Height grinding clamp
By designing a grinding height fixture for the top rod, using the structure of the screw through the structure of the floating board, the substrate and the threading plate, the top rod is fixed to solve the low height polishing efficiency and large error of the top rod in the existing technology. The problem has improved the rate of good products.
Patent Information
- Application Number
- CN202421120897.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-22
AI Technical Summary
In the prior art, the grinding efficiency of the height of the top rod is low and the height error is large, resulting in a low yield rate.
Design a grinding height fixture. Through the screw through the floating pressure plate, the substrate and the thread pressure plate, the top pole is fixed to facilitate high polishing.
The clamping of the top rod is achieved, the polishing efficiency is improved, the high error is reduced, and the rate of good product is improved.
Smart Images
Figure CN222405128U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of equipment processing; specifically, the utility model relates to a grinding height clamp. Background Art
[0002] The ejector rod is divided into an upper ejector rod at the upper end and a lower ejector rod at the lower end. The cross sections of the upper ejector rod and the lower ejector rod are both circular, and the diameter of the upper ejector rod is greater than the diameter of the lower ejector rod.
[0003] At present, the height of the ejector pin is manually polished by on-site operators using a handheld grinder, which is inefficient and has a large height error, resulting in a low yield rate. Utility Model Content
[0004] The purpose of the utility model is to provide a grinding height fixture, which can solve or at least alleviate one or more of the above-mentioned problems and other problems existing in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a grinding height clamp for clamping a plurality of ejector rods, wherein the ejector rods are divided into an upper ejector rod at an upper end and a lower ejector rod at a lower end, wherein the diameter of the upper ejector rod is greater than the diameter of the lower ejector rod, wherein the grinding height clamp comprises:
[0006] A bottom plate, wherein the bottom plate is provided with a plurality of first through holes along the center line thereof, and the bottom plate is provided with a plurality of limit holes symmetrically along both sides of the center line thereof, wherein the limit holes are elliptical in shape, and the lower push rod is inserted into the limit holes;
[0007] A base body, the base body is in an I-shape, a screw passes through the first through hole and is connected to the lower end of the base body, and the base body is fixed to the bottom plate, and first V-shaped grooves are formed on both sides of the base body corresponding to the limiting holes;
[0008] A pressure plate group, the pressure plate group includes a floating pressure plate and a threaded pressure plate, the floating pressure plate is provided with a second through hole, the base is provided with a third through hole, the floating pressure plate and the threaded pressure plate are both provided with two second V-shaped grooves, the depth of the second V-shaped groove is less than the depth of the first V-shaped groove, the threaded pressure plate is provided with a threaded hole, the screw rod passes through the second through hole, the third through hole and the threaded hole in sequence, and the push rod is clamped between the floating pressure plate and the base, and between the base and the threaded pressure plate.
[0009] In the aforementioned grinding height fixture, optionally, the first through hole is a countersunk hole.
[0010] In the grinding height fixture as described above, optionally, a pad is provided at the bottom of the base.
[0011] In the grinding height fixture as described above, optionally, a first spring and a second spring are sleeved on the screw rod, the first spring is located between the floating pressure plate and the base, and the second spring is located between the base and the threaded pressure plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] According to the height grinding fixture of the utility model, the screw rod passes through the second through hole on the floating pressure plate, the third through hole on the base and the threaded hole on the threaded pressure plate in sequence, and the push rod is clamped between the floating pressure plate and the base, and between the base and the threaded pressure plate, so as to clamp and fix the push rod, which is convenient for height grinding of the push rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the grinding height fixture of the utility model;
[0015] Figure 2 It is a top view of the grinding height fixture of the utility model;
[0016] Figure 3 It is an exploded view of the grinding height fixture of the utility model.
[0017] In the figure: 1. push rod; 2. bottom plate; 3. base; 4. limiting hole; 5. floating pressure plate; 6. threaded pressure plate; 7. screw; 8. cushion block; 9. first spring; 10. second spring. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. The terms "first", "second" and similar words used in the description of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components, and therefore cannot be understood as limitations on the present invention.
[0020] Furthermore, it should be understood that for the sake of ease of description, the sizes of the various components shown in the drawings are not drawn according to actual proportions. For example, the thickness or width of certain layers may be exaggerated relative to other layers.
[0021] It should be noted that like reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not require further detailed discussion and description in the description of the subsequent drawings.
[0022] The grinding height clamp of the utility model is used to clamp a plurality of push rods 1, wherein the push rods 1 are divided into an upper push rod at the upper end and a lower push rod at the lower end, and the diameter of the upper push rod is larger than the diameter of the lower push rod. Figure 1-3 The bottom plate 2, the base body 3 and the pressure plate group are shown in FIG.
[0023] like Figure 1-3 As shown, the bottom plate 2 is provided with a plurality of first through holes along its center line, and the bottom plate 2 is provided with a plurality of limit holes 4 symmetrically along both sides of its center line, the limit holes 4 are elliptical, and the lower push rod is inserted into the limit holes 4, and the lower push rod can move in a small range in the limit holes 4. The base 3 is in an I-shaped shape, and the screw passes through the first through hole to connect with the lower end of the base 3 and fixes the base 3 on the bottom plate 2, and the two sides of the base 3 are provided with first V-shaped grooves corresponding to the limit holes 4. The pressure plate group includes a floating pressure plate 5 and a threaded pressure plate 6, the floating pressure plate 5 is provided with a second through hole, the base 3 is provided with a third through hole, and both the floating pressure plate 5 and the threaded pressure plate 6 are provided with two second V-shaped grooves, the depth of the second V-shaped groove is less than the depth of the first V-shaped groove, the threaded pressure plate 6 is provided with a threaded hole, and the screw 7 passes through the second through hole, the third through hole and the threaded hole in sequence, and the push rod 1 is clamped between the floating pressure plate 5 and the base 3, and between the base 3 and the threaded pressure plate 6.
[0024] During specific use, the base 3 is fixed to the bottom plate 2 in advance, the push rod 1 to be processed is inserted into the limiting hole 4 of the bottom plate 2, the floating pressure plate 5 and the threaded pressure plate 6 are placed on the side of the push rod 1, and the screw 7 passes through the second through hole on the floating pressure plate 5, the third through hole on the base 3 and the threaded hole on the threaded pressure plate 6 in sequence, and the push rod 1 is clamped between the floating pressure plate 5 and the base 3, and between the base 3 and the threaded pressure plate 6, so as to clamp and fix the push rod 1, which is convenient for high-level grinding of the push rod 1.
[0025] Specifically, the push rod 1 is clamped between the second V-groove of the floating pressure plate 5 and the first V-groove of the base 3, and between the first V-groove of the base 3 and the second V-groove of the threaded pressure plate 6, and is precisely positioned by the V-groove to prevent the push rod 1 from deflecting during clamping.
[0026] Furthermore, the first through hole is a countersunk hole to hide the screws and avoid a protrusion at the bottom of the base plate 2.
[0027] Furthermore, a cushion block 8 is provided at the bottom of the base 3 , and there is a gap between the cushion block 8 and the lower end of the ejector rod 1 , and this gap facilitates the discharge of waste chips.
[0028] Furthermore, a first spring 9 and a second spring 10 are sleeved on the screw rod 7 . The first spring 9 is located between the floating pressure plate 5 and the base 3 , and the second spring 10 is located between the base 3 and the threaded pressure plate 6 .
[0029] Specifically, when the screw 7 passes through the second through hole on the floating platen 5, the third through hole on the base 3, and the threaded hole on the threaded platen 6, and compresses the distance between the floating platen 5 and the base 3, and between the base 3 and the threaded platen 6, the first spring 9 and the second spring 10 are deformed, shortened, and the pressure inside the spring is increased. After the processing of the ejector pin 1 is completed, the screw 7 is loosened, and the internal pressure is released by the spring, pushing the floating platen 5 and the threaded platen 6 away from the ejector pin 1, so as to facilitate the removal of the ejector pin 1.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A grinding height clamp for clamping a plurality of push rods (1), wherein the push rods (1) are divided into an upper push rod at an upper end and a lower push rod at a lower end, wherein the diameter of the upper push rod is greater than the diameter of the lower push rod, and wherein: The grinding height fixture comprises: A bottom plate (2), the bottom plate (2) being provided with a plurality of first through holes along its center line, the bottom plate (2) being provided with a plurality of limit holes (4) symmetrically along both sides of its center line, the limit holes (4) being elliptical, the lower push rod being inserted into the limit holes (4); A base (3), the base (3) is in an I-shape, a screw passes through the first through hole and is connected to the lower end of the base (3), and the base (3) is fixed on the bottom plate (2), and first V-shaped grooves are formed on both sides of the base (3) corresponding to the limiting holes (4); A pressure plate group, the pressure plate group comprises a floating pressure plate (5) and a threaded pressure plate (6), the floating pressure plate (5) is provided with a second through hole, the base (3) is provided with a third through hole, the floating pressure plate (5) and the threaded pressure plate (6) are both provided with two second V-shaped grooves, the depth of the second V-shaped grooves is less than the depth of the first V-shaped grooves, the threaded pressure plate (6) is provided with a threaded hole, the screw rod (7) passes through the second through hole, the third through hole and the threaded hole in sequence, and the push rod (1) is clamped between the floating pressure plate (5) and the base (3), and between the base (3) and the threaded pressure plate (6).
2. The grinding height fixture according to claim 1, characterized in that: The first through hole is a countersunk hole.
3. The grinding height fixture according to claim 1, characterized in that: A cushion block (8) is provided at the bottom of the base (3).
4. The grinding height fixture according to claim 1, characterized in that: The screw rod (7) is sleeved with a first spring (9) and a second spring (10); the first spring (9) is located between the floating pressure plate (5) and the base (3); and the second spring (10) is located between the base (3) and the threaded pressure plate (6).