Centering, positioning and subdividing device for FRP (Fiber Reinforced Plastic) bar anchor manufacturing

By designing a centering and positioning splitting device for FRP bar anchoring, precise centering and uniform splitting of FRP bars were achieved, solving the problems of low efficiency and difficulty in guaranteeing accuracy in existing technologies, and improving anchoring efficiency and material stability.

CN223456053UActive Publication Date: 2025-10-21LIUZHOU OVM MASCH CO LTD
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Patent Information

Application Number
CN202422936571.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-10-21
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The existing FRP rebar splitting technology is inefficient, difficult to ensure accuracy, and easily damages the material, making it unable to meet the needs of large-scale production.

Method used

A centering and positioning splitting device was designed, comprising a tool holder, a cutting tool, a support cylinder, a centering and positioning slide rod, and a fixing component. It achieves precise centering and positioning and uniform splitting of FRP ribs through threaded connections, supports the use of slotted cutters and cross cutters, and ensures splitting accuracy and efficiency.

Benefits of technology

It improves the splitting accuracy and efficiency of FRP rebar anchoring, reduces the difficulty of operation, meets the needs of large-scale production, and avoids material damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a centering positioning subdivision device for FRP (fiber reinforced plastic) bar anchor manufacturing, which comprises a tool rest, a tool, a support cylinder, a centering positioning sliding rod and a fixing piece, the tool rest is connected with one end of the support cylinder, the tool is arranged on the tool rest, a sliding chute A is arranged in the support cylinder, the centering positioning sliding rod extends into the sliding chute A to be connected, and the fixing piece is arranged on the support cylinder. The fixing piece is connected with the other end of the supporting cylinder. According to the utility model, the FRP rib can be split into two halves or four halves by selectively placing the linear or cross-shaped cutter and the corresponding cutter rest. The sliding groove A is gradually enlarged in the axis direction from the tool rest end to the other end, and therefore the centering subdivision part of the FRP rib can evenly exit from the device along the axis. The centering and positioning sliding rod is pushed to the screw hole A of the tool rest in the direction of the tool, accurate centering and positioning of the FRP rib can be achieved, after subdivision is completed, the centering and positioning sliding rod is pulled to the through hole B of the fixing piece in the direction of the drawn-out axis, and then the subdivided FRP rib can be easily pulled out.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the FRP tendon anchor manufacturing technical field, especially relates to a kind of centering positioning split device for FRP tendon anchor manufacturing. BACKGROUND

[0002] FRP (Fiber Reinforced Polyme) tendon, i.e., fiber composite material tendon, in the anchoring process of its anchor manufacturing, in order to embed wedge and bonding medium, increase the friction between fiber composite material tendon and anchor cylinder, improve the reliability and stability of anchoring, fiber composite material tendon anchor end needs to be split into two petals or even four petals. The existing tendon splitting technology is generally manual tendon splitting, which has the following problems: first, manual tendon splitting is low in efficiency and high in cost, and it is difficult to meet the demand of large-scale production; second, there is no centering tool for manual tendon splitting, and the precision of tendon splitting is difficult to guarantee, which may cause problems such as inaccurate splitting position and uneven splitting surface; third, in the process of tendon splitting, FRP tendon material may be damaged, such as cracks and deformation, which may affect the mechanical properties and service life of FRP tendon. Therefore, a centering positioning split device is needed.

[0003] The patent document with publication number CN217775698U discloses a W-shaped blade, relating to the technical field of mine anchor breaking cutter, comprising a base; a dissection hole is provided in the middle of the base along its axis direction, the top end of the dissection hole is provided with an upper mounting groove, the upper mounting groove is provided with an upper W-shaped dissection knife head sliding perpendicular to the axis direction of the base, the bottom end of the dissection hole is provided with a lower mounting groove, and the lower mounting groove is provided with a lower W-shaped dissection knife head sliding along the axis of the base. The device can clamp and break the anchor, but can only perform horizontal cutting operation and cannot perform splitting along the axis direction.

[0004] The patent document with publication number CN217331668U discloses a clay sampler, comprising a cylinder, the top end and bottom end of the cylinder are open, the top end of the cylinder is provided with a support frame, the top end of the support frame is provided with a sleeve ring, a sliding rod is vertically and slidingly inserted in the middle of the sleeve ring, the bottom end of the sliding rod is provided with a cross-shaped knife, the cross-shaped knife is slidingly arranged in the cylinder, the top end of the sliding rod is provided with a horizontal handle, a cutting knife is inserted and arranged in the handle, a first clamping block is arranged on the sliding rod above the sleeve ring, and a second clamping block is arranged on the sliding rod below the sleeve ring. The structure of the cross-shaped knife is disclosed in the patent, and the cross-shaped knife cuts soil by transmitting force through the handle and the sliding rod, but the cross-shaped knife cannot be replaced by a straight knife, and there is no centering structure for the cutting object, and there is no component to help separate the cutting object from the cutter after cutting. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of centering and positioning split device for FRP tendon anchor.

[0006] The utility model is implemented by the following technical solutions.

[0007] The utility model provides a kind of centering and positioning split device for FRP tendon anchor, including knife rest, tool, support cylinder, centering and positioning slide rod and fixed part, the knife rest is connected with the one end of support cylinder, the tool is set on knife rest, the sliding slot A is set in support cylinder, the centering and positioning slide rod is connected into sliding slot A, the fixed part is connected with the other end of support cylinder.

[0008] Preferably, the knife rest includes a connector, a fixed frame A, and a fixed frame B. The support cylinder has external threads on both ends. The connector has a threaded hole A. One end of the connector is connected to the support cylinder via the threaded hole A. The other end of the connector is connected to the fixed frame A or the fixed frame B. The tool is connected to the fixed frame A or the fixed frame B.

[0009] Preferably, the fixed frame A is symmetrically arranged at two positions. The fixed frame A has a tool slot A and a bolt hole A. The tool is connected to the fixed frame A via the tool slot A. The bolt holes A on the two fixed frames A are arranged in a staggered manner. Bolts are arranged in the bolt holes A.

[0010] Preferably, the fixed frame B is symmetrically arranged at two positions. The fixed frame B has a tool slot B and a bolt hole B. The tool is connected to the fixed frame B via the tool slot B. The bolt holes B on the two fixed frames B are arranged in a symmetrical manner. Bolts are arranged in the bolt holes B.

[0011] Preferably, the centering and positioning slide rod includes a main body A and a main body B. The main body A has a through hole A. The main body A is in a hollow cylindrical shape. The main body B includes a connector. The connector has a rectangular axial cross-section. One end of the main body A is connected to the connector. The main body A and the connector are slidingly connected into the sliding slot A.

[0012] Preferably, the connector is arranged at four positions. The four connectors are arranged in a cross shape at one end of the main body A.

[0013] Preferably, the fixed part has a threaded hole B, a through hole B, and a through hole C. The fixed part is threadedly connected to the support cylinder via the threaded hole B. The threaded hole B and the through hole B are in communication. The diameter of the threaded hole B is larger than the diameters of the through hole B and the through hole C.

[0014] Preferably, one side of the sliding slot A is in a tapered shape. The end of the sliding slot A close to the knife rest is a small end. The axial cross-section of the sliding slot A is in a cross shape.

[0015] The utility model has the advantages of:

[0016] 1. The utility model discloses a structure that can split FRP tendon into two or four parts by selecting a straight cutter or a cross cutter and the corresponding cutter holder.

[0017] 2. The utility model discloses that the sliding slot A of the support cylinder gradually increases from the cutter holder end to the other end along the axial direction, realizes the uniform exit device of the fiber composite tendon along the split part of the anchoring.

[0018] 3. After the fiber composite tendon is put into the centering and positioning sliding rod, the fiber composite tendon or the cutter holder is pushed, and stable and uniform splitting can be realized, and the anchoring efficiency and anchoring effect are improved.

[0019] 4. The combination of the support cylinder and the centering and positioning sliding rod moves to the cutter holder in the direction of the cutter holder, clamps, and makes the fiber composite tendon anchor in high-precision centering.

[0020] 5. The main part of the device is connected by threads, which provides convenience for the installation and disassembly of the device and can quickly replace the cutter.

[0021] 6. The utility model discloses a device structure simple, convenient operation can realize accurate length split, reduces the operation difficulty.

[0022] 7. The hole size of the through hole A can be designed according to different FRP tendon shapes and sizes to meet the splitting requirements of different size fiber composite tendon anchors. DETAILED DESCRIPTION

[0023] Figure 1 It is the structure schematic view of the utility model using a straight cutter.

[0024] Figure 2 It is the sectional view of the utility model using a straight cutter.

[0025] Figure 3 It is the side view structure schematic view of the utility model using a straight cutter.

[0026] Figure 4 It is the front view structure schematic view of the utility model using a cross cutter.

[0027] Figure 5 It is the left view structure schematic view of the utility model using a cross cutter.

[0028] Figure 6 It is the cutter holder front view of the utility model using the fixed frame A.

[0029] Figure 7 is the knife rest top view of the utility model for using fixed frame A;

[0030] Figure 8 is the knife rest left view of the utility model for using fixed frame A;

[0031] Figure 9 is the knife rest section view of the utility model for using fixed frame B;

[0032] Figure 10 is the knife rest left view of the utility model for using fixed frame B;

[0033] Figure 11 is the section view of the utility model support cylinder;

[0034] Figure 12 is the side view of the utility model support cylinder;

[0035] Figure 13 is the structure schematic view of the utility model centering positioning slide rod;

[0036] Figure 14 is the structure schematic view of the utility model fixed part;

[0037] In the figure: 1-knife rest, 11-connection head, 12-screw hole A, 2-tool, 3-bolt, 4-support cylinder, 41-sliding slot A, 5-centering positioning slide rod, 51-main body A, 52-connection piece, 53-through hole A, 6-fixed part, 61-screw hole B, 62-through hole B, 63-through hole C, 7-fixed frame A, 71-knife slot A, 72-bolt hole A, 8-fixed frame B, 81-knife slot B, 82-bolt hole B. DETAILED DESCRIPTION

[0038] The technical scheme of the utility model is further described below, but the scope of protection is not limited to the description.

[0039] Embodiment:

[0040] As Figures 1 to 14 shown, a kind of centering positioning section device for FRP tendon anchor, including knife rest 1, tool 2, support cylinder 4, centering positioning slide rod 5 and fixed part 6, the knife rest 1 is connected with the one end of support cylinder 4, the tool 2 is arranged on knife rest 1, the sliding slot A 41 is arranged in support cylinder 4, the centering positioning slide rod 5 is connected into sliding slot A 41, the fixed part 6 is connected with the other end of support cylinder 4.

[0041] The tool holder 1 comprises a connecting head 11, a fixed frame A 7 and a fixed frame B 8, outer threads are arranged on the outer walls of the two ends of the supporting cylinder 4 respectively, the connecting head 11 is provided with a screw hole A 12, one end of the connecting head 11 is connected with the supporting cylinder 4 through the screw hole A 12, and the other end of the connecting head 11 is connected with the fixed frame A 7 or the fixed frame B 8, and the tool 2 is connected with the fixed frame A 7 or the fixed frame B 8.

[0042] The fixed frame A 7 is symmetrically arranged at two positions, the fixed frame A 7 is provided with a tool slot A 71 and a bolt hole A 72, the tool 2 is connected with the fixed frame A 7 through the tool slot A 71, and the tool 2 is a straight tool or a cross tool, the bolt holes A 72 on the two fixed frames A 7 are arranged in an upper and lower staggered mode, the bolt holes A 72 are provided with bolts 3, the bolts 3 are used to pass through the bolt holes A 72 and the corresponding holes of the tool 2, and then nuts are connected, so that the tool 2 is connected and fastened with the fixed frame A 7. The fixed frame A 7 and the connecting head 11 form a tool holder for fixing a straight tool, and the straight tool divides the fiber composite material rod into two parts.

[0043] The fixed frame B 8 is symmetrically arranged at two positions, the fixed frame B 8 is provided with a tool slot B 81 and a bolt hole B 82, the tool 2 is connected with the fixed frame B 8 through the tool slot B 81, the bolt holes B 82 on the two fixed frames B 8 are symmetrically arranged, the bolt holes B 82 are provided with bolts 3, the bolts 3 are used to pass through the bolt holes B 82 and the corresponding holes of the tool 2, and then nuts are connected, so that the tool 2 is connected and fastened with the fixed frame B 8. The fixed frame B 8 and the connecting head 11 form a tool holder for fixing a cross tool, the midpoint of the cross tool is aligned with the shaft center of the sliding groove A 41, and the cross tool divides the fiber composite material rod into four parts.

[0044] The centering and positioning sliding rod 5 comprises a main body A 51 and a main body B, the main body A 51 is provided with a through hole A 53, and the main body A 51 is in a hollow cylindrical shape, the main body B comprises a connecting piece 52, the connecting piece 52 is in a rectangular shape in the axial section, one end of the main body A 51 is connected with the connecting piece 52, and the main body A 51 and the connecting piece 52 are slidably connected into the sliding groove A 41. The main body B can move along one side of the tool holder 1 and penetrate the tool holder 1, and extend to the side of the tool holder 1 away from the supporting cylinder 4.

[0045] The through hole A 53 is communicated with the sliding groove A 41, the connecting piece 52 is provided with four connecting pieces 52, the four connecting pieces 52 are arranged in a cross shape at one end of the main body A 51, and there is a gap between the four connecting pieces 52, so that the tool 2 can pass through, and the connecting piece 52 avoids blocking the through hole A 53 of the main body A 51.

[0046] Said fixed part 6 is provided with screw hole B61, through hole B62 and through hole C63, the fixed part 6 is screwed with support cylinder 4 through screw hole B61, the screw hole B61 is communicated with through hole B62, the diameter of screw hole B61 is greater than the diameter of through hole B62 and through hole C63, the diameter of through hole B62 is greater than the diameter of through hole C63, the centering positioning slide rod 5 is pulled to the side away from the cutter holder 1, the centering positioning slide rod 5 is stopped in through hole B62, avoids pulling out FRP tendon and taking out the centering positioning slide rod 5, and the main body A51 is penetrated through one side of fixed part 6 through through hole B62 and extends out.

[0047] Said chute A41 is tapered on one side, the small end of chute A41 is close to the end of cutter holder 1, the axial section of chute A41 is cross-shaped, and chute A41 is coaxially arranged with through hole A53 and through hole B62.

[0048] The utility model is suitable for splitting of fiber composite material tendon.

[0049] A using method of centering positioning splitting device for FRP tendon anchor, comprising the following steps:

[0050] 1, manual use:

[0051] S1: according to the fiber composite material tendon anchor splitting type required, select the corresponding cutter 2, put cutter 2 into the cutter slot, tighten bolt 3 and fix cutter 2, tighten the thread of cutter holder 1 and support cylinder 4 to form connection, embed centering positioning slide rod 5 into support cylinder 4, and tighten fixed part 6 to fix centering positioning slide rod 5.

[0052] S2: the fiber composite material tendon is placed in the through hole A53 of centering positioning slide rod 5, and the one end of fiber composite material tendon is moved to the end of main body B away from main body A51, the fiber composite material tendon is pushed, centering positioning slide rod 5 slides, cutter 2 splits fiber composite material tendon, before fiber composite material tendon is pulled out from centering positioning slide rod 5, centering positioning slide rod 5 is pulled to main body B close to through hole B62 along the axis direction of pulling out, and fiber composite material tendon after splitting can be pulled out easily.

[0053] 2, processing table use:

[0054] S1: select cutter 2 as a straight cutter, place the fiber composite material tendon in the through hole A53 of centering positioning slide rod 5, and move the one end of fiber composite material tendon to the end of main body B away from main body A51, complete centering and splitting of specified length at cutter 2.

[0055] S2: The device is fixed on the machining table, and the fiber composite rod is fixed by the mechanical arm or clamp, the fiber composite rod is pushed in and pulled out, and the cutting operation is the same as the manual operation, after one cutting, the clamp or mechanical arm is controlled to pull out the fiber composite rod to not contact the cutter 2, then the fiber composite rod is rotated by 90° and cut again, and the function of the linear cutter cutting the fiber composite rod into 4 pieces is realized.

Claims

1. A centering positioning and splitting device for anchoring FRP tendons, characterized in that: The invention comprises a tool holder (1), a tool (2), a support tube (4), a centering positioning slide rod (5) and a fixing member (6); the tool holder (1) is connected to one end of the support tube (4); the tool (2) is arranged on the tool holder (1); a slide groove A (41) is arranged in the support tube (4); the centering positioning slide rod (5) extends into the slide groove A (41) for connection; and the fixing member (6) is connected to the other end of the support tube (4).

2. A centering and positioning cutting device for FRP tendon anchorage as claimed in claim 1, wherein: The tool holder (1) comprises a connecting head (11), a fixing frame A (7) and a fixing frame B (8); the outer walls of both ends of the support tube (4) are respectively provided with external threads; the connecting head (11) is provided with a screw hole A (12); one end of the connecting head (11) is threadedly connected to the support tube (4) through the screw hole A (12); the other end of the connecting head (11) is connected to the fixing frame A (7) or the fixing frame B (8); and the tool (2) is connected to the fixing frame A (7) or the fixing frame B (8).

3. A centering and positioning cutting device for FRP tendon anchorage as claimed in claim 2, wherein: The fixing frame A (7) is symmetrically arranged at two locations, and a knife groove A (71) and a bolt hole A (72) are arranged on the fixing frame A (7). The tool (2) is connected to the fixing frame A (7) through the knife groove A (71). The bolt holes A (72) on the two fixing frames A (7) are staggered, and bolts (3) are arranged on the bolt holes A (72).

4. A centering and positioning cutting device for FRP tendon anchorage as claimed in claim 2, wherein: The fixing frame B (8) is symmetrically arranged at two locations, a knife groove B (81) and a bolt hole B (82) are arranged on the fixing frame B (8), the tool (2) is connected to the fixing frame B (8) through the knife groove B (81), the bolt holes B (82) on the two fixing frames B (8) are symmetrically arranged, and bolts (3) are arranged on the bolt holes B (82).

5. A centering and positioning cutting device for FRP tendon anchorage as claimed in claim 1, wherein: The centering positioning slide rod (5) includes a main body A (51) and a main body B. A through hole A (53) is provided on the main body A (51). The main body A (51) is in the shape of a hollow cylinder. The main body B includes a connecting piece (52). The axial section of the connecting piece (52) is rectangular. One end of the main body A (51) is connected to the connecting piece (52). The main body A (51) and the connecting piece (52) extend into the slide groove A (41) for sliding connection.

6. A centering and positioning cutting device for FRP tendon anchorage as claimed in claim 5, wherein: Four connecting pieces (52) are provided, and the four connecting pieces (52) are distributed in a cross shape and provided at one end of the main body A (51).

7. A centering and positioning cutting device for FRP tendon anchorage as claimed in claim 1, wherein: The fixing member (6) is provided with a screw hole B (61), a through hole B (62) and a through hole C (63). The fixing member (6) is threadedly connected to the support tube (4) through the screw hole B (61). The screw hole B (61) and the through hole B (62) are connected. The diameter of the screw hole B (61) is larger than the diameters of the through hole B (62) and the through hole C (63).

8. A centering and positioning cutting device for FRP tendon anchorage as claimed in claim 1, wherein: One side of the slide groove A (41) is tapered, the end of the slide groove A (41) close to the tool holder (1) is a small end, and the axial section of the slide groove A (41) is cross-shaped.

Citation Information

Patent Citations

  • Clay sampler

    CN217331668U

  • W-shaped blade

    CN217775698U