CN114311433A - Pneumatic demoulding assembly and packaging box body forming device - Google Patents
Pneumatic demoulding assembly and packaging box body forming device Download PDFInfo
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- CN114311433A CN114311433A CN202111675521.3A CN202111675521A CN114311433A CN 114311433 A CN114311433 A CN 114311433A CN 202111675521 A CN202111675521 A CN 202111675521A CN 114311433 A CN114311433 A CN 114311433A
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 42
- 238000007664 blowing Methods 0.000 claims abstract description 50
- 238000012856 packing Methods 0.000 claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 26
- 239000003921 oil Substances 0.000 description 15
- 238000003825 pressing Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000011152 fibreglass Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 240000000528 Ricinus communis Species 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention discloses a pneumatic demoulding assembly and a packaging box body forming device, belongs to the technical field of mould forming, and solves the problems that in the prior art, the ejection of a packaging box body is labor-consuming and time-consuming, and multiple persons are required to be synchronously matched. The pneumatic demoulding assembly comprises an air source, a lifting unit, a blowing unit and an ejector rod; a closed space is formed between the box body of the packing box and the main body of the mould; the air blowing unit is connected with the lifting unit in parallel, the air source is connected with the closed space through the air blowing unit, the air source is connected with the ejector rod through the lifting unit, and the ejector rod is connected with the packing box body and applies ejection force to the packing box body. The pneumatic demoulding assembly and the packaging box body forming device can be used for forming the packaging box body.
Description
Technical Field
The invention belongs to the technical field of mold forming, and particularly relates to a pneumatic demolding assembly and a packaging box body forming device.
Background
In the prior art, the structure of a common packaging box body forming die is as follows: the metal frame is combined with the mould body made of glass fiber reinforced plastic material and supports the mould body; the demolding mechanism is an ejection screw fixed below the frame, and ejection and demolding of the box body are realized by manually rotating the screw.
However, the above-mentioned mold ejection method is an operation method of manually screwing the screw, which is laborious and time-consuming in ejection, and requires synchronous cooperation of a plurality of persons.
Disclosure of Invention
In view of the above analysis, the present invention provides a packaging box forming device, which solves the problems of the prior art that the ejection of the packaging box is laborious and time-consuming, and a plurality of people are required to cooperate synchronously.
The purpose of the invention is mainly realized by the following technical scheme:
the invention provides a pneumatic demoulding assembly which is used for separating a packaging box body from a mould main body and comprises an air source, a lifting unit, a blowing unit and an ejector rod; a closed space is formed between the box body of the packing box and the main body of the mould; the air blowing unit is connected with the lifting unit in parallel, the air source is connected with the closed space through the air blowing unit, the air source is connected with the ejector rod through the lifting unit, and the ejector rod is connected with the packing box body and applies ejection force to the packing box body.
Further, the opening time of the blowing unit is not later than that of the lifting unit.
Furthermore, the air source comprises an air supply part, a pressure regulating filter and an air source multi-way joint which are sequentially connected, and the air outlet end of the air source multi-way joint is respectively connected with the air blowing unit and the lifting unit.
Further, the air supply piece is an air bottle.
Furthermore, the air blowing unit comprises an air blowing manual control valve, a pressure regulating valve and an air blowing multi-way connector, the air source, the air blowing manual control valve, the pressure regulating valve and the air blowing multi-way connector are sequentially connected, and an air outlet end of the air blowing multi-way connector is inserted into a closed space between the packing box body and the mould body.
Furthermore, a hole site is arranged on the die main body, and the air blowing multi-way joint penetrates through the hole site of the die main body and extends into the closed space.
Furthermore, the lifting device also comprises a connecting sleeve and two single-rod-shaped ball head and rod end joint bearings connected through the connecting sleeve, wherein one single-rod-shaped ball head and rod end joint bearing is connected with the ejector rod, and the other single-rod-shaped ball head and rod end joint bearing is connected with an output shaft of the lifting unit.
Furthermore, the ejection mechanism also comprises a guide sleeve sleeved on the outer wall of the ejection rod, and the guide sleeve guides the ejection movement of the ejection rod.
Furthermore, the material of uide bushing is copper.
The invention also provides a packaging box body forming device which comprises a die main body and the pneumatic demoulding assembly.
Compared with the prior art, the invention can realize at least one of the following beneficial effects:
the pneumatic demoulding assembly provided by the invention can be used for automatically separating the packaging box body from the mould main body, on one hand, after the packaging box body is solidified in the mould main body, demoulding is difficult due to tight adhesion, and the air blowing unit is used for filling high-pressure air into the closed space between the mould main body and the packaging box body, so that the mould main body and the packaging box body are separated in a micro-scale manner, and the demoulding difficulty is reduced. On the other hand, the lifting unit can apply ejection force to the packaging box body, so that the packaging box body is thoroughly separated from the die main body, and automatic demolding is realized.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
FIG. 1 is a schematic diagram of a pneumatic stripper assembly according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a connection relationship between a connection sleeve, a single-rod-shaped ball-end joint bearing and a guide sleeve in the pneumatic demolding assembly according to an embodiment of the present invention;
FIG. 3 is a simplified diagram of a lift unit in a pneumatic stripper assembly according to one embodiment of the present invention;
FIG. 4 is a schematic diagram of a pneumatic cylinder of a pneumatic stripper assembly according to an embodiment of the present invention;
FIG. 5 is a simplified diagram of a gas supply in a pneumatic stripper assembly according to one embodiment of the present invention;
FIG. 6 is a simplified diagram of a blowing unit in the pneumatic stripper assembly according to one embodiment of the present invention;
fig. 7 is a schematic structural diagram of a packaging box body forming device provided by a second embodiment of the present invention;
fig. 8 is a front view of a packaging box body forming device provided by the second embodiment of the invention;
fig. 9 is a schematic structural diagram of a mold main body in a packaging box body forming device according to a second embodiment of the present invention;
fig. 10 is a front view of a mold body in the packaging box body forming device according to the second embodiment of the present invention;
fig. 11 is a schematic structural diagram of a sealing element in a packaging box body forming device according to a second embodiment of the present invention;
fig. 12 is a schematic structural view of a constant temperature heating cover in the packaging box body forming device according to the second embodiment of the present invention;
fig. 13 is a schematic structural view of a mechanical vibration table in the packaging box body forming device according to the second embodiment of the present invention;
fig. 14 is a schematic structural view of a turning table in the packaging box body forming device provided by the second embodiment of the present invention.
Reference numerals:
1-a mechanical vibration table; 101-a vibrating table; 102-light weight spring, 103-heavy weight spring;
2-turning over the platform; 201-mounting a projection; 202-a clamping protrusion;
3-a mould body; 301-a body; 302-a frame; 303-load bearing castors; 304-end face press plate; 305-a mounting plate; 306-a crane;
4-a pneumatic stripping assembly; 401-pressure regulating filter; 402-gas source multi-way joint; 403-blowing manual control valve; 404-pressure regulating valve; 405-a gas-blowing multi-way joint; 406-a multi-stage cylinder; 407-oil cylinder; 408-lifting the multi-way joint; 409-first-stage cylinder action manual valve; 410-secondary cylinder action manual valve; 411-a connecting sleeve; 412-single bar ball head rod end knuckle bearing; 413-a guide sleeve; 414-knock out pin;
5-constant temperature heating cover; 501-a hot air blower; 502-a cover frame; 503-hot air pipes; 504-insulating layer; 505-a cover caster;
6-a movable plate;
7-a seal; 701-sealing a shaft sleeve; 702-a sealing ring; 703-a retaining ring.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention.
Example one
The embodiment provides a pneumatic demoulding assembly, refer to fig. 1 to 6, which is used for separating a packaging box body from a mould main body 3, and comprises an air source, a lifting unit, a blowing unit and an ejector rod 414, wherein a closed space is formed between the packaging box body and the mould main body 3, the blowing unit is connected with the lifting unit in parallel, the air source is connected with the closed space through the blowing unit, the air source is connected with the ejector rod 414 through the lifting unit, the ejector rod 414 is connected with the packaging box body and applies ejection force to the packaging box body, and it should be noted that the opening time of the blowing unit is not later than (earlier than or equal to) the opening time of the lifting unit. The gas source is used for providing gas and filtering and shunting the gas; the blowing unit is used for conveying high-pressure gas conveyed by the gas source to a closed space between the packaging box body and the mold main body 3, so that the separation of the packaging box body and the mold main body 3 is promoted.
Compared with the prior art, the pneumatic demoulding subassembly that this embodiment provided can be used for the autosegregation between packing box and the mould main part 3, on the one hand, after the packing box solidifies in mould main part 3, because the adhesion is inseparable, leads to the drawing of patterns comparatively difficult, and the effect of the unit of blowing is for filling into high-pressure gas in the airtight space between mould main part 3 and the packing box, makes both micro-separation, reduces the drawing of patterns degree of difficulty. On the other hand, the lifting unit can apply ejection force to the packaging box body, so that the packaging box body is thoroughly separated from the die main body 3, and automatic demolding is realized.
In order to provide sufficient ejection force and ensure the structural strength of the ejection rod 414, the structure of the ejection rod 414 particularly comprises a transverse rod and a vertical rod connected with the transverse rod, the transverse rod is in contact with the box body of the packing box, and one end of the vertical rod, which is far away from the transverse rod, is connected with the output end of the lifting unit.
Wherein, the air supply is including the confession gas spare (for example, the gas cylinder) that connects gradually, pressure regulating filter 401 and the many through connections of air supply 402, and the inlet end and the pressure regulating filter 401 of the many through connections of air supply 402 are connected, give vent to anger the end respectively with blow the unit and lift the unit connection to can realize the filtration and the reposition of redundant personnel to gaseous.
The air blowing unit comprises an air blowing manual control valve 403, a pressure regulating valve 404 and an air blowing multi-way connector 405, the air source, the air blowing manual control valve 403, the pressure regulating valve 404 and the air blowing multi-way connector 405 are sequentially connected, an air inlet end of the air blowing manual control valve 403 is connected with an air outlet end of the air source multi-way connector 402 of the air source, the air outlet end of the air blowing multi-way connector 405 is inserted into a closed space between the packing box body and the mold main body 3, the air blowing unit and the air source are controlled to be connected and disconnected through the air blowing manual control valve 403, it can be understood that a hole position is formed in the mold main body 3, and the air blowing multi-way connector 405 penetrates through the hole position of the mold main body 3 and extends to the closed space.
The lifting unit comprises a multi-stage cylinder 406, an oil cylinder 407 and a lifting multi-way joint 408, wherein a first-stage cylinder body in the multi-stage cylinder 406 is connected with an oil inlet and outlet end of the oil cylinder 407, and an air inlet and outlet end of the oil cylinder 407 and air inlet ends of other stage cylinder bodies are connected with an air source through the lifting multi-way joint 408. Illustratively, the multi-stage cylinder 406 includes a two-stage cylinder body, wherein an oil inlet and an oil outlet are formed in the first-stage cylinder body, the oil inlet and the oil outlet are connected to the oil cylinder 407, an air inlet and an air outlet are formed in the second-stage cylinder body, the air inlet is connected to the multi-way connector 408 through an air control valve, in the implementation, high-pressure air of the air blowing unit enters the oil cylinder 407, hydraulic oil in the oil cylinder 407 enters the first-stage cylinder body under the pushing of the high-pressure air, the ejection of the first-stage cylinder body is achieved, the ejector rod 414 extends out by a distance to eject the box body of the packing box, and the ejection stage of the first-stage cylinder body is at a slow and steady speed and has a small ejection stroke. Then, the high-pressure gas of the blowing unit enters the secondary cylinder body to realize the ejection of the secondary cylinder body, so that the ejector rod 414 further extends out by a distance, the stage is a pure cylinder working principle, the ejector rod 414 is ejected at a higher speed, and the ejection stroke is large. When the air is retracted, air enters the secondary cylinder body through the air outlet, high-pressure air is discharged out of the secondary cylinder body from the air control valve through the air inlet, and at the moment, the secondary cylinder body is reset; the hydraulic oil flows back to the oil cylinder 407 through the oil inlet/outlet port, and the primary cylinder body returns.
It will be appreciated that in order to facilitate the operator's control of the extension and retraction of the primary and secondary cylinders, the lifting unit further comprises a primary cylinder actuation manual valve 409 provided on the connection line of the cylinder 407 and the high pressure air blowing unit, and a secondary cylinder actuation manual valve 410 provided on the connection line of the secondary cylinder and the air supply. The on-off of the oil cylinder 407 and the air source is controlled by the first-stage cylinder action manual valve 409, and the on-off of the second-stage cylinder body and the air source is controlled by the second-stage cylinder action manual valve 410.
In order to effectively arrange the valve body and facilitate the operation of an operator, the pneumatic demoulding assembly further comprises a control console, and the blowing manual control valve 403, the primary cylinder action manual control valve 409 and the secondary cylinder action manual control valve 410 are respectively arranged on the control console.
Due to installation errors or machining precision errors, in practical application, different axis errors and/or angle errors can be generated between the output shaft of the air cylinder and the ejector rod 414, the pneumatic demoulding assembly further comprises a connecting sleeve 411 and two single-rod-shaped ball-head-rod-end joint bearings 412 connected through the connecting sleeve 411, one single-rod-shaped ball-head-rod-end joint bearing 412 is connected with the ejector rod 414, and the other single-rod-shaped ball-head-rod-end joint bearing 412 is connected with the output shaft of the air cylinder. Like this, through the single-rod-shaped ball head rod end joint bearing 412 and the adapter sleeve 411 of mutually supporting, on the one hand, can realize the rotation of certain angle to can compensate the disalignment error and/or the angle error that produce between the output shaft of cylinder and ejector rod 414, on the other hand, can also realize the transmission of the ejecting power from the output shaft of cylinder to ejector rod 414, guarantee ejecting smooth and easy.
It should be noted that, due to the arrangement of the single-rod ball-end joint bearing 412 and the connecting sleeve 411, the shake of the ejector rod 414 is inevitably caused, and therefore, the pneumatic demoulding assembly further comprises the guide sleeve 413 sleeved on the outer wall of the ejector rod 414, and the ejector motion of the ejector rod 414 can be properly limited by the guide sleeve 413, so that the shake of the ejector rod 414 can be reduced, and the accurate transmission of the ejection force is ensured. For example, the material of the guide sleeve 413 may be copper. It should be noted that the fit clearance between the ejector rod 414 and the guide sleeve 413 is implemented according to the relevant standard.
Example two
The embodiment provides a packing box forming device, and the length of this packing box is 7 ~ 15m, refers to fig. 7 to 14, includes mould main part 3 and pneumatic drawing of patterns subassembly 4.
Compared with the prior art, the beneficial effect of the packing box body forming device provided by the embodiment is basically the same as that of the pneumatic demoulding assembly provided by the embodiment one, and redundant description is omitted here.
In addition, be equipped with pneumatic drawing of patterns subassembly 4 among the above-mentioned packing box forming device, the output of lifting unit stretches out and then drives ejector rod 414 and stretches out, exerts the ejecting power to the bottom of packing box, adopts the pneumatic principle to realize automatic quick drawing of patterns, owing to adopt pneumatic drawing of patterns, realizes the adjustable speed in each stage of drawing of patterns through control air feed pressure to can effectively improve the shaping efficiency and the quality of packing box, be applicable to the production of big batch packing box.
Considering that the cross-sectional area of the cross-bar of the ejector rod 414 is small, and the contact with the box body directly may leave an impression on the box body, which affects the quality of the box body, the above-mentioned forming apparatus for the box body further includes a movable plate 6, the cross-bar is in contact with the box body through the movable plate 6, and the area of the movable plate 6 is larger than the area of the cross-bar of the ejector rod 414. Like this, can increase the area of contact of the output of knock-out lever 414 and packing box through fly leaf 6 to can reduce or avoid knock-out lever 414 to leave the indentation on the packing box, improve the quality of packing box.
Considering that the packing box body is located in the mold main body 3, in order to enable the connection of the ejector rod 414 with the packing box body, illustratively, the inner wall of the mold main body 3 is provided with a groove for accommodating the movable plate 6 and the cross rod, the movable plate 6 and the cross rod are located in the groove, the bottom of the groove is provided with an ejector hole, and the vertical rod passes through the ejector hole and is connected with the pneumatic demoulding assembly 4.
In order to avoid that the raw materials of the box body of the packing box are extruded from the cavity of the die main body 3 to influence the extension and contraction of the ejection rod 414, the inner wall of the ejection hole is provided with a sealing element 7, and the outer wall of the vertical rod is hermetically connected with the inner wall of the ejection hole through the sealing element 7. In this way, the vertical rod and the ejection hole are hermetically connected through the sealing element 7, so that sealing between the vertical rod and the die body 3 can be ensured.
Specifically, the sealing element 7 includes a sealing sleeve 701 and a sealing ring 702 (e.g., a high temperature resistant ZHM dustproof combination sealing ring 702) and/or a retaining ring 703 provided on an inner wall of the sealing sleeve 701, the retaining ring 703 is located at one end of the vertical rod close to the cross rod, and accordingly, the inner wall of the sealing sleeve 701 is provided with a sealing groove for accommodating the sealing ring 702 and the retaining ring 703, wherein the retaining ring 703 can prevent raw materials of the container body from entering a matching gap between the sealing sleeve 701 and the vertical rod. Illustratively, the number of the sealing rings 702 is two, the two sealing rings 702 are installed in opposite directions according to the use specification thereof to perform a bidirectional sealing function, and the fit clearance between the sealing shaft sleeve 701 and the retainer ring 703 is implemented according to the relevant standard. In practice, when the ejector rod 414 is in the retracted position, there is a gap between the lower surface of the cross bar and the retainer ring 703, and there is a gap between the upper surface of the cross bar and the movable plate 6. It should be noted that the sealing mode of the conventional mold is axial sealing, and the sealing is realized by compacting the lower surface of the retracted ejector rod 414 with the mold main body 3, and arranging a sealing ring 702 on the pressing surface or adding a sealant. Compared with the conventional axial seal, the sealing principle of the embodiment adopts the form of a piston sealing groove of a radial seal, and the advantages are as follows: when the ejector rod 414 retracts, the error of the axial ejection height can be ignored, and as long as a relatively large height is reserved in the gap between the lower surface of the cross bar of the ejector rod 414 and the retainer ring 703 and the gap between the upper surface of the cross bar of the ejector rod 414 and the movable plate 6, the problem that a large acting force exists between the cross bar of the ejector rod 414 and the mold main body 3 due to the inconsistent height of the ejector rod 414 caused by manufacturing errors and installation errors and the problem that the axial seal is easy to fail can be ignored.
It should be noted that, the package box body is cured inside the mold main body 3 to realize the molding of the package box body, and as for the structure of the mold main body 3, the structure of "glass fiber reinforced plastic mold combined with metal frame 302" is adopted, including the body 301 and the frame 302 for supporting the body 301, the body 301 is fixed on the frame 302, wherein, the body 301 is made of glass fiber reinforced plastic, the manufacturing method thereof meets the manufacturing method of general glass fiber reinforced plastic mold, and the frame 302 is made of metal.
In order to facilitate the movement of the mold body 3, the bottom of the frame 302 is provided with a load caster 303, and the entire mold body 3 can be moved on the floor surface by the load caster 303.
In order to ensure the flatness and the forming precision of the end face of the box body of the packing box, the mold body 3 further includes an end face pressing plate 304 fixedly connected to the body 301, the end face pressing plate 304 is located at an edge area of the end face of the box body of the packing box, and the end face pressing plate 304 is an independent flat plate part, which may be made of metal or nonmetal, and is connected to the end face of the body 301 through, but not limited to, a threaded fastener. In the forming stage of the box body of the packing box, the deformation of the edge of the box body of the packing box can be effectively limited through the arrangement of the end surface pressing plate 304, and the flatness and the forming precision of the end surface of the box body of the packing box are ensured.
The end surface pressing plate 304 includes an upper end surface pressing plate 304 provided on the upper end surface of the body 301, and a side end surface pressing plate 304 provided on the side end surface of the body 301. In addition, since the area of the upper end surface of the main body 301 is generally larger than the area of the side end surface, the upper end surface pressing plate 304 may be a large end surface pressing plate 304, and the side end surface pressing plate 304 may be a small end surface pressing plate 304.
In order to mount the pneumatic demoulding assembly 4, the mould main body 3 further comprises a mounting plate 305 for mounting the pneumatic demoulding assembly 4 (for example, an actuating part such as a cylinder of the pneumatic demoulding assembly 4), the mounting plate 305 is fixedly connected with the frame 302, and it can be understood that the mounting plate 305 is provided with a corresponding mounting hole.
In order to be able to take the box body out of the body 301, the mould body 3 further comprises a crane 306 for lifting the box body, the crane 306 being fixedly connected to the frame 302. It should be noted that, during hoisting, the hoisting machine 306 is in an unfolded state, and after hoisting is completed, the hoisting machine 306 can be folded to avoid affecting the use of the body 301.
To the structure of constant temperature heating cover 5, specifically, including the cover body and with the hot-air blower 501 of the inner space intercommunication of the cover body, the inside of the cover body is the enclosure, and mould main part 3 is located the enclosure, carries out constant temperature control to the enclosure of inside through hot-air blower 501 to can improve solidification efficiency and quality.
In order to realize the recycling of gas, the cover body is provided with a hot air inlet and a cold air outlet, the hot air inlet is connected with the hot air blower 501 through a hot air pipe 503, the cold air outlet is connected with the hot air blower 501 through a cold air pipe, hot air heated by the hot air blower 501 is blown into the cover body through the hot air pipe 503, and cold air is recycled to the hot air blower 501 through the cold air pipe to form air heat convection circulation.
In order to monitor the temperature in the cover body in real time, a plurality of temperature sensors are arranged in the cover body and are arranged at different positions in the cover body for detecting the real-time temperature in the cover body. When the temperature inside the cover body reaches the set temperature, the hot air blower 501 is reduced or stops running, and the effect of constant temperature is achieved.
In order to move the constant temperature heating cover 5 conveniently, the bottom of the cover body is provided with a cover body caster 505, and the whole cover body can move on the ground through the cover body caster 505.
In order to guarantee the overall structural strength of the constant-temperature heating cover 5, the cover body comprises a cover body frame 502 and a heat insulation layer 504 covering the cover body frame 502, the cover body frame 502 comprises two transverse rods, a plurality of vertical rods and a plurality of inclined rods, the plurality of vertical rods are positioned between the two transverse rods and are perpendicularly connected with the transverse rods, the two transverse rods and the two adjacent vertical rods form a rectangle, and the inclined rods are respectively connected with the transverse rods and the vertical rods and are arranged along the diagonal line of the rectangle.
Considering that after the packing box body is formed, the mould body 3 needs to be polished to remove residual packing box body materials, in the polishing process, more powder is inevitably generated, in order to clear away the residual powder in the mould body 3, the forming mould of the ultra-large packing box body further comprises a mechanical vibration table 1, and after the packing box body is formed, the mould body 3 is placed on the mechanical vibration table 1 to be subjected to powder cleaning treatment.
As for the structure of the mechanical vibration table 1, specifically, it includes a vibration table 101, a driver (e.g., a motor) that drives the vibration table 101 to vibrate in a horizontal direction and/or a vertical direction, and a plurality of supporting springs provided between the vibration table 101 and a mounting surface.
In order to improve the applicability of the mechanical shaking table 1 and enable the mechanical shaking table to carry out vibration powder cleaning on the die main bodies 3 with various specifications and weights, the supporting springs comprise light-weight springs 102 and heavy-weight springs 103, and the heights of the light-weight springs 102 are larger than the heights of the heavy-weight springs 103 by taking the mounting surfaces as references. The light weight and the weight are relative amounts, that is, the load of the light weight spring 102 is smaller than the load of the heavy weight spring 103, and when the mold body 3 of the same weight is loaded, the elastic deformation of the light weight spring 102 is larger than the elastic deformation of the heavy weight spring 103. In implementation, for the mold body 3 with light weight, when the mechanical vibration table 1 vibrates and cleans the mold body 3, the light-weight spring 102 mainly supports the mold body 3; for the mold main body 3 with heavier mass, when the mechanical vibration table 1 vibrates and cleans the powder of the mold main body 3, the light-weight springs 102 and the heavy-weight springs 103 mainly support the mold main body 3 together, so that the mold main body 3 with various specifications and weights can be vibrated and cleaned, and the applicability of the mechanical vibration table 1 is improved. Wherein, heavyweight spring 103 has multiple functions, and on the one hand, it can effectively support heavyweight spring 103, and on the other hand, it can also avoid light-weight spring 102 to take place too big deformation.
In practical application, considering the situation that demolding is difficult, the packaging box body and the mold main body 3 may need to be turned over under the situation, and demolding of the packaging box body is promoted, therefore, the forming mold of the ultra-large packaging box body further comprises a turning table 2, and after the packaging box body is formed, the packaging box body and the mold main body 3 are placed on the turning table 2 for turning and demolding.
To the structure of roll-over table 2, particularly, it includes the roll-over table face, locates the installed part of the upper surface of roll-over table face, locates the trip shaft and the drive trip shaft pivoted upset motor of 2 at least one sides of roll-over table, and the installed part is connected with the holder of reserving on the mould main part 3 to can install packing box body and mould main part 3 on the roll-over table face. During implementation, be connected installed part and holder for packing box and mould main part 3 are installed on the upset mesa, open the upset motor, and upset motor drive trip shaft rotates and then overturns packing box and mould main part 3, promotes the drawing of patterns of packing box.
In order to further improve the demolding effect, the mounting member and the clamping member are structured such that the mounting member is provided with a mounting hole, and the clamping member is inserted into the mounting hole, wherein the mounting protrusions 201 and the mounting grooves are alternately arranged on the side wall of the mounting hole, so that the side wall of the mounting hole is in a zigzag shape (for example, a rectangular zigzag shape), correspondingly, the clamping protrusions 202 and the clamping grooves are alternately arranged on the side wall of the clamping member, so that the side wall of the clamping member is in a zigzag shape (for example, a rectangular zigzag shape), the mounting protrusions 201 are inserted into the clamping grooves, and the clamping protrusions 202 are inserted into the mounting grooves; the height of the mounting protrusion 201 is equal to the depth of the clamping groove, the width of the mounting protrusion 201 is smaller than the width of the clamping groove, the height of the clamping protrusion 202 is equal to the depth of the mounting groove, and the width of the clamping protrusion 202 is smaller than the width of the mounting groove. Therefore, after the clamping piece and the mounting piece are mounted, on one hand, the mounting protrusion 201 and the mounting groove can limit the position in the direction parallel to the upper surface of the turnover table board, so that the clamping piece and the mounting piece are prevented from shaking; on the other hand, because the width of the protruding 201 of installation is less than the width of centre gripping recess, there is the space between the protruding 201 of installation and centre gripping recess, when the upset mesa is in initial condition, the protruding 201 of installation is located the wherein one end of centre gripping recess, when the upset mesa takes place to overturn, because the effect of gravity, the protruding 201 of installation can suddenly move to the other end of centre gripping recess, can vibrate packing box body and mould main part 3 at this in-process, can further improve the drawing of patterns effect of upset platform 2.
It should be noted that the interaction between the holding protrusion 202 and the mounting groove is substantially the same as the interaction between the mounting protrusion 201 and the holding groove, and therefore, the detailed description thereof is omitted here.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A pneumatic demoulding assembly is used for separating a packaging box body from a mould main body and comprises an air source, a lifting unit, a blowing unit and an ejector rod;
a closed space is formed between the box body of the packing box and the die main body;
the air blowing unit is connected with the lifting unit in parallel, the air source is connected with the closed space through the air blowing unit, the air source is connected with the ejector rod through the lifting unit, and the ejector rod is connected with the packing box body and applies ejection force to the packing box body.
2. The pneumatic stripper assembly of claim 1, wherein the on time of the gas-blowing unit is no later than the on time of the lifting unit.
3. The pneumatic demoulding assembly as claimed in claim 1, wherein the air source comprises an air supply member, a pressure regulating filter and an air source multi-way joint which are connected in sequence, and the air outlet end of the air source multi-way joint is respectively connected with the air blowing unit and the lifting unit.
4. The pneumatic stripper assembly of claim 3, wherein the gas supply member is a gas cylinder.
5. The pneumatic demolding assembly of claim 1, wherein the blowing unit comprises a blowing manual control valve, a pressure regulating valve and a blowing multi-way connector, the gas source, the blowing manual control valve, the pressure regulating valve and the blowing multi-way connector are sequentially connected, and a gas outlet end of the blowing multi-way connector is inserted into a closed space between the packaging box body and the mold body.
6. The pneumatic stripper assembly of claim 5, wherein the mold body defines an aperture, and the blow manifold extends through the aperture of the mold body and into the enclosed space.
7. The pneumatic stripper assembly of claim 1, further comprising a connecting sleeve and two single-rod ball-head-rod-end knuckle bearings connected by the connecting sleeve, wherein one single-rod ball-head-rod-end knuckle bearing is connected with the ejector rod and the other single-rod ball-head-rod-end knuckle bearing is connected with the output end of the lifting unit.
8. The pneumatic stripper assembly of claim 7, further comprising a guide sleeve disposed about an outer wall of the ejector rod, the guide sleeve guiding the ejection movement of the ejector rod.
9. The pneumatic stripper assembly of claim 8, wherein the guide sleeve is copper.
10. A packaging box body forming apparatus, comprising a mold body and a pneumatic ejector assembly as claimed in claims 1 to 9.
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| JP2005306006A (en) * | 2004-03-26 | 2005-11-04 | Matsushita Electric Works Ltd | Cast molding equipment and cast molding method |
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