Graphite expansion clamp
By introducing an adjustment mechanism and a limit structure into the graphite expansion clamp, the stability problem caused by insufficient clamping height is solved, the height adjustment and clamping stability are achieved, and the processing accuracy and heat dissipation performance are improved.
Patent Information
- Application Number
- CN202422807543.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-18
AI Technical Summary
The existing graphite expansion clamp has the problem of poor clamping stability when clamping materials with a high height, especially the low clamping position caused by its own insufficient height, which affects the processing accuracy and stability.
A graphite expansion clamp was designed. An adjustment mechanism, including a screw, a threaded block and a locking nut, was set between the long tapered shank and the connecting base to achieve height adjustment of the graphite elastic opening expansion clamp. The stability of the threaded block was improved by limiting grooves and limiting ring blocks, and heat dissipation holes were set to enhance the heat dissipation effect.
The height of the graphite elastic opening expansion clamp is adjustable, the clamping stability and processing accuracy are improved, and the use stability and heat dissipation performance in high temperature environments are enhanced.
Smart Images
Figure CN223441136U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of expansion clamp, especially relates to graphite expansion clamp. BACKGROUND
[0002] Expansion clamp is a kind of clamping device, mainly used for fixing and clamping workpiece, so as to carry out various machining operations, and the expansion clamp is through the internal or external expansion mechanism, and the workpiece is applied with clamping force, so as to be fixed on the working position, to meet the processing, detection or assembly process requirements, and graphite material has very high melting point and thermal stability, can work for a long time under high temperature environment without easy deformation or damage, this characteristic makes graphite elastic expansion clamp outstanding in high-temperature processing environment, can withstand the thermal stress brought by high temperature, maintains the stability and precision of clamp, and the thermal expansion coefficient of graphite material is low, which means that graphite clamp can maintain good dimensional stability when temperature changes. This characteristic is particularly important for the machining process that needs to accurately control the size, which can ensure the precision and stability of workpiece during machining.
[0003] In the prior art, graphite expansion clamp is usually composed of metal inclined top block, graphite elastic open expansion clamp and long taper handle, can realize the pushing and shoving of graphite elastic open expansion clamp by the movement of metal inclined top block, make it expand, realize the clamping and fixing of material, but most of the existing graphite elastic open expansion clamp does not have good and convenient lifting function when using because of the connection between itself and long taper handle, so when graphite elastic open expansion clamp needs to clamp the material with high height, the clamping position may be low due to insufficient height, so that the clamping stability of the material is not good enough. UTILITY MODEL CONTENTS
[0004] In view of the above problems, the utility model provides graphite expansion clamp, including long taper handle, the upper side of long taper handle is fixedly connected with connecting base, the upper side of connecting base is provided with graphite elastic open expansion clamp body, the inner side of graphite elastic open expansion clamp body is provided with metal inclined surface block, the upper side of long taper handle and connecting base is all set up with second screw groove, adjusting mechanism is set up between connecting base and graphite elastic open expansion clamp body;
[0005] The adjusting mechanism includes the screw rod that is fixedly connected on the upper side of connecting base, the lower side of graphite elastic open expansion clamp body is provided with fixed plate, the lower side of fixed plate is rotatably connected with screw block, the screw block is screw connected on the outer side of screw rod, the outer side of screw rod is screw connected with lock nut, and the lock nut is arranged on the lower side of screw block.
[0006] Further, the lower side of the fixed plate is fixedly connected with a limiting ring block, the upper side of the threaded block is provided with a limiting sliding groove, the limiting ring block is arranged on the inner side of the limiting sliding groove, and the threaded block is slidingly connected on the outer side of the limiting ring block.
[0007] Further, the lower side of the fixed plate and the graphite elastic open expanding clamp body are provided with a first threaded groove, and the inner side of the first threaded groove is provided with a fixed bolt.
[0008] Further, the upper side of the connecting base is fixedly connected with a reinforcing ring block, and the reinforcing ring block is fixedly connected on the outer side of the screw rod.
[0009] Further, the outer side of the graphite elastic open expanding clamp body is provided with a plurality of heat dissipation holes, and the heat dissipation holes are arranged in a circumferential array with the center of the graphite elastic open expanding clamp body as the center.
[0010] Further, the threaded block and the locking nut are hexagonal, and the lower side of the fixed plate is provided with an avoiding groove.
[0011] Further, the lower side of the fixed plate is fixedly connected with a limiting rod, and the upper side of the screw rod is provided with a limiting groove, and the limiting rod is slidingly connected on the inner side of the limiting groove.
[0012] The beneficial effects of the present application are as follows:
[0013] 1. When the threaded block rotates in the device, the threaded block can move up and down through the threaded connection between the threaded block and the screw rod, and the height of the graphite elastic open expanding clamp body and the metal inclined surface block can be adjusted through the connection between the threaded block and the fixed plate.
[0014] 2. The limiting sliding groove and the limiting ring block can limit the threaded block, so that the threaded block can be stable enough when rotating on the lower side of the fixed plate, and is not easy to shake or deviate.
[0015] Other features and advantages of the present application will be described in the following description, and some of them will become apparent from the description, or will be understood by those skilled in the art through implementation of the present application. The purpose and other advantages of the present application can be achieved and obtained through the structure indicated in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are 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.
[0017] Figure 1 Shows a structural main body diagram according to an embodiment of the present utility model;
[0018] Figure 2 Shows a schematic cross-sectional view of an embodiment of the present invention;
[0019] Figure 3 Shown according to the utility model Figure 1 Schematic diagram of the enlarged structure at A in the middle;
[0020] Figure 4 Shown according to the utility model Figure 2 Schematic diagram of the enlarged structure at B in the middle;
[0021] Figure 5 Shown according to the utility model Figure 4 Schematic diagram of the enlarged structure at point C in the middle.
[0022] In the figure: 1. Long tapered shank; 2. Connecting base; 3. Graphite elastic opening expansion clamp body; 4. Metal ramp block; 5. Adjustment mechanism; 51. Fixing plate; 52. Screw; 53. Threaded block; 54. Locking nut; 61. Limiting rod; 62. Limiting groove; 7. Reinforcement ring block; 81. First threaded groove; 82. Fixing bolt; 91. Limiting slide groove; 92. Limiting ring block; 10. Second threaded groove; 11. Avoidance groove; 12. Heat dissipation hole. DETAILED DESCRIPTION
[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments 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 shall fall within the scope of protection of the present invention.
[0024] The present invention provides a graphite expansion fixture, including a long tapered handle 1, exemplarily, as Figures 1-5 shown.
[0025] The upper side of the long taper handle 1 is fixedly connected with a connecting base 2, the upper side of the connecting base 2 is provided with a graphite elastic open-rising clamp body 3, the inner side of the graphite elastic open-rising clamp body 3 is provided with a metal inclined plane block 4, the upper sides of the long taper handle 1 and the connecting base 2 are both provided with second threaded grooves 10, and the connecting base 2 and the graphite elastic open-rising clamp body 3 are provided with an adjusting mechanism 5.
[0026] The adjusting mechanism 5 comprises a lead screw 52 fixedly connected to the upper side of the connecting base 2, the lower side of the graphite elastic open-rising clamp body 3 is provided with a fixed plate 51, the lower side of the fixed plate 51 is rotatably connected with a threaded block 53, the threaded block 53 is threadedly connected to the outer side of the lead screw 52, the outer side of the lead screw 52 is threadedly connected with a locking nut 54, and the locking nut 54 is arranged on the lower side of the threaded block 53.
[0027] The lower side of the fixed plate 51 is fixedly connected with a limiting ring block 92, the upper side of the threaded block 53 is provided with a limiting sliding groove 91, the limiting ring block 92 is arranged on the inner side of the limiting sliding groove 91, and the threaded block 53 is slidably connected to the outer side of the limiting ring block 92.
[0028] Specifically, when the metal inclined plane block 4 moves downward on the inner side of the graphite elastic open-rising clamp body 3, the graphite elastic open-rising clamp body 3 can be extruded, so that the graphite elastic open-rising clamp body 3 is expanded to clamp the material, meanwhile, the long taper handle 1 can be connected with the connecting base 2, and the long taper handle 1 can be connected with the machine body, the long taper handle 1, the connecting base 2, the graphite elastic open-rising clamp body 3 and the metal inclined plane block 4 are all prior art in the field, so they will not be described in detail here.
[0029] In addition, the graphite elastic open-rising clamp body 3 can be connected with the threaded block 53 through the fixed plate 51, and the threaded connection between the threaded block 53 and the lead screw 52 enables the threaded block 53 to move up and down through the threaded connection between the threaded block 53 and the lead screw 52 when the staff rotates the threaded block 53 by using a wrench or the like, and the height of the graphite elastic open-rising clamp body 3 and the metal inclined plane block 4 can be adjusted by using the connection between the threaded block 53 and the fixed plate 51, meanwhile, the locking nut 54 can lock and limit the threaded block 53 through the connection between the locking nut 54 and the lead screw 52, thereby increasing the stability of the threaded block 53 during use.
[0030] In addition, the limiting sliding groove 91 and the limiting ring block 92 can limit the threaded block 53, so that the threaded block 53 can be stable enough when rotating on the lower side of the fixed plate 51, and is not prone to shaking, deviation and the like, and the connection between the fixed plate 51 and the threaded block 53 can be stable enough.
[0031] The lower side of the fixed plate 51 and the graphite elastic open expanding clamp body 3 is provided with a first threaded groove 81, and the inner side of the first threaded groove 81 is provided with a fixed bolt 82, as shown in the figure. Figures 1-5
[0032] The upper side of the connecting base 2 is fixedly connected with a reinforcing ring block 7, and the reinforcing ring block 7 is fixedly connected to the outer side of the lead screw 52.
[0033] The outer side of the graphite elastic open expanding clamp body 3 is provided with a plurality of heat dissipation holes 12, and the plurality of heat dissipation holes 12 are arranged in a circular array with the center of the graphite elastic open expanding clamp body 3 as the center.
[0034] The threaded block 53 and the locking nut 54 are hexagonal, and the lower side of the fixed plate 51 is provided with an avoiding groove 11.
[0035] The lower side of the fixed plate 51 is fixedly connected with a limiting rod 61, the upper side of the lead screw 52 is provided with a limiting groove 62, and the limiting rod 61 is slidingly connected to the inner side of the limiting groove 62.
[0036] Specifically, the first threaded groove 81 and the fixed bolt 82 are arranged, so that the fixed plate 51 and the graphite elastic open expanding clamp body 3 can be conveniently connected, and the fixed plate 51 and the graphite elastic open expanding clamp body 3 can be smoothly and stably used, and the reinforcing ring block 7 can be connected between the connecting base 2 to reinforce the connection between the lead screw 52 and the connecting base 2, so that the lead screw 52 is also stable enough during use and is not prone to shaking and the like.
[0037] In addition, the heat dissipation holes 12 can increase the contact between the graphite elastic open expanding clamp body 3 and the air, reduce the heat of the graphite elastic open expanding clamp body 3 during use, and make the graphite elastic open expanding clamp body 3 have better heat dissipation effect during use, the hexagonal arrangement of the threaded block 53 and the locking nut 54 makes it more convenient for workers to rotate the threaded block 53 and the locking nut 54 by using a wrench or the like, and the avoiding groove 11 is arranged, so that when the workers press the metal inclined block 4 by using the expanding screw rod, the fixed plate 51 is not easy to hinder the use of the expanding screw rod, and the limiting rod 61 and the limiting groove 62 are arranged, so as to further limit the threaded block 53, thereby further improving the stability of the threaded block 53 during upward and downward movement.
[0038] The working principle of the graphite expanding clamp is as follows:
[0039] When the device is in use, if it is necessary to adjust the height of the graphite elastic open expanding clamp body 3 and the metal inclined block 4, the worker can rotate the threaded block 53 by using a wrench or the like, since the threaded block 53 and the lead screw 52 are in threaded connection, rotating the threaded block 53 will make it move up and down on the lead screw 52, the movement of the threaded block 53 will drive the fixed plate 51 and the graphite elastic open expanding clamp body 3 connected thereto to move together, so as to realize the adjustment of the height, after the adjustment is completed, the position of the threaded block 53 is locked by rotating the locking nut 54, so as to reduce the possibility of movement of the threaded block 53 in the use process, then the material to be clamped can be placed outside the graphite elastic open expanding clamp body 3, and the metal inclined block 4 is pressed down by using the threaded connection between the expanding screw rod and the second threaded groove 10, and the downward movement of the metal inclined block 4 will extrude the inner wall of the graphite elastic open expanding clamp body 3, since the elastic property of the graphite elastic open expanding clamp body 3, it will expand accordingly, so as to realize the clamping of the material.
[0040] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. A graphite expansion fixture comprising a long tapered shank (1), characterized in that: The upper side of the long tapered shank (1) is fixedly connected to a connecting base (2), a graphite elastic opening expansion clamp body (3) is provided on the upper side of the connecting base (2), a metal bevel block (4) is provided on the inner side of the graphite elastic opening expansion clamp body (3), a second thread groove (10) is provided on the upper side of the long tapered shank (1) and the connecting base (2), and an adjustment mechanism (5) is provided between the connecting base (2) and the graphite elastic opening expansion clamp body (3); The adjusting mechanism (5) includes a screw (52) fixedly connected to the upper side of the connecting base (2); a fixing plate (51) is provided on the lower side of the graphite elastic opening expansion clamp body (3); a threaded block (53) is rotatably connected to the lower side of the fixing plate (51); the threaded block (53) is threadedly connected to the outer side of the screw (52); the outer side of the screw (52) is threadedly connected to a locking nut (54), and the locking nut (54) is provided on the lower side of the threaded block (53).
2. The graphite expansion fixture according to claim 1, characterized in that: The lower side of the fixed plate (51) is fixedly connected to a limiting ring block (92), the upper side of the threaded block (53) is provided with a limiting sliding groove (91), the limiting ring block (92) is arranged on the inner side of the limiting sliding groove (91), and the threaded block (53) is slidably connected to the outer side of the limiting ring block (92).
3. The graphite expansion fixture according to claim 2, characterized in that: The fixing plate (51) and the lower side of the graphite elastic opening expansion clamp body (3) are both provided with a first thread groove (81), and a fixing bolt (82) is provided inside the first thread groove (81).
4. The graphite expansion fixture according to claim 3, characterized in that: A reinforcement ring block (7) is fixedly connected to the upper side of the connection base (2), and the reinforcement ring block (7) is fixedly connected to the outer side of the screw rod (52).
5. The graphite expansion fixture according to claim 4, characterized in that: A heat dissipation hole (12) is provided on the outer side of the graphite elastic opening expansion clamp body (3), and a plurality of the heat dissipation holes (12) are provided. The plurality of heat dissipation holes (12) are arranged in a circular array with the center of the graphite elastic opening expansion clamp body (3) as the center.
6. The graphite expansion fixture according to claim 3, characterized in that: The threaded block (53) and the locking nut (54) are both hexagonal in shape, and a relief groove (11) is provided on the lower side of the fixing plate (51).
7. The graphite expansion fixture according to claim 5, characterized in that: The lower side of the fixed plate (51) is fixedly connected to a limiting rod (61), the upper side of the screw rod (52) is provided with a limiting slot (62), and the limiting rod (61) is slidably connected to the inner side of the limiting slot (62).