Semi-automatic straight ejector rod polishing machine

Through the coordinated design of the main polishing component and the auxiliary polishing component of the semi-automatic straight ejector polishing machine, simultaneous polishing of multiple surfaces of the straight ejector is achieved, solving the processing complexity and time extension problems caused by traditional single-sided polishing, and improving processing efficiency and stability.

CN223353925UActive Publication Date: 2025-09-19JIAN JINHONG PRECISION MOULD PARTS CO LTD
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Patent Information

Application Number
CN202422553118.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-09-19
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The traditional straight ejector polishing process uses a single-sided polishing method, which increases the complexity of the processing process and prolongs the processing time, and cannot achieve simultaneous polishing of multiple surfaces.

Method used

A semi-automatic straight-rod polishing machine is designed. It adopts the synergistic effect of the main polishing component and the auxiliary polishing component. Through the cooperation of the main polishing wheel and the auxiliary polishing wheel, it can achieve simultaneous polishing of multiple surfaces. It is also equipped with an adjustment device and a support device to improve the polishing accuracy and stability.

Benefits of technology

The frequency of surface replacement during the polishing process of the straight ejector pin is reduced, the number of working steps is reduced, and the overall processing time is shortened. At the same time, the polishing accuracy and stability are improved, and the polishing requirements of straight ejector pins of different diameters are adapted.

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Abstract

The utility model discloses a semi-automatic straight ejector rod polishing machine, which relates to the field of polishing machine structures and comprises a polishing machine body. The main polishing assembly is arranged on the fixed seat, the main polishing assembly comprises a main polishing wheel, and a polishing ring groove is formed in the main polishing wheel; the auxiliary polishing assembly is arranged on the fixed seat, the auxiliary polishing assembly comprises an auxiliary polishing wheel, and a straight ejector rod is arranged between the auxiliary polishing wheel and the main polishing wheel; the straight ejector rod comprises an ejector cap and a rod body which are coaxially arranged; the main polishing wheel and the auxiliary polishing wheel are tangent to the rod body, a top cap is arranged in the polishing ring groove, and the side face, close to the rod body, of the top cap is attached to one side face of the auxiliary polishing wheel. According to the semi-automatic straight ejector rod polishing machine, through the synergistic effect of the main polishing assembly and the auxiliary polishing assembly, simultaneous polishing of multiple faces of a straight ejector rod is achieved, the face changing frequency in the polishing treatment process of the straight ejector rod is reduced, the working procedures are reduced, and the overall machining duration is shortened.
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Description

Technical Field

[0001] The utility model relates to the field of polishing machine structures, in particular to a semi-automatic straight-rod polishing machine. Background Art

[0002] A straight ejector is a common cylindrical workpiece that requires polishing before leaving the factory to improve surface accuracy. A straight ejector typically consists of a coaxial cap and a rod body. To achieve this, traditional straight ejector polishing processes often employ single-sided polishing, where only one surface of the ejector is polished at a time.

[0003] However, since the straight ejector has multiple surfaces that need to be polished (including the top surface and side surfaces of the top cap and the outer surface of the rod body, etc.), single-sided polishing means that the polishing surface needs to be replaced multiple times, which not only increases the complexity of the processing process, but also prolongs the overall processing time. Utility Model Content

[0004] The purpose of the utility model is to provide a semi-automatic straight push rod polishing machine, which realizes simultaneous polishing of multiple surfaces of the straight push rod through the coordinated action of the main polishing component and the auxiliary polishing component, reduces the frequency of surface changing during the polishing process of the straight push rod, reduces the number of working steps, and shortens the overall processing time; at the same time, an adjustment device and a support device are provided to improve the polishing accuracy and polishing stability.

[0005] The above-mentioned optimized structure of the present utility model is achieved by the following technical solutions: a semi-automatic straight ejector polishing machine comprises a polishing machine body, wherein the polishing machine body comprises a fixing seat;

[0006] A main polishing assembly, the main polishing assembly is arranged on the fixed seat, the main polishing assembly includes a main polishing wheel, and the main polishing wheel is provided with a polishing ring groove;

[0007] An auxiliary polishing assembly, the auxiliary polishing assembly being arranged on the fixing seat, the auxiliary polishing assembly comprising an auxiliary polishing wheel, and a straight push rod being arranged between the auxiliary polishing wheel and the main polishing wheel;

[0008] The straight push rod comprises a top cap and a rod body arranged coaxially;

[0009] The main polishing wheel and the auxiliary polishing wheel are both tangent to the rod body. The top cap is provided in the polishing ring groove. The top cap is close to a side surface of the rod body and is attached to a side surface of the auxiliary polishing wheel.

[0010] In some embodiments, the main polishing assembly includes a main motor, and the main motor is disposed on the fixed seat;

[0011] An active rod, the active rod being coaxially fixed to the output shaft of the main motor, and the main polishing wheel being coaxially provided on the active rod;

[0012] At least two main support brackets are mounted on the fixing seat and penetrated by the active rod.

[0013] In some embodiments, the main polishing assembly further includes a main bearing, which is sleeved on the active rod and disposed in the main support bracket.

[0014] In some embodiments, the auxiliary polishing assembly includes an auxiliary motor, and the auxiliary motor is disposed on the fixing seat;

[0015] An auxiliary rotating rod, the auxiliary rotating rod is coaxially fixed to the output shaft of the auxiliary motor, and the auxiliary polishing wheel is coaxially provided on the auxiliary rotating rod;

[0016] At least two auxiliary support brackets are arranged on the fixing seat and penetrated by the auxiliary rotating rod.

[0017] In some embodiments, the auxiliary polishing assembly further includes an auxiliary bearing, which is sleeved on the auxiliary rotating rod and disposed in the auxiliary support bracket.

[0018] In some embodiments, the polishing machine body further includes an adjusting device, which is disposed between the auxiliary polishing assembly and the fixing seat.

[0019] In some embodiments, the adjustment device includes at least two slide rails, and the two slide rails are provided on the fixing seat;

[0020] A sliding plate, wherein a sliding groove is provided at the bottom of the sliding plate, the sliding groove is slidably engaged with the slide rail, and the auxiliary polishing assembly is provided on the sliding plate;

[0021] Waist-shaped holes, the waist-shaped holes are provided at the four corners of the sliding plate;

[0022] An adjusting bolt passes through the waist-shaped hole and is threadedly engaged with the fixing seat.

[0023] In some embodiments, the polishing machine body further comprises a supporting device, the supporting device comprising a supporting block, and the supporting block is disposed on the fixing seat;

[0024] A rotation groove, the rotation groove is provided on the top of the support block;

[0025] Two supporting wheels are symmetrically arranged in the rotating groove, and the two supporting wheels are rollingly connected to the top cap.

[0026] In summary, the present invention has the following beneficial effects:

[0027] This semi-automatic straight mandrel polishing machine features a main polishing wheel and an auxiliary polishing wheel, with polishing ring grooves provided on the main polishing wheel. This allows multiple surfaces of the mandrel to contact the main and auxiliary polishing wheels, respectively. Through the synergistic action of the main and auxiliary polishing assemblies, multiple surfaces of the mandrel can be polished simultaneously, reducing the frequency of face changes during the polishing process, simplifying the number of steps, and shortening the overall processing time. An adjustment device is also provided to adjust the distance between the main and auxiliary polishing wheels to ensure the polishing effect of the mandrel and accommodate the polishing needs of mandrels of different diameters. A support device is also provided at the bottom of the top cap, which securely connects the cap to the support device, thereby improving the stability of the polishing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic structural diagram of the polishing straight push rod of the utility model;

[0029] Figure 2 This is a top view of the polished straight push rod of the utility model;

[0030] Figure 3 It is a structural diagram of the utility model;

[0031] Figure 4 It is an enlarged view of point A of the present utility model.

[0032] In the figure: 1. Straight push rod; 11. Top cap; 12. Rod body; 2. Fixed seat; 3. Main polishing assembly; 31. Main polishing wheel; 32. Main motor; 33. Active rod; 34. Main support bracket; 35. Polishing ring groove; 4. Auxiliary polishing assembly; 41. Auxiliary polishing wheel; 42. Auxiliary motor; 43. Auxiliary rotating rod; 44. Auxiliary support bracket; 5. Adjusting device; 51. Slide rail; 52. Sliding plate; 53. Waist-shaped hole; 54. Adjusting bolt; 6. Support device; 61. Support block; 62. Rotating groove; 63. Support wheel. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] refer to Figure 1-4A semi-automatic straight push rod polishing machine includes a polishing machine body, which is used for semi-automatic polishing of a straight push rod 1. The straight push rod 1 includes a coaxially arranged top cap 11 and a rod body 12; the polishing machine body includes a fixed seat 2 for supporting and fixing the main components of the entire polishing machine body.

[0035] A main polishing assembly 3 and an auxiliary polishing assembly 4 are provided on the fixed seat 2, and a straight push rod 1 is provided between the main polishing assembly 3 and the auxiliary polishing assembly 4. Through the coordinated action of the main polishing assembly 3 and the auxiliary polishing assembly 4, comprehensive polishing of the straight push rod 1 is achieved.

[0036] The main polishing assembly 3 includes a main polishing wheel 31, a main motor 32, an active rod 33, and at least two main support brackets 34. The main motor 32 is mounted on the fixed base 2. The output shaft of the main motor 32 is coaxially provided with an active rod 33. The active rod 33 is coaxially provided with the main polishing wheel 31. The main polishing wheel 31 is a conventional polishing wheel body, which is prior art and will not be described in detail here. The main polishing wheel 31 is provided with a polishing annular groove 35. The active rod 33 is sleeved with two main support brackets 34. The main support brackets 34 are mounted on the fixed base 2 to support and secure the active rod 33 and ensure its stable operation. The main motor 32 drives the active rod 33 to rotate, thereby driving the main polishing wheel 31 to rotate and perform the polishing operation.

[0037] The auxiliary polishing assembly 4 includes an auxiliary polishing wheel 41, an auxiliary motor 42, an auxiliary rotating rod 43, and at least two auxiliary support brackets 44. The auxiliary motor 42 is mounted on the fixed base 2. The auxiliary rotating rod 43 is coaxially fixed to the output shaft of the auxiliary motor 42. The auxiliary polishing wheel 41 is coaxially mounted on the auxiliary rotating rod 43. The auxiliary polishing wheel 41 is a conventional polishing wheel body, which is prior art and will not be described in detail here. The auxiliary rotating rod 43 is sleeved with two auxiliary support brackets 44. The auxiliary support brackets 44 are mounted on the fixed base 2 and are used to support and fix the auxiliary rotating rod 43 to ensure its stable operation. The auxiliary motor 42 drives the auxiliary rotating rod 43 to rotate, which drives the auxiliary polishing wheel 41 to rotate, thereby achieving polishing by the auxiliary polishing wheel 41.

[0038] A straight push rod 1 is provided between the auxiliary polishing wheel 41 and the main polishing wheel 31. Specifically, both the main polishing wheel 31 and the auxiliary polishing wheel 41 are tangential to the rod body 12. The interaction between the main polishing wheel 31 and the auxiliary polishing wheel 41 allows the rod body 12 to be polished. A top cap 11 is provided within the polishing annular groove 35. The dimensions of the polishing annular groove 35 are adapted to those of the top cap 11, thereby polishing the portion of the top cap 11 within the polishing annular groove 35. This also limits the position of the top cap 11 and improves stability during the polishing process. The inner annular wall of the polishing annular groove 35 is tangential to the outer circumference of the top cap 11, allowing the polishing annular groove 35 to polish the outer circumference of the top cap 11 as the main polishing wheel 31 rotates. The side of the top cap 11 close to the rod body 12 is attached to the side surface of the auxiliary polishing wheel 41. Through the rotation of the auxiliary polishing wheel 41, the side of the top cap 11 close to the rod body 12 can be polished; through the cooperation of the main polishing wheel 31, the auxiliary polishing wheel 41 and the polishing ring groove 35, the straight top rod 1 can be polished on multiple sides at the same time, thereby reducing the frequency of changing surfaces during the polishing process of the straight top rod 1, reducing the number of steps and shortening the overall processing time.

[0039] In some embodiments, the main polishing assembly 3 also includes a main bearing. The main bearing sleeve can be mounted on the active rod 33 and arranged in the main bearing bracket 34. The main bearing can reduce the friction force when the active rod 33 rotates, thereby improving the driving efficiency of the main motor 32 on the main polishing wheel 31.

[0040] In some embodiments, the auxiliary polishing assembly 4 also includes an auxiliary bearing, and the auxiliary bearing sleeve can be mounted on the auxiliary rotating rod 43 and arranged in the auxiliary support bracket 44; the auxiliary bearing can reduce the friction force when the auxiliary rotating rod 43 rotates, and improve the driving efficiency of the auxiliary motor 42 on the auxiliary polishing wheel 41.

[0041] The specific working principle is as follows:

[0042] Place the straight push rod 1 to be polished in the polishing ring groove 35 of the main polishing wheel 31. The other end of the straight push rod 1 can be held and fixed, or fixed with a clamping tool. This is the existing technology and will not be described here. And ensure that the top cap 11 fits well with one side of the auxiliary polishing wheel 41.

[0043] The main motor 32 and the auxiliary motor 42 are started to rotate the main polishing wheel 31 and the auxiliary polishing wheel 41 simultaneously. During the rotation, the top cap 11 is squeezed and rubbed by the inner wall of the polishing ring groove 35, thereby polishing the outer surface of the top cap 11. The side of the top cap 11 close to the rod body 12 is squeezed and rubbed by the side of the auxiliary polishing wheel 41, thereby polishing the side of the top cap 11 close to the rod body 12. The rod body 12 is squeezed and rubbed by the main polishing wheel 31 and the auxiliary polishing wheel 41, thereby polishing the rod body 12, thereby achieving simultaneous polishing of multiple surfaces of the straight push rod 1.

[0044] In some embodiments, the polishing machine body also includes an adjusting device 5, which is arranged between the auxiliary polishing assembly 4 and the fixed seat 2, and is used to adjust the relative position of the auxiliary polishing assembly 4 on the fixed seat 2, thereby adjusting the distance between the auxiliary polishing wheel 41 and the main polishing wheel 31 to ensure the polishing effect, and can adapt to the polishing requirements of straight push rods 1 with different diameters.

[0045] Specifically, the adjustment device 5 includes at least two sliding rails 51, a sliding plate 52, a waist-shaped hole 53 and an adjusting bolt 54. The two sliding rails 51 are arranged on the fixed seat 2. A sliding groove is provided at the bottom of the sliding plate 52, and the sliding groove slides with the sliding rail 51. An auxiliary polishing component 4 is provided on the sliding plate 52; waist-shaped holes 53 are provided at the four corners of the sliding plate 52, and the adjusting bolt 54 passes through the waist-shaped hole 53 and is screwed with the fixed seat 2. Loosen the adjusting bolt 54, adjust the position of the sliding plate 52 on the sliding rail 51, and tighten the adjusting bolt 54 to fix the sliding plate 52, so that the auxiliary polishing component 4 can be adjusted.

[0046] In some embodiments, the polishing machine body also includes a supporting device 6, which includes a supporting block 61, a rotating groove 62 and a supporting wheel 63. The supporting block 61 is arranged on the fixed seat 2; a rotating groove 62 is opened on the top of the support block 61, and two supporting wheels 63 are symmetrically arranged in the rotating groove 62. The two supporting wheels 63 are rollingly connected to the top cap 11, can support the bottom of the top cap 11, and can rotate with the top cap 11, thereby ensuring stability and accuracy during the polishing process.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A semi-automatic straight push rod polishing machine, characterized by: It comprises a polishing machine body, wherein the polishing machine body comprises a fixing seat (2); A main polishing assembly (3), the main polishing assembly (3) being arranged on the fixed seat (2), the main polishing assembly (3) comprising a main polishing wheel (31), and the main polishing wheel (31) being provided with a polishing annular groove (35); An auxiliary polishing assembly (4), the auxiliary polishing assembly (4) being arranged on the fixed seat (2), the auxiliary polishing assembly (4) comprising an auxiliary polishing wheel (41), and a straight push rod (1) being arranged between the auxiliary polishing wheel (41) and the main polishing wheel (31); The straight push rod (1) comprises a coaxially arranged top cap (11) and a rod body (12); The main polishing wheel (31) and the auxiliary polishing wheel (41) are both tangent to the rod body (12), the top cap (11) is provided in the polishing ring groove (35), and the top cap (11) is attached to a side surface of the auxiliary polishing wheel (41) close to a side surface of the rod body (12).

2. A semi-automatic straight push rod polishing machine according to claim 1, characterized in that: The main polishing assembly (3) comprises a main motor (32), and the main motor (32) is arranged on the fixing seat (2); An active rod (33), the active rod (33) being coaxially fixed to the output shaft of the main motor (32), and the main polishing wheel (31) being coaxially provided on the active rod (33); At least two main support brackets (34), the two main support brackets (34) are arranged on the fixing seat (2), and the active rod (33) is penetrated.

3. A semi-automatic straight push rod polishing machine according to claim 2, characterized in that: The main polishing assembly (3) further comprises a main bearing, which is sleeved on the active rod (33) and disposed in the main bearing bracket (34).

4. A semi-automatic straight push rod polishing machine according to claim 1, characterized in that: The auxiliary polishing assembly (4) comprises an auxiliary motor (42), and the auxiliary motor (42) is arranged on the fixing seat (2); An auxiliary rotating rod (43), the auxiliary rotating rod (43) is coaxially fixed on the output shaft of the auxiliary motor (42), and the auxiliary polishing wheel (41) is coaxially provided on the auxiliary rotating rod (43); At least two auxiliary support brackets (44), the two auxiliary support brackets (44) are arranged on the fixing seat (2) and penetrate the auxiliary rotating rod (43).

5. A semi-automatic straight push rod polishing machine according to claim 4, characterized in that: The auxiliary polishing assembly (4) further comprises an auxiliary bearing, which is sleeved on the auxiliary rotating rod (43) and disposed in the auxiliary support bracket (44).

6. A semi-automatic straight push rod polishing machine according to claim 1, characterized in that: The polishing machine body further comprises an adjusting device (5), and the adjusting device (5) is arranged between the auxiliary polishing assembly (4) and the fixing seat (2).

7. A semi-automatic straight push rod polishing machine according to claim 6, characterized in that: The adjusting device (5) comprises at least two slide rails (51), and the two slide rails (51) are arranged on the fixing seat (2); A sliding plate (52), wherein a sliding groove is provided at the bottom of the sliding plate (52), the sliding groove is in sliding engagement with the slide rail (51), and the auxiliary polishing assembly (4) is provided on the sliding plate (52); Waist-shaped holes (53), the waist-shaped holes (53) are provided at the four corners of the sliding plate (52); An adjusting bolt (54) passes through the waist-shaped hole (53) and is threadedly engaged with the fixing seat (2).

8. The semi-automatic straight push rod polishing machine according to claim 1, characterized in that: The polishing machine body further comprises a supporting device (6), wherein the supporting device (6) comprises a supporting block (61), and the supporting block (61) is arranged on the fixing seat (2); a rotation groove (62), the rotation groove (62) being provided on the top of the support block (61); Two supporting wheels (63), the two supporting wheels (63) are symmetrically arranged in the rotating groove (62), and the two supporting wheels (63) are rollingly connected to the top cap (11).