Arc-shaped groove rolling deburring device for automobile headrest rod

Abstract

The utility model discloses an arc-shaped groove rolling deburring device for an automobile headrest rod. The arc-shaped groove rolling deburring device comprises a supporting frame, a double-linkage assembly arranged in the supporting frame and a rolling assembly arranged at the output end of the double-linkage assembly. The double-linkage assembly reciprocates in the Z-axis direction and the X-axis direction through the Z-axis electric cylinder and the X-axis electric cylinder, and then the rolling assembly conducts grooving on the automobile headrest rod under the reciprocating motion. The rolling assembly can be made into two rolling wheels to conduct rolling operation on one arc-shaped groove or multiple arc-shaped grooves on the two automobile headrest rods in the product pressing assembly, a two-section type rolling mode is adopted in the rolling operation, the arc-shaped groove opening operation can be achieved, meanwhile, burrs formed in the rolling operation can be removed, two purposes are achieved at a time, and the production efficiency is improved. The rolling function module and the deburring function module are integrated together, the overall integration degree is high, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts preparation, in particular to an arc groove rolling deburring device for an automobile headrest rod. Background Art

[0002] The car headrest rod is an essential component of the car as a headrest. It can be adjusted in multiple gears. Users can adjust it according to their actual needs. The above adjustment is achieved through the coordination of the arc groove of the car headrest rod and the gear position. Generally speaking, the car headrest rod is equipped with multiple arc grooves for users to adjust.

[0003] In the preparation of the automobile headrest rod, multiple arc grooves that need to be adjusted are not opened at the same time, so arc groove grooving equipment is needed to groove the automobile headrest rod; usually the grooving equipment only has the function of opening an arc groove and cannot remove the burrs generated during the grooving operation. In this way, after the automobile headrest rod is processed, a deburring equipment is needed to remove the burrs, resulting in low production efficiency and poor automation. It is necessary to develop an arc groove grooving automation equipment with the combined functions of grooving and deburring. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] The technical problem to be solved by the utility model is to address the current status of the existing technology and provide an arc groove rolling deburring device for automobile headrest rods, which adopts a double linkage component and a rolling component to perform product rolling operations in the axial direction and the X-axis direction, and can also remove burrs during the rolling operation, thereby greatly improving the processing efficiency.

[0006] (2) Technical solution

[0007] The utility model is achieved through the following technical solution: the utility model proposes an arc groove rolling and deburring device for a car headrest rod: the device comprises a support frame, a double linkage component arranged in the support frame, and a rolling component arranged at the output end of the double linkage component; the double linkage component reciprocates in the Z-axis direction and the X-axis direction through the Z-axis electric cylinder and the X-axis electric cylinder, so that the rolling component grooves the car headrest rod under the above reciprocating motion.

[0008] Preferably, the rolling assembly includes a connecting and fixing block that cooperates with the double-linkage assembly, and a roller that is arranged on the connecting and fixing block and close to the direction of the product pressing assembly, and the roller is arranged in the connecting and fixing block in a follow-up manner.

[0009] Preferably, the connecting and fixing block is provided with an anti-interference channel for placing the automobile headrest rod processing.

[0010] Preferably, the double linkage assembly includes a transfer mechanism, an outer frame arranged outside the transfer mechanism, and arc-shaped tooth track plates embedded in both sides of the outer frame; the upper and lower ends of the outer frame are fixed in the support frame, and the transfer mechanism is arranged through the two arc-shaped tooth track plates in the outer frame through the movement of the feed rod designed along the Y-axis direction, and then is slidably connected to the outer frame through two sets of slide rail sliders and performs reciprocating motion in the Z-axis direction under the control of the Z-axis electric cylinder.

[0011] Preferably, the transfer mechanism also includes a gear hobbing feed mechanism connected to the rolling assembly; one end of the gear hobbing feed mechanism is connected to the output end of the X-axis electric cylinder, and the X-axis electric cylinder provides a feed stroke in the X-axis direction, and the other end is fixed to the fixed end of the rolling assembly; the upper and lower ends of the gear hobbing feed mechanism are respectively connected in a sliding manner in the transfer mechanism through one or more slide rail slider combinations and perform reciprocating motion in the X-axis direction under the control of the X-axis electric cylinder.

[0012] Preferably, the gear hobbing feed mechanism includes a middle frame slidably connected to one or more slide rail slider combinations, an inner sleeve slidably connected to one or more slide rail slider combinations, a feed block and a feed rod embedded in the inner sleeve; the feed rod passes through the feed block horizontally and a feed rod positioning block is arranged on the outside of the inner sleeve.

[0013] Preferably, it further includes a Z-axis auxiliary electric cylinder; the output end of the Z-axis auxiliary electric cylinder passes through the table and cooperates with the transfer mechanism and can control the transfer mechanism to reciprocate in the Z-axis direction.

[0014] Preferably, the transfer mechanism performs reciprocating motion on the arc-shaped tooth track plate through the feed rods on both sides, thereby causing the rolling assembly that reciprocates synchronously with the transfer mechanism to roll out an arc-shaped groove consistent with the arc-shaped tooth track plate.

[0015] Preferably, the support frame includes a table top, columns vertically arranged at the four corners of the table top, and a support plate fixed at the upper ends of the four columns; the Z-axis electric cylinder passes through the support plate and is connected to the transfer mechanism 0 to control the transfer mechanism to perform reciprocating motion in the Z-axis direction.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The rolling component can be made into two rollers according to actual needs, and an arc groove or multiple arc grooves can be rolled on the two car headrest rods in the product clamping component, which can greatly improve the efficiency. In the rolling operation, a two-stage rolling method is adopted, which can not only open the arc groove operation, but also remove the burrs formed by the rolling operation. It kills two birds with one stone and integrates the two functional modules of rolling and deburring together. The overall integration is high, and at the same time, it can greatly improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a rolling assembly and a double linkage assembly of an arc groove rolling deburring device for an automobile headrest rod according to the present invention;

[0020] Figure 2 This is a side structural diagram of a rolling assembly and a double linkage assembly of an arc groove rolling deburring device for a headrest rod of an automobile described in the utility model;

[0021] Figure 3 This is a schematic diagram of the main structure of a rolling assembly of an arc groove rolling deburring device for a headrest rod of an automobile according to the present invention;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the rolling assembly of the arc groove rolling deburring device for the automobile headrest rod described in the utility model;

[0023] Figure 5 This is a schematic diagram of the overall structure of an arc groove rolling deburring device for a car headrest rod according to the present invention applied to an arc groove forming device;

[0024] Figure 6 The present invention is a schematic diagram of the three-dimensional structure of the feed block and rolling assembly of the arc groove rolling deburring device for the automobile headrest rod. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] Combine Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 In conjunction with the present invention, wherein, Figure 1 This is a schematic diagram of the overall structure of an arc-shaped slot-type forming device according to the present invention; Figure 2It is a schematic diagram of the three-dimensional structure of the rolling assembly and the double linkage assembly of the arc-shaped slot forming equipment described in the present invention; Figure 3 It is a side structural diagram of a rolling assembly and a double linkage assembly of an arc-shaped slot forming device according to the present invention; Figure 4 This is a schematic diagram of the main structure of a rolling assembly of an arc-shaped slot forming device according to the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the rolling assembly of the arc-shaped slot forming equipment described in the present invention; Figure 6 It is a three-dimensional structural schematic diagram of the cooperation between the feed block and the rolling assembly of the arc-shaped slot forming equipment described in the present invention.

[0027] Reference Figures 1 to 5 The utility model discloses a process for processing an automobile headrest rod used in an arc groove rolling deburring device for automobile headrest rods, which comprises:

[0028] Step 1: one or more car headrest rods are placed into the lower mold 41;

[0029] Step 2: The push cylinder pushes the car headrest rod in the lower mold 41 to the rear position;

[0030] Step 3: The pressing electric cylinder 9 descends, driving the upper die 42 downward to the lower die 41 and pressing the car headrest rod;

[0031] Step 4: The rolling assembly 5 is connected to the transfer mechanism 30 and reciprocates vertically and horizontally via the X-axis electric cylinder 7 and the Z-axis electric cylinder 6. Specifically, the rolling assembly 5 slots the automobile headrest rod during the reciprocating motion.

[0032] Step 5: After the rolling in step 4 is completed, the pressing electric cylinder 9 is lifted and the upper die 42 is separated from the lower die 41, and the automobile headrest rod is taken out manually or by a robot; the rolling assembly 5, under the control of the electronic control assembly, first starts the rolling operation on the first end of the automobile headrest rod, rolling to more than 3 / 4 of the arc groove to be opened, and then the X-axis electric cylinder 7 and the Z-axis electric cylinder 6 retreat and cooperate to control the rolling assembly 5 to the second end of the automobile headrest rod, and then the automobile headrest rod is rolled from the second end to the starting first end through the rolling assembly 5; The above rolling logic is that after rolling 3 / 4 from one end, the subsequent 1 / 4 is not rolled. This is to prevent the car headrest rod from being directly crushed and scrapped. Therefore, the 1 / 4 section is not rolled, and after the second section, the reverse rolling cycle is performed. The last rolling can first roll the entire arc groove into shape, and at the same time, it can also remove the burrs during rolling. Combining the two major functions of rolling and deburring, the integration is high, making the production of the car headrest rod product more efficient;

[0033] Since two car headrest rods need to be rolled into arc grooves, the pressure of one Z-axis electric cylinder 6 is not enough for the rolling operation, so a Z-axis auxiliary electric cylinder 8 is configured; the above-mentioned rolling component 5 is connected to the transfer mechanism 30 and can provide a greater rolling force through the cooperation of the Z-axis electric cylinder 6 and the Z-axis auxiliary electric cylinder 8, so that multiple arc grooves of multiple car headrest rods can be rolled; specifically, the output end of the above-mentioned Z-axis auxiliary electric cylinder 8 passes through the table and cooperates with the transfer mechanism 30 and can control the transfer mechanism 30 to reciprocate in the Z-axis direction.

[0034] The above-mentioned transfer mechanism 30 reciprocates on the arc-shaped tooth track plates 33 on both sides through the feed rod 34, thereby causing the rolling assembly 5 that reciprocates synchronously with the transfer mechanism 30 to roll out an arc-shaped groove consistent with the arc-shaped tooth track plate 33. The shape of the above-mentioned arc-shaped tooth track plate 33 is also consistent with the arc-shaped groove rolled by the car headrest rod.

[0035] In this embodiment, the above-mentioned product pressing component 4 can contain up to two automobile headrest rods, and can simultaneously perform arc groove opening operations on the two automobile headrest rods. Furthermore, the above-mentioned rolling component 5 can also use one roller 52 or multiple rollers 52 to simultaneously open multiple arc grooves on the automobile headrest rods. Therefore, this equipment can customize the product pressing component 4 and the rolling component 5 according to needs to open two automobile headrest rods and multiple arc grooves. The principle is the same as opening an arc groove on an automobile headrest rod. In order to improve work efficiency, up to two automobile headrest rods and multiple arc grooves can be opened. Moreover, the above-mentioned arc tooth track plate 33 can be replaced at any time, which is convenient for processing automobile headrest rods with different arc grooves for grooving operations, has better flexibility, and improves work efficiency.

[0036] Reference Figures 1 to 5 The present invention relates to an arc groove rolling deburring device for automobile headrest rods, which comprises a ground movable frame 1, a support frame 2 disposed in the frame 1, a double linkage assembly 3 disposed in the support frame 2, and a product pressing assembly 4; the support frame 2 comprises a table 20, four columns disposed on the table 20 for support, and a support plate fixedly mounted on the four columns, the support plate being equipped with a Z-axis electric cylinder 6 and a pressing electric cylinder 9;

[0037] The double linkage assembly 3 is connected to a rolling assembly 5 for grooving operations. The rolling assembly 5 is fixedly connected to one end of the double linkage assembly 3 in a snap-fit ​​manner. Specifically, the snap-fit ​​manner of the trapezoidal protrusion and the trapezoidal groove 54 is adopted to improve the efficiency of installation and maintenance and facilitate daily maintenance.

[0038] The above-mentioned double-linkage component 3 reciprocates in the Z-axis direction under the control of the Z-axis electric cylinder 6, and reciprocates in the X-axis direction under the control of the X-axis electric cylinder 7. Specifically, the above-mentioned double-linkage component 3 can reciprocate in the Z-axis direction and the X-axis direction at the same time. When it needs to be explained, the above-mentioned X-axis electric cylinder 7 controls the rolling component 5 cooperating with the double-linkage component 3 to provide feeding operation in the X-axis direction, which can perform deep rolling on the arc groove of the automobile headrest rod. However, the above-mentioned Z-axis electric cylinder 6 controls the rolling component 5 cooperating with the double-linkage component 3 to provide the arc groove in the Z-axis direction from the first end to the second end / the second end to the first end operation. Under the control of the above-mentioned Z-axis electric cylinder 6 and the X-axis electric cylinder 7, the above-mentioned double-linkage component 3 controls the above-mentioned rolling component 5 to perform grooving operation on the automobile headrest rod.

[0039] Reference Figure 4 and Figure 5 The above-mentioned rolling assembly 5 includes a connecting and fixing block 51 that cooperates with the double linkage assembly 3, and a roller 52 is configured on the connecting and fixing block 51 and close to the product pressing assembly 4. The above-mentioned roller 52 is configured in a follow-up manner in the connecting and fixing block 51. According to actual needs, if two car headrest rods are to be processed, two rolling seats for installing the rollers 52 will be designed at the above-mentioned connecting and fixing block 51. Each of the above-mentioned rolling seats is equipped with a roller 52, and the two rollers 52 are installed in a follow-up manner. Such a follow-up method can allow the roller 52 to generate friction with the arc groove of the car headrest rod, which can improve the processing accuracy and the gloss of the product. In this embodiment, a channel 53 is opened in the above-mentioned connecting and fixing block 51. The design of the above-mentioned channel 53 can allow the product pressing assembly 4 to easily come in with the car headrest rod, thereby preventing interference between the product pressing assembly 4 and the rolling assembly 5. Specifically, the above-mentioned channel can allow part of the first car headrest rod to be inside it, which is convenient for the arc groove of the first car headrest rod to be opened.

[0040] Reference Figure 2 and Figure 3 The double linkage assembly 3 includes a transfer mechanism 30; the transfer mechanism 30 includes a middle frame 35, and the two sides of the middle frame 35 are respectively slidably connected to the inner side of the outer frame 31 through two slide rail slider assemblies. The upper end of the middle frame 35 is connected to the output end of the Z-axis electric cylinder, which reciprocates in the Z-axis direction at the outer frame 31 through the Z-axis electric cylinder; two arc-shaped tooth track plates 33 are embedded on both sides of the outer frame 31, and the arc-shaped tooth track plates 33 are provided with arc grooves that need to be opened;

[0041] The upper and lower ends of the outer frame 31 are fixed in the support frame 2. The outer frame 31 is composed of plates on both sides, a table 20 and a support plate, and the whole is a rectangular frame. The outer frame 31 has the function of supporting the Z-axis electric cylinder 6 and the pressing electric cylinder 9, and the table 20 is used to place and support the double linkage assembly 3 and the product pressing assembly 4.

[0042] The transfer mechanism 30 is provided with two arc-shaped tooth track plates 33 in the outer frame 31 through the movement of the feed rod 34 designed along the Y-axis direction. The transfer mechanism 30 is slidably connected to the outer frame 31 through two sets of slide rails and sliders and reciprocates in the Z-axis direction under the control of the Z-axis electric cylinder 6.

[0043] Reference Figure 2 and Figure 6 The above-mentioned transfer mechanism 30 also includes a gear hobbing feed mechanism 32 connected to the rolling assembly 5; one end of the above-mentioned gear hobbing feed mechanism 32 is connected to the output end of the X-axis electric cylinder 7, and the X-axis electric cylinder 7 provides the feed stroke in the X-axis direction, and the other end is fixed in the trapezoidal groove 54 of the above-mentioned rolling assembly 5; the upper end of the above-mentioned gear hobbing feed mechanism 32 is slidably connected to the upper part of the middle frame 35 through a group of slide rail slider combinations, and its lower end is slidably connected to the lower part of the middle frame 35 through two groups of slide rail slider combinations. In this way, the feeding can be realized by reciprocating motion in the X-axis direction under the control of the X-axis electric cylinder 7; the above-mentioned gear hobbing feed mechanism 32 includes an inner sleeve 321, and the upper end of the above-mentioned inner sleeve 321 is connected to the upper part of the middle frame 35 through a group of slide rail slider combinations. Sliding connection, the lower end of which is slidably connected to the lower part of the middle frame 35 through two sets of sliding rail sliders; the above-mentioned inner sleeve 321 is provided with a feed block 322, and the above-mentioned feed block 322 is provided with a feed stroke channel 3221, and the above-mentioned feed stroke channel 3221 is provided with a feed rod 34 designed along the Y-axis, and the two sides of the above-mentioned feed rod 34 extend outward to the two arc-shaped tooth track plates 33 respectively, wherein the above-mentioned feed rod 34 is fixed by two feed rod positioning blocks 341 after extending outward, and the above-mentioned feed rod positioning blocks 341 are located in the space outside the middle frame 35 and inside the outer frame 31, and the above-mentioned feed rod positioning blocks 341 maintain a gap with the middle frame 35 and the outer frame 31 and do not directly contact the two.

[0044] Reference Figure 2 The above-mentioned support frame 2 includes a table 20; the above-mentioned table 20 includes a working position 1 21 configured with a product pressing component 4 and a working position 2 22 configured with a double linkage component 3; the working position 1 21 is provided with a group of conveying grooves 211; the above-mentioned group of conveying grooves 211 can be used to place a group of pulleys to facilitate the smooth entry of the product pressing component 4, and the product pressing component 4 is fixed by the positioning component.

[0045] Reference Figure 1 The above-mentioned product pressing assembly 4 includes a lower mold 41 for placing the automobile headrest rod and an upper mold 42 connected to the output end of the pressing electric cylinder 9. When the automobile headrest rod is placed in the upper mold 41 and reaches the specified position, the upper mold 42 is controlled by the pressing electric cylinder 9 to press the automobile headrest rod tightly into the lower mold 41, and then the rolling operation can be carried out; specifically, the upper mold 42 is controlled by the pressing electric cylinder 9 to fit / separate with the lower mold 41.

[0046] Working principle:

[0047] The utility model discloses a process for processing an automobile headrest rod used in an arc groove rolling deburring device for an automobile headrest rod, which comprises:

[0048] Step 1: one or more car headrest rods are placed into the lower mold 41;

[0049] Step 2: The push cylinder pushes the car headrest rod in the lower mold 41 to the rear position;

[0050] Step 3: The pressing electric cylinder 9 descends, driving the upper die 42 downward to the lower die 41 and pressing the car headrest rod;

[0051] Step 4: The rolling assembly 5 is connected to the transfer mechanism 30 and reciprocates vertically and horizontally via the X-axis electric cylinder 7 and the Z-axis electric cylinder 6. Specifically, the rolling assembly 5 slots the automobile headrest rod during the reciprocating motion.

[0052] Step 5: After the rolling in step 4 is completed, the pressing electric cylinder 9 is lifted and the upper die 42 is separated from the lower die 41, and the automobile headrest rod is taken out manually or by a robot; the rolling assembly 5, under the control of the electronic control assembly, first starts the rolling operation on the first end of the automobile headrest rod, rolling to more than 3 / 4 of the arc groove to be opened, and then the X-axis electric cylinder 7 and the Z-axis electric cylinder 6 retreat and cooperate to control the rolling assembly 5 to the second end of the automobile headrest rod, and then the automobile headrest rod is rolled from the second end to the starting first end through the rolling assembly 5; The logic of the above rolling is that after rolling 3 / 4 from one end, the subsequent 1 / 4 is not rolled. This is to prevent the car headrest rod from being directly crushed and scrapped. Therefore, the 1 / 4 section is not rolled, and after the second section, the reverse rolling cycle is performed. The last rolling can first roll the entire arc groove into shape, and at the same time, it can also remove the burrs in the rolling. Combining the two major functions of rolling and deburring, the integration is high, making the operation of the finished car headrest rod more efficient.

[0053] Compared with the prior art, the present invention has the following beneficial effects:

[0054] First, the product compression assembly is used to compress and fix the car headrest rods. It can compress up to two car headrest rods, so the arc groove rolling operation can be performed on the two car headrest rods, which is more efficient.

[0055] Secondly, the above-mentioned product pressing assembly can be automatically moved into the processing workstation 1 by placing a set of pulleys in a set of conveying troughs, thereby improving the degree of automation and having a high degree of integration;

[0056] Third, the rolling assembly can be made into two rollers according to actual needs, and one or more arc grooves can be rolled on the two car headrest rods in the product pressing assembly, which can greatly improve efficiency. In the rolling operation, a two-stage rolling method is adopted, which can not only open the arc groove operation but also remove the burrs formed by the rolling operation. It kills two birds with one stone and integrates the two functional modules of rolling and deburring together. The overall integration is high and the work efficiency can be greatly improved.

[0057] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An arc groove rolling deburring device for a car headrest rod, comprising a support frame (2), a double linkage assembly (3) disposed in the support frame (2), and a rolling assembly (5) disposed at an output end of the double linkage assembly (3); characterized in that: The double linkage assembly (3) performs reciprocating motion in the Z-axis direction and the X-axis direction via the Z-axis electric cylinder (6) and the X-axis electric cylinder (7), thereby enabling the rolling assembly (5) to slot the automobile headrest rod under the above-mentioned reciprocating motion.

2. The arc groove rolling deburring device for automobile headrest rods according to claim 1, characterized in that: The rolling assembly (5) comprises a connecting and fixing block (51) matched with the double linkage assembly (3), a roller (52) arranged on the connecting and fixing block (51) and close to the direction of the product pressing assembly (4), and the roller (52) is arranged in the connecting and fixing block (51) in a follow-up manner.

3. The arc groove rolling deburring device for automobile headrest rods according to claim 2, characterized in that: The connecting and fixing block (51) is provided with an anti-interference channel (53) for placing the automobile headrest rod for processing.

4. The arc groove rolling deburring device for automobile headrest rods according to claim 3, characterized in that: The double linkage assembly (3) includes a transfer mechanism (30), an outer frame (31) arranged outside the transfer mechanism (30), and arc-shaped tooth track plates (33) embedded on both sides of the outer frame (31); the upper and lower ends of the outer frame (31) are fixed in the support frame (2); the transfer mechanism (30) is arranged in the outer frame (31) through the movement of the feed rod (34) designed along the Y-axis direction, and is then slidably connected to the outer frame (31) through two sets of slide rail sliders and performs reciprocating motion in the Z-axis direction under the control of the Z-axis electric cylinder (6).

5. The arc groove rolling deburring device for automobile headrest rods according to claim 4, characterized in that: The transfer mechanism (30) further comprises a gear hobbing feed mechanism (32) connected to the rolling assembly (5); one end of the gear hobbing feed mechanism (32) is connected to the output end of the X-axis electric cylinder (7) and is provided with a feed stroke in the X-axis direction by the X-axis electric cylinder (7), and the other end is fixed to the fixed end of the rolling assembly (5); the upper and lower ends of the gear hobbing feed mechanism (32) are respectively connected in a sliding manner in the transfer mechanism (30) through a combination of one or more slide rails and sliders, and perform reciprocating motion in the X-axis direction under the control of the X-axis electric cylinder (7).

6. The arc groove rolling deburring device for automobile headrest rods according to claim 5, characterized in that: The gear hobbing feed mechanism (32) comprises a middle frame (35) slidably connected to a group of at least one slide rail slider assembly, an inner sleeve (321) slidably connected to a group of at least one slide rail slider assembly, a feed block (322) and a feed rod (34) embedded in the inner sleeve (321); the feed rod (34) passes through the feed block (322) transversely and is provided with a feed rod positioning block (341) on the outside of the inner sleeve (321).

7. The arc groove rolling deburring device for automobile headrest rods according to claim 4, characterized in that: It also includes a Z-axis auxiliary electric cylinder (8); the output end of the Z-axis auxiliary electric cylinder (8) passes through the table surface and cooperates with the transfer mechanism (30) and can control the transfer mechanism (30) to reciprocate in the Z-axis direction.

8. The arc groove rolling deburring device for automobile headrest rods according to claim 7, characterized in that: The transfer mechanism (30) reciprocates on the arc-shaped tooth track plate (33) through the feed rods (34) on both sides, thereby causing the rolling assembly (5) that reciprocates synchronously with the transfer mechanism (30) to roll out an arc-shaped groove consistent with the arc-shaped tooth track plate (33).

9. The arc groove rolling deburring device for automobile headrest rods according to claim 1, characterized in that: The support frame (2) comprises a table (20), columns vertically arranged at the four corners of the table (20), and a support plate fixed to the upper ends of the four columns; the Z-axis electric cylinder (6) passes through the support plate and is connected to the transfer mechanism (30) to control the transfer mechanism (30) to perform reciprocating motion in the Z-axis direction.

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