Hot press molding equipment for blister tray processing and use method of hot press molding equipment

Abstract

The invention discloses hot-press forming equipment for blister tray processing and a using method thereof.The hot-press forming equipment comprises a bottom plate, a supporting table is arranged at the top of the bottom plate, a lower forming mold is arranged at the top of the supporting table, and an upper forming mold is arranged above the lower forming mold; and a protection mechanism used for blocking the exterior of the lower forming mold and a connecting mechanism used for locking and fixing the lower forming mold are arranged on the top of the supporting table, the protection mechanism comprises a protection frame, and the protection frame is arranged on the exterior of the lower forming mold in a sliding mode. By means of the arrangement mode that the protection frame, the supporting plate, the first spring, the driving rod, the driving frame and the mounting box are matched, the sliding rod, the supporting plate and the first spring support and jack up the protection frame, when the protection frame is lifted, the edge of the lower forming mold is shielded, and when a plastic uptake tray and the like are operated, the protection frame is convenient to operate. And the protection frame is used for blocking and protecting the lower forming mold, so that the hands of the workers can be protected from being scalded conveniently.

Description

Technical Field

[0001] The invention relates to the field of thermoforming of blister trays, and in particular to thermoforming equipment for processing blister trays and a use method thereof. Background Art

[0002] Blister trays are also called plastic inner trays. Blister trays are usually made of plastic hard sheets with specific grooves using the blister process. The main function of a blister tray is to place the product in the groove to protect and beautify the product.

[0003] When processing blister trays, hot pressing forming operations are usually performed, and thus hot pressing forming equipment for blister trays is required. The hot pressing forming equipment for blister trays in the prior art usually includes upper and lower forming molds, electric heating tubes, a support table and a driving component, etc. The lower forming mold is installed on the top of the supporting table, and the electric heating tube is installed inside the upper and lower forming molds, so that the hard plastic sheet is placed on the top of the supporting table and located between the upper and lower forming molds, and then the driving component is used to make the upper and lower forming molds perform hot pressing operations on the hard plastic sheet.

[0004] The lower molding mold is placed on the top of the support table, and after the lower molding mold is heated, its edge will generate a certain temperature. However, when placing the hard plastic sheet or removing the blister tray, the edge of the lower molding mold is exposed to the outside, and then the staff may accidentally touch it with their hands, resulting in burns. Therefore, it is necessary for the blister tray hot pressing molding equipment to shield and protect the edge of the lower molding mold. Summary of the invention

[0005] The object of the present invention is to provide a thermoforming device for processing a blister tray and a method of using the same, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a thermoforming device for processing a blister tray, comprising:

[0007] A bottom plate, a support platform is arranged on the top of the bottom plate, a lower forming mold is arranged on the top of the support platform, and an upper forming mold is arranged above the lower forming mold;

[0008] The top of the support platform is provided with a protection mechanism for isolating the outside of the lower molding die and a connection mechanism for locking and fixing the lower molding die. The protection mechanism includes a protection frame which is slidably arranged on the outside of the lower molding die.

[0009] Preferably, the protection mechanism further comprises:

[0010] A support plate, the support plate is fixedly connected to the inner wall of the protection frame, and a sliding rod is fixedly connected to the bottom of the support plate;

[0011] A fixing ring, the fixing ring is sleeved on the outside of the sliding rod;

[0012] A first spring, wherein the first spring is sleeved on the outside of the sliding rod;

[0013] A driving rod, wherein the driving rod is threadedly inserted and connected to a side portion of the protection frame;

[0014] A driving frame is slidably arranged on the top of the driving rod.

[0015] Preferably, a groove is provided on the top of the support platform, the protective frame is slidably and interlacedly connected with the inner cavity of the groove, a circular groove is symmetrically provided on the bottom of the inner wall of the groove, the fixing ring is embedded in the inner cavity of the circular groove, the sliding rod is slidably and interlacedly connected with the inner cavity of the circular groove, and an installation groove is symmetrically provided on the bottom end of the inner wall of the groove.

[0016] Preferably, one end of the first spring is in contact with the support plate, the other end of the first spring is in contact with the fixing ring, and the side of the inner wall of the groove is symmetrically provided with a first through groove that matches the driving rod.

[0017] Preferably, the connecting mechanism comprises:

[0018] A supporting plate, the supporting plate is fixedly connected to the bottom of the lower forming mold;

[0019] The mounting column is fixedly connected to the bottom of the supporting plate, and the bottom of the mounting column is fixedly connected to an assembly block, and the assembly block is slidably and interlacedly connected with the inner cavity of the mounting groove.

[0020] Preferably, the connecting mechanism further comprises:

[0021] A locking column, a first slide groove is symmetrically opened at the bottom of the support platform, a second slide groove is opened at the side of the first slide groove, a clamping groove is opened at the side of the assembly block, and the locking column is slidably connected with the second slide groove and the inner cavity of the clamping groove;

[0022] A sliding frame, the sliding frame is fixedly connected to the end of the locking column, the sliding frame is slidably inserted and connected with the inner cavity of the first sliding groove, a second through groove is provided at the bottom of the sliding frame, a positioning block is slidably inserted and connected with the inner cavity of the second through groove, and a positioning groove matching the positioning block is provided at the bottom of the support platform.

[0023] Preferably, the bottom of the sliding frame is fixedly connected to a fixed frame, the bottom of the fixed frame is slidably and interlaced with a round rod, the end of the round rod is fixedly connected to a positioning block, a second spring is sleeved on the outside of the round rod, one end of the second spring is fixedly connected to the positioning block, and the other end of the second spring is fixedly connected to the inner wall of the fixed frame.

[0024] Preferably, a support leg is fixedly connected to the bottom of the support platform, the support leg is fixedly connected to the top of the base plate, an installation box is arranged above the support platform, and the upper molding mold is slidably arranged inside the installation box.

[0025] Preferably, a top plate is arranged above the bottom plate, a guide rod is fixedly connected between the top plate and the bottom plate, a movable plate is fixedly connected to the side of the installation box, and the outer wall of the guide rod is slidably interlaced with the movable plate.

[0026] The present invention also provides a method for using a hot pressing forming device for processing a blister tray, comprising the following specific steps:

[0027] Step 1: When the blister tray needs to be processed, the upper molding die and the lower molding die are heated to the hot pressing temperature. At this time, the protection frame is pushed by the elastic force of the first spring, and the protection frame extends from the top of the support platform. The protection frame is in a shielding state for the lower molding die, and then the hard plastic sheet is placed on the top of the lower molding die;

[0028] Step 2: Then the installation box is lowered, the installation box limits the hard plastic sheet, and at the same time drives the driving frame to move, the driving frame pushes the driving rod to move downward, the driving rod drives the protection frame to hide inside the support platform, and then the lower molding mold is exposed, and then the upper molding mold and the lower molding mold are pressed together;

[0029] Step 3: After the blister tray is hot-pressed, the upper molding die is moved upward and withdrawn, and the mounting box and the support table are withdrawn, which drives the drive frame to move upward. The first spring in the compressed state generates elastic force to push the drive rod to move upward. The drive rod drives the protective frame to extend from the inside of the support table, so that the protective frame blocks the outer edge of the support table and lifts up the hot-pressed blister tray, and then the blister tray can be removed.

[0030] Technical effects and advantages of the present invention:

[0031] (1) The present invention utilizes a protective frame, a support plate, a sliding rod, a fixing ring, a first spring, a driving rod, a driving frame and an installation box in a coordinated arrangement. The sliding rod, the support plate and the first spring support and lift the protective frame. The driving frame moves with the installation box. When the protective frame is raised, the edge of the lower molding die is shielded. This is beneficial for the protective frame to block and protect the lower molding die when operating a blister tray, etc., and is convenient for protecting the hands of the staff from scalding.

[0032] (2) The present invention utilizes a supporting plate, a mounting column, an assembly block, a locking column, a sliding frame, a positioning block, a fixed frame and a second spring in a configuration that cooperates with each other. The supporting plate supports the lower molding die, the assembly block and the mounting column position the installation of the supporting plate, and the sliding frame drives the locking column to limit the relative position of the support platform and the assembly block, thereby facilitating the installation and disassembly of the lower molding die for maintenance operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0034] Figure 2 It is a schematic diagram of the front structure of the present invention.

[0035] Figure 3 It is a front cross-sectional structural schematic diagram of the present invention.

[0036] Figure 4 It is a front cross-sectional structural schematic diagram of the protection frame of the present invention.

[0037] Figure 5 It is a front cross-sectional structural schematic diagram of the driving rod of the present invention.

[0038] Figure 6 It is a front cross-sectional structural schematic diagram of the assembly block of the present invention.

[0039] In the figure: 1. bottom plate; 2. support platform; 3. protection mechanism; 31. protection frame; 32. support plate; 33. sliding rod; 34. fixing ring; 35. first spring; 36. driving rod; 37. driving frame; 4. connecting mechanism; 41. supporting plate; 42. mounting column; 43. assembly block; 44. locking column; 45. sliding frame; 46. positioning block; 47. fixing frame; 48. second spring; 5. mounting box; 6. upper molding die; 7. supporting leg; 8. moving plate; 9. top plate; 10. lower molding die. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] The present invention provides Figure 1-6The hot pressing molding equipment for processing a blister tray shown in the figure includes a base plate 1, a support platform 2 is arranged on the top of the base plate 1, which is conducive to supporting the lower molding mold 10, a lower molding mold 10 is arranged on the top of the support platform 2, and an upper molding mold 6 is arranged above the lower molding mold 10, and heating tubes are arranged inside the lower molding mold 10 and the upper molding mold 6 to perform hot pressing processing on the blister tray.

[0042] Furthermore, a protective mechanism 3 for blocking the outside of the lower molding die 10 and a connecting mechanism 4 for locking and fixing the lower molding die 10 are provided on the top of the support platform 2. The protective mechanism 3 includes a protective frame 31, a support plate 32, a fixing ring 34, a first spring 35, a driving rod 36 and a driving frame 37. The protective frame 31 is conducive to shielding the outside of the lower molding die 10, which is convenient for protecting the hands of the staff from scalding. The support plate 32 is conducive to supporting the protective frame 31 and facilitating driving the protective frame 31 to move. The fixing ring 34 is conducive to guiding the sliding of the sliding rod 33 and guiding the deformation of the first spring 35. The elastic force of the first spring 35 is conducive to pushing the protective frame 31 to extend or hide from the top of the support platform 2 to shield and protect the outside of the lower molding die 10. The driving rod 36 is conducive to driving the protective frame 31 to move, which is convenient for pulling the protective frame 31. The driving frame 37 is L-shaped, which is conducive to driving the driving frame 37 to move while the installation box 5 is descending, so as to drive the driving rod 36 The protective frame 31 is pressed down so that it is hidden inside the support platform 2, so that the lower molding die 10 is exposed, and the blister tray is hot-pressed. The protective frame 31 is slidably arranged outside the lower molding die 10, and the support plate 32 is fixedly connected to the inner wall of the protective frame 31. The bottom of the support plate 32 is fixedly connected with a sliding rod 33, which is conducive to supporting the support plate 32. The fixing ring 34 is sleeved on the outside of the sliding rod 33, and the first spring 35 is sleeved on the outside of the sliding rod 33. The driving rod 36 is threadedly inserted and connected to the side of the protective frame 31, and the driving rod 36 is threadedly inserted and connected to the side of the protective frame 31. The frame 37 is slidably set on the top of the driving rod 36, and a groove is opened on the top of the support platform 2. The protection frame 31 is slidably inserted and connected with the inner cavity of the groove. The bottom of the inner wall of the groove is symmetrically opened with circular grooves. The fixing ring 34 is embedded in the inner cavity of the circular groove. The sliding rod 33 is slidably inserted and connected with the inner cavity of the circular groove. The bottom end of the inner wall of the groove is symmetrically opened with mounting grooves. One end of the first spring 35 is fitted with the support plate 32, and the other end of the first spring 35 is fitted with the fixing ring 34. The side of the inner wall of the groove is symmetrically opened with a first through groove matching the driving rod 36.

[0043] Furthermore, the connecting mechanism 4 includes a supporting plate 41, a mounting column 42, a locking column 44 and a sliding frame 45. The supporting plate 41 is conducive to supporting the lower molding die 10, the mounting column 42 is conducive to supporting the supporting plate 41, and the locking column 44 is conducive to limiting the relative position of the assembly block 43 and the support platform 2, thereby facilitating the installation and disassembly of the lower molding die 10. The sliding frame 45 is L-shaped, which is conducive to driving the locking column 44 to move, and is convenient for pulling the locking column 44. The supporting plate 41 is fixedly connected to At the bottom of the lower molding die 10, the mounting column 42 is fixedly connected to the bottom of the supporting plate 41, and the bottom of the mounting column 42 is fixedly connected with an assembly block 43, which is conducive to connecting the mounting column 42 with the support platform 2, and is convenient for positioning and installing the lower molding die 10. The assembly block 43 is slidably connected with the inner cavity of the mounting groove. The bottom of the support platform 2 is symmetrically provided with a first slide groove, and the side of the first slide groove is provided with a second slide groove. The side of the assembly block 43 is provided with a card groove, and the locking column 44 is slidably connected with the inner cavity of the second slide groove and the card groove. The frame 45 is fixedly connected to the end of the locking column 44, the sliding frame 45 is slidably inserted into the inner cavity of the first slide groove, the bottom of the sliding frame 45 is provided with a second through groove, and the inner cavity of the second through groove is slidably inserted into the inner cavity of the second through groove, which is conducive to limiting the relative position of the sliding frame 45 and the support table 2 to prevent the sliding frame 45 from sliding at will. The bottom of the support table 2 is provided with a positioning groove that matches the positioning block 46. The bottom of the sliding frame 45 is fixedly connected with a fixed frame 47, which is conducive to vertically guiding the sliding of the round rod. The bottom of the fixed frame 47 A round rod is slidably inserted and connected to the part, which is conducive to pulling the positioning block 46 to move, so as to facilitate the separation of the positioning block 46 from the inner cavity of the positioning groove. The end of the round rod is fixedly connected to the positioning block 46, and a second spring 48 is sleeved on the outside of the round rod. The elastic force of the second spring 48 is conducive to pushing the positioning block 46 to move, so that the positioning block 46 can return to its original position after movement, and it is convenient to repeat the operation of the positioning block 46. One end of the second spring 48 is fixedly connected to the positioning block 46, and the other end of the second spring 48 is fixedly connected to the inner wall of the fixed frame 47.

[0044] Specifically, the bottom of the support platform 2 is fixedly connected with a support leg 7, which is conducive to supporting the support platform 2. The support leg 7 is fixedly connected to the top of the base plate 1. An installation box 5 is arranged above the support platform 2, which is conducive to supporting the upper molding die 6. The upper molding die 6 is slidably arranged inside the installation box 5. A top plate 9 is arranged above the base plate 1, which is conducive to supporting the guide rod. A guide rod is fixedly connected between the top plate 9 and the base plate 1, which is conducive to guiding the sliding of the movable plate 8, and further conducive to guiding the movement of the installation box 5. The side of the installation box 5 is fixedly connected with the movable plate 8, and the outer wall of the guide rod is slidably and interlacedly connected with the movable plate 8.

[0045] Method of use of the present invention:

[0046] When the blister tray needs to be processed, the upper molding die 6 and the lower molding die 10 are heated to the hot pressing temperature. At this time, the protection frame 31 is pushed by the elastic force of the first spring 35, and the protection frame 31 extends from the top of the support platform 2, and the protection frame 31 is in a shielding state for the lower molding die 10. Figure 4 As shown, the hard plastic sheet is then placed on top of the lower molding die 10;

[0047] Then the installation box 5 is lowered, the installation box 5 limits the hard plastic sheet, and at the same time drives the driving frame 37 to move, the driving frame 37 pushes the driving rod 36 to move downward, and the driving rod 36 drives the protection frame 31 to hide inside the support platform 2, and then the lower molding mold 10 is exposed, as shown in FIG. Figure 3 As shown, the upper molding die 6 and the lower molding die 10 are then pressed together for molding;

[0048] After the blister tray is hot-pressed, the upper molding die 6 is moved upward and withdrawn, and the mounting box 5 and the support platform 2 are withdrawn, which in turn drives the drive frame 37 to move upward. The first spring 35 in a compressed state generates elastic force to push the drive rod 36 to move upward. The drive rod 36 drives the protection frame 31 to extend from the inside of the support platform 2, so that the protection frame 31 blocks the outer edge of the support platform 2 and lifts up the hot-pressed blister tray, and then the blister tray can be removed.

[0049] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A thermoforming device for processing blister trays, comprising: A bottom plate (1), a support platform (2) is arranged on the top of the bottom plate (1), a lower molding die (10) is arranged on the top of the support platform (2), and an upper molding die (6) is arranged above the lower molding die (10); It is characterized in that a protection mechanism (3) for isolating the outside of the lower molding mold (10) and a connection mechanism (4) for locking and fixing the lower molding mold (10) are arranged on the top of the support platform (2), and the protection mechanism (3) includes a protection frame (31), and the protection frame (31) is slidably arranged on the outside of the lower molding mold (10).

2. The hot pressing forming equipment for processing blister trays according to claim 1, characterized in that: The protection mechanism (3) further comprises: A support plate (32), the support plate (32) being fixedly connected to the inner wall of the protection frame (31), and a sliding rod (33) being fixedly connected to the bottom of the support plate (32); A fixing ring (34), wherein the fixing ring (34) is sleeved on the outside of the sliding rod (33); A first spring (35), wherein the first spring (35) is sleeved on the outside of the sliding rod (33); A driving rod (36), wherein the driving rod (36) is threadedly inserted and connected to a side portion of the protection frame (31); A driving frame (37) is slidably arranged on the top of the driving rod (36).

3. The hot pressing forming equipment for processing blister trays according to claim 2, characterized in that: A groove is provided on the top of the support platform (2), the protection frame (31) is slidably connected with the inner cavity of the groove, a circular groove is symmetrically provided at the bottom of the inner wall of the groove, the fixing ring (34) is embedded in the inner cavity of the circular groove, the sliding rod (33) is slidably connected with the inner cavity of the circular groove, and a mounting groove is symmetrically provided at the bottom end of the inner wall of the groove.

4. The hot pressing forming equipment for processing blister trays according to claim 3, characterized in that: One end of the first spring (35) is in contact with the support plate (32), and the other end of the first spring (35) is in contact with the fixing ring (34). The side of the inner wall of the groove is symmetrically provided with a first through groove that matches the driving rod (36).

5. The hot pressing forming equipment for processing blister trays according to claim 1, characterized in that: The connecting mechanism (4) comprises: A supporting plate (41), wherein the supporting plate (41) is fixedly connected to the bottom of the lower molding die (10); The mounting column (42) is fixedly connected to the bottom of the supporting plate (41), and the bottom of the mounting column (42) is fixedly connected to an assembly block (43), and the assembly block (43) is slidably connected to the inner cavity of the mounting groove.

6. The hot pressing forming equipment for processing blister trays according to claim 5, characterized in that: The connecting mechanism (4) further comprises: A locking column (44), a first slide groove is symmetrically provided at the bottom of the support platform (2), a second slide groove is provided on the side of the first slide groove, a clamping groove is provided on the side of the assembly block (43), and the locking column (44) is slidably connected with the inner cavity of the second slide groove and the clamping groove; A sliding frame (45), the sliding frame (45) is fixedly connected to the end of the locking column (44), the sliding frame (45) is slidably inserted and connected with the inner cavity of the first sliding groove, the bottom of the sliding frame (45) is provided with a second through groove, the inner cavity of the second through groove is slidably inserted and connected with a positioning block (46), and the bottom of the support platform (2) is provided with a positioning groove that matches the positioning block (46).

7. The hot pressing forming equipment for processing blister trays according to claim 6, characterized in that: The bottom of the sliding frame (45) is fixedly connected to a fixed frame (47), the bottom of the fixed frame (47) is slidably connected to a round rod, the end of the round rod is fixedly connected to a positioning block (46), a second spring (48) is sleeved on the outside of the round rod, one end of the second spring (48) is fixedly connected to the positioning block (46), and the other end of the second spring (48) is fixedly connected to the inner wall of the fixed frame (47).

8. The hot pressing forming equipment for processing blister trays according to claim 1, characterized in that: The bottom of the support platform (2) is fixedly connected to a support leg (7), and the support leg (7) is fixedly connected to the top of the base plate (1). An installation box (5) is arranged above the support platform (2), and the upper molding mold (6) is slidably arranged inside the installation box (5).

9. The hot pressing forming equipment for processing blister trays according to claim 8, characterized in that: A top plate (9) is arranged above the bottom plate (1), a guide rod is fixedly connected between the top plate (9) and the bottom plate (1), a movable plate (8) is fixedly connected to the side of the installation box (5), and the outer wall of the guide rod is slidably interlaced with the movable plate (8).

10. The method for using the hot pressing forming equipment for processing blister trays according to any one of claims 1 to 9, characterized in that: The specific usage steps are as follows: Step 1: When the blister tray needs to be processed, the upper molding die (6) and the lower molding die (10) are heated to the hot pressing temperature. At this time, the protective frame (31) is pushed by the elastic force of the first spring (35), and the protective frame (31) extends from the top of the support platform (2). The protective frame (31) is in a shielding state for the lower molding die (10), and then the hard plastic sheet is placed on the top of the lower molding die (10); Step 2: Then the installation box (5) is lowered, the installation box (5) limits the hard plastic sheet, and at the same time drives the driving frame (37) to move, the driving frame (37) pushes the driving rod (36) to move downward, the driving rod (36) drives the protection frame (31) to hide inside the support platform (2), and then the lower molding mold (10) is exposed, and then the upper molding mold (6) and the lower molding mold (10) are pressed together to form; Step 3: After the blister tray is thermoformed, the upper molding die (6) is moved upward and withdrawn, and the mounting box (5) and the support platform (2) are withdrawn, driving the drive frame (37) to move upward at the same time. The first spring (35) in a compressed state generates elastic force to push the drive rod (36) to move upward. The drive rod (36) drives the protection frame (31) to extend from the inside of the support platform (2), so that the protection frame (31) blocks the outer edge of the support platform (2) and lifts the thermoformed blister tray upward, and then the blister tray can be removed.

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