PE pipe cutting device

Abstract

The utility model discloses a PE pipe cutting device which comprises a shell frame, a screw rod is connected to the shell frame through threads, the bottom end of the screw rod is connected with a knife rest, the knife rest is located on the inner side of the shell frame, a knife board is installed on the knife rest, a base is arranged at the bottom of the shell frame, an assembly box is fixed to the top of the shell frame, and the assembly box is fixed to the bottom of the shell frame. Two supporting assemblies are installed in the assembly box, and each supporting assembly is provided with a driving gear and a driven gear. The assembly box, the supporting assembly, the driving gear, the driven gear, the synchronous sliding hole and the synchronous block are designed, the tooth number ratio of the driving gear to the driven gear is 1: 3, then the rotating speed ratio of the driving gear to the driven gear is 1: 3, and the synchronous block is matched with the synchronous sliding hole, so that the driven gear and the screw keep rotating synchronously. The hand lever is rotated to drive the driving gear to rotate, the driving gear and the driven gear are in meshing transmission, the screw is driven to rotate at the three-time rotating speed, and the cutting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to PE tubular product cutting device technical field, specifically related to a PE tubular product cutting device. BACKGROUND

[0002] PE tubular product cutting device is a kind of device for PE tubular product manual cutting during on-site construction, shell frame is wrapped on tubular product, is fixed by base wrapping, then hand rotates screw rod assembly, screw rod assembly is driven knife rest to descend by screwing thread, and the cutter plate on the knife rest cuts tubular product.

[0003] The existing PE tubular product cutting device is pressed down cutter plate by screw rod screwing during use, and cutter plate cuts tubular product, but there are the following defects: (1) PE tubular product cutting device manual construction, rotate screw rod to drive cutter plate to move downward and cut tubular product, but its rotating screw rod is too much, so that it cuts time-consuming and laborious, and the problem of low efficiency, for this purpose, we propose a kind of PE tubular product cutting device. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of PE tubular product cutting device, to solve the problem of low cutting efficiency of PE tubular product cutting device in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of PE tubular product cutting device, including shell frame, the shell frame is connected with screw rod by screw thread, the bottom end of the screw rod is connected with knife rest, and the knife rest is in the inside of shell frame, the cutter plate is installed on the knife rest, the bottom of the shell frame is provided with base, the top of the shell frame is fixed with component box, two support assemblies are installed in the inside of component box, and driving gear and driven gear are respectively installed on each support assembly, the screw rod is penetrated in component box and driven gear, synchronous sliding hole is opened in the outer wall of the screw rod, the inside of synchronous sliding hole is provided with synchronous block, the synchronous block is fixed on driven gear, the top of component box is penetrated with hand bar, the bottom end of hand bar is connected on driving gear, the surface of hand bar is equipped with antiskid sleeve.

[0006] Preferably, the support assembly is composed of an outer cylinder and a support sleeve, and the outer cylinder is sleeved outside the support sleeve.

[0007] Preferably, the outer wall of the support sleeve is provided with a side groove with a circular cross section, and the inner side of the side groove is provided with a side block fixed on the inner wall of the outer cylinder.

[0008] Preferably, the cross sections of the support sleeve and the outer cylinder are both circular structures, and the central axes of the support sleeve and the outer cylinder coincide with each other.

[0009] Preferably, the side of the driving gear and the driven gear is respectively provided with a supporting plate, and the supporting plate is fixed on the inner wall of the assembly box.

[0010] Preferably, the longitudinal section of the supporting plate is L-shaped structure.

[0011] Preferably, a spherical groove is formed on the surface of the supporting plate, and the spherical groove is inlaid with a ball.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) through the design of the assembly box, the supporting assembly, the driving gear, the driven gear, the synchronous sliding hole and the synchronous block, the ratio of the number of teeth of the driving gear and the driven gear is 1:3, and the ratio of the rotating speed of the driving gear and the driven gear is 1:3; the synchronous block and the synchronous sliding hole are matched, the driven gear and the screw rod keep synchronous rotation, when cutting the pipe material, the hand lever drives the driving gear to rotate, the driving gear and the driven gear are engaged and are transmitted, the screw rod rotates at three times the rotating speed, the cutting efficiency is improved, through the design of the side block and the side groove, the side block is arranged in the inside of the side groove, the supporting sleeve is limited, the supporting sleeve is prevented from shaking up and down in the outer cylinder, through the design of the supporting plate, the driving gear and the driven gear are righted and held, the inclination is prevented, through the design of the ball, the lubrication effect is achieved, and the abrasion between the supporting plate and the gear is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is the internal structure section view of the assembly box of the utility model;

[0016] Figure 3 It is the utility model Figure 2 in the enlarged view of A;

[0017] Figure 4 It is the driving gear and the driven gear assembly bottom view in the assembly box of the utility model;

[0018] In the drawing: 1, shell frame; 2, knife holder; 3, knife plate; 4, base; 5, assembly box; 6, hand lever; 7, anti-skid sleeve; 8, screw rod; 9, synchronous sliding hole; 10, driving gear; 11, supporting plate; 12, ball; 13, supporting assembly; 14, driven gear; 15, outer cylinder; 16, side groove; 17, side block; 18, supporting sleeve; 19, synchronous block. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Embodiment

[0021] Please refer to Figures 1 to 4 The utility model provides a technical scheme: a PE pipe cutting device, including shell frame 1, the shell frame 1 is connected through screw thread screw rod 8, the bottom of screw rod 8 is connected with tool rest 2, and tool rest 2 is at the inboard of shell frame 1, install the tool plate 3 on tool rest 2, the bottom of shell frame 1 is provided with base 4, the top of shell frame 1 is fixed with component box 5, the inside installation of component box 5 has two support components 13, and respectively install driving gear 10 and driven gear 4 on every support component 13, screw rod 8 is through component box 5 and driven gear 14, synchronous sliding hole 9 is seted up on the outer wall of screw rod 8, synchronous sliding hole 9 is provided with synchronous block 19 in the inside, synchronous block 19 is fixed on driven gear 14, the top of component box 5 is through hand lever 6, through the design component box 5, support component 13, driving gear 10, driven gear 4, synchronous sliding hole 9 and synchronous block 19, the ratio of the number of teeth of driving gear 10 and driven gear 4 is 1:3, and then the ratio of the rotating speed of driving gear 10 and driven gear 4 is 1:3, synchronous block 19 and synchronous sliding hole 9 cooperate, make driven gear 4 and screw rod 8 keep synchronous rotation, when cutting pipe, rotate hand lever 6 and drive driving gear 10 to rotate, driving gear 10 and driven gear 4 engage transmission, drive screw rod 8 to rotate at three times speed, improve cutting efficiency, the bottom of hand lever 6 is connected in driving gear 10, the surface of hand lever 6 is equipped with antiskid sleeve 7, support component 13 is composed of outer tube 15 and support sleeve 18, and outer tube 15 is equipped in the outside of support sleeve 18, the outer wall of support sleeve 18 is seted up with the lateral groove 16 of circular shape cross section, the inboard of lateral groove 16 is provided with side block 17, through the design of side block 17 and lateral groove 16, side block 17 is placed in the inside of lateral groove 16, and side block 17 is fixed on the inner wall of outer tube 15, and the cross section of support sleeve 18 and outer tube 15 is circular structure, and the central axis of support sleeve 18 and outer tube 15 both is mutually coincident.

[0022] In the embodiment, preferably, the side of the driving gear 10 and the side of the driven gear 14 are respectively provided with a supporting plate 11, the driving gear 10 and the driven gear 14 are supported by the supporting plate 11, the supporting plate 11 is fixed on the inner wall of the assembly box 5, the longitudinal section of the supporting plate 11 is L-shaped structure, the surface of the supporting plate 11 is provided with a spherical groove, and the spherical groove is inlaid with a ball 12, the ball 12 plays a lubricating role and reduces the wear between the supporting plate 11 and the gear.

[0023] The working principle and use process of the utility model are as follows: the ratio of the number of teeth of the driving gear 10 and the driven gear 4 is 1:3, and the ratio of the rotating speed of the driving gear 10 and the driven gear 4 is 1:3; the synchronous block 19 and the synchronous sliding hole 9 are matched, the driven gear 4 and the screw rod 8 are kept synchronous rotation, when cutting the pipe material, the hand lever 6 drives the driving gear 10 to rotate, the driving gear 10 and the driven gear 4 are engaged and driven, the screw rod 8 rotates at three times the speed, and the cutting efficiency is improved.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PE pipe cutting device, comprising a frame (1), wherein a screw (8) is threadedly connected to the frame (1), a blade holder (2) is connected to the bottom end of the screw (8), and the blade holder (2) is located inside the frame (1), a blade plate (3) is mounted on the blade holder (2), and a base (4) is provided at the bottom of the frame (1), characterized in that: The top of the shell frame (1) is fixed with an assembly box (5), two support assemblies (13) are installed in the interior of the assembly box (5), and a driving gear (10) and a driven gear (14) are respectively installed on each support assembly (13), the screw rod (8) penetrates through the assembly box (5) and the driven gear (14), the outer wall of the screw rod (8) is provided with a synchronous sliding hole (9), the interior of the synchronous sliding hole (9) is provided with a synchronous block (19), the synchronous block (19) is fixed on the driven gear (14), the top end of the assembly box (5) penetrates through a hand rod (6), the bottom end of the hand rod (6) is connected to the driving gear (10), and the surface of the hand rod (6) is provided with an antiskid sleeve (7).

2. A PE pipe cutting apparatus as claimed in claim 1, wherein: The support assembly (13) is composed of an outer cylinder (15) and a support sleeve (18), and the outer cylinder (15) is sleeved outside the support sleeve (18).

3. A PE pipe cutting apparatus as claimed in claim 2, wherein: The outer wall of the support sleeve (18) is provided with a side groove (16) with a circular cross section, and the inner side of the side groove (16) is provided with a side block (17) fixed on the inner wall of the outer cylinder (15).

4. A PE pipe cutting apparatus as claimed in claim 2, wherein: The cross sections of the support sleeve (18) and the outer cylinder (15) are circular structures, and the central axes of the support sleeve (18) and the outer cylinder (15) coincide with each other.

5. A PE pipe cutting apparatus as claimed in claim 1, wherein: The side portions of the driving gear (10) and the driven gear (14) are respectively provided with a supporting plate (11) fixed on the inner wall of the assembly box (5).

6. A PE pipe cutting apparatus as claimed in claim 5, wherein: The longitudinal section of the supporting plate (11) is an L-shaped structure.

7. A PE pipe cutting apparatus as claimed in claim 6, wherein: The surface of the supporting plate (11) is provided with a spherical groove, and the spherical groove is inlaid with a ball (12).

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