Buffer device of automatic binding tool

Abstract

The utility model discloses a buffer device of an automatic binding tool. The buffer device comprises a rack, a conveying guide rail and an elastic part, an inner cavity capable of containing the head of the ribbon is formed in the conveying guide rail, and the conveying guide rail is a square tubular part formed by combining two parts or integrally formed. The cross section of the inner cavity is larger than the cross section of one ribbon head, the cross section of the inner cavity can only contain the cross section of at most one ribbon head, and a gap is reserved between the cross section of the inner cavity and the cross section of the ribbon head. A wider guide groove for guiding the head of the ribbon and a narrower guide groove for guiding the body of the ribbon are formed in the rack, and the narrower guide groove in the rack can only allow the body of the ribbon to pass through and cannot allow the head of the ribbon to pass through; the wider guide groove and the narrower guide groove on the rack are connected end to end in the length direction to form two steps, and the elastic part is arranged at the joint of the wider guide groove and the narrower guide groove on the rack.

Description

Technical Field

[0001] The invention relates to an automatic cable tie tool, in particular to a buffer device of the automatic cable tie tool. Background Art

[0002] The existing automatic cable tie equipment or automatic cable tie tools that use hoses to transport cable ties all use compressed air to transport the cable tie from the main machine to the strapping work head for positioning, and the strapping work head performs perforation, tightening and cutting or not cutting the tail of the cable tie; after experimental testing, the speed of the cable tie when it passes through a 1-3 meter long conveying pipe to reach the strapping work head is close to the speed of an air gun bullet, about 30-60 meters per second, and the strapping work head is generally provided with static or dynamic blocking parts or structures to stop after entering the strapping work head at high speed and position the cable tie head; the static or dynamic blocking parts or structures in the strapping work head are generally made of hard metal, and the static or dynamic blocking parts or structures in the strapping work head force the cable tie to stop from a high speed of about 30-60 meters per second (so that its speed is quickly reduced to 0), which will generate a high impact force on the cable tie head, causing the cable tie head to break; in order to solve this problem, the inventor has designed a buffer device for an automatic cable tie tool. Summary of the invention

[0003] The purpose of the present invention is to provide a buffer device for an automatic cable tie tool designed to solve the problem that a large impact occurs when the cable tie is transported from a main machine to a bundling working head of an existing automatic cable tie tool, causing the cable tie head to burst.

[0004] The present invention is realized by the following technical scheme, a buffer device of an automatic cable tie tool, comprising: a frame, a conveying guide rail and an elastic part are arranged on an automatic cable tie tool; an inner cavity capable of accommodating a cable tie head is arranged inside the conveying guide rail, the conveying guide rail is composed of two parts or an integrally formed square tubular part, the inner cavity of the conveying guide rail is designed to be a straight line or a combination of a straight line segment and a curved segment in the length direction; the cross section of the inner cavity is larger than the cross section of a cable tie head and the cross section of the inner cavity can accommodate no more than one cable tie head at most. The cross section of the head of the cable tie is shaped so as to be narrow and long and leave a gap (the cross-sectional area of ​​the inner cavity of the curved section of the guide rail is allowed to be designed to be larger); the frame is provided with a wider guide groove for guiding the head of the cable tie and a narrower guide groove for guiding the body of the cable tie, the narrower guide groove on the frame can only allow the body of the cable tie to pass through but not the head of the cable tie, the wider guide groove and the narrower guide groove on the frame are connected end to end in the length direction and form two steps, and the elastic part is arranged at the connection between the wider guide groove and the narrower guide groove on the frame (i.e., the positioning position of the head of the cable tie).

[0005] The cable tie is pushed from the conveying guide rail to the frame, and the cable tie head is blocked by the elastic part when it reaches the connection between the wider guide groove in the frame and the narrower guide groove in the frame.

[0006] The elastic parts may be entirely made of soft rubber and fixed on the frame.

[0007] Alternatively, the elastic component is configured to be formed by a soft rubber layer bonded to a hard rubber layer and laminated together.

[0008] When the elastic part is configured to be formed by superimposing and compounding a soft rubber layer bonded to a hard rubber layer, the soft rubber layer is arranged outside and can contact the front end of the cable tie head.

[0009] The elastic part made of soft rubber is arranged in an L shape and is provided with a mounting hole for easy installation on the rack;

[0010] Alternatively, the elastic component and the soft rubber protective skin are made into one piece, and a pressing plate is used to fix the elastic component and the soft rubber protective skin on the frame.

[0011] The hardness of the soft rubber is generally Shore A 70-95 degrees.

[0012] Alternatively, the elastic part is made of metal or hard non-metal and is mounted on the frame via a spring or a spring sheet, and can be deformed when subjected to a certain external force.

[0013] Alternatively, the elastic part is made integrally with the frame and a groove is formed on the frame, and the groove formed on the frame is used to make the frame partially thinner and deformable when impacted.

[0014] The conveying guide rail is connected to a wider guide groove of the frame, or the conveying guide rail directly extends into the interior of the frame and the conveying guide rail and the frame together form a wider guide groove.

[0015] The rack is an integral part, or the rack is split into a rack body and a rack cover.

[0016] When the elastic part is integrated with the frame, the frame is generally made of steel with good elasticity or spring steel.

[0017] The beneficial effects of the present invention are:

[0018] It reduces the hard impact of the automatic cable tie tool on the cable tie head, greatly reduces the impact force of the frame on the cable tie head, effectively prevents the cable tie head from breaking, and improves the working stability of the automatic cable tie tool;

[0019] Cable ties are generally made of nylon. Especially in low temperature environments, nylon cable ties are very sensitive to temperature and humidity. The lower the temperature, generally speaking, the lower the humidity will be, causing the cable ties to be harder and more brittle under low temperature and low humidity conditions. The patented technical solution can effectively prevent the cable tie head from bursting under low temperature or low humidity conditions, thereby improving the applicability of automatic cable tie machine tools to different climates. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an axonometric view of a buffer device of an automatic cable tie tool, with two elastic parts symmetrically arranged on the left and right;

[0021] Figure 2 This is an axonometric view of a buffer device for an automatic cable tie tool, where the elastic part is composed of a soft rubber layer and a hard rubber layer;

[0022] Figure 3 It is an axonometric view of a buffer device of an automatic cable tie tool, wherein the elastic part is made of metal or hard non-metal; or the elastic part is made into one piece with the frame and slotted;

[0023] Figure 4 This is an axonometric view of the buffer device of an automatic cable tie tool, where the elastic parts and the soft rubber protective skin are made into one piece;

[0024] Figure 5 It is a three-dimensional structure that displays elastic parts and soft rubber protective skin.

[0025] Figure 6 This is the structure after the soft rubber protective skin and elastic parts are removed, showing the installation relationship between the soft rubber protective skin and elastic parts and the frame.

[0026] Reference numerals:

[0027] 0. Automatic cable tie tool; 1. Frame; 12. Slot (on the frame); 2. Elastic parts; 20. Soft rubber protective skin; 21. Hard rubber layer; 22. Soft rubber layer; 23. Buffer surface; 24. Mounting hole; 25. Press plate; 3. Wider guide groove; 4. Cable tie head positioning position; 5. Narrower guide groove; 6. Conveyor rail. DETAILED DESCRIPTION

[0028] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 ,and Figure 6 As shown, a buffer device of an automatic cable tie tool comprises: a frame 1 and a conveying guide rail 6 are arranged on an automatic cable tie tool 0 (the conveying guide rail 6 is inside the automatic cable tie tool, Figure 1 , 2 , not shown in 3, Figure 4 and Figure 6 The conveying guide rail 6 is provided with an inner cavity capable of accommodating the head of the cable tie, and the conveying guide rail 6 is composed of two parts or an integrally formed square tubular part, and the inner cavity of the conveying guide rail 6 is designed to be a straight line or a combination of a straight line segment and a curved line segment in the length direction; the cross-section of the inner cavity is larger than the cross-section of a cable tie head and the cross-section of the inner cavity can only accommodate the cross-section of no more than one cable tie head and leave a gap (the cross-sectional area of ​​the inner cavity of the curved section of the guide rail is allowed to be designed larger); the frame 1 is provided with a wider guide groove 3 for guiding the cable tie head and a narrower guide groove 3 for guiding the cable tie body. The guide groove 5 of the frame 1, the narrower guide groove 5 on the frame 1 can only allow the body of the cable tie to pass through but not the head of the cable tie to pass through, the wider guide groove 3 on the frame 1 is connected with the narrower guide groove 5 in the length direction and forms two steps, and the elastic part 2 is arranged at the connection between the wider guide groove 3 and the narrower guide groove 5 on the frame 1 (i.e., the cable tie head positioning position 4); the cable tie is pushed from the conveying guide rail 6 to the frame 1, and the head of the cable tie is blocked by the elastic part 2 when it reaches the connection between the wider guide groove 3 in the frame 1 and the narrower guide groove 5 in the frame (the cable tie head positioning position).

[0030] like Figure 1 As shown, the elastic part 2 is symmetrically arranged on the frame 1; the soft rubber is set in an L shape, and a mounting hole 24 is set on the elastic part 2, and the elastic part 2 is fixed to the frame 1 with screws or pins to facilitate replacement and disassembly.

[0031] like Figure 2 As shown, the elastic part 2 is configured to be a superimposed composite of a soft rubber layer 22 bonded to a hard rubber layer 21, and the purpose of providing the hard rubber layer 21 is to allow the soft rubber layer to be shaped; similarly, the elastic part 2 formed by the superimposed composite of the soft rubber layer 22 bonded to the hard rubber layer 21 is configured to be L-shaped, and is provided with a mounting hole 24 for easy fixation on the frame 1; when the elastic part 2 is configured to be a superimposed composite of the soft rubber layer 22 bonded to the hard rubber layer 21, the soft rubber layer 22 is arranged on the outside to be able to contact the front end of the cable tie head.

[0032] Figure 1 and Figure 2 In the invention, the hardness of the soft rubber is generally Shore A 70-95 degrees.

[0033] like Figure 3As shown, the elastic part 2 is made of metal or hard non-metal, and can be deformed when subjected to a certain external force; when the elastic part 2 is made of metal or hard non-metal, a spring or a spring sheet (not shown in the figure) is also required to be arranged between the elastic part 2 and the frame 1, and when the cable tie head rushes over and contacts the buffer surface 23 of the elastic part 2, the elastic part 2 can change position or deform relative to the frame 1.

[0034] like Figure 3 As shown, the elastic part 2 is made into one piece with the frame 1 and is grooved on the frame 1. The groove on the frame 1 makes the frame 1 partially thinner (the locally thinned part is equivalent to the elastic part 2), and the locally thinned part on the frame 1 can be deformed when impacted; when the elastic part 2 is made into one piece with the frame 1, the frame 1 is generally made of steel with good elasticity.

[0035] like Figure 4 , Figure 5 and Figure 6 As shown, a soft rubber protective skin 21 is provided on the frame 1 (the function of the soft rubber protective skin 21 is to prevent the edge of the frame from scratching the bundled products), and the elastic part 2 and the soft rubber protective skin 21 are made into one piece, and the elastic part 2 and the soft rubber protective skin 21 are fixed to the frame 1 by using a pressing plate 25.

[0036] like Figure 1 , Figure 2 and Figure 6 As shown, a slot 12 is also provided on the frame 1 to facilitate installation of the elastic part 2

[0037] The conveying guide rail 6 is connected to the wider guide groove 3 of the frame 1 , or the conveying guide rail 6 directly extends into the inside of the frame 1 and the conveying guide rail 6 and the frame 1 together form a wider guide groove 3 .

[0038] The rack 1 is an integral part, or the rack 1 is split into a rack body and a rack cover.

[0039] Supplementary explanation: The guide groove in this specification refers to a hollow groove composed of three surfaces, including two side surfaces and a bottom surface; the wider guide groove means that its width is wider than the narrower guide groove.

[0040] According to the disclosure and description of the above specification, those skilled in the art to which the present invention belongs can also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some simple modifications and changes to the present invention, especially simple part splitting or combination to achieve the same function, should also fall within the scope of protection of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the present invention.

Claims

1. A buffer device for an automatic cable tie tool, characterized in that: include: An automatic cable tie tool is provided with: a frame, a conveying guide rail and an elastic part; an inner cavity capable of accommodating a cable tie head is provided inside the conveying guide rail, the conveying guide rail is composed of two parts or an integrally formed square tubular part, and the inner cavity of the conveying guide rail is designed to be a straight line or a combination of a straight line segment and a curved line segment in the length direction; the cross section of the inner cavity is larger than the cross section of a cable tie head and the cross section of the inner cavity can only accommodate the cross section of no more than one cable tie head and leave a gap; the frame is provided with a wider guide for guiding the cable tie head The narrow guide groove on the frame can only allow the body of the cable tie to pass through but not the head of the cable tie. The wider guide groove and the narrower guide groove on the frame are connected end to end in the length direction and form two steps. The elastic part is arranged at the connection between the wider guide groove and the narrower guide groove on the frame. The cable tie is pushed from the conveying guide rail to the frame, and the head of the cable tie is blocked by the elastic part when it reaches the connection between the wider guide groove in the frame and the narrower guide groove in the frame.

2. A buffer device for an automatic cable tie tool according to claim 1, characterized in that: The elastic parts may be entirely made of soft rubber and fixed on the frame.

3. A buffer device for an automatic cable tie tool according to claim 1, characterized in that: The elastic part is configured to be formed by superimposing and compounding a soft rubber layer bonded to a hard rubber layer.

4. A buffer device for an automatic cable tie tool according to claim 3, characterized in that: When the elastic component is configured to be formed by superimposing and compounding a soft rubber layer bonded to a hard rubber layer, the soft rubber layer is arranged on the outside and can contact the front end of the cable tie head.

5. A buffer device for an automatic cable tie tool according to claim 2 or 3, characterized in that: The elastic part made of soft rubber is arranged in an L shape and is provided with a mounting hole for easy installation on the rack.

6. A buffer device for an automatic cable tie tool according to claim 1, characterized in that: The elastic part and the soft rubber protective skin are made into one piece, and the elastic part and the soft rubber protective skin are fixed on the frame by using a pressing plate.

7. A buffer device for an automatic cable tie tool according to claim 2 or 3 or 4 or 5 or 6, characterized in that: The hardness of the soft rubber is generally Shore A 70-95 degrees.

8. A buffer device for an automatic cable tie tool according to claim 1, characterized in that: The elastic part is made of metal or hard non-metal and is installed on the frame through a spring or a spring sheet, and can be deformed when subjected to a certain external force.

9. A buffer device for an automatic cable tie tool according to claim 1, characterized in that: The elastic part is made into one piece with the frame and a groove is opened on the frame. The groove opened on the frame makes the frame partially thinner and deformable when impacted.

10. A buffer device for an automatic cable tie tool according to claim 1, characterized in that: The conveying guide rail is connected to a wider guide groove of the frame, or the conveying guide rail directly extends into the interior of the frame and the conveying guide rail and the frame together form a wider guide groove.

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