Honing cutter easy to replace

Abstract

The honing cutter easy to replace comprises a cutter body and a honing strip, four inserting grooves are formed in the side face of the cutter body, openings are formed in the front sides and the bottom sides of the inserting grooves, mounting rails are arranged on the two sides of the inner wall of each inserting groove in a protruding mode, mounting grooves matched with the mounting rails are formed in the left side and the right side of the honing strip in an inward concave mode, and the honing strip is arranged in the mounting grooves. The honing strips on the front side and the rear side of the installation groove are symmetrically arranged, the honing strips are inserted into the insertion grooves from the rear side along the installation rails, installation blocking pieces are arranged on the bottom sides of the insertion grooves and abut against the bottoms of the honing strips, and when the honing strips on one side need to be replaced due to abrasion, the installation blocking pieces are opened to take down the honing strips. If the inner side part of the honing strip is not used yet, the symmetrical honing strips are reversed front and back, the unused part of the original inner side faces forwards to be reinstalled in the inserting groove, one honing strip can be repeatedly used, the service life of the honing strip is prolonged, after the honing strip is placed in the inserting groove, the honing strip is fixed by closing and installing the blocking piece again, and disassembly and assembly are convenient and fast.

Description

Technical Field

[0001] The utility model relates to the field of honing machining, in particular to an easily replaceable honing tool. Background Art

[0002] Honing machining is to use the honing bars embedded on the honing tool to finish machining the workpiece. During the machining process, the honing bars are prone to wear. In order to ensure the honing effect, the honing bars need to be frequently replaced. The disassembly and assembly of the existing honing bars are relatively complex, which affects the work efficiency and is inconvenient to use. In addition, the existing honing bars need to be replaced as a whole even if only one side is worn, which is rather wasteful. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an easily replaceable honing tool.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme: An easily replaceable honing tool includes a tool body and honing bars. A plurality of slots are opened on the side surface of the tool body. The slots are open at the front side and the bottom side. Installation rails are convexly provided on both sides of the inner wall of the slots. Installation grooves matching with the installation rails are concavely provided on the left and right sides of the honing bars. The honing bars on the front and rear sides of the installation grooves are symmetrically arranged. The honing bars are inserted into the slots from the rear side along the installation rails. An installation retaining piece is arranged at the bottom side of the slots, and the installation retaining piece abuts against the bottom of the honing bars.

[0005] Further, a retaining piece groove is provided on the tool body at one side of the bottom side of the slots. One side of the installation retaining piece is hinged to the tool body, and the other side of the installation retaining piece is placed in the retaining piece groove.

[0006] Further, a pin cylinder is provided on the upper side of the retaining piece groove. A lever slot opening is provided on one side of the pin cylinder. A pin is arranged in the pin cylinder. One end of the pin passes through the pin cylinder and is placed in the retaining piece groove. The end of the pin is spherical. A lever is arranged on one side of the pin and passes through the lever slot opening. A pin spring is arranged on the pin.

[0007] Further, an inclined surface is provided on the lower side of the surface of the installation retaining piece close to the pin cylinder. A pin hole is provided on the installation retaining piece, and the pin is placed in the pin hole.

[0008] Further, a push-out groove is provided on the upper side of the slots, and a push-out device is arranged in the push-out groove.

[0009] Further, the push-out device includes a fixed rod, a push-out piece and a push-out spring. The fixed rod is fixed to the bottom of the push-out groove. The push-out piece is sleeved on the fixed rod. A push-out piece is arranged at the end of the push-out piece, and the push-out spring is arranged between the push-out piece and the bottom of the push-out groove.

[0010] Further, an adjusting member is provided in the middle of the mounting flap. The middle of the mounting flap bulges outwards to form a fixing portion. A through-threaded hole is provided on the fixing portion. The adjusting member is threadedly connected to the threaded hole. A limiting piece is provided at the end of the adjusting member.

[0011] The beneficial effects of the present utility model are as follows: When the honing strip is worn and needs to be replaced, the honing strip can be removed, and the front and rear sides of the symmetrical honing strip can be reversed and then reinstalled into the slot through the mounting rail. Then, the unused side can be used for honing. Both sides of the honing strip can be used for honing, reducing the honing cost. By opening the mounting flap, the honing strip can be pushed out by the pushing device, which is convenient for removing the honing strip. After replacing the honing strip, the mounting flap is pulled downwards so that the plug pin is inserted into the plug pin hole, and the installation of the honing strip can be completed. The disassembly and assembly are convenient. Description of the Drawings

[0012] Figure 1 It is a schematic diagram of the whole of the present utility model.

[0013] Figure 2 It is a schematic diagram of the pushing device.

[0014] Figure 3 It is a schematic diagram of the mounting flap and the plug pin.

[0015] In the figure: 1. Tool body; 2. Honing strip; 21. Installation groove; 3. Slot; 31. Mounting rail; 32. Pushing groove; 4. Mounting flap; 41. Inclined surface; 42. Plug pin hole; 43. Adjusting member; 431. Limiting piece; 44. Fixing portion; 5. Flap groove; 6. Plug pin cylinder; 61. Plug pin; 62. Pushing rod; 63. Pushing rod slot opening; 64. Plug pin spring; 71. Fixing rod; 72. Pushing member; 73. Pushing spring; 74. Pushing piece. Specific Embodiments

[0016] The present utility model will be further described below with reference to the drawings.

[0017] Reference Figure 1, An easily replaceable honing tool, comprising a tool body 1 and honing bars 2. Four slots 3 are provided on the side of the tool body 1. The slots 3 are open at the front and bottom sides. On both sides of the inner wall of the slots 3, mounting rails 31 are convexly provided. On the left and right sides of the honing bars 2, mounting grooves 21 matching the mounting rails 31 are concavely provided. The honing bars 2 on both sides of the mounting grooves 21 are symmetrically arranged. The honing bars 2 are inserted into the slots 3 from the bottom along the mounting rails 31. An installation retaining piece 4 is provided at the bottom side of the slots 3. The installation retaining piece 4 abuts against the bottom of the honing bars 2. When one side of the honing bars 2 needs to be replaced due to wear, the installation retaining piece 4 is opened and the honing bars 2 are removed. If the inner part of the honing bars 2 has not been used yet, the symmetric honing bars 2 are reversed front and back, and the unused part of the original inner side is placed forward and reinstalled into the slots 3. One honing bar 2 can be used twice, extending the service life of the honing bars 2. If both sides of the honing bars 2 have been used, new honing bars 2 are replaced. After the honing bars 2 are placed into the slots 3, the installation retaining piece 4 is closed again to complete the fixation of the honing bars 2, and the disassembly and assembly are convenient.

[0018] Further, referring to Figure 1 , 3 , on the tool body 1 on one side of the bottom side of the slots 3, a retaining piece groove 5 is provided. One side of the installation retaining piece 4 is hinged to the tool body 1, and the other side of the installation retaining piece 4 is placed into the retaining piece groove 5. The installation retaining piece 4 placed in the retaining piece groove limits the honing bars 2.

[0019] Further, on the upper side of the retaining piece groove 5, a pin cylinder 6 is provided. On one side of the pin cylinder 6, a lever slot 63 is provided. A pin 61 is provided in the pin cylinder 6. One end of the pin 61 passes through the pin cylinder 6 and is placed into the retaining piece groove 5. The end of the pin 61 is spherical. On one side of the pin 61, a lever 62 passes through the lever slot 63. A pin spring 64 is provided on the pin 61. On the lower side of the surface of the installation retaining piece 4 close to the pin cylinder, an inclined surface 41 is provided which inclines inward. An insertion pin opening 42 is provided on the installation retaining piece 4. The pin 61 is placed into the insertion pin opening 42 to fix the installation retaining piece 4. When it is necessary to open the installation retaining piece 4, the lever 62 is toggled upward to make the pin 61 disengage from the insertion pin opening 42. At this time, the installation retaining piece 4 can be opened and the honing bars 2 can be removed. When it is necessary to fix the installation retaining piece 4, the installation retaining piece 4 is rotated towards the retaining piece groove 5. The inclined surface 41 pushes open the spherical end of the pin 61. When the insertion pin opening 42 is exactly opposite the end of the pin 61, the pin 61 automatically enters the insertion pin opening 42 under the action of the pin spring 64 to complete the fixation of the installation retaining piece 4, and the disassembly and assembly are convenient.

[0020] Further, referring to Figure 2, a push-out groove 32 is provided on the upper side of the slot 3, a push-out device is arranged in the push-out groove 32, the push-out device includes a fixed rod 71, a push-out member 72 and a push-out spring 73, the fixed rod 71 is fixed to the bottom of the push-out groove 32, the push-out member 72 is sleeved on the fixed rod 71 so that the push-out member 72 can only move axially, a push-out piece 74 is arranged at the end of the push-out member 72, the push-out spring 73 is arranged between the push-out piece 74 and the bottom of the push-out groove 31, after the honing strip 2 is installed, the push-out spring 73 is in a compressed state, when the installation retaining piece 4 is opened, under the action of the push-out spring 73, the push-out member 72 pushes the honing strip 2 outwards, facilitating the operator to take out the honing strip.

[0021] Furthermore, an adjusting member 43 is arranged in the middle of the installation retaining piece 4, the middle of the installation retaining piece 4 bulges outwards to form a fixing part 44, a through threaded hole is arranged on the fixing part 44, the adjusting member 43 is threadedly connected with the threaded hole, a limiting piece 431 is arranged at the end of the adjusting member 43, after the honing strip 2 is installed, the adjusting member 43 can be screwed to make the limiting piece 431 abut against the honing strip 2, increasing the stability of the honing strip 2 after installation.

Claims

1. An easily replaceable honing tool, comprising a tool body and a honing strip, wherein a plurality of slots are provided on the side of the tool body, characterized in that The front and bottom sides of the slot are open, mounting rails are convexly provided on both sides of the inner wall of the slot, mounting grooves matching the mounting rails are concavely provided on the left and right sides of the honing bar, the honing bars on the front and back sides of the mounting slot are symmetrically arranged, the honing bar is inserted into the slot from the rear side along the mounting rails, and a mounting baffle is provided on the bottom side of the slot, and the mounting baffle abuts against the bottom of the honing bar.

2. The easily replaceable honing tool according to claim 1, characterized in that A baffle groove is arranged on the tool body at one side of the bottom side of the slot, one side of the mounting baffle is hinged on the tool body, and the other side of the mounting baffle is placed in the baffle groove.

3. The easily replaceable honing tool according to claim 2, characterized in that A latch cylinder is provided on the upper side of the baffle groove, a lever slot is provided on one side of the latch cylinder, a latch pin is provided in the latch cylinder, one end of the latch pin passes through the latch cylinder and is placed in the baffle groove, the end of the latch pin is spherical, a lever is provided on one side of the latch pin and passes through the lever slot, and a latch pin spring is provided on the latch pin.

4. The easily replaceable honing tool according to claim 3, characterized in that The lower side of the installation baffle close to the bolt barrel is provided with an inwardly inclined inclined surface, and the installation baffle is provided with a bolt opening, and the bolt is placed in the bolt opening.

5. The easily replaceable honing tool according to claim 1, characterized in that An ejection groove is arranged on the upper side of the slot, and an ejection device is arranged in the ejection groove.

6. The easily replaceable honing tool according to claim 5, characterized in that The ejection device includes a fixed rod, an ejection member and an ejection spring. The fixed rod is fixed to the bottom of the ejection slot, the ejection member is sleeved on the fixed rod, a ejection sheet is provided at the end of the ejection member, and the ejection spring is provided between the ejection sheet and the bottom of the ejection slot.

7. An easily replaceable honing tool according to any one of claims 1 to 6, characterized in that An adjusting piece is arranged in the middle of the mounting baffle, the middle of the mounting baffle protrudes outward to form a fixing part, a through threaded opening is arranged on the fixing part, the adjusting piece is threadedly connected to the threaded opening, and a limiting piece is arranged at the end of the adjusting piece.

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