PVC heat shrinkable film slitting device

Abstract

The application provides a PVC heat shrinkable film slitting device, relates to the technical field of PVC heat shrinkable film slitting, and comprises a second sliding rail, two first sliding rails rotatably connected to the two sides of the second sliding rail respectively, a sliding block slidably connected in the second sliding rail, a connecting block fixedly connected to the sliding block, a connecting rod penetratingly connected to the connecting block, a cutter groove formed in the bottom end of the connecting rod, a cutter installed in the cutter groove, a second threaded rod fixedly connected to the top end of the connecting rod, a hand screw bolt threadedly connected to the side face of the connecting block, a threaded groove matched with the second threaded rod formed in the handle of the hand screw bolt, and the end of the hand screw bolt away from the threaded groove being in abutment with the side face of the connecting rod. The first sliding rail and the second sliding rail are rotatably folded between the second sliding rail and the two first sliding rails, the first sliding rail and the second sliding rail can guide the sliding block and the cutter and other components in the unfolded use state, and the slitting is more neat.

Description

Technical Field

[0001] This utility model relates to the field of PVC heat shrink film slitting technology, and more specifically, to a PVC heat shrink film slitting device. Background Technology

[0002] In the use of PVC heat shrink film, it is often necessary to cut it into segments of specific widths and lengths according to different application scenarios and requirements. Currently, PVC heat shrink film cutting equipment on the market is mainly divided into two categories: automated cutting machines and manual cutting tools. Most existing manual cutting tools lack effective guiding devices, which easily leads to uneven cutting edges during the cutting process. Therefore, we have made improvements to this issue and proposed a PVC heat shrink film cutting device. Summary of the Invention

[0003] This utility model provides a PVC heat shrink film slitting device, including a second slide rail and two first slide rails respectively rotatably connected to both sides of the second slide rail. A slider is slidably connected in the second slide rail, and a connecting block is fixedly connected to the slider. A connecting rod is inserted through the connecting block. A knife groove is opened at the bottom end of the connecting rod, and a cutter is installed in the knife groove. A second threaded rod is fixedly connected to the top end of the connecting rod. A hand-tightening bolt is threadedly connected to the side of the connecting block. A threaded groove adapted to the second threaded rod is opened at the handle of the hand-tightening bolt. The end of the hand-tightening bolt away from the threaded groove abuts against the side of the connecting rod.

[0004] As a preferred technical solution of this application, the connecting rod, the blade groove and the cutting blade are interlaced with fixing bolts, and the outer surface of the fixing bolts is provided with nuts.

[0005] As a preferred technical solution of this application, a limiting member is provided between the first slide rail and the second slide rail.

[0006] As a preferred technical solution of this application, the limiting member includes a plurality of limiting rods fixedly installed at the end of the first slide rail, and a plurality of limiting grooves are provided at the end and front of the second slide rail, and the limiting rods are inserted into the limiting grooves at the corresponding positions.

[0007] As a preferred technical solution of this application, a connecting member is provided between the second slide rail and the first slide rail.

[0008] As a preferred technical solution of this application, the connector includes a first T-shaped rod installed on the top of the second slide rail, the first T-shaped rod is fitted with a first connecting plate, the first connecting plate is provided with a first sliding groove, the inner wall of the first sliding groove is inserted with a first threaded rod, the bottom end of the first threaded rod is fixedly connected to the top of the first slide rail, and the outer surface of the first threaded rod is threaded with a hand-tightening nut located above the first slide rail.

[0009] As a preferred technical solution of this application, the outer surface of the first threaded rod is also fitted with a baffle plate located between the first connecting plate and the hand-tightening nut. The bottom of the baffle plate is fixedly connected with a protrusion, and the top of the first connecting plate is provided with a groove for inserting into the protrusion.

[0010] As a preferred technical solution of this application, two second T-shaped rods are installed at the bottom of the second slide rail. Each of the two second T-shaped rods is fitted with a second connecting plate. A second slide groove is opened on the second connecting plate. A third T-shaped rod is inserted into the inner wall of the second slide groove. The third T-shaped rod is connected to the bottom of the first slide rail.

[0011] As a preferred technical solution of this application, the bottom of the first slide rail is provided to protrude downward on the side away from the second slide rail, and the bottom surface of the protruding area is on the same plane as the bottom surface of the second T-shaped rod.

[0012] As a preferred technical solution of this application, a stop block is installed inside the first slide rail, and the stop block is located on the side of the first slide rail away from the second slide rail.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: In the scheme of this application: This application features a first slide rail and a second slide rail. The second slide rail is rotatable and foldable with the two first slide rails. When unfolded, the first and second slide rails guide the slider and cutter, resulting in neater slicing. When the first and second slide rails are folded, the overall length of the device is reduced, improving portability. Furthermore, when folded, the second threaded rod can be screwed into the threaded groove, protecting the cutter between the first and second slide rails and reducing the risk of cutter damage. Attached Figure Description

[0014] Figure 1 This is a front view structural schematic diagram of the PVC heat shrink film slitting device provided in this application; Figure 2 This is a rear view structural schematic diagram of the PVC heat shrink film slitting device provided in this application; Figure 3 A partial structural schematic diagram of the PVC heat shrink film slitting device provided in this application; Figure 4 A partial exploded view of the PVC heat shrink film slitting apparatus provided in this application; Figure 5 Provided for this application Figure 4 A schematic diagram of the structure viewed from below; Figure 6 A schematic diagram of the folded structure of the PVC heat shrink film slitting device provided in this application; Figure 7 This is a schematic diagram of the structure after the second threaded rod is connected to the threaded groove, as provided in this application.

[0015] The image shows: 1. First slide rail; 101. Second slide rail; 102. Slider; 103. Connecting block; 104. Hand-tightening bolt; 105. Threaded groove; 106. Stop block; 107. First T-shaped rod; 108. First connecting plate; 109. First slide groove; 110. First threaded rod; 111. Hand-tightening nut; 112. Stop plate; 113. Protrusion; 114. Groove; 115. Second connecting plate; 116. Second T-shaped rod; 117. Limiting rod; 118. Limiting groove; 119. Second slide groove; 120. Third T-shaped rod; 2. Connecting rod; 201. Second threaded rod; 202. Cutter. Detailed Implementation

[0016] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0017] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0018] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0019] For an example, please refer to... Figures 1-5A PVC heat shrink film slitting device includes a second slide rail 101 and two first slide rails 1 respectively rotatably connected to both sides of the second slide rail 101. A slider 102 is slidably connected inside the second slide rail 101. A connecting block 103 is fixedly connected to the slider 102. A connecting rod 2 is inserted through the connecting block 103. A knife groove is opened at the bottom end of the connecting rod 2, and a cutter 202 is installed in the knife groove. A second threaded rod 201 is fixedly connected to the top end of the connecting rod 2. A hand-tightening bolt 104 is threadedly connected to the side of the connecting block 103. A threaded groove 105 adapted to the second threaded rod 201 is opened at the handle of the hand-tightening bolt 104. The end of the hand-tightening bolt 104 away from the threaded groove 105 is connected to the connecting rod 201. The side abuts against the second slide rail 101, which can be rotated and folded with the two first slide rails 1. When the first slide rail 1 and the second slide rail 101 are unfolded, they can guide the slider 102 and the cutter 202, making the cutting neater. When the first slide rail 1 and the second slide rail 101 are folded, the length of the entire device is reduced, improving portability. When folded, the second threaded rod 201 can be screwed together with the threaded groove 105, so that the cutter 202 is protected between the first slide rail 1 and the second slide rail 101, reducing the possibility of damage to the cutter 202. The connecting block 103 is welded to the slider 102, and the connecting rod 2 is welded to the second threaded rod 201.

[0020] Furthermore, a fixing bolt is inserted between the connecting rod 2, the blade groove, and the cutter 202, and a nut is provided on the outer surface of the fixing bolt. The nut is equipped with an anti-loosening washer. After unscrewing the nut and pulling out the fixing bolt, the cutter 202 can be taken out from the blade groove. After placing the cutter 202 inside the blade groove, the fixing bolt is installed and the nut is tightened to complete the replacement of the cutter 202.

[0021] Furthermore, a limiting component is provided between the first slide rail 1 and the second slide rail 101. The limiting component includes several limiting rods 117 fixedly installed at the end of the first slide rail 1. Several limiting grooves 118 are provided at the end and on the front of the second slide rail 101. The limiting rods 117 are inserted into the corresponding limiting grooves 118. The stability between the first slide rail 1 and the second slide rail 101 can be improved by inserting the limiting rods 117 into the limiting grooves 118.

[0022] Furthermore, a connector is provided between the second slide rail 101 and the first slide rail 1. The connector includes a first T-shaped rod 107 installed on the top of the second slide rail 101. The first T-shaped rod 107 is fitted with a first connecting plate 108. A first groove 109 is provided on the first connecting plate 108. A first threaded rod 110 is inserted into the inner wall of the first groove 109. The bottom end of the first threaded rod 110 is fixedly connected to the top of the first slide rail 1. A hand-tightening nut 111 located above the first slide rail 1 is threaded on the outer surface of the first threaded rod 110. The end of the first T-shaped rod 107 near the first slide rail 1 is threaded, and the top of the first slide rail 1 is provided with a threaded opening. The first T-shaped rod 107 is connected to the threaded opening, and the first threaded rod 110 is welded to the first slide rail 1.

[0023] Furthermore, a baffle 112 is fitted on the outer surface of the first threaded rod 110 between the first connecting plate 108 and the hand-tightening nut 111. A protrusion 113 is fixedly connected to the bottom of the baffle 112. A groove 114 is opened on the top of the first connecting plate 108 to insert into the protrusion 113. After the groove 114 and the protrusion 113 are inserted, they can limit the first connecting plate 108 and further limit the first slide rail 1 to improve the stability of the connection between the first slide rail 1 and the second slide rail 101. The protrusion 113 is welded to the baffle 112.

[0024] Furthermore, two second T-shaped rods 116 are installed at the bottom of the second slide rail 101. Each of the two second T-shaped rods 116 is fitted with a second connecting plate 115. A second slide groove 119 is opened on the second connecting plate 115. A third T-shaped rod 120 is inserted into the inner wall of the second slide groove 119. The third T-shaped rod 120 is connected to the bottom of the first slide rail 1. The ends of the second T-shaped rods 116 and the third T-shaped rod 120 near the first slide rail 1 are also provided with threads. The bottom of the first slide rail 1 is also provided with two threaded holes. The second T-shaped rods 116 and the third T-shaped rod 120 are respectively connected to the two threaded holes.

[0025] Furthermore, the bottom of the first slide rail 1 is provided to protrude downward on the side away from the second slide rail 101, and the bottom surface of the protruding area is on the same plane as the bottom surface of the second T-shaped rod 116.

[0026] Furthermore, a stop 106 is installed inside the first slide rail 1. The stop 106 is located on the side of the first slide rail 1 away from the second slide rail 101, and the stop 106 is installed inside the first slide rail 1 by bolts.

[0027] When it is necessary to change the form of this application from Figure 1 Switch to Figure 6 In this state, after loosening the hand-tightening bolt 104, pull the connecting rod 2 to separate it from the connecting block 103. Then tighten the hand-tightening bolt 104 and screw the second threaded rod 201 and the threaded groove 105 together. At this time, the connecting rod 2 is in the following shape: Figure 7 As shown, loosen the hand-tightening nut 111 and pull the baffle 112 upward to separate the protrusion 113 and the groove 114. Pull the first slide rail 1 away from the second slide rail 101, separating the limiting rod 117 from the limiting groove 118. Then rotate the first slide rail 1 around the first T-shaped rod 107 so that the first slide rail 1 is perpendicular to the second slide rail 101. Push the first slide rail 1 towards the second slide rail 101 so that the limiting rod 117 and the limiting groove 118 are inserted together. Insert the protrusion 113 and the groove 114 together and then tighten the hand-tightening nut 111. Figure 6 As shown; When it is necessary to change the form of this application from Figure 6 Switch to Figure 1 In the specified state, loosen the hand-tightening nut 111 and pull the baffle 112 upward to separate the protrusion 113 and the groove 114, pull the first slide rail 1 away from the second slide rail 101, and separate the limiting rod 117 from the limiting groove 118. Then, rotate the first slide rail 1 around the first T-shaped rod 107 so that the first slide rail 1 rotates parallel to the end of the second slide rail 101. Then, push the first slide rail 1 towards the second slide rail 101 so that the limiting rod 117 and the limiting groove 118 are inserted together. Insert the protrusion 113 and the groove 114 together and tighten the hand-tightening nut 111. Separate the second threaded rod 201 from the threaded groove 105 and loosen the hand-tightening bolt 104. Insert the connecting rod 2 and the connecting block 103 together and tighten the hand-tightening bolt 104. Figure 1 As shown; When using, refer to Figure 1 Lay the PVC heat shrink film on the workbench, place the bottom of the first slide rail 1 and the second T-shaped rod 116 on the PVC heat shrink film, and align the cutter 202 with the cutting position of the PVC heat shrink film. Press the first slide rail 1 with your hand and push the connecting rod 2 to move, so that the slider 102 moves between the first slide rail 1 and the second slide rail 101. During the movement, the cutter 202 cuts the PVC heat shrink film. In addition to pressing the first slide rail 1 with your hand, you can also use existing clamps, such as F-type fixing clamps.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A PVC heat shrink film slitting device, characterized in that, The system includes a second slide rail (101) and two first slide rails (1) rotatably connected to both sides of the second slide rail (101). A slider (102) is slidably connected inside the second slide rail (101). A connecting block (103) is fixedly connected to the slider (102). A connecting rod (2) is inserted through the connecting block (103). A knife groove is provided at the bottom end of the connecting rod (2), and a cutter (202) is installed in the knife groove. A second threaded rod (201) is fixedly connected to the top end of the connecting rod (2). A hand-tightening bolt (104) is threadedly connected to the side of the connecting block (103). A threaded groove (105) adapted to the second threaded rod (201) is provided at the handle of the hand-tightening bolt (104). The end of the hand-tightening bolt (104) away from the threaded groove (105) abuts against the side of the connecting rod (2).

2. The PVC heat shrink film slitting device according to claim 1, characterized in that, The connecting rod (2), the blade groove and the cutter (202) are connected by a fixing bolt, and the outer surface of the fixing bolt is provided with a nut.

3. The PVC heat shrink film slitting device according to claim 1, characterized in that, A limiting element is provided between the first slide rail (1) and the second slide rail (101).

4. The PVC heat shrink film slitting device according to claim 3, characterized in that, The limiting component includes several limiting rods (117) fixedly installed at the end of the first slide rail (1). Several limiting grooves (118) are provided at the end and front of the second slide rail (101), and the limiting rods (117) are inserted into the corresponding limiting grooves (118).

5. The PVC heat shrink film slitting device according to claim 1, characterized in that, A connecting piece is provided between the second slide rail (101) and the first slide rail (1).

6. The PVC heat shrink film slitting device according to claim 5, characterized in that, The connector includes a first T-shaped rod (107) installed on the top of the second slide rail (101), the first T-shaped rod (107) is fitted with a first connecting plate (108), the first connecting plate (108) is provided with a first groove (109), the inner wall of the first groove (109) is inserted with a first threaded rod (110), the bottom end of the first threaded rod (110) is fixedly connected to the top of the first slide rail (1), and the outer surface of the first threaded rod (110) is threaded with a hand-tightening nut (111) located above the first slide rail (1).

7. The PVC heat shrink film slitting device according to claim 6, characterized in that, The outer surface of the first threaded rod (110) is also fitted with a baffle (112) located between the first connecting plate (108) and the hand-tightening nut (111). The bottom of the baffle (112) is fixedly connected with a protrusion (113), and the top of the first connecting plate (108) is provided with a groove (114) for inserting into the protrusion (113).

8. The PVC heat shrink film slitting device according to claim 7, characterized in that, Two second T-shaped rods (116) are installed at the bottom of the second slide rail (101). Each of the two second T-shaped rods (116) is fitted with a second connecting plate (115). A second slide groove (119) is opened on the second connecting plate (115). A third T-shaped rod (120) is inserted into the inner wall of the second slide groove (119). The third T-shaped rod (120) is connected to the bottom of the first slide rail (1).

9. The PVC heat shrink film slitting device according to claim 8, characterized in that, The bottom of the first slide rail (1) is set to protrude downward on the side away from the second slide rail (101), and the bottom surface of the protruding area is on the same plane as the bottom surface of the second T-shaped rod (116).

10. The PVC heat shrink film slitting device according to claim 1, characterized in that, A stop (106) is installed inside the first slide rail (1), and the stop (106) is located on the side of the first slide rail (1) away from the second slide rail (101).

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