Tool for rapidly removing burrs on inner wall of cross hole

By designing a quick burr removal tool for the inner wall of cross holes, and using a pneumatic motor to drive the grinding head and movable guide assembly, the problem of low efficiency and poor uniformity in manual burr removal is solved, achieving a highly efficient and uniform burr removal effect.

CN223820210UActive Publication Date: 2026-01-23SUZHOU CHUO MALLEABLE IRON
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520436969.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-23
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

In the existing technology, the removal of burrs on the inner wall of cross holes relies on manual operation, which requires experienced workers. The limited space makes the removal difficult and inefficient, and it is only suitable for small-scale production.

Method used

A quick burr removal fixture for the inner wall of cross holes was designed, including a support base plate, a grinding component and a movable guide component. The grinding head is driven to rotate at high speed by a pneumatic motor, and the workpiece is automatically moved by the movable guide component to ensure grinding uniformity and stability.

Benefits of technology

It achieves rapid burr removal without the need for experience-based control, improving production efficiency and the uniformity of burr removal, and is suitable for mass production.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223820210U_ABST
    Figure CN223820210U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of burr removing tools, in particular to a tool for rapidly removing burrs on the inner wall of a cross hole. According to the technical scheme, the device comprises a supporting bottom plate used for supporting, supporting columns are fixedly arranged at the four corners of the upper surface of the supporting bottom plate respectively, and a bottom plate is fixedly arranged at the upper ends of the supporting columns; the bearing seats are fixedly arranged on the upper surface of the bottom plate, a polishing assembly used for removing burrs is arranged between the bearing seats, and a clamping block is arranged between the polishing assembly and the bottom plate; the movable guide assembly is arranged between the bearing seats and used for limiting the grinding assembly, an air cylinder used for driving the movable guide assembly is fixedly arranged on one side of each bearing seat, and a workpiece is arranged at the upper end of each movable guide assembly. The device can quickly and effectively polish burrs on the inner wall of the cross hole, accurate control by staff depending on experience is not needed, the burr removing time is greatly shortened, the production efficiency is greatly improved, and the device is particularly suitable for the scene of batch production.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to burr removal frock technical field, especially cross hole inner wall burr quick removal frock. BACKGROUND

[0002] In machining manufacturing industry, especially in the field of precision CNC machining, the removal of cross hole inner wall burr has always been a very challenging task. With the continuous improvement of the requirements of manufacturing industry on product precision and quality, the proper handling of cross hole inner wall burr is particularly critical. The existence of burr not only affects the appearance quality of the product, but also may cause problems in the subsequent assembly process, reducing the overall performance and reliability of the product. The existing burr removal is manually removed by workers using a file. In order to accurately control the depth and range of burr removal, the workers need to have certain skills and rich experience. Moreover, due to the limited space in the operation, the workers are difficult to use the tool, resulting in great difficulty in burr removal. Not only the uniformity of removal cannot be guaranteed, but also the efficiency is extremely low, which is only suitable for small amount of production. Therefore, the utility model provides a cross hole inner wall burr quick removal frock. SUMMARY

[0003] The utility model aims at the problem that burr removal is manually removed by workers using a file, and the workers need to have certain skills and rich experience to accurately control the depth and range of burr removal. Moreover, due to the limited space in the operation, the workers are difficult to use the tool, resulting in great difficulty in burr removal. Not only the uniformity of removal cannot be guaranteed, but also the efficiency is extremely low, which is only suitable for small amount of production. The utility model provides a cross hole inner wall burr quick removal frock.

[0004] The utility model discloses a cross hole inner wall burr quick removal frock, which comprises a supporting bottom plate for supporting, four corners of the upper surface of the supporting bottom plate are respectively fixedly provided with supporting columns, and the upper ends of the supporting columns are fixedly provided with a bottom plate.

[0005] Optionally, the polishing handle is sleeved on the clamping block, the internal part of the polishing handle is fixedly installed with an air pressure motor, and the output end of the air pressure motor is provided with a polishing head.

[0006] Optionally, the activity guide assembly comprises a set of guide rods movably sleeved between the bearing seats, outer walls of the guide rods are movably sleeved with guide sleeves respectively, outer walls of the guide sleeves are fixedly sleeved with equal-height blocks, one end of the equal-height blocks is fixedly connected with the movable plate, the other end of the equal-height blocks is fixedly connected with the air pressure connecting plate, the air pressure connecting plate is connected with the output end of the air cylinder, upper surfaces of the equal-height blocks and the air pressure connecting plate are fixedly provided with the positioning block.

[0007] Optionally, a stop pin is provided through one side of the bearing seat, and the stop pin is located at one side of the movable plate.

[0008] Optionally, a stop bolt is provided above the air cylinder, the stop bolt is threadedly sleeved with the bearing seat, and the stop bolt is located at one side of the air pressure connecting plate.

[0009] Optionally, the upper end of the polishing handle is provided with a 60-degree bending.

[0010] In summary, the present application includes at least one of the following beneficial technical effects:

[0011] The utility model discloses a setting of polishing assembly, utilizes the high -speed rotation of polishing head of air pressure motor drive, can fast effectively to the cross hole inner wall burr is polished, need not staff to rely on experience accurate control, greatly shorten the burr removal time, greatly promote production efficiency, especially applicable to the scene of batch production;

[0012] Further, the utility model discloses an activity guide assembly can automatically move the workpiece to the polishing head of polishing assembly, ensure that the polishing head and the workpiece cross hole inner wall are evenly contacted in the polishing process, avoid the burr removal uneven problem caused by the limited space of manual operation difficult to display the tool, thereby guarantee the uniformity and stability of burr removal, and significantly improve product quality. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 Give a kind of cross hole inner wall burr quick removal tool structure schematic view;

[0014] Figure 2 is Figure 1 front view cross-sectional structure schematic view;

[0015] Figure 3 is Figure 1 polishing assembly in the structure schematic view;

[0016] Figure 4 is Figure 1 activity guide assembly in the structure schematic view;

[0017] Figure 5 is Figure 4 activity guide assembly in the partial split structure schematic view.

[0018] Reference signs:

[0019] 1, support base plate; 2, support column; 3, base plate; 4, bearing seat;

[0020] 5, polishing assembly; 51, polishing handle; 52, air pressure motor; 53, polishing head;

[0021] 6, clamping block;

[0022] 7, movable guide assembly; 71, guide rod; 72, guide sleeve; 73, equal height block; 74, movable plate; 75, air pressure connecting plate; 76, positioning block;

[0023] 8, air cylinder; 9, workpiece; 10, stop pin; 11, stop bolt. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0025] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0026] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0027] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the utility model, it is necessary to explain that, unless another explicit provision and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through the intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model according to specific circumstances.

[0029] Embodiments

[0030] As Figure 1 and Figure 2 The utility model discloses a kind of cross hole inner wall burr quick removal tool, comprising: support base plate 1 for supporting, the upper surface of support base plate 1 four corners is respectively fixedly provided with support column 2, the upper end of support column 2 is fixedly provided with bottom plate 3, workpiece 9 polishing can provide stable support;A group of bearing seats 4 are fixedly set on the upper surface of bottom plate 3, and bearing seat 4 is symmetrically arranged, and bearing seat 4 is provided with the polishing assembly 5 for removing burr between, polishing assembly 5 and bottom plate 3 between being provided with clamping block 6, can be polished assembly 5 stable fixed on bottom plate 3, avoid displacement;Limiting movable guide assembly 7 for polishing assembly 5 between bearing seat 4 is set, one side of bearing seat 4 is fixedly provided with the pneumatic cylinder 8 for driving movable guide assembly 7, the upper end of movable guide assembly 7 is provided with workpiece 9, can drive workpiece 9 to move, to remove the efficiency of burr.

[0031] As Figure 1 , Figure 2 and Figure 3 Polishing assembly 5 includes polishing handle 51 that is sleevedly arranged on clamping block 6, air pressure motor 52 is fixedly installed in the inside of polishing handle 51, polishing head 53 is provided on the output end of air pressure motor 52, can be driven by air pressure and be quickly rotated to polishing head 53, to workpiece 9 is stably polished.

[0032] As Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the movable guide assembly 7 comprises a set of guide rods 71 movably sleeved between the bearing seats 4, the outer wall of the guide rods 71 is movably sleeved with guide sleeves 72 respectively, the guide sleeves 72 can be stably guided, the outer wall of the guide sleeves 72 is fixedly sleeved with the equal-height blocks 73, the equal-height blocks 73 can be conveniently driven to move simultaneously, one end of the equal-height blocks 73 is fixedly connected with the movable plates 74, the other end of the equal-height blocks 73 is fixedly connected with the pneumatic connecting plates 75, and the pneumatic connecting plates 75 are connected with one end of the pneumatic cylinders 8, so as to conveniently drive the equal-height blocks 73 to displace, the pneumatic connecting plates 75 are connected with the output end of the pneumatic cylinders 8, the upper surfaces of the equal-height blocks 73 and the pneumatic connecting plates 75 are fixedly provided with the positioning blocks 76, the positioning blocks 76 can stably install the workpiece 9 through bolts, so as to stably polish the workpiece 9.

[0033] Further, the bearing seat 4 is provided with a stop pin 10 penetrating through one side, and the stop pin 10 is located on one side of the movable plate 74, which can limit the moving position of the movable guide assembly 7.

[0034] Secondly, the upper side of the pneumatic cylinder 8 is provided with a stop bolt 11, the stop bolt 11 is threadedly sleeved with the bearing seat 4, and the stop bolt 11 is located on one side of the pneumatic connecting plate 75, which can limit the displacement position of the movable guide assembly 7.

[0035] Further, the upper end of the polishing handle 51 is provided with a 60-degree bending, which can ensure that the polishing head 53 is inclined and can contact the workpiece 9 more closely, thereby improving the polishing quality.

[0036] The working principle of the embodiment is as follows: first, the workpiece 9 is placed on the positioning block 76 of the movable guide assembly 7 and fixed through bolts to complete the workpiece positioning. Then, the pneumatic switch is pressed, and the polishing assembly 5 starts to work. The pneumatic motor 52 in the polishing assembly 5 drives the polishing head 53 to rotate at high speed, providing power for subsequent burr polishing.

[0037] After that, the pneumatic cylinder 8 is started, the output end of the pneumatic cylinder 8 drives the pneumatic connecting plate 75, drives the movable plate 74, the equal-height block 73, the guide sleeve 72 and the workpiece 9 to move stably along the guide rod 71 to the polishing head 53. In this process, the polishing head 53 contacts the cross hole inside the workpiece 9, and the high-speed rotating polishing head polishes and removes the burr on the inner wall of the cross hole.

[0038] After polishing is completed, the pneumatic switch is loosened, the pneumatic cylinder 8 stops pushing, the pneumatic motor 52 stops working, and the polishing head 53 stops rotating. The movable device is reset to the starting position under the action of the reset mechanism, and the workpiece 9 is reset along the guide rod 71. The workpiece 9 that has completed deburring is taken out, and a new workpiece to be processed is placed, and the above operation process is repeated to continuously remove the burrs in the cross hole wall.

[0039] The above specific embodiments are only optional embodiments of the present application, and based on the technical solutions of the present application and the related inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A quick-release tooling for removing burrs from the inner wall of a cross-hole, characterized in that, include: A support base plate (1) is used for support. Support columns (2) are fixedly installed at the four corners of the upper surface of the support base plate (1). A base plate (3) is fixedly installed at the upper end of the support column (2). A set of bearing seats (4) are fixedly installed on the upper surface of the base plate (3). A grinding assembly (5) for removing burrs is provided between the bearing seats (4). A clamping block (6) is provided between the grinding assembly (5) and the base plate (3). A movable guide assembly (7) is provided between the bearing seats (4) for limiting the grinding assembly (5). A cylinder (8) for driving the movable guide assembly (7) is fixedly provided on one side of the bearing seat (4). A workpiece (9) is provided at the upper end of the movable guide assembly (7).

2. The quick-release tooling for removing burrs from the inner wall of a cross-hole according to claim 1, characterized in that, The polishing assembly (5) includes a polishing handle (51) sleeved on the clamping block (6), and a pneumatic motor (52) is fixedly installed inside the polishing handle (51). A polishing head (53) is provided on the output end of the pneumatic motor (52).

3. The quick-release tooling for removing burrs from the inner wall of a cross hole according to claim 2, characterized in that, The movable guide assembly (7) includes a set of guide rods (71) movably sleeved between the bearing seats (4). The outer walls of the guide rods (71) are respectively movably sleeved with guide sleeves (72). The outer walls of the guide sleeves (72) are fixedly sleeved with leveling blocks (73). One end of the leveling block (73) is fixedly connected to a movable plate (74). The other end of the leveling block (73) is fixedly connected to a pneumatic connecting plate (75). The pneumatic connecting plate (75) is connected to the output end of the cylinder (8). The upper surfaces of the leveling block (73) and the pneumatic connecting plate (75) are fixedly provided with positioning blocks (76).

4. The quick-release tooling for removing burrs from the inner wall of a cross hole according to claim 3, characterized in that, A stop pin (10) is provided through one side of the bearing housing (4), and the stop pin (10) is located on one side of the movable plate (74).

5. The quick-release tooling for removing burrs from the inner wall of a cross-hole according to claim 4, characterized in that, A stop bolt (11) is provided above the cylinder (8). The stop bolt (11) is threadedly connected to the bearing seat (4), and the stop bolt (11) is located on one side of the pneumatic connecting plate (75).

6. The quick-release tooling for removing burrs from the inner wall of a cross hole according to claim 5, characterized in that, The upper end of the polishing handle (51) is bent at 60 degrees.