Tenon joint cutter device

By adopting a combination structure of a locking piece and a threaded sleeve in the mortise and tenon cutter device, a detachable connection of the mortise and tenon cutter head is achieved, which solves the problem of difficult replacement of the mortise and tenon cutter head in the existing device and improves processing flexibility and maintenance convenience.

CN223442445UActive Publication Date: 2025-10-17CHINA METALLURGICAL SOUTH CHINA CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422943437.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-17
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

In the existing mortise and tenon knife device, the connection mode between the mortise and tenon knife head and the fixed sleeve is relatively fixed, which makes it difficult to realize detachable and flexible replacement.

Method used

The combined structure of the locking piece and the threaded sleeve is adopted to make the mortise cutter head detachably connected to the fixed sleeve. The detachable fixation of the mortise cutter head is achieved through the threaded connection between the threaded sleeve and the locking sleeve and the plug-in cooperation of the locking block.

Benefits of technology

The mortise and tenon cutter head can be easily installed and disassembled, which improves the flexibility and maintenance convenience of the device and adapts to the processing needs of different wood products.

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Abstract

The utility model relates to a tenoning cutter device, which belongs to the technical field of wood processing equipment, and comprises a workbench, a tenoning cutter assembly arranged on the workbench, and a driving part arranged on the workbench and connected with the tenoning cutter assembly, the tenoning cutter assembly comprises a fixed sleeve connected with the driving end of the driving piece, a tenoning cutter head movably arranged on the peripheral side of the fixed sleeve in a sleeving mode, a locking sleeve fixedly arranged on the peripheral side of the fixed sleeve in a sleeving mode, a locking piece arranged in the locking sleeve, and a threaded sleeve in threaded connection with the peripheral side of the locking sleeve, wherein the locking end of the locking piece is connected with the tenoning cutter head in an inserted mode. The tenon joint tool bit has the effect that the tenon joint tool bit can be detachably connected to the fixing sleeve.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wood processing equipment, in particular to a mortise cutter device. BACKGROUND

[0002] In the wood processing industry, the edge finishing and grooving of wood products is an essential link, which directly affects the appearance quality and use performance of the products.

[0003] The common mortise cutter device on the market is usually composed of a workbench, a mortise cutter assembly and a driving part, which is used for finishing and grooving the edge of a wooden board; the existing mortise cutter assembly includes a fixed sleeve connected with the driving end of the driving part and a mortise cutter head arranged on the circumferential side of the fixed sleeve; wherein the mortise cutter head is fixed on the fixed sleeve through a clamp.

[0004] The present application provides another technical solution for detachably connecting the mortise cutter head on the fixed sleeve, aiming to provide multiple problem-solving scheme options for those skilled in the art. CONTENT OF THE UTILITY MODEL

[0005] In order to detachably connect the mortise cutter head on the fixed sleeve, the present application provides a mortise cutter device.

[0006] The mortise cutter device provided by the present application adopts the following technical solution:

[0007] A mortise cutter device, comprising a workbench, a mortise cutter assembly arranged on the workbench and a driving part arranged on the workbench and connected with the mortise cutter assembly, the mortise cutter assembly comprising a fixed sleeve connected with the driving end of the driving part, a mortise cutter head sleeved movably on the circumferential side of the fixed sleeve, a locking sleeve fixedly sleeved on the circumferential side of the fixed sleeve, a locking part arranged inside the locking sleeve and having a locking end inserted with the mortise cutter head, and a threaded sleeve threadedly connected with the circumferential side of the locking sleeve.

[0008] By adopting the above technical solution, the mortise cutter head is sleeved on the circumferential side of the fixed sleeve, and the locking end of the locking part is inserted and matched with the mortise cutter head, then the threaded sleeve is rotated to threadedly connect the threaded sleeve with the locking sleeve, and the locking end of the locking part is limited by the threaded sleeve, so that the locking end of the locking part cannot be separated from the insertion of the mortise cutter head, thereby detachably connecting the mortise cutter head on the circumferential side of the fixed sleeve.

[0009] Preferably, the mortise cutter head comprises an insertion sleeve and a plurality of cutter bodies fixed at equal intervals from top to bottom on the circumferential side of the insertion sleeve, and the top surface of the locking sleeve is provided with an insertion slot matched with the insertion sleeve.

[0010] By adopting the above technical solution, the insertion sleeve is matched with the insertion slot, which plays a positioning role in sleeving the insertion sleeve on the fixed sleeve.

[0011] Preferably, the inside of the locking sleeve is provided with a receiving cavity for accommodating the locking piece, the locking piece comprises a locking block arranged in the receiving cavity, a sliding ring fixedly sleeved on the circumferential side of the locking block and in sliding connection with the receiving cavity, and a spring sleeved on the circumferential side of the locking block, the circumferential side of the plug-in sleeve is provided with a locking groove in plug-in cooperation with the locking block, and the end of the locking block close to the plug-in sleeve is in plug-in cooperation with the locking groove when the plug-in sleeve is sleeved on the circumferential side of the fixed sleeve and the bottom end of the plug-in sleeve is in plug-in cooperation with the insertion slot.

[0012] By adopting the above technical scheme, when the plug-in sleeve is sleeved on the circumferential side of the fixed sleeve and the bottom end of the plug-in sleeve is in plug-in cooperation with the insertion slot, the end of the locking block close to the plug-in sleeve is in plug-in cooperation with the locking groove, so as to fix the plug-in sleeve on the fixed sleeve.

[0013] Preferably, the upper opening of the threaded sleeve is provided with a circular chamfer, and the end of the locking block extending out of the locking sleeve is provided with an inclined chamfer matched with the circular chamfer, so that the circular chamfer abuts against the inclined chamfer when the threaded sleeve is in threaded connection with the locking sleeve, so that the threaded sleeve pushes the locking block to be completely inserted into the locking groove.

[0014] By adopting the above technical scheme, when the threaded sleeve is in threaded connection with the locking sleeve, the circular chamfer abuts against the inclined chamfer, so that the threaded sleeve pushes the locking block to be completely inserted into the locking groove, and under the limiting action of the threaded sleeve, the locking block cannot be separated from the plug-in cooperation with the locking groove; so as to lock the plug-in sleeve on the circumferential side of the fixed sleeve.

[0015] Preferably, the top end of the fixed sleeve is fixedly connected with a stud coaxially arranged with the fixed sleeve, a gasket is sleeved on the stud, and a nut is threadedly connected on the stud, and the gasket is limited between the bottom surface of the nut and the top end of the plug-in sleeve.

[0016] By adopting the above technical scheme, the gasket limited between the bottom surface of the nut and the top end of the plug-in sleeve can reinforce the plug-in sleeve sleeved on the fixed sleeve.

[0017] Preferably, the driving end of the driving piece is fixedly connected with a vertically arranged connecting shaft, the circumferential side of the connecting shaft is fixedly connected with a long strip key, and the inner side wall of the fixed sleeve is provided with a long strip groove in sliding connection with the long strip key.

[0018] By adopting the above technical scheme, when the fixed sleeve is sleeved on the connecting shaft, the long strip key is in sliding connection with the long strip groove, so that the rotating connecting shaft can drive the fixed sleeve to rotate.

[0019] Preferably, the bottom of the circumference of the connecting shaft is sleeved with a limiting ring, the bottom of the circumference of the fixing sleeve is sleeved with an abutting ring, when the fixing sleeve is sleeved on the connecting shaft, the bottom of the abutting ring abuts against the top of the limiting ring, a threaded cover is movably sleeved on the circumference of the fixing sleeve, and the threaded cover is threadedly connected with the abutting ring and the limiting ring.

[0020] By adopting the technical scheme, when the fixing sleeve is sleeved on the connecting shaft, the bottom of the abutting ring abuts against the top of the limiting ring, the threaded cover is rotated to be threadedly connected with the abutting ring and the limiting ring, and the fixing sleeve is fixed on the connecting shaft.

[0021] Preferably, the top of the workbench is provided with a heightening plate.

[0022] By adopting the technical scheme, the height of the cutting part of the mortise cutter assembly can match the wood template.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The mortise cutter head is sleeved on the circumference of the fixing sleeve, the locking end of the locking piece is inserted into the mortise cutter head, then the threaded sleeve is rotated to be threadedly connected with the locking sleeve, the locking end of the locking piece is limited by the threaded sleeve, the locking end of the locking piece cannot be separated from the insertion of the mortise cutter head, and the mortise cutter head is detachably connected on the circumference of the fixing sleeve.

[0025] 2. The insertion sleeve is sleeved on the circumference of the fixing sleeve, the bottom end of the insertion sleeve is inserted into the insertion slot, and the end of the locking block close to the insertion sleeve is inserted into the locking slot, so that the insertion sleeve is fixed on the fixing sleeve.

[0026] 3. When the threaded sleeve is threadedly connected with the locking sleeve, the circular chamfer abuts against the bevel chamfer, the threaded sleeve pushes the locking block to be completely inserted into the locking slot, and the locking block cannot be separated from the insertion of the locking slot under the limiting action of the threaded sleeve, so that the insertion sleeve is locked on the circumference of the fixing sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic view of the overall structure of the present application.

[0028] Figure 2 is a sectional view of the overall structure of the present application.

[0029] Figure 3 is Figure 2 is a partial enlarged view of part A in FIG. 1.

[0030] Figure 4 is Figure 2 is a partial enlarged view of part B in FIG. 1.

[0031] Explanation of reference signs: 1, workbench; 11, heightening plate; 12, mounting rack; 13, accommodation opening; 2, driving member; 21, connecting shaft; 211, long key; 22, limiting ring; 3, fixing sleeve; 31, locking sleeve; 311, insertion groove; 312, accommodating cavity; 313, locking block; 3131, oblique chamfer; 314, sliding ring; 315, spring; 32, threaded sleeve; 321, round chamfer; 33, insertion sleeve; 331, cutter body; 332, locking groove; 34, blocking ring; 35, stud; 351, gasket; 352, nut; 36, long slot; 37, abutting ring; 38, threaded cover. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying Figures 1-4 The application is further described in detail.

[0033] The embodiments of the application disclose a mortise cutter device. Referring to Figure 1 and Figure 2 The mortise cutter device comprises a workbench 1, a mortise cutter assembly arranged on the workbench 1 and a driving member 2 arranged on the workbench 1 and connected with the mortise cutter assembly; a wooden template to be slotted and edged is placed on the top surface of the workbench 1, the mortise cutter assembly is installed on the driving end of the driving member 2, the mortise cutter assembly is driven to rotate by the driving member 2, and the wooden template is horizontally pushed towards the direction close to the mortise cutter assembly, so that the mortise cutter assembly slots and edges the wooden template.

[0034] After the mortise cutter assembly is installed on the driving end of the driving member 2, the cutting part of the mortise cutter assembly is high in height, the heightening plate 11 is installed on the top surface of the workbench 1, and the wooden template to be slotted and edged is placed on the top surface of the heightening plate 11, so that the height of the cutting part of the mortise cutter assembly can match the wooden template.

[0035] The bottom surface of the workbench 1 is provided with the mounting rack 12, the cross section of the mounting rack 12 is in a U shape and the opening of the mounting rack 12 is arranged upward; the driving member 2 is vertically arranged on the top of the inner wall of the mounting rack 12, and the driving end of the driving member 2 is arranged upward. The accommodation opening 13 corresponding to the position of the driving end of the driving member 2 is arranged on the top surface of the workbench 1.

[0036] Referring to Figure 2 and Figure 3The mortise and tenon cutter assembly includes a fixed sleeve 3 connected to the driving end of the driving member 2, a mortise and tenon cutter head movably sleeved on the circumference of the fixed sleeve 3, a locking sleeve 31 fixedly sleeved on the circumference of the fixed sleeve 3, a locking member arranged inside the locking sleeve 31 and the locking end of which is plugged into the mortise and tenon cutter head, and a threaded sleeve 32 threadedly connected to the circumference of the locking sleeve 31; the mortise and tenon cutter head is sleeved on the circumference of the fixed sleeve 3, and the locking end of the locking member is plugged into and matched with the mortise and tenon cutter head, and then the threaded sleeve 32 is rotated to thread the threaded sleeve 32 and the locking end of the locking member is limited by the threaded sleeve 32 so that the locking end of the locking member cannot be separated from the plug-in with the mortise and tenon cutter head, thereby making the mortise and tenon cutter head detachable and connected to the circumference of the fixed sleeve 3.

[0037] The mortise and tenon cutter head comprises a plug-in sleeve 33 and a plurality of blades 331 fixed to the circumference of the plug-in sleeve 33 at equal intervals from top to bottom. The plug-in sleeve 33 is a hollow cylinder with openings at both the top and bottom. A slot 311 is defined on the top surface of the locking sleeve 31. This slot 311 is annular and coaxial with the fixed sleeve 3. The plug-in sleeve 33 is fitted around the circumference of the fixed sleeve 3, with the bottom end of the plug-in sleeve 33 engaging with the slot 311.

[0038] The locking sleeve 31 has a plurality of evenly distributed accommodating cavities 312 formed therein. The number of locking elements matches the number of accommodating cavities 312 and corresponds one-to-one. The locking elements are disposed in corresponding accommodating cavities 312. The locking elements include a locking block 313 disposed in the accommodating cavities 312, a sliding ring 314 fixedly mounted on the periphery of the locking block 313 and slidably connected to the accommodating cavities 312, and a spring 315 mounted on the periphery of the locking block 313. One end of the spring 315 is fixedly connected to the side of the sliding ring 314 away from the plug-in sleeve 33, and the end of the spring 315 away from the sliding ring 314 is fixed in the accommodating cavities 312. A locking groove 332 corresponding to the position of the locking block 313 is formed on the periphery of the plug-in sleeve 33. When the plug-in sleeve 33 is mounted on the periphery of the fixed sleeve 3 and the bottom end of the plug-in sleeve 33 is engaged with the slot 311, the end of the locking block 313 proximal to the plug-in sleeve 33 engages with the locking groove 332.

[0039] When the locking cam 331 is in the unlocking state, the locking cam 331 will be locked in the unlocking state, so the unlocking cam 331 will be locked in the unlocking state.

[0040] The upper opening of the threaded sleeve 32 is provided with a round chamfer 321, and the end of the locking block 313 extending out of the locking sleeve 31 is provided with a bevel chamfer 3131 matched with the round chamfer 321. When the threaded sleeve 32 is threadedly connected with the locking sleeve 31, the round chamfer 321 abuts against the bevel chamfer 3131, so that the threaded sleeve 32 pushes the locking block 313 to be completely inserted into the locking groove 332, and under the limiting action of the threaded sleeve 32, the locking block 313 cannot be separated from the insertion with the locking groove 332; so as to lock the insertion sleeve 33 on the peripheral side of the fixed sleeve 3. The peripheral side of the fixed sleeve 3 is fixedly provided with a blocking ring 34, which is located below the threaded sleeve 32 and is located in the limiting threaded sleeve 32.

[0041] Referring to Figure 2 and Figure 3 , in order to be able to reinforce the insertion sleeve 33 sleeved on the fixed sleeve 3, the top end of the fixed sleeve 3 is fixedly connected with a stud 35 coaxially arranged with the fixed sleeve 3, the stud 35 is sleeved with a gasket 351, and the stud 35 is threadedly connected with a nut 352; the gasket 351 is limited between the bottom surface of the nut 352 and the top end of the insertion sleeve 33.

[0042] Referring to Figure 2 and Figure 4 , the driving end of the driving member 2 is fixedly connected with a vertically arranged connecting shaft 21, and the bottom of the peripheral side of the connecting shaft 21 is fixedly sleeved with a limiting ring 22; the bottom end of the fixed sleeve 3 is sleeved on the peripheral side of the connecting shaft 21, and the peripheral side of the connecting shaft 21 is fixedly connected with two symmetrically arranged long strip keys 211, and the inner side wall of the fixed sleeve 3 is provided with two long strip grooves 36, and the long strip keys 211 are slidingly connected with the position corresponding long strip grooves 36; the bottom of the peripheral side of the fixed sleeve 3 is fixedly sleeved with an abutting ring 37, and when the fixed sleeve 3 is sleeved on the connecting shaft 21, the bottom surface of the abutting ring 37 abuts against the top surface of the limiting ring 22, and the peripheral side of the fixed sleeve 3 is movably sleeved with a threaded cover 38, and the threaded cover 38 is threadedly connected with the abutting ring 37 and the limiting ring 22. The cross-sectional area of the threaded cover 38 is smaller than the cross-sectional area of the allowance opening 13, so that the threaded cover 38 can pass through the allowance opening 13. In this embodiment, the driving member 2 is a motor.

[0043] The implementation principle of the mortise cutter device is as follows: the mortise cutter head is sleeved on the circumferential side of the fixed sleeve 3, and the locking end of the locking piece is inserted and matched with the mortise cutter head, then the threaded sleeve 32 is rotated to make the threaded sleeve 32 be screwed with the locking sleeve 31, and the locking end of the locking piece is limited by the threaded sleeve 32, so that the locking end of the locking piece cannot be separated from the insertion of the mortise cutter head, thereby the mortise cutter head is installed on the circumferential side of the fixed sleeve 3; when the fixed sleeve 3 is sleeved on the connecting shaft 21, the bottom surface of the abutting ring 37 abuts against the top surface of the limiting ring 22, the threaded cover 38 is rotated to make the threaded cover 38 be screwed with the abutting ring 37 and the limiting ring 22, thereby the fixed sleeve 3 is fixed on the connecting shaft 21.

[0044] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A mortise and tenon knife device, characterized in that: The invention comprises a workbench (1), a mortise knife assembly arranged on the workbench (1), and a driving member (2) arranged on the workbench (1) and connected to the mortise knife assembly, wherein the mortise knife assembly comprises a fixed sleeve (3) connected to the driving end of the driving member (2), a mortise knife head movably sleeved on the circumference of the fixed sleeve (3), a locking sleeve (31) fixedly sleeved on the circumference of the fixed sleeve (3), a locking member arranged inside the locking sleeve (31) and having a locking end plugged into the mortise knife head, and a threaded sleeve (32) threadedly connected to the circumference of the locking sleeve (31).

2. A mortise and tenon knife device according to claim 1, characterized in that: The mortise and tenon cutter head comprises a plug-in sleeve (33) and a plurality of cutter bodies (331) fixed on the peripheral side of the plug-in sleeve (33) at equal intervals from top to bottom. A slot (311) for plugging and matching with the plug-in sleeve (33) is provided on the top surface of the locking sleeve (31).

3. A mortise and tenon knife device according to claim 2, characterized in that: The locking sleeve (31) is provided with an accommodating cavity (312) for accommodating a locking member. The locking member comprises a locking block (313) arranged in the accommodating cavity (312), a sliding ring (314) fixedly sleeved on the peripheral side of the locking block (313) and slidably connected to the accommodating cavity (312), and a spring (315) sleeved on the peripheral side of the locking block (313). A locking groove (332) for plugging and matching with the locking block (313) is provided on the peripheral side of the plug-in sleeve (33). When the plug-in sleeve (33) is sleeved on the peripheral side of the fixed sleeve (3) and the bottom end of the plug-in sleeve (33) is plugged and matched with the slot (311), the end of the locking block (313) close to the plug-in sleeve (33) is plugged and matched with the locking groove (332).

4. A mortise and tenon knife device according to claim 3, characterized in that: A round chamfer (321) is provided at the upper opening of the threaded sleeve (32), and an end of the locking block (313) extending outside the locking sleeve (31) is provided with an oblique chamfer (3131) matching the round chamfer (321). When the threaded sleeve (32) and the locking sleeve (31) are threadedly connected, the round chamfer (321) abuts against the oblique chamfer (3131), so that the threaded sleeve (32) pushes the locking block (313) to be completely inserted into the locking groove (332).

5. The mortise and tenon knife device according to claim 2, characterized in that: The top end of the fixed sleeve (3) is fixedly connected to a stud (35) coaxially arranged with the fixed sleeve (3), a gasket (351) is sleeved on the stud (35), and a nut (352) is threadedly connected to the stud (35), and the gasket (351) is limited between the bottom surface of the nut (352) and the top end of the plug-in sleeve (33).

6. The mortise and tenon knife device according to claim 1, characterized in that: A vertically arranged connecting shaft (21) is fixedly connected to the driving end of the driving member (2), a long key (211) is fixedly connected to the circumferential side of the connecting shaft (21), and a long groove (36) is provided on the inner side wall of the fixed sleeve (3) and is slidably connected to the long key (211).

7. The mortise and tenon knife device according to claim 6, characterized in that: The bottom fixed sleeve of the peripheral side of the connecting shaft (21) is provided with a limiting ring (22), and the bottom fixed sleeve of the peripheral side of the fixing sleeve (3) is provided with an abutting ring (37). When the fixing sleeve (3) is sleeved on the connecting shaft (21), the bottom surface of the abutting ring (37) abuts against the top surface of the limiting ring (22). The peripheral side of the fixing sleeve (3) is movably sleeved with a threaded cover (38), and the threaded cover (38) is threadedly connected to the abutting ring (37) and the limiting ring (22).

8. The mortise and tenon knife device according to claim 1, characterized in that: A raising plate (11) is installed on the top surface of the workbench (1).