Lever type grinding head lifting device

Through the cooperation of the lever structure and electric push rod, the flexible lifting and workpiece fixation of the grinding device are achieved, which solves the limitations of lifting functions and safety problems of traditional grinding devices, and improves grinding efficiency and accuracy.

CN223277727UActive Publication Date: 2025-08-29HARBIN TONGJIA TECH DEV CO LTD
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Patent Information

Application Number
CN202422563844.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-08-29
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

Traditional grinding devices have problems such as limited range, complex operation and insufficient stability in lifting functions, resulting in low grinding efficiency, poor adaptability to workpieces of different heights and sizes, and safety hazards.

Method used

The lever-type structure is adopted, and the support rod four is turned by electric push rod two to realize up and down movement of the mobile base. Combined with electric push rod one and threaded rod, the movement of the grinding components is driven to achieve flexible adjustments to different heights and positions, and fixing the workpieces are set to avoid manual operation.

Benefits of technology

It realizes flexible polishing of workpieces of different heights and sizes, improves grinding efficiency and accuracy, and reduces the safety risks of manual operation.

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Abstract

The utility model discloses a lever type grinding head lifting device, and relates to the technical field of grinding head lifting. The polishing device comprises a workbench, a polishing assembly is arranged on the right side of the workbench, a lifting assembly is arranged below the polishing assembly and comprises a movable base, two first L-shaped supporting rods are fixedly connected to the front face of the workbench, and the outer surfaces of the two first L-shaped supporting rods are both in sliding connection with the left side of the interior of the workbench; the bottom of the movable base is fixedly connected with a first supporting rod, and the outer surface of the first L-shaped supporting rod is slidably connected with the front face and the back face of the interior. The second electric push rod is arranged, specifically, the second electric push rod is started, the output end of the second electric push rod moves forwards or backwards to drive the fourth supporting rod to move, a groove in the fourth supporting rod enables the fourth supporting rod to turn over, and the first supporting rod drives the movable base to move upwards or downwards through movement of the fourth supporting rod. Therefore, objects with different heights can be polished.
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Description

Technical Field

[0001] The utility model belongs to the technical field of grinding head lifting, in particular to a lever-type grinding head lifting device. Background Art

[0002] Grinding is an essential part of machining and manufacturing. However, conventional grinding equipment often suffers from numerous limitations in its lifting capabilities, such as limited range, complex operation, and insufficient stability. These issues not only limit the efficiency and quality of grinding operations but also pose a threat to operator safety. Therefore, the market urgently needs a grinding device that overcomes these limitations to meet the demand for more efficient, precise, and safer grinding.

[0003] At present, many grinding devices on the market require the use of various auxiliary tools to grind workpieces of different heights. Their lifting functions are often limited and cannot be flexibly adjusted to the ideal working height, which leads to low grinding efficiency and limitations for parts of different sizes. Therefore, we proposed a lever-type grinding head lifting device. Utility Model Content

[0004] The purpose of the utility model is to provide a lever-type grinding head lifting device, which provides an electric push rod 2, specifically starts the electric push rod 2, and the output end of the electric push rod 2 moves forward or backward to drive the support rod 4 to move. The groove inside the support rod 4 will cause the support rod 4 to flip over, and the support rod 1 drives the movable base to move up or down through the movement of the support rod 4, so that objects of different heights can be polished, which solves the problem that many polishing devices on the existing market need to use various auxiliary tools for polishing when dealing with workpieces of different heights, and their lifting functions are often limited and cannot be flexibly adjusted to the ideal working height, which will lead to low polishing efficiency and limitations for parts of different sizes.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a lever-type grinding head lifting device, comprising a workbench, a grinding assembly is provided on the right side of the workbench, a lifting assembly is provided below the grinding assembly, and the lifting assembly comprises a movable base, and the front side of the workbench is fixedly connected to two L-shaped support rods;

[0007] The outer surfaces of the two groups of L-shaped support rods are both slidably connected to the left side of the interior, the bottom of the movable base is fixedly connected to support rod one, the left side of support rod one is fixedly connected to support rod two, the outer surface of the L-shaped support rod one is slidably connected to the front and back sides of the interior, the bottom center of support rod two is fixedly connected to support rod three, the right side of support rod three is rotatably connected to L-shaped support rod two through a pin shaft, the end of the L-shaped support rod two away from support rod three is fixedly connected to a round rod, and the top left side of the workbench is fixedly connected to an electric push rod two. By setting up the electric push rod two, the movable base can be moved up and down, so that objects of different heights can be polished.

[0008] Furthermore, the left end of the round rod is fixedly connected to a support rod four, a notch is provided inside the support rod four, two fixed blocks are fixedly connected to the front of the workbench, the two fixed blocks are rotatably connected to the outer surface of the round rod, the right output end of the electric push rod two is fixedly connected to a telescopic rod, the right side of the telescopic rod is slidably connected to the notch through a pin shaft, and the rotation of the round rod to the electric push rod two is achieved by setting the support rod four. The rotation of the round rod will cause the device to move up or down, which can make the grinding accuracy more accurate.

[0009] Furthermore, the grinding assembly includes a motor 1, the back output end of the motor 1 is fixedly connected to a grinding disc through a coupling, the back of the motor 1 is fixedly connected to a protective shell, the bottom of the motor 1 is fixedly connected to a support base, the left and right sides of the bottom of the support base are slidably connected to two sliding rods, the bottoms of the two sliding rods are fixedly connected to the left and right sides of the top of the movable base, and the front of the top of the movable base is fixedly connected to an electric push rod 1, the back output end of the electric push rod 1 is fixedly connected to the front of the support base, and the support base is driven to move forward or backward by setting the electric push rod 1, and the motor drives the grinding disc to move through the movement of the support base, so that different positions of the object can be polished.

[0010] Furthermore, a fixing assembly is provided on the back of the workbench, and the fixing assembly includes a polishing table, a fixing plate is fixedly connected to the right side of the top of the polishing table, a movable plate is provided on the top of the polishing table, and a support frame is fixedly connected to the top of the inner wall of the polishing table. By providing the movable plate, the polishing object can be tightly clamped, which can fix the polishing object, save the step of manual fixation by the staff, and effectively avoid injury to the staff.

[0011] Furthermore, a second motor is fixedly connected to the inside of the support frame, a slide groove is provided on the back of the workbench, a limit screw is threadedly connected to the right side of the slide groove, a number of pulleys are fixedly connected to the bottom of the grinding table, and a threaded rod is fixedly connected to the left output end of the second motor through a coupling. The movement of the movable plate is achieved by setting the threaded rod, thereby achieving the effect of fixing the object.

[0012] Furthermore, two limit blocks 1 are fixedly connected to the left and right sides of the bottom of the movable plate, and a limit block 2 is arranged between the two limit blocks 1. The top of the limit block 2 is fixedly connected to the bottom of the movable plate, and the interior of the two limit blocks 2 is threadedly connected to the outer surface of the threaded rod. The outer surface of the two groups of limit blocks 1 are slidably connected to the slide groove at the top of the polishing table, and the bottom of the front of the polishing table is slidably connected to the inside of the slide groove. By setting the slide groove to achieve left and right movement of the fixed component, the polishing object can be polished more fully.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model sets an electric push rod 2, specifically starts the electric push rod 2, and the output end of the electric push rod 2 moves forward or backward to drive the support rod 4 to move. The groove inside the support rod 4 will cause the support rod 4 to flip. The support rod 1 drives the mobile base to move upward or downward through the movement of the support rod 4. There is no need to use various auxiliary tools, and it can meet the grinding work of parts of various sizes.

[0015] 2. The utility model sets a movable plate. Specifically, the object to be polished is first placed between the fixed plate and the movable plate, and then the second motor is started to drive the threaded rod to rotate through the coupling. When the threaded rod rotates, it drives the second limit block to move left or right, so that the polished object is tightly clamped. This can fix the polished object, eliminate the need for manual fixation by the staff, and effectively avoid injuries to the staff.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the lifting component of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the grinding component of the utility model;

[0021] Figure 4 This is a schematic diagram of the telescopic assembly structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the fixing assembly of the utility model;

[0023] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged structure of A in the middle;

[0024] Figure 7 This is a schematic diagram of the internal structure of the grinding component of the present invention.

[0025] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0026] 1. Workbench; 12. Lifting assembly; 121. L-shaped support rod 1; 122. Moving base; 123. Support rod 1; 124. Support rod 2; 125. Support rod 3; 126. L-shaped support rod 2; 13. Grinding assembly; 131. Motor 1; 132. Grinding disc; 133. Protective shell; 134. Support base; 135. Sliding rod; 136. Electric push rod 1; 14. Push-pull assembly; 141. Electric push rod 2; 142. Support rod 4; 143. Round rod; 144. Fixed block; 15. Fixed assembly; 151. Grinding table; 152. Fixed plate; 153. Moving plate; 154. Motor 2; 155. Support frame; 156. Limit screw; 157. Slide; 158. Pulley; 159. Threaded rod; 531. Limit block 1; 532. Limit block 2. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying 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 the embodiments. 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.

[0028] See also Figure 1-7 As shown, the utility model is a lever-type grinding head lifting device, including a workbench 1, a grinding assembly 13 is provided on the right side of the workbench 1, a lifting assembly 12 is provided below the grinding assembly 13, and the lifting assembly 12 includes a movable base 122. Two L-shaped support rods 121 are fixedly connected to the front of the workbench 1;

[0029] The outer surfaces of the two groups of L-shaped support rods 121 are both slidably connected to the left side of the inside of the mobile base 122. The bottom of the mobile base 122 is fixedly connected to a support rod 123. The left side of the support rod 123 is fixedly connected to a support rod 2 124. The outer surface of the L-shaped support rod 121 is slidably connected to the front and back sides of the inside of the support rod 2 124. The center of the bottom of the support rod 2 124 is fixedly connected to a support rod 3 125. The right side of the support rod 3 125 is rotatably connected to an L-shaped support rod 2 126 through a pin shaft. The L-shaped support rod 2 126 is away from the support rod. One end of rod three 125 is fixedly connected to a round rod 143, and an electric push rod 2 141 is fixedly connected to the top left side of the workbench 1. By setting the electric push rod 2 141, specifically starting the electric push rod 2 141, the output end of the electric push rod 2 141 moves forward or backward to drive the support rod 4 142 to move, and the groove inside the support rod 4 142 will cause the support rod 4 142 to flip over. The support rod 1 123 drives the mobile base 122 to move upward or downward through the movement of the support rod 4 142, so that objects of different heights can be polished.

[0030] The left end of the round rod 143 is fixedly connected to the support rod four 142, and a slot is provided inside the support rod four 142. Two fixed blocks 144 are fixedly connected to the front of the workbench 1. The interiors of the two fixed blocks 144 are rotatably connected to the outer surface of the round rod 143. The right output end of the electric push rod 2 141 is fixedly connected to the telescopic rod, and the right side of the telescopic rod is slidably connected to the slot through a pin shaft.

[0031] The grinding assembly 13 includes a motor 131, the output end of the back of the motor 131 is fixedly connected to the grinding plate 132 through a coupling, the back of the motor 131 is fixedly connected to the protective shell 133, and the bottom of the motor 131 is fixedly connected to the support base 134.

[0032] Two sliding rods 135 are slidably connected to the left and right sides of the bottom of the support base 134. The bottoms of the two sliding rods 135 are fixedly connected to the left and right sides of the top of the movable base 122. An electric push rod 136 is fixedly connected to the front of the top of the movable base 122. The output end on the back of the electric push rod 136 is fixedly connected to the front of the support base 134.

[0033] A fixing assembly 15 is provided on the back of the workbench 1, and the fixing assembly 15 includes a polishing table 151. A fixing plate 152 is fixedly connected to the right side of the top of the polishing table 151, and a movable plate 153 is provided on the top of the polishing table 151. A support frame 155 is fixedly connected to the top of the inner wall of the polishing table 151. By setting the movable plate 153, the object to be polished is first placed between the fixed plate 152 and the movable plate 153, and then the motor 2 154 is started to drive the threaded rod 159 to rotate through the coupling. When the threaded rod 159 rotates, it drives the limit block 2 532 to move left or right, so that the polished object is tightly clamped. This can fix the polished object, save the step of manual fixation by the staff, and effectively avoid injury to the staff.

[0034] Motor 2 154 is fixedly connected inside the support frame 155, a slide groove 157 is provided on the back of the workbench 1, and a limit screw 156 is threadedly connected to the right side of the slide groove 157. Several pulleys 158 are fixedly connected to the bottom of the grinding table 151, and the left output end of motor 2 154 is fixedly connected to a threaded rod 159 through a coupling.

[0035] Two limit blocks 531 are fixedly connected to the left and right sides of the bottom of the movable plate 153, and a limit block 2 532 is set between the two limit blocks 1 531. The top of the limit block 2 532 is fixedly connected to the bottom of the movable plate 153, and the interior of the two limit blocks 2 532 is threadedly connected to the outer surface of the threaded rod 159. The outer surfaces of the two groups of limit blocks 1 531 are slidably connected to the top slide of the grinding table 151, and the bottom of the front of the grinding table 151 is slidably connected to the inside of the slide 157. A push-pull component 14 is set in front of the workbench 1.

[0036] A specific application of this embodiment is as follows: when in use, the object to be polished is first placed between the fixed plate 152 and the movable plate 153, and then the motor 2 154 is started to drive the threaded rod 159 to rotate through the coupling. When the threaded rod 159 rotates, the limit of the two limit blocks 1 531 will drive the limit block 2 532 to move left or right, so that the polished object is tightly clamped, which can fix the polished object. Pushing the polishing table 151 can make the polishing table 151 move left or right under the limit of the slide groove 157, so that the polished object can be polished more comprehensively. The limit of the limit screw 156 can prevent the polishing table 151 from disengaging from the slide groove 157, starting the motor 131 to drive the polishing sheet 132 to rotate, the protective shell 133 can effectively prevent the polishing debris from flying around, and starting the electric push rod 136 can drive the support base 134 to move forward or backward. The movement of the support base 134 will Drive motor 131 to move together, thereby moving the grinding disc 132, so that the grinding object can be polished more comprehensively, start the electric push rod 2 141, and the output end of the electric push rod 2 141 moves forward or backward to drive the support rod 4 142 to move, and the groove inside the support rod 4 142 will cause the support rod 4 142 to flip over, and the movement of the support rod 4 142 will drive the round rod 143 to rotate inside the fixed block 144, and the rotation of the round rod 143 will drive the L-shaped support rod 2 126 to flip over, and the movement of the L-shaped support rod 2 126 will drive the support rod 3 125 to move upward or downward, and the movement of the support rod 3 125 will drive the support rod 2 124 to move upward or downward, and the movement of the support rod 2 124 will drive the support rod 1 123 to move upward or downward, and the movement of the support rod 1 123 will drive the movable base 122 to move upward or downward, so that objects of different heights can be polished.

[0037] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0038] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A lever-type grinding head lifting device, comprising a workbench (1), a grinding assembly (13) being provided on the right side of the workbench (1), a lifting assembly (12) being provided below the grinding assembly (13), the lifting assembly (12) comprising a movable base (122), two L-shaped support rods (121) being fixedly connected to the front side of the workbench (1), and characterized in that: The outer surfaces of the two groups of L-shaped support rods 1 (121) are both slidably connected to the left side of the interior of the mobile base (122); the bottom of the mobile base (122) is fixedly connected to support rod 1 (123); the left side of support rod 1 (123) is fixedly connected to support rod 2 (124); the outer surface of the L-shaped support rod 1 (121) is slidably connected to the front and back sides of the interior of support rod 2 (124); the center of the bottom of support rod 2 (124) is fixedly connected to support rod 3 (125); the right side of support rod 3 (125) is rotatably connected to L-shaped support rod 2 (126) through a pin shaft; the end of L-shaped support rod 2 (126) away from support rod 3 (125) is fixedly connected to a round rod (143); the top left side of the workbench (1) is fixedly connected to electric push rod 2 (141).

2. The lever-type grinding head lifting device according to claim 1, characterized in that: The left end of the round rod (143) is fixedly connected to the support rod four (142), and a notch is provided inside the support rod four (142). The front of the workbench (1) is fixedly connected to two fixed blocks (144), and the interiors of the two fixed blocks (144) are rotatably connected to the outer surface of the round rod (143). The right output end of the electric push rod two (141) is fixedly connected to a telescopic rod, and the right side of the interior of the telescopic rod is slidably connected to the notch through a pin shaft.

3. The lever-type grinding head lifting device according to claim 2, characterized in that: The grinding assembly (13) comprises a motor 1 (131), the output end at the back of the motor 1 (131) is fixedly connected to a grinding plate (132) via a coupling, the back of the motor 1 (131) is fixedly connected to a protective shell (133), and the bottom of the motor 1 (131) is fixedly connected to a support base (134).

4. The lever-type grinding head lifting device according to claim 3, characterized in that: The left and right sides of the bottom of the support base (134) are both slidably connected to two slide bars (135), the bottoms of the two slide bars (135) are fixedly connected to the left and right sides of the top of the movable base (122), the front of the top of the movable base (122) is fixedly connected to an electric push rod 1 (136), and the back output end of the electric push rod 1 (136) is fixedly connected to the front of the support base (134).

5. The lever-type grinding head lifting device according to claim 4, characterized in that: A fixing assembly (15) is provided on the back of the workbench (1), and the fixing assembly (15) includes a grinding table (151). A fixing plate (152) is fixedly connected to the right side of the top of the grinding table (151). A movable plate (153) is provided on the top of the grinding table (151). A support frame (155) is fixedly connected to the top of the inner wall of the grinding table (151).

6. The lever-type grinding head lifting device according to claim 5, characterized in that: The support frame (155) is fixedly connected to the motor 2 (154), the back of the workbench (1) is provided with a slide groove (157), the right side of the slide groove (157) is threadedly connected to a limit screw (156), the bottom of the grinding table (151) is fixedly connected to a plurality of pulleys (158), and the left output end of the motor 2 (154) is fixedly connected to a threaded rod (159) via a coupling.

7. The lever-type grinding head lifting device according to claim 5, characterized in that: The left and right sides of the bottom of the movable plate (153) are fixedly connected with two limit blocks (531), a limit block (532) is set between the two limit blocks (531), the top of the limit block (532) is fixedly connected to the bottom of the movable plate (153), the interior of the two limit blocks (532) is threadedly connected to the outer surface of the threaded rod (159), the outer surface of the two groups of limit blocks (531) are slidably connected to the top slide of the grinding table (151), the bottom of the front of the grinding table (151) is slidably connected to the inside of the slide (157), and a push-pull component (14) is set in front of the workbench (1).