Tooth groove machining device for automobile headrest insertion rod

Abstract

The utility model belongs to the technical field of automobile part machining, and particularly relates to a tooth groove machining device for an automobile headrest inserting rod, which comprises a clamping assembly, a tooth groove machining assembly, a tooth groove machining assembly and a tooth groove machining assembly, and the clamping assembly comprises a lower clamping block and an upper clamping block matched with the lower clamping block; the upper clamping block is suitable for fixing the insertion rod when being attached to the lower clamping block; the cutting assembly comprises a moving part penetrating through the lower clamping block and the upper clamping block, at least one column of multiple first cutting wheels vertically arranged at equal intervals and at least one column of multiple second cutting wheels vertically arranged at equal intervals; the first cutting wheels and the second cutting wheels are rotationally connected with the moving part; according to the tooth groove machining device for the automobile headrest insertion rods, the first cutting wheels and the second cutting wheels are driven by the moving part to move in a reciprocating mode so as to groove the insertion rods on the lower clamping block and the upper clamping block, and therefore the effects that a plurality of tooth grooves are machined at a time, and the machining efficiency is improved are achieved.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts processing technology, specifically relating to a toothed groove processing device for automotive headrest insert rods. Background Technology

[0002] With the rapid development of the automotive industry, the comfort and safety of car seats are receiving increasing attention. As an important component of the seat, the headrest not only provides head support for passengers but also protects the neck in emergencies. To achieve the headrest height adjustment function, a certain number of grooves are usually machined into the headrest insert to cooperate with the seat's adjustment mechanism.

[0003] Traditional gear groove machining devices mostly use a single cutting wheel for machining, and can only machine one gear groove at a time. During the machining process, it is necessary to repeatedly clamp and adjust the cutting position to complete the machining of the entire insert gear groove. The machining efficiency is low and it is difficult to meet the needs of modern automobile manufacturing industry.

[0004] Therefore, in order to solve the above problems, it is necessary to design a toothed groove machining device for automotive headrest inserts. Utility Model Content

[0005] The purpose of this invention is to provide a tooth groove machining device for automotive headrest inserts, in order to solve the technical problem of low machining efficiency of existing tooth groove machining devices.

[0006] To solve the above-mentioned technical problems, this utility model provides a toothed groove machining device for automotive headrest inserts, comprising:

[0007] A clamping assembly includes: a lower clamping block and an upper clamping block adapted to the lower clamping block; wherein

[0008] The upper clamping block is adapted to fix the insert rod when it is in contact with the lower clamping block;

[0009] A cutting assembly includes: a movable member penetrating a lower clamping block and an upper clamping block; at least one row of vertically equidistantly arranged first cutting wheels; and at least one row of vertically equidistantly arranged second cutting wheels; wherein...

[0010] Each of the first cutting wheels and each of the second cutting wheels is rotatably connected to the moving part;

[0011] The movable component is slidably connected to the lower clamping block and the upper clamping block; and

[0012] The movable component is adapted to drive each first cutting wheel and each second cutting wheel to reciprocate, so as to slot the insert rods on the lower clamping block and the upper clamping block.

[0013] Furthermore, the top of the lower clamping block is provided with a first inclined surface; wherein

[0014] At least one first placement portion is provided on the first inclined surface;

[0015] The bottom of the upper clamping block is provided with a second inclined section; wherein

[0016] At least one second placement portion is provided on the second inclined surface;

[0017] When the first inclined surface is adapted to fit with the second inclined surface, the first placement part and the second placement part fix the insertion rod.

[0018] Furthermore, the top of the lower clamping block is provided with at least one first clearance portion and at least one second clearance portion; wherein

[0019] Any of the first clearance parts is connected to any of the second clearance parts;

[0020] The top of the upper clamping block is provided with at least one third clearance portion and at least one fourth clearance portion; wherein

[0021] Any of the third clearance parts is connected to any of the fourth clearance parts;

[0022] The first, second, third, and fourth clearance parts are adapted to move and clear each of the first and second cutting wheels.

[0023] Furthermore, the movable component has an irregularly shaped placement portion on its side;

[0024] The top of the movable component is provided with a movable part that communicates with the irregularly shaped placement part;

[0025] The cutting assembly further includes: a movable seat slidably connected to the irregular shape placement part, a movable plate located within the irregular shape placement part, and a connecting block slidably connected to the movable part; wherein

[0026] The side of the movable seat is provided with a third inclined section;

[0027] The movable plate has a fourth inclined section on its side; and

[0028] The third and fourth inclined surfaces are in contact and slidably connected;

[0029] The connecting block is connected to the movable plate; wherein

[0030] The connecting block and the movable plate are adapted to push the movable seat to slide outward within the irregular placement section when it moves downward.

[0031] Furthermore, the movable seat has at least one first through portion and at least one second through portion on its side; wherein

[0032] Any of the first passages is connected to any of the second passages; and

[0033] Each of the first cutting wheels is disposed within the first through portion;

[0034] Each of the second cutting wheels is disposed within the second through section.

[0035] Furthermore, the side of the movable base has at least two oblique through holes; wherein

[0036] Each of the aforementioned oblique through holes is connected to each of the first through portions and each of the second through portions; and

[0037] Each of the oblique through holes is arranged in a cross shape with each of the first through parts and each of the second through parts;

[0038] The cutting assembly further includes: a first rotating shaft installed in each oblique through hole, and at least two oblique eccentric wheels sleeved on the first rotating shaft; wherein

[0039] Each of the first cutting wheels and each of the second cutting wheels is respectively mounted on the corresponding oblique eccentric wheel.

[0040] On the other hand, this utility model provides a toothed groove machining device for automotive headrest inserts, comprising:

[0041] A clamping assembly includes: a lower clamping block and an upper clamping block adapted to the lower clamping block; wherein

[0042] The upper clamping block is adapted to fix the insert rod when it is in contact with the lower clamping block;

[0043] The cutting assembly includes: a movable cover extending through the lower clamping block and the upper clamping block; and at least one row of several first cutting wheels arranged vertically and equidistantly.

[0044] The diameter of each of the first cutting wheels increases sequentially from bottom to top;

[0045] Each of the first cutting wheels is rotatably connected to the movable cover;

[0046] The movable cover is slidably connected to the lower clamping block and the upper clamping block; and

[0047] The movable cover is adapted to drive each of the first cutting wheels to reciprocate, so as to slot the insert rods on the lower clamping block and the upper clamping block.

[0048] Furthermore, the top of the lower clamping block is provided with a first inclined surface; wherein

[0049] At least one first placement portion is provided on the first inclined surface;

[0050] The bottom of the upper clamping block is provided with a second inclined section; wherein

[0051] At least one second placement portion is provided on the second inclined surface;

[0052] When the first inclined portion is adapted to fit with the second inclined portion, the first placement portion and the second placement portion fix the insertion rod.

[0053] The top of the lower clamping block is provided with at least one first clearance portion;

[0054] The top of the upper clamping block is provided with at least one third clearance portion; wherein

[0055] The first and third clearance parts are adapted to move and clear each of the first cutting wheels.

[0056] Furthermore, the cutting assembly also includes: a movable component slidably connected to the inner wall of the movable cover;

[0057] The movable component has at least one first through-hole on its side;

[0058] The moving part has a path passage on its side; wherein

[0059] The path section is connected to the first section and is arranged in a cross shape;

[0060] The cutting assembly further includes: at least two first rotating shafts installed within the path section; wherein

[0061] Each of the first cutting wheels is sleeved on the corresponding first rotating shaft and located inside the first through portion;

[0062] Both ends of each of the first rotating shafts are connected to the movable cover;

[0063] When the movable cover moves away from the movable component, it drives each of the first rotating shafts to move within the path passage.

[0064] Furthermore, the path portion includes: an arc portion and a straight portion communicating with both ends of the arc portion;

[0065] Both ends of the movable cover are provided with at least two elongated through holes; wherein

[0066] Both ends of the first rotating shaft are located within the elongated through holes at both ends of the movable cover; and

[0067] When the movable cover drives the first rotating shaft to move from the through section to the arc section, the first rotating shaft moves within the long through hole.

[0068] The beneficial effects of this utility model are:

[0069] (I) This utility model sets up at least one column of vertically equidistant first cutting wheels and at least one column of vertically equidistant second cutting wheels, and each first cutting wheel and each second cutting wheel reciprocates with the moving part, so that the first cutting wheel and the second cutting wheel simultaneously process the tooth groove of the insert rod, thereby achieving the effect of improving processing efficiency and reducing processing cycle.

[0070] (II) This utility model sets up at least one column of vertically equidistant first cutting wheels, with the diameter of each first cutting wheel increasing from bottom to top, thereby gradually deepening the tooth groove depth during the processing while maintaining a uniform distribution of cutting force, thus improving processing efficiency.

[0071] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description and the accompanying drawings.

[0072] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0073] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0074] Figure 1 This is a perspective view of a preferred embodiment of the present invention.

[0075] Figure 2 An explosion of a preferred embodiment of the clamping assembly of this utility model Figure 1 ;

[0076] Figure 3 An explosion of a preferred embodiment of the clamping assembly of this utility model Figure 2 ;

[0077] Figure 4 An explosion of a preferred embodiment of the cutting assembly of this utility model Figure 1 ;

[0078] Figure 5 An explosion of a preferred embodiment of the cutting assembly of this utility model Figure 2 ;

[0079] Figure 6 This is a perspective view of another preferred embodiment of the present invention.

[0080] Figure 7 An explosion of another preferred embodiment of the clamping component of this utility model Figure 1 ;

[0081] Figure 8 An explosion of another preferred embodiment of the clamping component of this utility model Figure 2 ;

[0082] Figure 9 This is an exploded view of another preferred embodiment of the cutting component of this utility model.

[0083] In the picture:

[0084] Clamping assembly 1, lower clamping block 101, first inclined surface 1011, first placement part 1012, first clearance part 1013, second clearance part 1014, upper clamping block 102, second inclined surface 1021, second placement part 1022, third clearance part 1023, fourth clearance part 1024;

[0085] Cutting assembly 2, moving part 201, irregular placement part 2011, moving part 2012, path passage part 2013, arc part 20131, straight part 20132, third passage part 2014, first cutting wheel 202, second cutting wheel 203, moving seat 204, third inclined part 2041, first passage part 2042, second passage part 2043, inclined through hole 2044, moving plate 205, fourth inclined part 2051, connecting block 206, first rotating shaft 207, inclined eccentric wheel 208, moving cover 209, long through hole 2091. Detailed Implementation

[0086] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Example 1

[0087] like Figures 1 to 5 As shown, this embodiment provides a toothed groove machining device for automotive headrest inserts, including:

[0088] Clamping assembly 1 includes: a lower clamping block 101 and an upper clamping block 102 adapted to the lower clamping block 101; wherein the upper clamping block 102 is adapted to fix the insert rod when it is in contact with the lower clamping block 101; cutting assembly 2 includes: a movable member 201 passing through the lower clamping block 101 and the upper clamping block 102, at least one row of a plurality of first cutting wheels 202 arranged vertically at equal intervals, and at least one row of a plurality of second cutting wheels 203 arranged vertically at equal intervals; wherein each of the first cutting wheels 202... 02 and each of the second cutting wheels 203 are rotatably connected to the moving part 201; the moving part 201 is slidably connected to the lower clamping block 101 and the upper clamping block 102; and the moving part 201 is adapted to drive each of the first cutting wheels 202 and each of the second cutting wheels 203 to reciprocate, so as to slot the insert rod on the lower clamping block 101 and the upper clamping block 102; wherein by setting the mutually adapted lower clamping block 101 and upper clamping block 102, the insert rod to be processed is firmly clamped to prevent insertion. The rod will not move or wobble during processing, thus ensuring processing accuracy. Ideally, two first cutting wheels 202 and one second cutting wheel 203 should be used. Each first cutting wheel 202 and each second cutting wheel 203 is rotatably connected to the moving member 201, causing them to rotate with the movement of the moving member 201, thereby cutting the required groove on the rod. By setting at least one row of vertically equidistant first cutting wheels 202 and at least one row of vertically equidistant second cutting wheels 203, the cutting force can be more evenly distributed on the rod. Simultaneously, the reciprocating motion of each first cutting wheel 202 and each second cutting wheel 203 driven by the moving member 201 effectively reduces burrs and flash generated during cutting, improving processing quality and reducing subsequent processing workload.

[0089] The lower clamping block 101 has a first inclined surface 1011 at its top; at least one first placement portion 1012 is provided on the first inclined surface 1011; the upper clamping block 102 has a second inclined surface 1021 at its bottom; at least one second placement portion 1022 is provided on the second inclined surface 1021; when the first inclined surface 1011 is adapted to fit with the second inclined surface 1021, the first placement portion 1012 and the second placement portion 1022 fix the insertion rod; it is most preferable to have two of each of the first placement portion 1012 and the second placement portion 1022; when the upper clamping block 102 moves downward and fits with the lower clamping block 101, the first inclined surface 1011 and the second inclined surface 1021 first come into contact, and the first placement portion 1012 and the second placement portion 1022 jointly clamp and limit the insertion rod, thereby improving the stability and reliability of clamping, and making the positioning of the insertion rod more accurate and convenient.

[0090] The top of the lower clamping block 101 is provided with at least one first clearance portion 1013 and at least one second clearance portion 1014; wherein any first clearance portion 1013 communicates with any second clearance portion 1014; the top of the upper clamping block 102 is provided with at least one third clearance portion 1023 and at least one fourth clearance portion 1024; wherein any third clearance portion 1023 communicates with any fourth clearance portion 1024; the first clearance portion 1013, the second clearance portion 1014, the third clearance portion 1023 and the fourth clearance portion 1024 are adapted to accommodate each first cutting wheel 202 and each second cutting wheel. 203 is designed to move and avoid obstacles; wherein each of the first avoidance parts 1013 and each of the second avoidance parts 1014 is connected to the first placement part 1012; wherein each of the third avoidance parts 1023 and each of the fourth avoidance parts 1024 is connected to the second placement part 1022; wherein each of the first avoidance parts 1013, each of the second avoidance parts 1014, each of the third avoidance parts 1023 and each of the fourth avoidance parts 1024 is adapted to avoid obstacles to each of the first cutting wheels 202 and each of the second cutting wheels 203; any of the first avoidance parts 1013 is connected to any of the second avoidance parts 1014, which is a necessary design due to the size requirements of the insert rod tooth groove, and has no other special function.

[0091] The moving part 201 has a shaped placement portion 2011 on its side; the moving part 201 has a moving portion 2012 communicating with the shaped placement portion 2011 on its top; the cutting assembly 2 further includes: a moving seat 204 slidably connected to the shaped placement portion 2011, a moving plate 205 located in the shaped placement portion 2011, and a connecting block 206 slidably connected to the moving portion 2012; wherein the moving seat 204 has a third inclined portion 2041 on its side; the moving plate 205 has a fourth inclined portion 2051 on its side; and the third inclined portion 2041 and the fourth inclined portion 2051... 051 are in contact and slidably connected; the connecting block 206 is connected to the moving plate 205; wherein the connecting block 206 and the moving plate 205 are adapted to push the moving seat 204 outward within the irregular placement portion 2011 when moving downward; wherein when the connecting block 206 moves downward within the moving portion 2012, the connecting block 206 drives the moving plate 205 to move downward, since the fourth inclined surface 2051 of the moving plate 205 is in contact and slidably connected to the third inclined surface 2041 of the moving seat 204, the downward movement of the moving plate 205 will push the moving seat 204 outward within the irregular placement portion 2011.

[0092] The movable seat 204 has at least one first through portion 2042 and at least one second through portion 2043 on its side; wherein any first through portion 2042 communicates with any second through portion 2043; and each first cutting wheel 202 is disposed in the first through portion 2042; each second cutting wheel 203 is disposed in the second through portion 2043; wherein by providing the first through portion 2042 and the second through portion 2043 in the movable seat 204 to accommodate each first cutting wheel 202 and each second cutting wheel 203, each first cutting wheel 202 and each second cutting wheel 203 moves along with the movable seat 204 when it moves in the irregular placement portion 2011, so as to adjust the tooth groove machining depth.

[0093] The movable base 204 has at least two oblique through holes 2044 on its side; each oblique through hole 2044 communicates with each first through portion 2042 and each second through portion 2043; and each oblique through hole 2044 is arranged in a cross shape with each first through portion 2042 and each second through portion 2043; the cutting assembly 2 further includes: a first rotating shaft 207 installed in each oblique through hole 2044, and at least two oblique eccentric wheels 208 sleeved on the first rotating shaft 207; wherein each first cutting wheel 202 and each second cutting wheel 2043 are provided with at least two oblique eccentric wheels 208. The cutting wheels 203 are respectively sleeved on the corresponding oblique eccentric wheels 208; by setting the oblique through holes 2044, the first rotating shaft 207 is tilted so that the lowermost first cutting wheel 202 and the lowermost second cutting wheel 203 can process the insert rod simultaneously; by setting the oblique eccentric wheels 208, the effect of providing a rotation axis point for each first cutting wheel 202 and each second cutting wheel 203 is achieved, preventing the first cutting wheel 202 and each second cutting wheel 203 from displacing on the first rotating shaft 207, which would result in poor machining accuracy.

[0094] In this embodiment, by setting at least one column of vertically equidistant first cutting wheels 202 and at least one column of vertically equidistant second cutting wheels 203, and by having each first cutting wheel 202 and each second cutting wheel 203 reciprocate following the moving member 201, the first cutting wheels 202 and the second cutting wheels 203 simultaneously process the slot of the insert rod, thereby improving processing efficiency and reducing processing cycle. Example 2

[0095] like Figures 6 to 9 As shown, this embodiment also provides a toothed groove machining device for automotive headrest inserts, including:

[0096] Clamping assembly 1 includes: a lower clamping block 101 and an upper clamping block 102 adapted to the lower clamping block 101; wherein the upper clamping block 102 is adapted to fix the insert rod when it is in contact with the lower clamping block 101; cutting assembly 2 includes: a movable cover 209 penetrating the lower clamping block 101 and the upper clamping block 102, and at least one row of a plurality of first cutting wheels 202 arranged vertically at equal intervals; wherein the diameter of each first cutting wheel 202 increases sequentially from bottom to top; each first cutting wheel 202 is rotatably connected to the movable cover 209; The movable cover 209 is slidably connected to the lower clamping block 101 and the upper clamping block 102; and the movable cover 209 is adapted to drive each first cutting wheel 202 to reciprocate to slot the insert rod on the lower clamping block 101 and the upper clamping block 102; wherein by setting at least one row of vertically equidistant first cutting wheels 202, the diameter of each first cutting wheel 202 increases from bottom to top, thereby gradually deepening the depth of the tooth groove during the processing, while maintaining a uniform distribution of cutting force, thus improving processing efficiency.

[0097] The lower clamping block 101 has a first inclined surface 1011 at its top; wherein at least one first placement portion 1012 is provided on the first inclined surface 1011; the upper clamping block 102 has a second inclined surface 1021 at its bottom; wherein at least one second placement portion 1022 is provided on the second inclined surface 1021; when the first inclined surface 1011 is adapted to fit against the second inclined surface 1021, the first placement portion 1012 and the second placement portion 1022 fix the insertion rod; the lower clamping block 101 has at least one first clearance portion 1013 at its top; the upper clamping block 102 has at least one first clearance portion 1013 at its top. At least one third clearance portion 1023 is provided; wherein the first clearance portion 1013 and the third clearance portion 1023 are adapted to move and clear each of the first cutting wheels 202; wherein it is most preferred that two of each of the first placement portion 1012 and the second placement portion 1022 are provided; wherein when the upper clamping block 102 moves downward and fits against the lower clamping block 101, the first inclined portion 1011 and the second inclined portion 1021 first come into contact, and the first placement portion 1012 and the second placement portion 1022 jointly clamp and limit the insertion rod, thereby improving the stability and reliability of clamping, and also making the positioning of the insertion rod more accurate and convenient.

[0098] The cutting assembly 2 further includes: a movable member 201 slidably connected to the inner wall of the movable cover 209; at least one third through portion 2014 is provided on the side of the movable member 201; a path through portion 2013 is provided on the side of the movable member 201; wherein the path through portion 2013 communicates with the third through portion 2014 and is arranged in a cross shape; the cutting assembly 2 further includes: at least two first rotating shafts 207 installed in the path through portion 2013; wherein each first cutting wheel 202 is sleeved on the corresponding first rotating shaft 207 and located in the third through portion 2014; each first rotating shaft 207 Both ends are connected to the movable cover 209 respectively; when the movable cover 209 moves away from the movable part 201, it drives each first rotating shaft 207 to move within the path passage 2013; wherein by sleeved the first cutting wheel 202 on the first rotating shaft 207 and located within the third passage 2014 of the movable part 201, the vibration and offset of the first cutting wheel 202 during the cutting process are reduced, thereby improving the machining accuracy of the tooth groove; wherein by setting the path passage 2013, the first rotating shaft 207 can move within the path passage 2013 to drive the first cutting wheel 202 to perform precise machining on the insert rod.

[0099] The path passage 2013 includes an arc portion 20131 and a straight portion 20132 communicating with both ends of the arc portion 20131; both ends of the movable cover 209 are provided with at least two elongated through holes 2091; both ends of the first rotating shaft 207 are located within the elongated through holes 2091 at both ends of the movable cover 209; and when the movable cover 209 drives the first rotating shaft 207 to move from the path passage 2013 to the arc portion 20131, the first rotating shaft 207 moves within the elongated through holes 2091; wherein the communication design between the straight portion 20132 and the arc portion 20131 ensures a smooth transition of the first cutting wheel 202 during movement, and when the first rotating shaft 207 enters the arc portion 20131 from the straight portion 20132, the first cutting wheel 202... 2. It can cut along a predetermined arc trajectory, reducing cutting errors caused by sudden changes in trajectory; by setting the arc portion 20131, the first rotating shaft 207 moves along the arc trajectory during the movement, thereby increasing the flexibility of the first cutting wheel 202 when cutting on the insert rod; by adjusting the curvature and length of the arc portion 20131, it is possible to accurately process tooth grooves of different shapes and depths to meet diverse production needs; by setting long through holes 2091 at both ends of the moving cover 209, sufficient moving space is provided for the first rotating shaft 207 to move to the arc portion 20131, so that the first cutting wheel 202 can maintain a stable rotation and cutting state throughout the processing.

[0100] In this embodiment, by setting at least one column of vertically equidistant first cutting wheels 202, the diameter of each first cutting wheel 202 increases sequentially from bottom to top, thereby gradually deepening the tooth groove depth during the processing while maintaining a uniform distribution of cutting force, thus improving processing efficiency.

[0101] All the devices selected in this application (parts whose specific structures are not specified) are general standard parts or parts known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0102] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0103] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0104] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A toothed groove machining device for automotive headrest inserts, characterized in that, include: The clamping assembly (1) includes: a lower clamping block (101) and an upper clamping block (102) adapted to the lower clamping block (101); wherein The upper clamping block (102) is adapted to fix the insert rod when it is in contact with the lower clamping block (101); The cutting assembly (2) includes: a movable member (201) penetrating the lower clamping block (101) and the upper clamping block (102), at least one row of vertically equidistant first cutting wheels (202), and at least one row of vertically equidistant second cutting wheels (203); wherein Each of the first cutting wheels (202) and each of the second cutting wheels (203) are rotatably connected to the moving part (201); The movable element (201) is slidably connected to the lower clamping block (101) and the upper clamping block (102); and The movable component (201) is adapted to drive each first cutting wheel (202) and each second cutting wheel (203) to reciprocate, so as to slot the insert rods on the lower clamping block (101) and the upper clamping block (102).

2. The toothed groove machining device for automotive headrest inserts as described in claim 1, characterized in that, The top of the lower clamping block (101) is provided with a first inclined surface (1011); wherein At least one first placement portion (1012) is provided on the first inclined surface (1011). The bottom of the upper clamping block (102) is provided with a second inclined surface (1021); wherein At least one second placement portion (1022) is provided on the second inclined portion (1021); When the first inclined surface (1011) is adapted to fit with the second inclined surface (1021), the first placement part (1012) and the second placement part (1022) fix the insertion rod.

3. The toothed groove machining device for automotive headrest inserts as described in claim 2, characterized in that, The top of the lower clamping block (101) is provided with at least one first clearance portion (1013) and at least one second clearance portion (1014); wherein Any of the first clearance parts (1013) is connected to any of the second clearance parts (1014); The top of the upper clamping block (102) is provided with at least one third clearance portion (1023) and at least one fourth clearance portion (1024); wherein Any of the third clearance parts (1023) is connected to any of the fourth clearance parts (1024); The first avoidance part (1013), the second avoidance part (1014), the third avoidance part (1023) and the fourth avoidance part (1024) are adapted to move and avoid each of the first cutting wheels (202) and each of the second cutting wheels (203).

4. The toothed groove machining device for automotive headrest inserts as described in claim 3, characterized in that, The movable part (201) has an irregularly shaped placement part (2011) on its side. The top of the movable part (201) is provided with a movable part (2012) that communicates with the irregular placement part (2011). The cutting assembly (2) further includes: a movable seat (204) slidably connected to the irregular placement part (2011), a movable plate (205) located within the irregular placement part (2011), and a connecting block (206) slidably connected to the movable part (2012); wherein The movable seat (204) has a third inclined surface (2041) on its side. The movable plate (205) has a fourth inclined surface (2051) on its side; and The third inclined surface (2041) and the fourth inclined surface (2051) are in contact and slidably connected; The connecting block (206) is connected to the movable plate (205); wherein The connecting block (206) and the movable plate (205) are adapted to push the movable seat (204) to slide outward within the irregular placement part (2011) when it moves downward.

5. The toothed groove machining device for automotive headrest inserts as described in claim 4, characterized in that, The movable seat (204) has at least one first through portion (2042) and at least one second through portion (2043) on its side; wherein Any of the first passages (2042) is connected to any of the second passages (2043); and Each of the first cutting wheels (202) is disposed within the first through portion (2042); Each of the second cutting wheels (203) is disposed within the second through section (2043).

6. The toothed groove machining device for automotive headrest inserts as described in claim 5, characterized in that, The movable base (204) has at least two oblique through holes (2044) on its side; wherein Each of the aforementioned oblique through holes (2044) is connected to each of the first through portions (2042) and each of the second through portions (2043); and Each of the oblique through holes (2044) is arranged in a cross shape with each of the first through portions (2042) and each of the second through portions (2043); The cutting assembly (2) further includes: a first rotating shaft (207) installed in each of the oblique through holes (2044), and at least two oblique eccentric wheels (208) sleeved on the first rotating shaft (207); wherein Each of the first cutting wheels (202) and each of the second cutting wheels (203) are respectively mounted on the corresponding oblique eccentric wheel (208).

7. A toothed groove machining device for automotive headrest inserts, characterized in that, include: The clamping assembly (1) includes: a lower clamping block (101) and an upper clamping block (102) adapted to the lower clamping block (101); wherein The upper clamping block (102) is adapted to fix the insert rod when it is in contact with the lower clamping block (101); The cutting assembly (2) includes: a movable cover (209) penetrating the lower clamping block (101) and the upper clamping block (102), and at least one row of vertically equidistant first cutting wheels (202); wherein The diameter of each of the first cutting wheels (202) increases sequentially from bottom to top; Each of the first cutting wheels (202) is rotatably connected to the movable cover (209); The movable cover (209) is slidably connected to the lower clamping block (101) and the upper clamping block (102); and The movable cover (209) is adapted to drive each of the first cutting wheels (202) to reciprocate, so as to slot the insert rods on the lower clamping block (101) and the upper clamping block (102).

8. The toothed groove machining device for automotive headrest inserts as described in claim 7, characterized in that, The top of the lower clamping block (101) is provided with a first inclined surface (1011); wherein At least one first placement portion (1012) is provided on the first inclined surface (1011). The bottom of the upper clamping block (102) is provided with a second inclined surface (1021); wherein At least one second placement portion (1022) is provided on the second inclined portion (1021); When the first inclined portion (1011) is adapted to fit with the second inclined portion (1021), the first placement portion (1012) and the second placement portion (1022) fix the insertion rod; The top of the lower clamping block (101) is provided with at least one first clearance portion (1013). The top of the upper clamping block (102) is provided with at least one third clearance portion (1023); wherein The first avoidance part (1013) and the third avoidance part (1023) are adapted to move and avoid each of the first cutting wheels (202).

9. The toothed groove machining device for automotive headrest inserts as described in claim 8, characterized in that, The cutting assembly (2) further includes: a movable component (201) that is slidably connected to the inner wall of the movable cover (209); The moving part (201) has at least one third passage (2014) on its side. The moving part (201) has a path passage (2013) on its side; wherein The path section (2013) is connected to the third section (2014) and is arranged in a cross shape; The cutting assembly (2) further includes: at least two first rotating shafts (207) installed within the path passage (2013); wherein Each of the first cutting wheels (202) is sleeved on the corresponding first rotating shaft (207) and located inside the third through part (2014); Both ends of each of the first rotating shafts (207) are connected to the movable cover (209); When the movable cover (209) moves away from the movable part (201), it drives each of the first rotating shafts (207) to move within the path passage (2013).

10. The toothed groove machining device for automotive headrest inserts as described in claim 9, characterized in that, The path section (2013) includes: an arc section (20131) and a straight section (20132) connected to both ends of the arc section (20131). The movable cover (209) has at least two elongated through holes (2091) at both ends; wherein Both ends of the first rotating shaft (207) are located within the elongated through holes (2091) at both ends of the movable cover (209); and When the movable cover (209) drives the first rotating shaft (207) to move from the path through part (2013) to the arc part (20131), the first rotating shaft (207) moves within the long through hole (2091).

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