CN114311439B - Constant-temperature heating cover and forming device for forming packaging box body - Google Patents
Constant-temperature heating cover and forming device for forming packaging box body Download PDFInfo
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- CN114311439B CN114311439B CN202111675514.3A CN202111675514A CN114311439B CN 114311439 B CN114311439 B CN 114311439B CN 202111675514 A CN202111675514 A CN 202111675514A CN 114311439 B CN114311439 B CN 114311439B
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 238000012856 packing Methods 0.000 claims abstract description 48
- 238000000465 moulding Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 4
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- 210000001503 joint Anatomy 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 33
- 238000007664 blowing Methods 0.000 description 23
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- 238000010586 diagram Methods 0.000 description 9
- 238000003825 pressing Methods 0.000 description 7
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Abstract
The invention discloses a constant-temperature heating cover and a forming device for forming a packaging box body, belongs to the technical field of packaging box body forming, and solves the problem that the forming quality and efficiency of the packaging box body in the prior art are greatly influenced by environmental temperature. The constant temperature heating cover comprises a cover body and a hot air blower communicated with the inner space of the cover body, wherein the inner part of the cover body is a closed space, and a packing box body and a die main body of a forming device for forming the packing box body are positioned in the closed space. The forming device comprises a die main body, an ejector rod, a pneumatic demolding assembly and the constant-temperature heating cover, wherein the output end of the pneumatic demolding assembly is abutted with the bottom of a packing box body in the die main body through the ejector rod, and the packing box body is separated from the die main body through the extension of the ejector rod. The constant temperature heating cover and the forming device can be used for forming the box body of the packing box.
Description
Technical Field
The invention belongs to the technical field of packing box body forming, and particularly relates to a constant-temperature heating cover and a forming device for packing box body forming.
Background
The ultra-large type packing box body is used for long-term storage and long-distance transportation of products, and has the performance requirements of air tightness, sufficient rigidity, rain resistance, salt fog resistance, mould resistance, damp heat resistance and the like, and the length orders of magnitude of the upper and lower box bodies are 10 meters, and the width and height orders of magnitude are 1 meter.
In the prior art, the packing box body forming device is directly contacted with the outside, and the temperature difference between the surface of the forming device and the inside of a cavity is large due to the low outside temperature, so that the problem that the forming quality and efficiency of the packing box body are greatly influenced by the environmental temperature is solved.
Disclosure of Invention
In view of the above analysis, the present invention aims to provide a constant temperature heating cover and a forming device for forming a packaging box body, which solve the problem that the forming quality and efficiency of the packaging box body in the prior art are greatly affected by the environmental temperature.
The aim of the invention is mainly realized by the following technical scheme:
the invention provides a constant-temperature heating cover for forming a packaging box body, which comprises a cover body and a hot air blower communicated with the inner space of the cover body, wherein the inner part of the cover body is a closed space, and the packaging box body and a die main body of a forming device for forming the packaging box body are positioned in the closed space.
Further, a hot air inlet and a cold air outlet are formed in the cover body, the hot air inlet is connected with the hot air blower through a hot air pipe, and the cold air outlet is connected with the hot air blower through a cold air pipe.
Further, a plurality of temperature sensors for monitoring the temperature in the cover body are arranged in the cover body.
Further, a plurality of temperature sensors are disposed at the bottom, top and side surfaces of the cover.
Further, the bottom of the cover body is provided with cover body casters.
Further, the cover body comprises a cover body frame and a heat preservation layer covering the cover body frame.
Further, the cover body frame comprises two transverse rods and a plurality of vertical rods, and the plurality of vertical rods are positioned between the two transverse rods and are vertically connected with the transverse rods.
Further, the cover body frame further comprises a plurality of inclined rods, two transverse rods and 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 diagonal lines of the rectangle.
The invention also provides a forming device for forming the packaging box body, which comprises a die main body, an ejector rod, a pneumatic demolding assembly and the constant-temperature heating cover, wherein the output end of the pneumatic demolding assembly is abutted with the bottom of the packaging box body in the die main body through the ejector rod, and the packaging box body is separated from the die main body through the extension of the ejector rod.
Further, the length of the packing box body is 7-15 m.
Compared with the prior art, the invention has at least one of the following beneficial effects:
according to the constant-temperature heating cover for forming the packaging box body, hot air is supplied into the cover body through the hot air blower, and the closed space inside the cover body is subjected to constant-temperature control, so that the temperature difference between a forming device and the outside can be reduced, and the curing efficiency and quality of the packaging box body are improved.
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 may 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, like reference numerals being used to refer to like parts throughout the several views.
Fig. 1 is a schematic structural diagram of a constant temperature heating cover for forming a packaging box according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a molding device according to a second embodiment of the present invention;
fig. 3 is a front view of a molding device according to a second embodiment of the present invention;
FIG. 4 is a schematic view of a mold body in a molding apparatus according to a second embodiment of the present invention;
FIG. 5 is a front view of a mold body in a molding apparatus according to a second embodiment of the present invention;
fig. 6 is a schematic connection diagram of a lifting unit and an ejector rod in a forming device according to a second embodiment of the present invention;
FIG. 7 is a schematic diagram showing the connection of a connecting sleeve, a single-rod-shaped ball-end rod end joint bearing and a guide sleeve in a forming device according to a second embodiment of the present invention;
fig. 8 is a schematic structural diagram of a sealing member in a molding device according to a second embodiment of the present invention;
FIG. 9 is a simplified diagram of a lifting unit in a molding apparatus according to a second embodiment of the present invention;
fig. 10 is a schematic structural diagram of a cylinder in a forming device according to a second embodiment of the present invention;
FIG. 11 is a simplified diagram of an air source in a molding apparatus according to a second embodiment of the present invention;
FIG. 12 is a simplified diagram of a blowing unit in a molding apparatus according to a second embodiment of the present invention;
FIG. 13 is a schematic view of a mechanical vibration table in a molding apparatus according to a second embodiment of the present invention;
fig. 14 is a schematic structural view of an overturning table in a forming device according to a second embodiment of the present invention.
Reference numerals:
1-a mechanical vibration table; 101-vibrating a table top; 102-a lightweight spring, 103-a heavy spring;
2-a turnover table; 201-mounting a bump; 202-clamping protrusions;
3-a mold body; 301-body; 302-a frame; 303-bearing casters; 304-end face pressing plate; 305-mounting plate; 306-a crane;
4-pneumatic demolding assembly; 401-a pressure regulating filter; 402-air source multi-way joint; 403-air blowing manual valve; 404-a pressure regulating valve; 405-blowing multi-way joint; 406-a multistage cylinder; 407-an oil cylinder; 408-lifting the multi-way joint; 409-first stage cylinder actuation manual valve; 410-a secondary cylinder actuated manual valve; 411-connecting sleeve; 412-a single-stem ball-end rod-end joint bearing; 413—a guide sleeve;
5-a constant temperature heating cover; 501-an air heater; 502-cover frame; 503-a hot air pipe; 504-an insulating layer; 505-cover casters;
6-an ejector rod; 601-a cross bar; 602-a vertical rod;
7-a seal; 701-sealing the sleeve; 702-a sealing ring; 703-a retainer ring;
8-a movable plate.
Detailed Description
Preferred embodiments of the present invention are described in detail below with reference to the attached drawing figures, which form a part of the present invention and are used in conjunction with the embodiments of the present invention to illustrate the principles of the present invention.
Example 1
A constant temperature heating cover for packing box body molding, see fig. 1, comprises a cover body and a hot air blower communicated with the inner space of the cover body, wherein the inner part of the cover body is a closed space, and the packing box body and a die main body of a molding device for packing box body molding are positioned in the closed space.
Compared with the prior art, the constant temperature heating cover for the packing box body molding provided by the embodiment supplies hot air into the cover body through the hot air machine, and constant temperature control is performed on the closed space inside the cover body, so that the temperature difference between the molding device and the outside can be reduced, and the curing efficiency and quality of the packing box body are improved.
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, so that air heat convection circulation is formed.
In order to monitor the temperature in the cover body in real time, the cover body is internally provided with a plurality of temperature sensors, and the temperature sensors are arranged at different positions in the cover body and are used for detecting the real-time temperature in the cover body. When the temperature inside the cover body reaches the set temperature, the air heater 501 is reduced or stopped to realize the effect of constant temperature. Illustratively, a plurality of temperature sensors are positioned on the bottom, top and sides of the enclosure to enable comprehensive monitoring of the temperature within the enclosure.
In order to facilitate the movement of the constant temperature heating mantle, the bottom of the mantle is provided with mantle casters 505, by means of which mantle casters 505 the mantle as a whole can be moved over the ground.
In order to ensure the overall structural strength of the constant-temperature heating cover, the cover body comprises a cover body frame 502 and a heat insulation layer 504 covering the cover body frame 502, wherein 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 vertically 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 of the rectangle.
Example two
The embodiment provides a forming device, the length of the packing box body is 7-15 m, see fig. 2-14, and the forming device comprises a die main body 3, an ejector rod 6, a pneumatic demolding assembly 4 and a constant-temperature heating cover 5, wherein the output end of the pneumatic demolding assembly 4 is abutted with the bottom of the packing box body in the die main body 3 through the ejector rod 6, and the packing box body is separated from the die main body 3 through the extension of the ejector rod 6.
Compared with the prior art, the forming device provided by the embodiment is provided with the ejector rod 6 and the pneumatic demoulding assembly 4, the output end of the pneumatic demoulding assembly 4 stretches out to drive the ejector rod 6 to stretch out, ejection force is applied to the bottom of the packaging box body, automatic and rapid demoulding is realized by adopting a pneumatic principle, and the speed of each demoulding stage is adjustable by controlling air supply pressure due to pneumatic demoulding, so that the forming efficiency and quality of the packaging box body can be effectively improved, and the forming device is suitable for the production of a large number of packaging box bodies.
In order to provide sufficient ejection force and ensure the structural strength of the ejector rod 6, the structure of the ejector rod 6 specifically comprises a cross rod 601 and a vertical rod 602 connected with the cross rod 601, wherein the cross rod 601 is in contact with the box body of the packaging box, and one end of the vertical rod 602 away from the cross rod 601 is connected with the output end of the pneumatic demoulding assembly 4.
Considering that the cross-sectional area of the cross bar 601 of the ejector rod 6 is smaller, the contact with the packing box body directly may leave an indentation on the packing box body to affect the quality of the packing box body, therefore, the forming device further comprises a movable plate 8, the cross bar 601 contacts with the packing box body through the movable plate 8, and the area of the movable plate 8 is larger than that of the cross bar 601 of the ejector rod 6. Like this, can increase the area of contact of the output of ejector rod 6 and the packing box through fly leaf 8 to can reduce or avoid ejector rod 6 to leave the indentation on the packing box, improve the quality of packing box.
Considering that the packing box is in the mold main body 3, in order to enable connection of the ejector rod 6 with the packing box, illustratively, the inner wall of the mold main body 3 is provided with a groove for accommodating the movable plate 8 and the cross rod 601, the movable plate 8 and the cross rod 601 are located in the groove, the bottom of the groove is provided with an ejector hole, and the vertical rod 602 passes through the ejector hole and is connected with the pneumatic demoulding assembly 4.
In order to avoid that the extrusion of the raw materials of the packaging box body from the cavity of the die main body 3 affects the expansion and contraction of the ejector rod 6, the inner wall of the ejector hole is provided with a sealing piece 7, and the outer wall of the vertical rod 602 is in sealing connection with the inner wall of the ejector hole through the sealing piece 7. In this way, the vertical rod 602 is in sealing connection with the ejection hole through the sealing member 7, so that the sealing between the vertical rod 602 and the die main body 3 can be ensured.
Specifically, the sealing member 7 includes a sealing sleeve 701, and a sealing ring 702 (for example, a high temperature resistant ZHM dustproof combined sealing ring 702) and/or a retainer ring 703 provided on an inner wall of the sealing sleeve 701, the retainer ring 703 is located at one end of the vertical rod 602 near the cross rod 601, and accordingly, a sealing groove for accommodating the sealing ring 702 and the retainer ring 703 is provided on an inner wall of the sealing sleeve 701, wherein the retainer ring 703 can play a role of preventing raw materials of the packaging box body from entering a matching gap between the sealing sleeve 701 and the vertical rod 602. Illustratively, the number of the sealing rings 702 is two, and the two sealing rings 702 are installed in opposite directions according to the use specification, so as 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 6 is in the retracted position, the lower surface of the cross bar 601 is spaced from the retainer ring 703 and the upper surface of the cross bar 601 is spaced from the movable plate 8. It should be noted that, the sealing mode of the conventional mold is axial sealing, and sealing is achieved by compacting the lower surface of the retracted ejector rod 6 and the mold main body 3, and the sealing ring 702 is arranged on the pressing surface or sealing glue is added. The sealing principle of the present embodiment adopts a radial sealing piston sealing groove form, compared with the conventional axial sealing, and has the following advantages: when the ejector rod 6 is retracted, the error of the axial ejection height can be ignored, and as long as the clearance between the lower surface of the cross rod 601 of the ejector rod 6 and the retainer ring 703 and the clearance between the upper surface of the cross rod 601 of the ejector rod 6 and the movable plate 8 are reserved to be relatively large, the problem that the cross rod 601 of the ejector rod 6 and the die main body 3 have larger acting force due to inconsistent height of the ejector rod 6 caused by manufacturing errors and installation errors and the problem that the axial sealing is easy to lose efficacy can be ignored.
It should be noted that, the package box is cured in the mold main body 3 to form the package box, and for the structure of the mold main body 3, the structure of the glass fiber reinforced plastic mold combined with the metal frame 302 is adopted, and the package box comprises a body 301 and a frame 302 for supporting the body 301, wherein the body 301 is fixed on the frame 302, the body 301 is made of glass fiber reinforced plastic, the manufacturing method thereof meets the manufacturing method of the 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 weight-bearing caster 303, and the entire mold body 3 is allowed to move on the ground by the weight-bearing caster 303.
In order to ensure the flatness and forming precision of the end face of the package box, the mold main body 3 further includes an end face pressing plate 304 fixedly connected to the main body 301, which is located in the edge area of the end face of the package box, where the end face pressing plate 304 is an independent flat plate part, and may be made of a metal or nonmetal, and is connected to the end face of the main body 301 through, but not limited to, a threaded fastener. In the shaping stage of packing box, through the setting of terminal surface clamp plate 304, can restrict the deformation at packing box edge effectively, guarantee the roughness and the shaping precision of packing box terminal surface.
Illustratively, the end face pressing plate 304 includes an upper end face pressing plate 304 provided on an upper end face of the body 301 and a side end face pressing plate 304 provided on a side end face of the body 301. In general, the area of the upper end surface of the body 301 is larger than the area of the side end surface, and therefore, the upper end surface platen 304 may be a large end surface platen 304, and the side end surface platen 304 may be a small end surface platen 304.
In order to achieve the installation of the pneumatic demoulding assembly 4, the mould 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 being fixedly connected to the frame 302, it being understood that the mounting plate 305 is provided with corresponding mounting holes.
In order to be able to remove the box from the body 301, the mould body 3 further comprises a crane 306 for lifting the box, which crane 306 is fixedly connected to the frame 302. It should be noted that, during lifting, the crane 306 is in an unfolded state, and after lifting, the crane 306 may be folded to avoid affecting the use of the body 301.
The pneumatic demoulding assembly 4 comprises an air source, a lifting unit and an air blowing unit, wherein a closed space is formed between the packaging box body and the mould main body 3, 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 ejection rod 6 through the lifting unit, and the opening time of the air blowing unit is not later than (earlier than or simultaneously with) the opening time of the lifting unit. The gas source is used for providing gas and filtering and splitting the gas; the blowing unit is used for conveying high-pressure gas conveyed by the gas source to a closed space between the packing box body and the die main body 3, so that separation of the packing box body and the die main body 3 is promoted.
The air source comprises an air supply piece (for example, an air bottle), a pressure regulating filter 401 and an air source multi-way joint 402 which are sequentially connected, the air inlet end of the air source multi-way joint 402 is connected with the pressure regulating filter 401, and the air outlet end is respectively connected with the air blowing unit and the lifting unit, so that the filtering and the flow dividing of air can be realized.
The blowing unit comprises a blowing manual valve 403, a pressure regulating valve 404 and a blowing multi-way joint 405, the air source, the blowing manual valve 403, the pressure regulating valve 404 and the blowing multi-way joint 405 are sequentially connected, the air inlet end of the blowing manual valve 403 is connected with the air outlet end of the air source multi-way joint 402 of the air source, the air outlet end of the blowing multi-way joint 405 is inserted into a closed space between the box body of the packaging box and the die body 3, the on-off of the blowing unit and the air source is controlled through the blowing manual valve 403, and it is understood that a hole site is formed in the die body 3, and the blowing multi-way joint 405 penetrates through the hole site of the die body 3 and extends to the closed space. After the packing box body is solidified in the die, the die is difficult to be removed due to tight adhesion. The blowing unit is used for filling high-pressure air into the airtight space between the die main body 3 and the box body of the packing box, so that the die main body 3 and the box body are slightly separated, and the demolding difficulty is reduced.
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 the oil inlet and outlet ends of the oil cylinder 407, and the air inlet and outlet ends of the oil cylinder 407 and the air inlet ends of other stages of cylinder bodies are connected with an air source through the lifting multi-way joint 408. The multistage cylinder 406 includes a two-stage cylinder, wherein an oil inlet and an oil outlet are formed in the one-stage cylinder, the oil inlet and the oil outlet are connected with the cylinder 407, an air inlet and an air outlet are formed in the two-stage cylinder, the air inlet is connected with the lifting multi-way joint 408 through a pneumatic control valve, when the multistage cylinder is implemented, high-pressure air of the air blowing unit enters the cylinder 407, hydraulic oil in the cylinder 407 enters the one-stage cylinder under the pushing of the high-pressure air, ejection of the one-stage cylinder is achieved, one-end distance of the ejection rod 6 extends out, the packing box is ejected out, the ejection stage of the one-stage cylinder is carried out at a slower stable speed, and the ejection stroke is small. Then, the high-pressure gas of the blowing unit enters the secondary cylinder body to realize ejection of the secondary cylinder body, so that the ejector rod 6 further extends out of one end distance, the stage is the working principle of a pure air cylinder, the ejector rod 6 is ejected at a higher speed, and the ejection stroke is large. When the device is retracted, air enters the secondary cylinder body through the air outlet, high-pressure air is discharged from the pneumatic control valve through the air inlet, and at the moment, the secondary cylinder body returns to the original position; the hydraulic oil flows back to the oil cylinder 407 through the oil inlet and outlet, and the primary cylinder body is reset.
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 includes a primary cylinder actuation manual valve 409 disposed on the connection line of the cylinder 407 to the air source and a secondary cylinder actuation manual valve 410 disposed on the connection line of the secondary cylinder to the air source. The on-off of the oil cylinder 407 and the air source is controlled by the primary cylinder action manual valve 409, and the on-off of the secondary rod body and the air source is controlled by the secondary cylinder action manual valve 410.
In order to effectively arrange the valve body and facilitate the operation of an operator, the pneumatic demoulding assembly 4 further comprises a console on which the air-blowing manual valve 403, the primary cylinder-operated manual valve 409 and the secondary cylinder-operated manual valve 410 are respectively mounted.
Due to the installation error or the machining precision error, in practical application, different axial errors and/or angle errors are generated between the output shaft of the cylinder and the ejector rod 6, and the pneumatic demolding assembly 4 further comprises a connecting sleeve 411 and two single-rod-shaped ball-end rod-end joint bearings 412 connected through the connecting sleeve 411, wherein one single-rod-shaped ball-end rod-end joint bearing 412 is connected with the ejector rod 6, and the other single-rod-shaped ball-end rod-end joint bearing 412 is connected with the output shaft of the cylinder. In this way, through the single-rod-shaped ball-end rod end joint bearing 412 and the connecting sleeve 411 which are matched with each other, on one hand, rotation with a certain angle can be realized, so that different axial errors and/or angle errors generated between the output shaft of the cylinder and the ejector rod 6 can be made up, and on the other hand, transmission of ejection force from the output shaft of the cylinder to the ejector rod 6 can be realized, and smooth ejection can be ensured.
It is noted that, due to the arrangement of the single-rod-shaped ball-end rod-end joint bearing 412 and the connecting sleeve 411, the shaking of the ejector rod 6 is inevitably caused, so that the pneumatic demolding assembly 4 further comprises the guide sleeve 413 sleeved on the outer wall of the ejector rod 6, and the ejection movement of the ejector rod 6 can be properly limited through the guide sleeve 413, so that the shaking of the ejector rod 6 can be reduced, and the accurate transmission of the ejection force is ensured. Illustratively, the guide sleeve 413 may be copper and has one end coupled to the sealing sleeve 701. The fit clearance between the ejector rod 6 and the guide sleeve 413 is performed according to the relevant standard.
Considering that after the packing box is formed, the die main body 3 needs to be polished to remove residual packing box materials, more powder is inevitably generated in the polishing process, and in order to remove the residual powder in the die main body 3, the forming die of the oversized packing box further comprises a mechanical vibration table 1, and after the packing box is formed, the die main body 3 is placed on the mechanical vibration table 1 for powder cleaning.
As for the structure of the mechanical vibrating table 1, specifically, it includes a vibrating table 101, a driver (e.g., a motor) that drives the vibrating table 101 to vibrate in the horizontal direction and/or the vertical direction, and a plurality of support springs provided between the vibrating table 101 and the mounting surface.
In order to improve the applicability of the mechanical vibration table 1, the mechanical vibration table can perform vibration powder cleaning on a die main body 3 with various specifications and weights, the supporting springs comprise a lightweight spring 102 and a heavy spring 103, and the height of the lightweight spring 102 is larger than that of the heavy spring 103 by taking a mounting surface as a reference. The weight and the weight are relative amounts, that is, the bearing capacity of the lightweight spring 102 is smaller than the bearing capacity of the lightweight spring 103, and when the mold body 3 having the same weight is loaded, the elastic deformation of the lightweight spring 102 is larger than the elastic deformation of the lightweight spring 103. In the implementation, for the die main body 3 with lighter weight, when the mechanical vibration table 1 vibrates and cleans the die main body 3, the die main body 3 is mainly supported by the lightweight spring 102; for the die main body 3 with heavier mass, when the mechanical vibration table 1 vibrates and cleans the die main body 3, the die main body 3 is supported by the lightweight spring 102 and the heavy weight spring 103 together, so that the die main body 3 with various specifications and weight can be vibrated and cleaned, and the applicability of the mechanical vibration table 1 is improved. Wherein the heavy-weight spring 103 has multiple functions, on one hand, it can effectively support the heavy-weight spring 103, and on the other hand, it can also avoid excessive deformation of the light-weight spring 102.
In practical application, consider the condition that can exist the drawing of patterns comparatively difficultly, perhaps need overturn packing box and mould main part 3 under this kind of condition, promote the drawing of patterns of packing box, consequently, the shaping mould of above-mentioned oversized packing box still includes roll-over table 2, and packing box shaping back, packing box and mould main part 3 are arranged in and are overturned the drawing of patterns on roll-over table 2.
To the structure of roll-over table 2, specifically, it includes the upset mesa, locates the mounting of the upper surface of upset mesa, locates the pivot and the pivoted upset motor of drive pivot of at least one side of roll-over table 2, and the mounting is connected with the holder of reserving on the mould main part 3 to can install packing box and mould main part 3 on the upset mesa. During implementation, the mounting piece is connected with the clamping piece, so that the packaging box body and the die main body 3 are mounted on the overturning table surface, the overturning motor is started, the overturning motor drives the overturning shaft to rotate so as to overturn the packaging box body and the die main body 3, and demolding of the packaging box body is promoted.
In order to further improve the demolding effect, the above-mentioned structure of the mounting member and the clamping member is specifically described as follows, the mounting member is provided with a mounting hole, the clamping member is inserted into the mounting hole, wherein mounting protrusions 201 and 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, rectangular zigzag shape), correspondingly, clamping protrusions 202 and 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, 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. Thus, when the clamping piece and the mounting piece are mounted, on one hand, the mounting protrusion 201 and the mounting groove can limit in the direction parallel to the upper surface of the overturning table top, so that shaking between the clamping piece and the mounting piece is avoided; on the other hand, because the width of the mounting protrusion 201 is smaller than the width of the clamping groove, a gap exists between the mounting protrusion 201 and the clamping groove, when the overturning table is in an initial state, the mounting protrusion 201 is positioned at one end of the clamping groove, when the overturning table overturns, the mounting protrusion 201 can suddenly move to the other end of the clamping groove due to the action of gravity, vibration can be generated on the packaging box body and the die main body 3 in the process, and the demolding effect of the overturning table 2 can be further improved.
It should be noted that the interaction between the clamping protrusion 202 and the mounting groove is substantially the same as the interaction between the mounting protrusion 201 and the clamping groove, and will not be described in detail herein.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The forming device for forming the packaging box body is characterized by comprising a die main body, an ejector rod, a pneumatic demolding assembly and a constant-temperature heating cover, wherein the output end of the pneumatic demolding assembly is in butt joint with the bottom of the packaging box body in the die main body through the ejector rod, and the packaging box body is separated from the die main body through the extension of the ejector rod;
the constant temperature heating cover comprises a cover body and a hot air blower communicated with the inner space of the cover body, wherein the inner part of the cover body is a closed space, and the packaging box body and a die main body of a forming device for forming the packaging box body are positioned in the closed space;
the cover body comprises a cover body frame, the cover body frame 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 vertically 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;
the forming device further comprises a turnover table, and after the packing box body is formed, the packing box body and the die main body are placed on the turnover table for turnover and demolding; the overturning platform comprises an overturning platform surface and an installation piece arranged on the upper surface of the overturning platform surface, and the installation piece is connected with a clamping piece reserved on the die main body; the mounting piece is provided with a mounting hole, the clamping piece is inserted into the mounting hole, mounting protrusions and mounting grooves are alternately arranged on the side wall of the mounting hole, clamping protrusions and clamping grooves are alternately arranged on the side wall of the clamping piece, the mounting protrusions are inserted into the clamping grooves, and the clamping protrusions are inserted into the mounting grooves; the width of the mounting protrusion is smaller than the width of the clamping groove, and the width of the clamping protrusion is smaller than the width of the mounting groove.
2. The molding device for forming the box body of the packaging box according to claim 1, wherein 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 through a hot air pipe, and the cold air outlet is connected with the hot air blower through a cold air pipe.
3. A forming device for forming a package according to claim 1, wherein a plurality of temperature sensors for monitoring the temperature in the housing are provided in the housing.
4. A forming device for forming a package according to claim 1, wherein the plurality of temperature sensors are disposed on the bottom, top and side surfaces of the housing.
5. A forming device for forming a package according to claim 1, wherein the bottom of the cover is provided with cover casters.
6. A forming device for forming a package according to claim 1, wherein the housing further comprises a heat insulating layer covering the housing frame.
7. A forming device for forming a package according to claim 1, wherein the package has a length of 7-15 m.
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| CN202111675514.3A CN114311439B (en) | 2021-12-31 | 2021-12-31 | Constant-temperature heating cover and forming device for forming packaging box body |
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| CN202111675514.3A CN114311439B (en) | 2021-12-31 | 2021-12-31 | Constant-temperature heating cover and forming device for forming packaging box body |
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| CN114311439B true CN114311439B (en) | 2024-04-05 |
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| DE202014007322U1 (en) * | 2014-09-08 | 2015-12-09 | Innovative ThermoAnalytic Instruments KG | Heating hood device with a novel arrangement of the heater |
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| KR20030044714A (en) * | 2001-11-30 | 2003-06-09 | 주식회사 포스코 | Device for separating and assembling mandrel segments of strip |
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| CN114311439A (en) | 2022-04-12 |
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