Heavy lock tool apron structure

Abstract

The utility model discloses a heavy lock tool apron structure, and belongs to the technical field of lock tool apron structures. Comprising a seat body, a cutter clamping seat and a cutter lock head, a sliding way is formed in the inner side of the seat body, the cutter clamping seat comprises a fixing block integrally formed at the top of one end of the seat body, and a semicircular reducing groove is formed in the inner side of the fixing block; a lower semicircular ring groove is formed in the end part of the reducing groove; a fixed clamping block is integrally formed on the inner side of the reducing groove; a cutter bar of a conical structure is movably arranged on the reducing groove in a press fit mode, and a disc body of the cutter bar is clamped into the lower semicircular ring groove. The fixed clamping blocks are clamped with the disc body positioning grooves; the cutter lock head comprises a sliding block arranged on the inner side of the sliding way in a sliding mode, and a reducing through hole is formed in the sliding block. The reducing through hole is clamped with the outer wall of the cutter bar; according to the heavy lock tool apron structure, the tool bar and the disc body of the tool bar can be protected, abrasion and scratching are avoided, and the service life of the tool bar is prolonged.

Description

Technical Field

[0001] The utility model specifically relates to a heavy-duty knife locking seat structure, belonging to the technical field of knife locking seat structures. Background Art

[0002] The knife lock seat is a device used to assist in replacing the front end of the knife bar. It can be divided into a vertical knife lock seat and a horizontal knife lock seat. When using the vertical knife lock seat, the knife bar is placed upright on the knife lock seat, and when using the horizontal knife lock seat, the knife bar is placed horizontally on the knife lock seat; after the knife bar is placed on the knife lock seat, the user loosens a nut at the front end of the knife bar with a hook wrench or other tools to remove the original knife, and then installs the new knife on the knife bar and tightens the nut to complete the knife replacement operation; the existing knife lock seat such as China Patent Announcement No.: CN219152152U, Public The invention discloses a vertical and horizontal dual-purpose knife locking seat and a knife bar assembly having the knife locking seat, wherein the top surface of the horizontal support block is recessed downward to form a shank groove and a flange groove, which can respectively accommodate the shank and flange of the knife bar; two clamping parts are formed in the flange groove, and the structure can lock the knife for a small knife bar. For a stuck knife bar and knife, or some larger-sized knives, a large disassembly force needs to be applied during disassembly, and the knife bar will produce a large shake when disassembling and assembling the knife, thereby causing the tool to tilt and the knife locking seat to wear, or causing wear on both sides of the flange (disk). Utility Model Content

[0003] In order to solve the above problems, the utility model proposes a heavy-duty knife lock seat structure, which can protect the knife rod and the disc body of the knife rod, avoid wear and scratches, and extend the service life of the knife rod.

[0004] The heavy-duty knife lock seat structure of the utility model comprises:

[0005] A seat body, wherein a slideway is provided on the inner side of the seat body;

[0006] The tool holder comprises a fixed block integrally formed at the top of one end of the holder, a semicircular diameter reduction groove is provided on the inner side of the fixed block; a lower semicircular annular groove is provided at the end of the diameter reduction groove; a fixed block is integrally formed on the inner side of the diameter reduction groove; a tool rod with a conical structure is movably pressed on the diameter reduction groove, and the disc body of the tool rod is clamped into the lower semicircular annular groove; the fixed block is clamped with the positioning groove of the disc body;

[0007] The tool lock head comprises a slider slidably arranged on the inner side of the slideway, and the slider is provided with a reduced diameter through hole; the reduced diameter through hole is engaged with the outer wall of the tool rod;

[0008] A screw rod body is arranged inside the slideway, the screw rod body is screwed to the slider, both ends of the screw rod body are mounted to both ends of the slideway through bearings, one end of the screw rod body moves through the bearing and is fixedly connected to the crank handle.

[0009] When in use, first install the tool and the tool holder, and the tool rod of the tool fits into the reduced diameter groove; the tool rod is engaged with the lower semicircular ring groove; and the fixed block is engaged with the positioning groove of the disk body; then, rotate the crank handle, the crank handle drives the screw rod body to rotate, and the screw rod body drives the slider to slide, and the reduced diameter through hole on the slider continues to feed toward the outer wall of the tool rod until the reduced diameter through hole fits and presses against the outer wall of the tool rod; thereby, the tool rod can be locked; when the tool rod and the tool are assembled or disassembled, tools such as hook wrenches rotate the tool rod, and the outer wall of the tool rod is limited by the reduced diameter through hole, and the fixed block is circumferentially limited with the positioning groove of the disk body to achieve complete locking of the tool rod.

[0010] Furthermore, the axis line of the reduced diameter groove and the axis line of the reduced diameter through hole are on the same straight line. When the tool rod is placed in the reduced diameter groove, the slider is driven to move toward one side of the tool rod, so that the reduced diameter through hole and the tool rod are sleeved and limited.

[0011] Furthermore, the fixed block is integrally formed with an articulated seat on the outside of the lower semicircular ring groove, a swing arm is hinged on the articulated seat through a pin, a pressing sleeve is integrally formed on the swing arm away from the hinged end, an upper semicircular ring groove is provided on the inner side of the pressing sleeve directly opposite to the lower semicircular ring groove; the upper semicircular ring groove is engaged with the disc body of the tool rod; a pressure head is screwed on the pressing sleeve at the upper semicircular ring groove; the pressure head is engaged with the positioning groove of the disc body. When in use, after the tool rod is engaged with the tool holder, the swing arm is swung, the pressure sleeve at the front end of the swing arm is pressed with the tool holder, and the upper semicircular ring groove of the pressure sleeve is engaged with the disc body of the tool rod; then, the pressure head is rotated, and the pressure head is engaged with the positioning groove of the disc body.

[0012] Furthermore, the pressure head is a spherical structure, and the spherical pressure head is engaged with the positioning groove of the disc body, thereby realizing the disc body limitation of the knife rod.

[0013] Furthermore, ear hole seats are integrally formed on the outer sides of both ends of the seat body, and the ear hole seats are fixed to the desktop; when installing, the seat body is placed on the desktop, and then bolts are screwed into the ear hole seats to fasten the ear hole seats and the desktop.

[0014] Compared with the prior art, the heavy-duty knife locking seat structure of the utility model can lock the tool. After locking, the locked tool rod and tool can be disassembled, or some larger tools can be assembled and disassembled. During assembly and disassembly, the tool rod and the disc body can be protected from wear and scratches. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present utility model.

[0016] Figure 2 This is a schematic diagram of the overall structure of Example 2 of the present utility model.

[0017] Figure numerals: 1, seat body, 2, slideway, 3, fixed block, 4, reduced diameter groove, 5, lower semicircular ring groove, 6, fixed block, 7, slider, 8, reduced diameter through hole, 9, screw body, 10, crank handle, 11, hinged seat, 12, swing arm, 13, pressing sleeve, 14, upper semicircular ring groove, 15, pressure head, 16, ear hole seat. DETAILED DESCRIPTION

[0018] Embodiment 1:

[0019] like Figure 1 The heavy-duty locking knife holder structure shown includes:

[0020] A seat body 1, wherein a slideway 2 is provided inside the seat body 1;

[0021] The tool holder comprises a fixed block 3 integrally formed at the top of one end of the holder body 1, a semicircular diameter reduction groove 4 is provided on the inner side of the fixed block 3; a lower semicircular annular groove 5 is provided at the end of the diameter reduction groove 4; a fixed block 6 is integrally formed on the inner side of the diameter reduction groove 4; a tool rod with a conical structure is movably pressed on the diameter reduction groove 4, and the disc body of the tool rod is clamped into the lower semicircular annular groove 5; the fixed block 6 is clamped with the positioning groove of the disc body;

[0022] The tool lock head comprises a slider 7 slidably arranged on the inner side of the slideway 2, and a reduced diameter through hole 8 is formed on the slider 7; the reduced diameter through hole 8 is engaged with the outer wall of the tool rod;

[0023] A screw rod body 9 is arranged inside the slideway 2 , and the screw rod body 9 is screwed to the slider 7 . Both ends of the screw rod body 9 are mounted to both ends of the slideway 2 through bearings. One end of the screw rod body 9 moves through the bearing and is fixedly connected to the crank 10 .

[0024] When in use, first install the tool and the tool holder, and the tool rod of the tool fits into the reduced diameter groove 4; the tool rod fits into the lower semicircular ring groove 5; and the fixed block 6 fits into the disk body positioning groove; then, rotate the crank handle 10, the crank handle 10 drives the screw rod body 9 to rotate, the screw rod body 9 drives the slider 7 to slide, and the reduced diameter through hole 8 on the slider 7 continues to feed toward the outer wall of the tool rod until the reduced diameter through hole 8 fits and presses against the outer wall of the tool rod; thereby, the tool rod can be locked; when the tool rod and the tool are assembled or disassembled, tools such as hook wrenches rotate the tool rod, and the outer wall of the tool rod is limited by the reduced diameter through hole 8, and the fixed block 6 is circumferentially limited with the disk body positioning groove to achieve complete locking of the tool rod.

[0025] The axis center line of the reduced diameter groove 4 is in the same straight line as the axis center line of the reduced diameter through hole 8. When the tool rod is placed in the reduced diameter groove 4, the slider 7 is driven to move toward the tool rod so that the reduced diameter through hole 8 and the tool rod are sleeved and limited.

[0026] The pressure head 15 is a spherical structure, and the spherical pressure head 15 is engaged with the positioning groove of the disc body, so as to achieve the disc body limitation of the knife rod.

[0027] The outer sides of both ends of the seat body 1 are integrally formed with ear hole seats 16, and the ear hole seats 16 are fixed to the desktop; when installing, the seat body 1 is placed on the desktop, and then bolts are screwed into the ear hole seats 16 to fasten the ear hole seats 16 and the desktop.

[0028] Embodiment 2:

[0029] like Figure 2 The heavy-duty locking knife seat structure shown in the figure has an articulated seat 11 integrally formed on the outside of the lower semicircular ring groove 5 on the outside of the fixed block 3, a swing arm 12 is hinged on the articulated seat 11 through a pin, and a pressing sleeve 13 is integrally formed on the swing arm 12 away from the hinged end, and an upper semicircular ring groove 14 is provided on the inner side of the pressing sleeve 13 directly facing the lower semicircular ring groove 5; the upper semicircular ring groove 14 is engaged with the disc body of the knife bar; the pressing sleeve 13 is screwed with a pressure head 15 at the upper semicircular ring groove 14; the pressure head 15 is engaged with the positioning groove of the disc body. When in use, after the knife bar is engaged with the tool holder, the swing arm 12 is swung, the pressure sleeve 13 at the front end of the swing arm 12 is pressed with the tool holder, and the upper semicircular ring groove 14 of the pressure sleeve 13 is engaged with the disc body of the knife bar; then, the pressure head 15 is rotated, and the pressure head 15 is engaged with the positioning groove of the disc body.

[0030] The above embodiments are only preferred implementations of the present invention, so any equivalent changes or modifications made according to the structures, features and principles described in the scope of application of the present invention are included in the scope of application of the present invention.

Claims

1. A heavy-duty knife lock seat structure, Features: include: A seat body, wherein a slideway is provided on the inner side of the seat body; The tool holder comprises a fixed block integrally formed at the top of one end of the holder, a semicircular diameter reduction groove is provided on the inner side of the fixed block; a lower semicircular annular groove is provided at the end of the diameter reduction groove; a fixed block is integrally formed on the inner side of the diameter reduction groove; a tool rod with a conical structure is movably pressed on the diameter reduction groove, and the disc body of the tool rod is clamped into the lower semicircular annular groove; the fixed block is clamped with the positioning groove of the disc body; The tool lock head comprises a slider slidably arranged on the inner side of the slideway, and the slider is provided with a reduced diameter through hole; the reduced diameter through hole is engaged with the outer wall of the tool rod; A screw rod body is arranged inside the slideway, the screw rod body is screwed to the slider, both ends of the screw rod body are mounted to both ends of the slideway through bearings, one end of the screw rod body moves through the bearing and is fixedly connected to the crank handle.

2. The heavy-duty knife lock seat structure according to claim 1, Features: The axis center line of the reduced diameter groove and the axis center line of the reduced diameter through hole are on the same straight line.

3. The heavy-duty locking knife seat structure according to claim 1, Features: The outside of the fixed block is integrally formed with a hinge seat on the outside of the lower semicircular ring groove, a swing arm is hinged on the hinge seat through a pin shaft, and the swing arm is integrally formed with a press sleeve away from the hinged end, an upper semicircular ring groove is provided on the inner side of the press sleeve opposite to the lower semicircular ring groove; the upper semicircular ring groove is engaged with the disc body of the knife rod; a pressure head is screwed on the press sleeve at the upper semicircular ring groove; the pressure head is engaged with the positioning groove of the disc body.

4. The heavy-duty locking knife seat structure according to claim 3, Features: The pressure head is a spherical structure.

5. The heavy-duty knife lock seat structure according to claim 1, Features: The outer sides of the two ends of the seat body are integrally formed with ear hole seats, and the ear hole seats are fixed to the desktop.

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