Low-jumping electric grinding head
By incorporating a mounting base, grinding head, mounting housing, motor, and lead screw into the electric grinding head, along with a limiting groove and water cooling system, the problems of large space occupation and high vibration of the grinding head are solved, achieving high-precision grinding results and reducing production costs.
Patent Information
- Application Number
- CN202520289162.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing electric grinding heads occupy a large external space and vibrate significantly during operation, resulting in reduced grinding accuracy and increased production costs.
By coordinating the mounting base, grinding head, mounting housing, motor, and lead screw, the grinding head is always contained within the mounting base, reducing vibration amplitude. The design of limiting grooves and limiting blocks enables axial movement of the grinding head, and the combination of a water cooling system improves grinding accuracy.
It reduces the external space occupied by the grinding head, reduces vibration amplitude, improves grinding accuracy, and reduces production costs.
Smart Images

Figure CN223947639U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric grinding head technical field, specifically, a low bounce's electric grinding head. BACKGROUND
[0002] The existing electric grinding head is generally arranged outside when working, so not only occupies the external space, and the grinding head works when the vibration is big, is easy to produce the higher amplitude's up and down bounce, so is easy to make the grinding precision of grinding head reduce, thereby leads to the qualified rate of product to drop, increases the production cost. UTILITY MODEL CONTENTS
[0003] To solve at least one aspect among above-mentioned problem, the utility model provides a low bounce's electric grinding head, including mounting seat, grinding head, motor, the mounting shell is set on the grinding head, the grinding head is rotationally connected with the mounting shell, the mounting shell is contained in the mounting seat, the connecting seat is fixed on the mounting shell, the connecting seat is screw threaded with the lead screw, the lead screw and the grinding head are axially parallel arrangement, the lead screw is axially fixed on the mounting seat, the motor is connected and drives the rotation of the lead screw, to make the mounting shell drive the axial movement of the grinding head, make the grinding head extend the mounting seat and carry out the rotation polishing after.
[0004] Optionally, the mounting seat includes an installation cavity, the installation cavity is provided with a limiting groove, the limiting block is protruded on the mounting shell, the limiting block is limited in the limiting groove and slides along the limiting groove, so that the grinding head can extend the installation seat for polishing.
[0005] Optionally, the grinding head includes a sleeve, the sleeve is provided with a spiral groove for guiding water flow, the mounting shell is sleeved on the sleeve, the mounting shell is provided with a water flow cavity for water flow, the spiral groove and the water flow cavity are communicated, the mounting shell is communicated with the water inlet pipe and the water outlet pipe, the water inlet pipe and the water outlet pipe are communicated with the water flow cavity.
[0006] Optionally, the spiral groove is annularly arranged on the outer side of the sleeve and distributed along the axial direction.
[0007] Optionally, the mounting seat is provided with a limiting cavity, the lead screw is rotatably arranged on the left and right end side walls of the limiting cavity, and the connecting seat is limitedly contained in the limiting cavity and moves axially in the limiting cavity along the lead screw.
[0008] Optionally, one end of the grinding head is provided with a rotary joint, and a protective shell is fixedly arranged outside the rotary joint to enhance the rotation safety of the rotary joint.
[0009] Optionally, the grinding head comprises a body and a grinding wheel, one end of the body is connected with a flange, the grinding wheel is fixed on the flange and rotates with the flange, and the grinding wheel is used for grinding a workpiece.
[0010] Optionally, the left and right ends of the mounting shell are respectively limitedly connected with a first limiting piece and a second limiting piece, the first limiting piece and the second limiting piece contain a bearing, the body passes through the bearing and is rotationally connected with the bearing, the bearing is used for supporting the body, and the left and right ends of the body are respectively limitedly connected with the first limiting piece and the second limiting piece, so that the mounting shell can drive the body to axially move.
[0011] Compared with the prior art, the low-jump electric grinding head in the utility model, by setting the mounting seat, the grinding head, the mounting shell, the motor and the screw rod, the grinding head is always contained in the mounting seat, the external occupied space is reduced, the vibration amplitude during grinding is reduced, and the grinding precision is improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structure diagram of the electric grinding head of the utility model embodiment;
[0013] Figure 2 It is a sectional view of the electric grinding head of the utility model embodiment;
[0014] Figure 3 It is a partial structure diagram of the electric grinding head of the utility model embodiment;
[0015] Figure 4 It is an explosion diagram of the electric grinding head of the utility model embodiment;
[0016] Figure 5 It is an explosion diagram of the grinding head of the utility model embodiment.
[0017] BRIEF DESCRIPTION OF DRAWINGS:
[0018] 1, mounting seat; 11, mounting cavity; 111, limiting groove; 12, limiting cavity; 2, grinding head; 21, mounting shell; 211, connecting seat; 212, limiting block; 22, water flow cavity; 221, water inlet pipe; 222, water outlet pipe; 23, sleeve; 231, spiral groove; 24, rotary joint; 241, protective shell; 25, body; 26, flange; 27, grinding wheel; 3, motor; 4, screw rod; 5, first limiting piece; 6, second limiting piece; 7, bearing. DETAILED DESCRIPTION
[0019] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings.
[0020] The embodiment of the utility model discloses the coordinate system XYZ is provided in the drawing, wherein the positive direction of X axis represents left, the reverse direction of X axis represents right, the positive direction of Y axis represents front, the reverse direction of Y axis represents back, the positive direction of Z axis represents upper, the reverse direction of Z axis represents lower.
[0021] The utility model discloses an embodiment provides a kind of low bounce electric grinding head, combine Figures 1-5 As shown in the figure, including mounting seat 1, grinding head 2, motor 3, the mounting shell 21 is sleeved on the grinding head 2, the grinding head 2 is rotationally connected with the mounting shell 21, the mounting shell 21 is contained in the mounting seat 1, the mounting shell 21 is fixed with the connecting seat 211, the screw rod 4 is threadedly connected on the connecting seat 211, the screw rod 4 and the grinding head 2 are axially parallel, the screw rod 4 is axially fixed on the mounting seat 1, the motor 3 is connected and drives the screw rod 4 rotation, to make the mounting shell 21 drive the grinding head 2 axial movement, make the grinding head 2 after protruding the mounting seat 1 rotation polishing.
[0022] As shown in the figure, Figure 4 Optionally, the mounting seat 1 includes mounting cavity 11, the limiting groove 111 is arranged in the mounting cavity 11, the limiting block 212 is protruded on the mounting shell 21, the limiting block 212 is limited in the limiting groove 111 and slides along the limiting groove 111, so that the grinding head 2 can protrude the mounting seat 1 and polish. The vertical section of mounting shell 21 is approximately hexagonal, and the limiting block 212 is protruded from the front and rear ends of the mounting shell 21 and arranged along the axial direction.
[0023] As shown in the figure, Figure 5 Optionally, the grinding head 2 includes a sleeve 23, the sleeve 23 is provided with a spiral groove 231 for guiding water flow, the mounting shell 21 is sleeved on the sleeve 23, the mounting shell 21 is provided with a water flow cavity 22 for water flow, the spiral groove 231 and the water flow cavity 22 are connected, the mounting shell 21 is connected with a water inlet pipe 221 and a water outlet pipe 222, the water inlet pipe 221 and the water outlet pipe 222 are connected with the water flow cavity 22. After the water flow enters through the water inlet pipe 221, it flows through the water flow cavity 22 into the spiral groove 231, and the grinding head 2 is cooled, so that the heat generated during the rotation of the grinding head 2 can be absorbed and removed by the water flow.
[0024] Optionally, the spiral groove 231 is annularly arranged on the outer side of the sleeve 23 and distributed along the axial direction.
[0025] As shown in the figure, Figure 3 Optionally, the mounting seat 1 is provided with a limiting cavity 12, the screw rod 4 is rotationally arranged on the left and right end side walls of the limiting cavity 12, the connecting seat 211 is limited and contained in the limiting cavity 12 and moves axially in the limiting cavity 12 along the screw rod 4.
[0026] As Figure 2 shown, optionally, one end of the grinding head 2 is provided with a rotary joint 24, and a protective shell 241 is fixed outside the rotary joint 24 to enhance the rotation safety of the rotary joint 24. The protective shell 241 can prevent the rotary joint 24 from being stuck by external foreign matters during rotation or prevent the human body from being injured by accidental touch.
[0027] As Figure 1 shown, optionally, the grinding head 2 comprises a body 25 and a grinding wheel 27, one end of the body 25 is connected with a flange 26, the grinding wheel 27 is fixed on the flange 26 and rotates with the flange 26, and the grinding wheel 27 is used for grinding workpieces.
[0028] As Figure 2 shown, optionally, the left and right ends of the mounting shell 21 are respectively limitedly connected with a first limiting piece 5 and a second limiting piece 6, the first limiting piece 5 and the second limiting piece 6 contain a bearing 7, the body 25 passes through the bearing 7 and is rotationally connected with the bearing 7, the bearing 7 is used for supporting the body 25, and the left and right ends of the body 25 are respectively limitedly connected with the first limiting piece 5 and the second limiting piece 6, so that the mounting shell 21 can drive the body 25 to axially move. The left end of the mounting shell 21 is provided with a limiting step to abut against the first limiting piece 5, and the second limiting piece 6 is provided with a limiting step to abut against the right end of the mounting shell 21. Therefore, the grinding head 2 can axially move along with the mounting shell 21 without affecting the rotation of the grinding head 2.
[0029] Compared with the prior art, the low-jitter electric grinding head in the utility model, by setting the mounting seat 1, the grinding head 2, the mounting shell 21, the motor 3 and the screw rod 4 in cooperation, the grinding head 2 is always contained in the mounting seat 1, the external occupied space is reduced, the vibration amplitude during grinding is reduced, and the grinding precision is improved.
[0030] Equivalently, the components contained in the "assembly", "mechanism" and "device" of the disclosure can also be flexibly combined, that is, they can be modularly produced according to actual conditions and modularly assembled as an independent module; or they can be assembled respectively and constitute a module in the device. The division of the above components by the disclosure is only one embodiment, for the convenience of reading, and is not a limitation on the protection scope of the disclosure. As long as the above components are included and the same effect is achieved, it should be understood that the technical solution of the disclosure is equivalent.
[0031] In the description of the present disclosure, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the present disclosure and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present disclosure.
[0032] In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include at least one of the features. In the description of the present disclosure, the meaning of "a plurality of" is at least two, for example, two, three, and the like, unless otherwise explicitly specified and limited.
[0033] In the present disclosure, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.
[0034] In the present disclosure, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0035] It should be noted that when an element is referred to as being "fixed", "attached", "connected" or "mounted" to another element, it can be directly on the other element or intervening elements can also be present. In addition, when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present. Further, where an element is referred to as being "fixed", "attached", "connected" or "mounted", it can be fixed, attached, connected or mounted directly or indirectly to the other element, and any other elements can be directly or indirectly coupled between them. It will be appreciated that various modifications can be made to the embodiments disclosed herein, and the function and / or elements of the embodiments can be either combined or split between the embodiments.
[0036] The technical features of the above embodiments can be combined in any manner. For the sake of brevity, not all possible combinations of the technical features described above are described, however, as long as the combinations of the technical features do not result in contradictions, they shall be considered as falling within the scope of the present disclosure.
[0037] The above embodiments only express several implementation manners of the present disclosure, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the utility model patent. It should be noted that for those skilled in the art, without departing from the utility model concept of the present disclosure, a number of modifications and improvements can be made, which shall fall within the protection scope of the present disclosure.
Claims
1. A low run-out motorized grinding head, characterized in that, The utility model provides a grinding head can be extended and retracted, and the grinding head can rotate after being extended, and the grinding head can be rotated to polish workpieces, and the utility model discloses a grinding head, motor, mounting seat (1), grinding head (2), the mounting shell (21) of grinding head (2) is equipped with, grinding head (2) with mounting shell (21) rotation is connected, mounting shell (21) is contained in mounting seat (1), the connecting seat (211) of mounting shell (21) is fixed with, the screw rod (4) of connecting seat (211) is screwed, the screw rod (4) with grinding head (2) axial parallel arrangement, the screw rod (4) is axially fixed on mounting seat (1), the motor (3) is connected and drives the screw rod (4) rotation, to make mounting shell (21) drive grinding head (2) axial movement, make grinding head (2) extend mounting seat (1) after rotation and polish.
2. The low run-out motorized grinding head of claim 1, wherein, The mounting seat (1) includes an installation cavity (11), the installation cavity (11) is provided with a limiting groove (111), the limiting block (212) is protruded on the mounting shell (21), the limiting block (212) is limited in the limiting groove (111) and slides along the limiting groove (111), so that the grinding head (2) can extend the mounting seat (1) and polish.
3. The low run-out motorized grinding head of claim 2, wherein, The grinding head (2) includes a sleeve (23), the sleeve (23) is provided with a spiral groove (231) for guiding water flow, the mounting shell (21) is sleeved on the sleeve (23), the mounting shell (21) is provided with a water flow cavity (22) for water flow, the spiral groove (231) and the water flow cavity (22) are communicated, the mounting shell (21) is communicated with the water inlet pipe (221) and the water outlet pipe (222), the water inlet pipe (221) and the water outlet pipe (222) are communicated with the water flow cavity (22).
4. The low run-out motorized grinding head of claim 3, wherein, The spiral groove (231) is arranged on the outer side of the sleeve (23) and distributed along the axial direction.
5. The low run-out motorized grinding head of claim 4, wherein, The mounting seat (1) is provided with a limiting cavity (12), the screw rod (4) is rotatably arranged on the left and right end side walls of the limiting cavity (12), the connecting seat (211) is limitedly accommodated in the limiting cavity (12) and moves axially along the screw rod (4) in the limiting cavity (12).
6. The low run-out motorized grinding head of claim 5, wherein, One end of the grinding head (2) is provided with a rotary joint (24), and a protective shell (241) is fixed outside the rotary joint (24) to enhance the rotation safety of the rotary joint (24).
7. The low run-out motorized grinding head of claim 6, wherein, The grinding head (2) includes a body (25) and a grinding wheel (27), one end of the body (25) is connected with a flange (26), the grinding wheel (27) is fixed on the flange (26) and rotates with the flange (26), and the grinding wheel (27) is used for polishing workpieces.
8. The low run-out motorized grinding head of claim 7, wherein, The left and right ends of the mounting shell (21) are respectively limitedly connected with a first limiting piece (5) and a second limiting piece (6), the first limiting piece (5) and the second limiting piece (6) contain a bearing (7), the body (25) passes through the bearing (7) and is rotationally connected with the bearing (7), the bearing (7) is used for supporting the body (25), and the left and right ends of the body (25) are respectively limitedly connected with the first limiting piece (5) and the second limiting piece (6), so that the mounting shell (21) can drive the body (25) to move axially.