding way.

10. The mold disassembly and assembly stand according to claim 9, wherein,

the driving mechanism (300) comprises an assembling seat (301) fixedly connected with the linear slide rail (401) and a push-pull air cylinder (302) fixedly assembled on the assembling seat (301),

the power output end of the push-pull air cylinder (302) passes through the assembly seat (301) and is fixedly connected to the clamping mechanism (200),

the push-pull cylinder (302) and the clamping mechanism (200) are coaxially arranged.

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