Pressing device for hard plastic package processing
By designing a pressing device for hard plastic packaging processing, the hydraulic rod and exhaust components are used to discharge air between the plastic plates, the problem of swelling and offset during pressing of the plastic plates is solved, and the high-quality pressing effect of the plastic bag is achieved.
Patent Information
- Application Number
- CN202422267478.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-18
AI Technical Summary
In the prior art, it is difficult to effectively discharge the air between the two layers of plastic plates when pressed, resulting in swelling and offset of the plastic bag, affecting the quality of the finished product.
A pressing device for hard plastic packaging processing is designed. The pressing plate is driven by a hydraulic rod to heat and snap on the engaging block. The air between the plastic plates is discharged through the exhaust component, and the automatic reset of the extrusion plate is achieved by using a return spring to ensure that the plastic plate is closely integrated.
It effectively avoids the phenomenon of bulging and offsetting of plastic plates during pressing, and improves the quality stability of the finished product.
Smart Images

Figure CN223147779U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic packaging, in particular to a pressing device for hard plastic packaging processing. Background Technique
[0002] Plastic bags are products made of plastic as raw materials, such as folder packaging bags, etc., which are widely used in daily life and industrial production. By using various external conditions (such as electric heating, high-frequency voltage or ultrasonic waves, etc.), the sealing position of the plastic bag is heated to a viscous flow state, and with a certain pressure, the two layers of film are fused into one body and maintain strength after cooling.
[0003] However, when the existing plastic plates are pressed, air will remain between the two plastic plates. If the air is not discharged, the formed packaging bag material will bulge and shift during pressing, resulting in unqualified quality of the formed plastic bags. Therefore, we provide a pressing device for hard plastic packaging processing for use. Content of the Utility Model
[0004] The purpose of the utility model is to provide a pressing device for hard plastic packaging processing to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: A pressing device for hard plastic packaging processing, including an operating table, a placement groove is installed in the middle of the top of the operating table, a plurality of sets of clamping blocks are arranged and installed on the top of the operating table, and the plurality of sets of clamping blocks are respectively attached to one side inside the placement groove. Support rods are respectively installed at the four corners of the top of the operating table, and a top plate is installed at the top of the support rods;
[0006] A hydraulic rod is installed in the middle of the top plate, a pressing plate is installed at the extending end of the hydraulic rod, a plurality of heating blocks are arranged and installed at the bottom of the pressing plate, and an exhaust component is installed at the bottom of the pressing plate.
[0007] Preferably, the exhaust component includes a movable rod, a pressing plate and a reset component. The four movable rods are respectively slidably connected to the four corners of the bottom of the pressing plate, and the pressing plate is connected to the bottom of the four movable rods and the pressing plate is clamped inside the placement groove.
[0008] Preferably, the reset component includes a reset spring. The two ends of the four reset springs are respectively connected between the pressing plate and the pressing plate, and the reset spring is sleeved outside the movable rod.
[0009] Preferably, the plurality of heating blocks are respectively clamped between the plurality of clamping blocks to press and seal the plastic plates.
[0010] Preferably, both ends of the top of the pressing plate are respectively connected with stabilizing rods, and the stabilizing rods penetrate through the top of the top plate. A connecting plate is connected between the tops of every two groups of stabilizing rods.
[0011] Preferably, support legs are respectively installed at the four corners of the bottom of the operating table, and fixing bolts are respectively threadedly connected inside the four groups of support legs.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0013] 1. By starting the extension end of the hydraulic rod to push the connected pressing plate to move downward, the pressing plate pushes the heating block installed on the bottom side to move downward. The heating block heats and engages with a plurality of engaging blocks installed on the top of the operating table to perform a pressing process on the plastic plate placed in the placement groove. The pressing plate moves downward and pushes the extrusion plate installed at the bottom to move downward. When the extrusion plate abuts against the plastic plate, the air between the two plastic plates is discharged. The extrusion plate drives the movable rod installed at the bottom to move upward, and the extrusion plate presses the return spring. The return spring generates elastic force. When the extrusion plate disengages from the packaging bag, the return spring drives the extrusion plate to reset, facilitating the next use of the extrusion plate and avoiding the phenomenon of bulging and offset of the pressed plastic plate.
[0014] 2. By moving the pressing plate upward and driving the connected stabilizing rods to slide inside the top plate, the stability of the pressing plate during movement is increased. The connecting plate connected to the top of the stabilizing rod prevents the stabilizing rod from detaching from the top plate. Four support legs installed at the bottom of the operating table support the operating table, and at the same time, the support legs are fixed to the ground by fixing bolts threadedly connected inside. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is the front view structural schematic diagram of the present utility model;
[0016] Figure 2 is the bottom view structural schematic diagram of the present utility model;
[0017] Figure 3 is the present utility model Figure 1 the enlarged schematic diagram at A;
[0018] Figure 4 is the present utility model Figure 2 the enlarged schematic diagram at B.
[0019] In the figure: 1. Operating table, 2. Placement groove, 3. Engaging block, 4. Support rod, 5. Top plate, 6. Hydraulic rod, 7. Pressing plate, 8. Heating block, 9. Movable rod, 10. Return spring, 11. Extrusion plate, 12. Stabilizing rod, 13. Connecting plate, 14. Support leg, 15. Fixing bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Please refer to Figures 1-4 As shown in the figure, the present utility model is a pressing device for hard plastic packaging processing, including an operating table 1. A placement groove 2 is installed in the middle of the top of the operating table 1. A plurality of engaging blocks 3 are arranged and installed on the top of the operating table 1, and the plurality of engaging blocks 3 are respectively attached to one side inside the placement groove 2. Support rods 4 are installed at the four corners of the top of the operating table 1, and a top plate 5 is installed at the top of the support rods 4.
[0022] A hydraulic rod 6 is installed in the middle of the top plate 5. A pressing plate 7 is installed at the extending end of the hydraulic rod 6. A plurality of heating blocks 8 are arranged and installed at the bottom of the pressing plate 7. An exhaust assembly is installed at the bottom of the pressing plate 7.
[0023] In this embodiment, by turning on the hydraulic rod 6, the extending end of the hydraulic rod 6 pushes the connected pressing plate 7 to move downward. The pressing plate 7 pushes the heating blocks 8 installed at the bottom to move downward. The heating blocks 8 heat and engage with the plurality of engaging blocks 3 installed on the top of the operating table 1 to perform a pressing process on the plastic plate placed inside the placement groove 2. At the same time, the pressing plate 7 pushes the exhaust assembly installed at the bottom against the plastic plate to discharge the air inside the plastic plate.
[0024] Please refer to Figure 2 And Figure 4 As shown in the figure, the exhaust assembly includes a movable rod 9, a pressing plate 11 and a reset assembly. Four movable rods 9 are respectively slidably connected to the four corners of the bottom of the pressing plate 7. The pressing plate 11 is connected to the bottoms of the four movable rods 9 and the pressing plate 11 is engaged inside the placement groove 2.
[0025] In this embodiment, when the pressing plate 7 moves downward and pushes the pressing plate 11 installed at the bottom to move downward, when the pressing plate 11 abuts against the packaging bag, the pressing plate 11 drives the movable rod 9 installed at the bottom to move upward, so that the movable rod 9 slides inside the pressing plate 7. At the same time, the reset assembly installed between the pressing plate 7 and the pressing plate 11 is compressed. When the pressing plate 11 disengages from the packaging bag, the reset assembly drives the pressing plate 11 to reset.
[0026] Please refer to Figure 4 As shown in the figure, the reset assembly includes a reset spring 10. The two ends of the four reset springs 10 are respectively connected between the pressing plate 7 and the pressing plate 11, and the reset springs 10 are sleeved on the outside of the movable rod 9.
[0027] In this embodiment, by moving the pressing plate 7 downward, when the pressing plate 11 installed at the bottom of the pressing plate 7 presses the packaging bag, the pressing plate 11 presses the return spring 10, causing the return spring 10 to generate elastic force. When the pressing plate 11 disengages from the packaging bag, the return spring 10 drives the pressing plate 11 to reset, facilitating the next use of the pressing plate 11.
[0028] Please refer to Figure 3 and Figure 4 As shown, multiple heating blocks 8 are respectively clamped between multiple clamping blocks 3 to press and seal the plastic plate.
[0029] In this embodiment, by respectively clamping multiple heating blocks 8 between multiple clamping blocks 3, the heating blocks 8 and the clamping blocks 3 perform a pressing process on the edge of the plastic plate.
[0030] Please refer to Figure 1 As shown, both ends of the top of the pressing plate 7 are respectively connected with stabilizing rods 12, and the stabilizing rods 12 penetrate through the top of the top plate 5. A connecting plate 13 is connected between the tops of every two groups of stabilizing rods 12.
[0031] In this embodiment, by moving the pressing plate 7 upward and driving the connected stabilizing rods 12 to slide inside the top plate 5, the stability of the pressing plate 7 during movement is increased. The connecting plate 13 connected to the top of the stabilizing rod 12 prevents the stabilizing rod 12 from disengaging from the top plate 5.
[0032] Please refer to Figure 2 As shown, support legs 14 are respectively installed at the four corners of the bottom of the operating table 1, and fixing bolts 15 are respectively threadedly connected inside the four groups of support legs 14.
[0033] In this embodiment, the operating table 1 is supported by the four groups of support legs 14 installed at the bottom of the operating table 1, and at the same time, the support legs 14 are fixed to the ground by the fixing bolts 15 threadedly connected inside.
[0034] Working principle: The utility model is a pressing device for the processing of rigid plastic packaging. During the use process, two groups of plastic packages are placed in the placement groove. The hydraulic rod 6 is turned on, and the extending end of the hydraulic rod 6 pushes the connected pressing plate 7 to move downward. The pressing plate 7 pushes the heating block 8 installed on the bottom side to move downward. The heating block 8 heats and engages with a plurality of engaging blocks 3 installed on the top of the operation table 1 to perform a pressing process on the plastic plates placed inside the placement groove 2. The pressing plate 7 moves downward and pushes the extrusion plate 11 installed at the bottom to move downward. When the extrusion plate 11 abuts against the packaging bag, the air between the two packaging bags is discharged. The extrusion plate 11 drives the movable rod 9 installed at the bottom to move upward, causing the movable rod 9 to slide within the pressing plate 7, so that the return spring 10 generates elastic force. When the extrusion plate 11 disengages from the packaging bag, the return spring 10 drives the extrusion plate 11 to reset, facilitating the next use of the extrusion plate 11. The content not described in detail in this description belongs to the prior art well-known to those skilled in the art.
[0035] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A pressing device for hard plastic packaging processing, comprising an operating table (1), characterized in that: A placement groove (2) is installed in the middle of the top of the operating table (1). A plurality of engaging blocks (3) are arranged and installed on the top of the operating table (1), and the plurality of engaging blocks (3) are respectively attached to one side inside the placement groove (2). Support rods (4) are respectively installed at the four corners of the top of the operating table (1), and a top plate (5) is installed at the top of the support rods (4); A hydraulic rod (6) is installed in the middle of the top plate (5). A pressing plate (7) is installed at the extending end of the hydraulic rod (6). A plurality of heating blocks (8) are arranged and installed at the bottom of the pressing plate (7). An exhaust component is installed at the bottom of the pressing plate (7).
2. The pressing device for processing hard plastic packaging according to claim 1, wherein: The exhaust component includes a movable rod (9), a pressing plate (11) and a reset component. The four movable rods (9) are respectively slidably connected to the four corners of the bottom of the pressing plate (7). The pressing plate (11) is connected to the bottoms of the four movable rods (9), and the pressing plate (11) is engaged inside the placement groove (2).
3. A pressing device for hard plastic packaging processing according to claim 2, characterized in that: The reset component includes a reset spring (10). The two ends of the four reset springs (10) are respectively connected between the pressing plate (7) and the pressing plate (11), and the reset springs (10) are sleeved on the outside of the movable rods (9).
4. A pressing device for hard plastic packaging processing according to claim 1, characterized in that: The plurality of heating blocks (8) are respectively engaged between the plurality of engaging blocks (3) to press and seal the plastic plate.
5. A pressing device for hard plastic packaging processing according to claim 1, characterized in that: Two ends of the top of the pressing plate (7) are respectively connected with a stabilizing rod (12), and the stabilizing rod (12) penetrates through the top of the top plate (5). A connecting plate (13) is connected between the tops of every two stabilizing rods (12).
6. The pressing device for processing hard plastic packaging according to claim 5, characterized in that: Support legs (14) are respectively installed at the four corners of the bottom of the operating table (1). Fixing bolts (15) are respectively threadedly connected inside the four support legs (14).