Distance-adjustable milling cutter

Abstract

The utility model discloses a distance-adjustable milling cutter which comprises a milling cutter rod, a milling cutter head is arranged above the milling cutter rod, a stop mechanism is arranged at the top end in the milling cutter rod, and an adjusting mechanism is further arranged at the bottom end of the milling cutter rod. When a worker needs to replace cutter heads with different hardness when machining workpieces with different materials, the worker can firstly pull a sliding block downwards to enable a sliding rod to slide downwards, then the milling cutter head and the milling cutter rod are fixedly connected through an arranged external thread and a first internal thread, then the worker can loosen the sliding block, and the milling cutter head and the milling cutter rod are fixedly connected through a second internal thread. According to the device, the milling cutter head is arranged, then the arranged clamping block is connected with the arranged clamping groove in a clamped mode under the action of the spring, so that the milling cutter head is fixed more stably, and the situation that the milling cutter head is loosened due to the fact that the threaded connection position is damaged after the milling cutter head is subjected to impact force in the machining process is reduced; and the length of the milling cutter rod can be adjusted through the arranged adjusting mechanism, so that different machining requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a milling cutter with adjustable distance. Background Art

[0002] In the existing references, the utility model patent with patent application publication number CN220921022U discloses an adjustable-distance milling cutter, including a milling cutter rod, a milling cutter body is provided at the top of the milling cutter rod, and an adjustment mechanism is provided at the bottom of the milling cutter rod. The utility model improves the structure of the existing milling cutter by opening a groove body at the bottom end of the milling cutter, opening a plurality of through holes A on the groove body, and arranging an adjustment mechanism at the bottom end of the milling cutter rod, and sleeves the adjusting mechanism at the bottom end of the milling cutter rod. A limit rod and a limit block are penetrated through the through hole A and the through hole B, so that the length of the milling cutter can be increased by adjusting the limit rod and the limit block according to different needs. A threaded rod is also provided at the bottom end of the blade assembly, and the threaded hole opened at the top of the milling cutter body is threadedly connected by the threaded rod, so that workpieces of different materials can be processed by simply replacing the blade assembly of the corresponding hardness, thereby avoiding the need for multiple milling cutters of different lengths and materials, which is beneficial to saving costs and avoiding waste of resources.

[0003] However, the utility model mentions that a threaded rod is provided at the bottom end of the blade assembly, and the threaded rod is used to threadably connect the threaded hole opened at the top of the milling cutter body, so as to achieve the purpose of only replacing the blade assembly of corresponding hardness when processing workpieces of different materials. During the processing process, the blade assembly is only connected by threads. The impact force borne during the processing of the blade assembly is likely to cause damage to the threaded connection, thereby causing the blade assembly to loosen or detach.

[0004] Therefore, the utility model provides a milling cutter with adjustable distance to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a milling cutter with adjustable pitch, which solves the above problems.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a milling cutter with adjustable distance, comprising a milling cutter rod, a milling cutter head is arranged above the milling cutter rod, a stopping mechanism is installed at the top of the milling cutter rod, and an adjusting mechanism is also installed at the bottom end of the milling cutter rod, the stopping mechanism includes a mounting groove, a slide rod, a spring, a through groove and a slider, a mounting groove is vertically opened inside the milling cutter rod, a slide rod is slidably installed inside the mounting groove, a spring is fixedly installed at the bottom end of the mounting groove, the top of the spring is fixedly connected to the bottom end of the slide rod, a through groove is opened on the right side of the milling cutter rod and is connected to the mounting groove, a slider is slidably installed inside the through groove, and the left side of the slider is fixedly connected to the slide rod.

[0007] Preferably, the stopping mechanism also includes a blocking block, a mounting column, a slot, an external thread and a first internal thread; a mounting column is fixedly installed at the middle position of the bottom end of the milling head, an external thread is provided on the outer wall of the mounting column, a first internal thread corresponding to the external thread is provided on the inner wall at the top end of the mounting slot, a blocking block is fixedly installed at the top end of the slide rod, and a slot is provided at the corresponding position of the bottom end of the mounting column and the blocking block.

[0008] Preferably, the card block and the card slot are both in a cross shape, and the card block is engaged and connected with the card slot.

[0009] Preferably, a non-slip filling pad is fixedly mounted on the inner wall of the slot.

[0010] Preferably, the adjustment mechanism includes a sleeve, a rotating seat, a driving groove and a threaded rod, the bottom end of the milling rod is slidably mounted with a sleeve, the bottom end of the sleeve is embedded with a rotating seat for rotatable mounting, the bottom end of the milling rod is vertically provided with a driving groove, the top of the rotating seat is fixedly mounted with a threaded rod, and the inner wall of the driving groove is provided with a second internal thread corresponding to the threaded rod.

[0011] Preferably, the adjustment mechanism further includes an avoidance groove and a knob, the bottom end of the sleeve is provided with an avoidance groove, the inside of the avoidance groove is provided with a knob, and the top end of the knob is fixedly connected to the bottom end of the rotating seat.

[0012] Preferably, a hexagonal groove is provided at the middle position of the bottom end of the knob.

[0013] Preferably, slide bars are vertically fixedly installed on the inner walls on both sides of the sleeve, and slide grooves are opened on the outer walls on both sides of the milling cutter rod at positions corresponding to the slide bars, and each group of the slide bars is slidably connected to the slide grooves at corresponding positions.

[0014] Preferably, a guide rod is vertically fixedly installed inside the through slot, and the sliding block is slidably connected to the guide rod.

[0015] Preferably, a bearing is provided at the rotational connection between the rotating seat and the bottom of the sleeve.

[0016] Beneficial Effects

[0017] The utility model provides a milling cutter with adjustable distance. Compared with the prior art, it has the following beneficial effects:

[0018] When the staff processes workpieces of different materials and replaces cutter heads of different hardness, the staff can first slide the slide bar downward by pulling the slider downward, and then fix the milling cutter head and the milling cutter rod through the set external thread and the first internal thread. Then the staff can loosen the slider, and then the set clamping block is engaged with the set clamping groove under the action of the spring, thereby making the fixation of the milling cutter head more stable and reducing the possibility of the milling cutter head loosening due to damage to the threaded connection after the milling cutter head is subjected to impact force during processing. In addition, in the present device, the length of the milling cutter rod can be adjusted by the set adjustment mechanism to meet different processing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 This utility model Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 This utility model Figure 2 The enlarged structural diagram at B in the middle;

[0023] Figure 5 It is a schematic diagram of the structure of the utility model when viewed from above in cross section;

[0024] Figure 6 This utility model Figure 5 The enlarged structural diagram at C in the middle;

[0025] Figure 7 This utility model Figure 5 Enlarged structural diagram at D in the middle.

[0026] In the figure, 1, milling cutter rod; 2, milling cutter head; 3, mounting groove; 4, sliding rod; 5, spring; 6, through groove; 7, sliding block; 8, clamping block; 9, mounting column; 10, clamping groove; 11, external thread; 12, first internal thread; 13, sleeve; 14, sliding bar; 15, sliding groove; 16, rotating seat; 17, driving groove; 18, threaded rod; 19, avoidance groove; 20, knob; 21, guide rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1:

[0029] See also Figure 1-7 A milling cutter with adjustable distance comprises a milling cutter rod 1, a milling cutter head 2 is arranged above the milling cutter rod 1, a stopping mechanism is installed at the top of the milling cutter rod 1, and an adjusting mechanism is also installed at the bottom of the milling cutter rod 1. The stopping mechanism comprises a mounting groove 3, a slide bar 4, a spring 5, a through groove 6 and a slider 7. A mounting groove 3 is vertically opened inside the milling cutter rod 1, a slide bar 4 is slidably installed inside the mounting groove 3, a spring 5 is fixedly installed at the bottom end of the mounting groove 3, the top of the spring 5 is fixedly connected to the bottom end of the slide bar 4, a through groove 6 is opened on the right side of the milling cutter rod 1, and is connected to the mounting groove 3, a slider 7 is slidably installed inside the through groove 6, and the left side of the slider 7 is fixedly connected to the slide bar 4.

[0030] The stopping mechanism also includes a clamping block 8, a mounting column 9, a clamping groove 10, an external thread 11 and a first internal thread 12. The mounting column 9 is fixedly installed at the middle position of the bottom end of the milling head 2, and the outer wall of the mounting column 9 is provided with an external thread 11. The inner wall of the top end of the mounting groove 3 is provided with a first internal thread 12 corresponding to the external thread 11. The clamping block 8 is fixedly installed at the top end of the slide rod 4, and a clamping groove 10 is provided at the corresponding position of the bottom end of the mounting column 9 and the clamping block 8.

[0031] The clamping block 8 and the clamping slot 10 are both in a cross shape, and the clamping block 8 is clamped and connected with the clamping slot 10 .

[0032] An anti-skid filling pad is fixedly mounted on the inner wall of the card slot 10 .

[0033] When the staff processes workpieces of different materials and replaces cutter heads of different hardness, the staff can first pull down the slider 7 to slide the slide bar 4 downward in the opened installation groove 3, and then the staff can fix the milling head 2 and the milling rod 1 through the external thread 11 set on the outer wall of the installation column 9 fixedly connected to the bottom end of the milling head 2 and the first internal thread 12 opened in the installation groove 3. Then the staff can loosen the slider 7, and then the set clamping block 8 is engaged with the set clamping groove 10 under the action of the spring 5, thereby making the fixation of the milling head 2 more stable, and reducing the possibility of the milling head 2 becoming loose due to damage to the threaded connection after the milling head 2 is subjected to impact force during processing.

[0034] Embodiment 2:

[0035] See also Figure 1-7 This embodiment provides a technical solution based on the first embodiment: the adjustment mechanism includes a sleeve 13, a rotating seat 16, a driving groove 17 and a threaded rod 18, the sleeve 13 is slidably installed at the bottom end of the milling cutter rod 1, the rotating seat 16 is embedded and rotatably installed at the bottom end of the sleeve 13, a driving groove 17 is vertically opened at the bottom end of the milling cutter rod 1, a threaded rod 18 is fixedly installed at the top of the rotating seat 16, and a second internal thread corresponding to the threaded rod 18 is opened on the inner wall of the driving groove 17.

[0036] The adjustment mechanism further includes an avoidance groove 19 and a knob 20 . The bottom end of the sleeve 13 is provided with an avoidance groove 19 . The inside of the avoidance groove 19 is provided with the knob 20 . The top end of the knob 20 is fixedly connected to the bottom end of the rotating seat 16 .

[0037] A hexagonal socket is provided at the middle position of the bottom end of the knob 20 .

[0038] Slide bars 14 are vertically fixedly installed on the inner walls on both sides of the sleeve 13, and slide grooves 15 are opened on the outer walls on both sides of the milling cutter rod 1 at positions corresponding to the slide bars 14. Each group of slide bars 14 is slidably connected to the slide grooves 15 at corresponding positions.

[0039] A guide rod 21 is vertically fixedly installed inside the through slot 6 , and the slide block 7 is slidably connected to the guide rod 21 .

[0040] A bearing is provided at the rotation connection between the rotating seat 16 and the bottom of the sleeve 13 .

[0041] When using the present device, the staff can also drive the rotating seat 16 to rotate by turning the knob 20, thereby driving the threaded rod 18 fixedly installed on the top of the rotating seat 16 to rotate, thereby driving the milling cutter rod 1 to slide inside the sleeve 13 and adjusting the length of the milling cutter rod 1 to meet different processing requirements, thereby making the present device more practical.

[0042] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A milling cutter with adjustable pitch, comprising a milling cutter bar (1), characterized in that: A milling cutter head (2) is arranged above the milling cutter rod (1), a stop mechanism is arranged at the top end of the milling cutter rod (1), and an adjustment mechanism is arranged at the bottom end of the milling cutter rod (1), the stop mechanism comprises a mounting groove (3), a slide bar (4), a spring (5), a through groove (6) and a slider (7), a mounting groove (3) is vertically opened inside the milling cutter rod (1), a slide bar (4) is slidably installed inside the mounting groove (3), a spring (5) is fixedly installed at the bottom end of the mounting groove (3), the top end of the spring (5) is fixedly connected to the bottom end of the slide bar (4), a through groove (6) is opened on the right side of the milling cutter rod (1) and is connected to the mounting groove (3), a slider (7) is slidably installed inside the through groove (6), and the left side of the slider (7) is fixedly connected to the slide bar (4).

2. The adjustable-pitch milling cutter according to claim 1, characterized in that: The stopping mechanism further comprises a clamping block (8), a mounting column (9), a clamping groove (10), an external thread (11) and a first internal thread (12); a mounting column (9) is fixedly mounted at the middle position of the bottom end of the milling cutter head (2); an external thread (11) is provided on the outer wall of the mounting column (9); a first internal thread (12) corresponding to the external thread (11) is provided on the inner wall of the top end of the mounting groove (3); a clamping block (8) is fixedly mounted at the top end of the slide rod (4); a clamping groove (10) is provided at the bottom end of the mounting column (9) at a position corresponding to the clamping block (8).

3. The adjustable-pitch milling cutter according to claim 2, characterized in that: The card block (8) and the card slot (10) are both in a cross shape, and the card block (8) is engaged and connected with the card slot (10).

4. The adjustable-pitch milling cutter according to claim 2, characterized in that: An anti-slip filling pad is fixedly mounted on the inner wall of the card slot (10).

5. The adjustable-pitch milling cutter according to claim 1, characterized in that: The adjusting mechanism comprises a sleeve (13), a rotating seat (16), a driving groove (17) and a threaded rod (18); the sleeve (13) is slidably mounted on the bottom end of the milling cutter rod (1); the rotating seat (16) is embedded and rotatably mounted on the bottom end of the sleeve (13); the driving groove (17) is vertically provided at the bottom end of the milling cutter rod (1); the threaded rod (18) is fixedly mounted on the top end of the rotating seat (16); and a second internal thread corresponding to the threaded rod (18) is provided on the inner wall of the driving groove (17).

6. The adjustable-pitch milling cutter according to claim 5, characterized in that: The adjustment mechanism further comprises an avoidance groove (19) and a knob (20); the bottom end of the sleeve (13) is provided with an avoidance groove (19); the inside of the avoidance groove (19) is provided with a knob (20); the top end of the knob (20) is fixedly connected to the bottom end of the rotating seat (16).

7. The adjustable-pitch milling cutter according to claim 6, characterized in that: A hexagonal groove is provided at the middle position of the bottom end of the knob (20).

8. The adjustable-pitch milling cutter according to claim 5, characterized in that: Slide bars (14) are vertically fixedly installed on the inner walls on both sides of the sleeve (13), and slide grooves (15) are opened at positions corresponding to the slide bars (14) on the outer walls on both sides of the milling cutter rod (1), and each group of the slide bars (14) is slidably connected to the slide grooves (15) at corresponding positions.

9. The adjustable-pitch milling cutter according to claim 1, characterized in that: A guide rod (21) is vertically fixedly installed inside the through groove (6), and the sliding block (7) is slidably connected to the guide rod (21).

10. The adjustable-pitch milling cutter according to claim 5, characterized in that: A bearing is provided at the rotation connection between the rotating seat (16) and the bottom of the sleeve (13).

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