Floating cutter structure of heat-shrinkable sleeve cutting equipment

Abstract

The utility model discloses a floating cutter structure of heat-shrinkable sleeve cutting equipment, which is suitable for automatically cutting a heat-shrinkable sleeve on the surface of a copper bar and simultaneously improving the cutting efficiency and the cutting quality, and comprises a base, a sliding seat, a sliding block, an air cylinder and a cutter, the sliding seat is installed on the base and provided with a sliding groove. The sliding block is arranged in the sliding groove in a sliding fit mode, the upper surface and the lower surface of the sliding block are each provided with a shaft part abutting against the inner wall of the sliding groove, and a connecting opening is formed in the end of the sliding block. The air cylinder is installed at the end of the sliding seat, and an air cylinder connector of the air cylinder is movably matched in the connecting opening so that transmission connection between the air cylinder and the sliding block can be achieved. And the cutter is mounted on the sliding block.

Description

TECHNICAL FIELD

[0001] The utility model belongs to copper bar sleeve technology field especially points to a kind of floating cutter structure of heat shrinkable sleeve cutting equipment. BACKGROUND

[0002] In production and processing process, the surface of copper bar is usually wrapped with heat shrinkable sleeve of specific color, which is used for distinguishing phase sequence and insulation protection. Generally, the size of heat shrinkable sleeve after shrinking is not completely controllable, which may cover the end of copper bar, lap hole and the like, so that the excess heat shrinkable sleeve wrapped on the surface of copper bar needs to be removed in actual use. At present, the cutting work of heat shrinkable sleeve on the surface of copper bar is mainly performed by manual work, which has the disadvantages of low cutting efficiency and high labor intensity, and the cutting quality is highly dependent on the experience, operation method and responsibility of workers, and the surface of copper bar is easily scratched.

[0003] Several problems in using mechanical cutting for copper bar are as follows:

[0004] (1) The displacement of cutter can be accurately controlled by using motor and screw rod, so as to improve cutting precision, but the combined action rate of motor and screw rod is too low, which finally leads to too low cutting efficiency.

[0005] (2) The action rate of cylinder and hydraulic cylinder can be relatively fast, but the output force is relatively large, which may damage the surface of copper bar and cause defective products; and the cylinder and hydraulic cylinder are usually fixed stroke, so that a single device can only adapt to a single size of product, and production flexibility is low. INVENTION CONTENTS

[0006] The main purpose of the utility model is to provide a floating cutter structure of heat shrinkable sleeve cutting equipment, which solves the problems in the prior art, is suitable for automatically cutting heat shrinkable sleeve on the surface of copper bar, and simultaneously improves cutting efficiency and cutting quality.

[0007] In order to achieve the above purpose, the solution of the utility model is as follows:

[0008] A floating cutter structure of heat shrinkable sleeve cutting equipment, comprising a base, a sliding seat, a sliding block, a cylinder and a cutter; the sliding seat is installed on the base and is provided with a sliding groove; the sliding block is slidingly fitted in the sliding groove, the upper and lower surfaces of the sliding block are both provided with shaft portions abutting against the inner walls of the sliding groove, and the end portion of the sliding block is provided with a connecting port; the cylinder is installed at the end portion of the sliding seat, and the cylinder joint of the cylinder is movably fitted in the connecting port to realize the transmission connection between the cylinder and the sliding block; and the cutter is installed on the sliding block.

[0009] One of the upper and lower surfaces of the sliding block is provided with a round head pin and a spring between the inner wall of the sliding groove; the spring and the round head pin are embedded in the counterbore formed on the surface of the sliding block in sequence, the round head pin is extended out of the surface of the sliding block and abuts against the inner wall of the sliding groove under the action of the spring, and is used for driving the sliding block to reset.

[0010] The inner wall of the connecting port is convexly formed with a cambered surface.

[0011] The upper and lower sides of the sliding groove are both provided with first limiting plates.

[0012] The left and right sides of the sliding groove are both provided with second limiting plates; the air cylinder is installed on one of the second limiting plates, and the air cylinder joint is arranged on the second limiting plate.

[0013] The cutter is provided with a thermocouple and a heating rod; and a heat insulation pad is arranged between the sliding block and the cutter.

[0014] The cutting edge of the cutter is provided with an arc-shaped cutting edge.

[0015] The base is provided with a moving plate for mounting the sliding base, a lead screw for driving the moving plate, and a motor for driving the lead screw.

[0016] Preferably, the base is provided with a sliding rail for sliding cooperation of the moving plate, and a lead screw fixing seat for mounting the lead screw.

[0017] Preferably, the moving plate is provided with a lead screw nut for threaded connection of the lead screw.

[0018] After the above technical scheme is adopted, the utility model has the following technical effects:

[0019] When the floating cutter structure of the utility model outputs power, the air cylinder drives the sliding block and the cutter thereon to move along the direction of the sliding groove, the cutter gradually approaches the copper bar to be cut on the heat shrinkable sleeve cutting equipment, and when the cutter contacts the copper bar to be cut and is subjected to the reaction force of the copper bar / heat shrinkable sleeve, the movable gap between the air cylinder joint and the connecting port can avoid rigid connection, so that the sliding block and the cutter swing around the shaft part as the fulcrum, and then the cutter can adapt to the shape of the side surface of the copper bar, is more fitted to the copper bar to improve the cutting efficiency and quality, and does not damage the surface of the copper bar. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the equipment provided with the embodiment of the utility model.

[0021] Figure 2 It is a front view of the embodiment of the utility model.

[0022] Figure 3The top view of the embodiment of the utility model.

[0023] Figure 4 The main view (hidden cutter) of part structure of the embodiment of the utility model.

[0024] Figure 5 The exploded view of part structure of the embodiment of the utility model.

[0025] Explanation of reference numerals:

[0026] 1-base; 2-sliding seat; 21-sliding groove; 3-sliding block; 31-axial part; 32-connection port; 33-curved surface; 4-cylinder; 41-cylinder joint; 5-cutter; 51-curved cutting edge; 6-round head pin; 7-spring; 8-first limit plate; 9-second limit plate; 10-thermocouple; 20-heating rod; 30-heat insulation pad; 40-moving plate; 50-screw rod; 60-motor; 70-sliding rail; 80-screw rod fixing base; 90-screw rod nut; 100-heat shrink sleeve cutting equipment; 200-cutting station. DETAILED DESCRIPTION

[0027] In order to further explain the technical scheme of the utility model, the utility model will be described in detail through specific embodiments.

[0028] Reference Figures 1-5 As shown in the figure, the utility model discloses a kind of floating cutter structure of heat shrink sleeve cutting equipment 100, including base 1, sliding seat 2, sliding block 3, cylinder 4 and cutter 5;

[0029] Sliding seat 2 is installed on base 1, and is provided with sliding groove 21;

[0030] Sliding block 3 is slidably fitted in sliding groove 21, and the upper and lower surfaces thereof are provided with abutting sliding groove 21 inner wall, axial part 31 with curved section, and the end of sliding block 3 is provided with connection port 32;

[0031] Cylinder 4 is installed at the end of sliding seat 2, and cylinder joint 41 thereof is movably fitted in connection port 32 to realize the transmission connection of cylinder 4 and sliding block 3;

[0032] Cutter 5 is installed on sliding block 3 by screw locking and the like, so as to be replaced.

[0033] Through the above scheme, the floating cutter structure of the utility model, when the air cylinder 4 outputs power, the air cylinder 4 will push the sliding block 3 and the cutter 5 on it to move along the direction of the sliding groove 21, and the cutter 5 gradually approaches the copper bar to be cut on the heat shrinkable sleeve cutting equipment 100, when the cutter 5 contacts the copper bar to be cut and is subjected to the reaction force of the copper bar / heat shrinkable sleeve, the movable gap between the air cylinder joint 41 and the connecting port 32 can avoid rigid connection, so that the sliding block 3 and the cutter 5 swing with the shaft part 31 as the fulcrum, and then the cutter 5 can adapt to the shape of the side surface of the copper bar, and is more fitted to the copper bar to improve the cutting efficiency and quality, and the surface of the copper bar is not damaged.

[0034] The specific embodiment of the utility model is shown below.

[0035] Reference Figure 1 As shown in the figure, the utility model is applied to the heat shrinkable sleeve cutting equipment 100. The cutting station 200 is arranged on the machine table of the heat shrinkable sleeve cutting equipment 100, and a group of the utility model is arranged on the cutting station 200 in the left-right direction respectively, which is used for cutting the side surface of the copper bar.

[0036] Reference Figures 2-5 As shown in the figure, the specific is the side cutter assembly located on the left side of the cutting station 200 (the structure on the right side is the same, and the direction of the parts is mirror-symmetrical) :

[0037] The upper and lower surfaces of the sliding block 3 are provided with the round head pin 6 and the spring 7 between the inner wall of the sliding groove 21; the spring 7 and the round head pin 6 are sequentially embedded in the counterbore formed on the surface of the sliding block 3, and the round head pin 6 extends out of the surface of the sliding block 3 and abuts against the inner wall of the sliding groove 21 under the action of the spring 7, which is used for driving the sliding block 3 to reset. Therefore, by arranging the round head pin 6 and the spring 7, the cutter 5 has an initial direction before contacting the copper bar, so that the initialization of the cutter 5 and the reset after cutting are realized.

[0038] The inner wall of the connecting port 32 is provided with the cambered surface 33, so as to adapt to the swing of the sliding block 3.

[0039] The first limiting plate 8 is installed on the upper and lower sides of the sliding groove 21, so as to prevent the sliding block 3 from falling out of the side of the sliding groove 21.

[0040] The second limiting plate 9 is installed on the left and right sides of the sliding groove 21, so as to prevent the sliding block 3 from falling out of the end of the sliding groove 21; meanwhile, the air cylinder 4 is installed on one of the second limiting plates 9, and the air cylinder joint 41 is arranged in the second limiting plate 9.

[0041] The cutting knife 5 is provided with a thermocouple 10 and a heating rod 20, which are used for heating the cutting knife 5 and increasing the temperature, so that the heat-shrinkable sleeve can be cut, the heat-shrinkable sleeve on the surface of the copper bar can be cut more efficiently without increasing the pressure of the cutting knife on the copper bar or back and forth cutting, the surface of the copper bar is prevented from being damaged, and the cutting efficiency and cutting quality are improved.

[0042] Further, the sliding block 3 and the cutting knife 5 are provided with a heat insulation pad 30, which is used for blocking heat conduction and preventing the parts outside the cutting knife 5 from being overheated.

[0043] The cutting edge of the cutting knife 5 is provided with an arc-shaped cutting edge 51, which is used for matching the arc-shaped left and right sides of the copper bar.

[0044] The base 1 is provided with a moving plate 40 for mounting the sliding block 2, a lead screw 50 for driving the moving plate 40, and a motor 60 for driving the lead screw 50. Thus, the motor 60 drives the lead screw 50 to rotate to drive the moving plate 40 to move linearly, so that the sliding block 2 moves linearly. Since the output stroke of the cylinder 4 is fixed, the position of the sliding block 2 can be adjusted by the motor 60 and the lead screw 50 to adjust the initial position of the cutting knife 5, so that the cutting knife 5 can be adapted to copper bars with different sizes (widths). That is, the motor 60 is responsible for adjusting the position of the cutting knife 5, and the cylinder 4 is responsible for providing power for the cutting action of the cutting knife 5. Since the cylinder can perform the action quickly, the flexibility and fast production can be met at the same time.

[0045] Further, the base 1 is provided with a sliding rail 70 for sliding cooperation with the moving plate 40 and a lead screw fixing seat 80 for mounting the lead screw 50.

[0046] Meanwhile, the moving plate 40 is provided with a lead screw nut 90 for threaded connection with the lead screw 50.

[0047] The above embodiments and drawings are not limited to the product form and style of the utility model, and any appropriate changes or modifications made by any ordinary skilled person in the art shall be considered as not departing from the patent category of the utility model.

Claims

1. A floating cutter structure of a heat-shrinkable sleeve cutting device, characterized in that: comprising a base, a sliding seat, a sliding block, a cylinder and a cutter; the sliding seat is installed on the base and is provided with a sliding groove; the sliding block is slidingly fitted in the sliding groove, and the upper and lower surfaces of the sliding block are both provided with shaft portions abutting against the inner walls of the sliding groove, and the end portion of the sliding block is provided with a connecting port; the cylinder is installed at the end portion of the sliding seat, and the cylinder joint is movably fitted in the connecting port to achieve the transmission connection between the cylinder and the sliding block; and the cutter is installed on the sliding block.

2. The floating cutter structure of the heat-shrinkable sleeve cutting device according to claim 1, characterized in that: one of the upper and lower surfaces of the sliding block is provided with a round head pin and a spring between the inner wall of the sliding groove; the spring and the round head pin are sequentially embedded in the counterbore formed in the surface of the sliding block, the round head pin extends out of the surface of the sliding block under the action of the spring and abuts against the inner wall of the sliding groove, and is used for driving the sliding block to reset.

3. The floating cutter structure of the heat-shrinkable sleeve cutting device according to claim 1, characterized in that: the inner wall of the connecting port is convexly formed with a curved surface.

4. The floating cutter structure of the heat-shrinkable sleeve cutting device according to claim 1, characterized in that: the upper and lower sides of the sliding groove are both installed with first limiting plates.

5. The floating cutter structure of the heat-shrinkable sleeve cutting device according to claim 1, characterized in that: the left and right sides of the sliding groove are both installed with second limiting plates; the cylinder is installed on one of the second limiting plates, and the cylinder joint is provided through the second limiting plate.

6. The floating cutter structure of the heat-shrinkable sleeve cutting device according to claim 1, characterized in that: the cutter is installed with a thermocouple and a heating rod; and a heat insulation pad is arranged between the sliding block and the cutter.

7. The floating cutter structure of the heat-shrinkable sleeve cutting device according to claim 1, characterized in that: an arc-shaped cutting edge is arranged on the cutting edge of the cutter.

8. The floating cutter structure of the heat-shrinkable sleeve cutting device according to any one of claims 1 to 7, characterized in that: the base is provided with a moving plate for installing the sliding seat, a lead screw for driving the moving plate, and a motor for driving the lead screw.

9. The floating cutter structure of the heat-shrinkable sleeve cutting device according to claim 8, characterized in that: the base is provided with a sliding rail for slidingly fitting the moving plate, and a lead screw fixing seat for installing the lead screw.

10. The floating cutter structure of the heat-shrinkable sleeve cutting device according to claim 8, characterized in that: the moving plate is installed with a lead screw nut for threadedly connecting the lead screw. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Images