Clamping and fixing mechanism for screw machining

Abstract

The utility model discloses a clamping and fixing mechanism for screw machining, relates to the technical field of screw machining, and solves the problems that when a screw is clamped, the diameter of a mounting hole in a fixing column is larger than the diameter of a threaded rod part of the screw, so that the side wall of the screw is extruded by a machining part during machining, and the screw cannot be clamped. The screw clamping device comprises a base, a placing seat, a clamping seat and a screw, the placing seat is fixedly mounted on the bottom surface of the base, the clamping seat is arranged above the placing seat, a placing groove is formed in the placing seat, the clamping seat is arranged in the placing groove, and the clamping seat is arranged in the placing groove. According to the screw machining device, through cooperation between the arranged clamping cover and the arranged placing base, the bottom of a screw is placed in the placing groove, the screw is clamped in the clamping groove through the placing groove, the screw rod part penetrates through the interior of the through hole to reach the position above the clamping cover, and the position of the screw can be prevented from deviating when the screw is machined.

Description

Technical Field

[0001] The utility model relates to the technical field of screw processing, in particular to a clamping and fixing mechanism for screw processing. Background Art

[0002] Screws are tools that use the physical and mathematical principles of the circular rotation of the inclined surface of an object and the friction force to gradually tighten objects and mechanical parts. After searching, the Chinese patent authorization number CN215880778U discloses a clamping and fixing mechanism for high-strength screw processing, which relates to the field of screw processing technology. In view of the problem that most existing screw clamping devices are fixed and cannot be conveniently shifted, thereby reducing the working efficiency of screw processing equipment, the following scheme is proposed, which includes a base, a column and a water tank, the top of the base is fixedly installed with a water tank, the top of the base is slidably installed with a column, the side wall of the column is fixedly installed with a fixed column, the side of the column away from the fixed column is fixedly installed with a water pump, the side of the column away from the water pump is fixedly installed with a mounting plate, the bottom end of the mounting plate is provided with a nozzle, and the inside of the fixed column is provided with a fixing mechanism. The utility model has a novel structure. The device not only achieves the effect of moving the screw body, but also achieves the purpose of cooling the screw body, and is suitable for promotion. However, when clamping the screw, the diameter of the mounting hole in the fixing column is larger than the diameter of the threaded rod of the screw, resulting in the squeezing force of the processing parts on the side wall of the screw during processing, which can easily cause the position of the screw to shift during processing, seriously causing the screw to fall off between the clamping devices, causing the screw to fall. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a clamping and fixing mechanism for screw processing, which solves the problem that when clamping the screw, the diameter of the mounting hole in the fixing column is larger than the diameter of the threaded rod of the screw, resulting in the squeezing force of the processing components on the side wall of the screw during processing, which can easily cause the position of the screw to shift during processing, seriously causing the screw to fall off between the clamping devices, causing the screw to fall.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a clamping and fixing mechanism for screw processing, including a base, a placement seat, a clamping seat and a screw, the placement seat is fixedly installed on the bottom surface of the base, the clamping seat is arranged above the placement seat, a placement groove is arranged inside the placement seat, a clamping groove is arranged inside the clamping seat, the clamping groove matches the size of the placement groove, a through hole is arranged inside the side wall of the clamping groove, the bottom of the screw is placed inside the placement groove, and the upper end screw rod part passes through the inside of the through hole.

[0005] Preferably, support plates are fixedly installed on both side walls of the clamping seat, and cylinders are symmetrically fixedly installed on the top surface of the base. The cylinders are respectively arranged on both sides of the placement seat, and the output shafts of the cylinders are fixedly connected to the bottom surface of the support plates, so that the position of the clamping seat can be conveniently moved up and down.

[0006] Preferably, extrusion columns are fixedly installed at equal intervals inside the side walls of the clamping groove, and the length of the extrusion columns is less than one centimeter, so as to enhance the clamping force.

[0007] Preferably, after the side walls of the placement seat and the clamping seat are fitted together, the distance between the placement groove and the clamping groove is smaller than the height of the bottom of the screw, thereby facilitating the clamping and tightening of the screw.

[0008] Preferably, the diameter of the through hole matches that of the screw rod, thereby preventing the screw from being displaced during processing.

[0009] The utility model provides a clamping and fixing mechanism for screw processing, which has the following beneficial effects:

[0010] 1. The clamping and fixing mechanism for screw processing, when using the clamping and fixing mechanism for screw processing, the bottom of the screw is placed inside the placement groove through the cooperation between the clamping cover and the placement seat, and the screw is clamped by the placement groove and the clamping groove, so that the screw part passes through the inside of the through hole to the top of the clamping cover, which can prevent the position of the screw from being offset during processing;

[0011] 2. This kind of clamping and fixing mechanism for screw processing, when in use, can strengthen the clamping force of the screw base and enhance the stability of the screw being clamped when the clamping cover and the placement seat clamp the screw through the provided extrusion column. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the clamping cover and the placement seat being separated according to the utility model;

[0014] Figure 3 This is a schematic diagram of the bottom structure of the clamping cover of the utility model;

[0015] Figure 4 This is a schematic diagram of the screw placement structure of the utility model.

[0016] In the figure, 1-base, 2-placing seat, 3-clamping cover, 4-support plate, 5-cylinder, 6-screw, 7-placing slot, 8-through hole, 9-clamping slot, 10-extrusion column. DETAILED DESCRIPTION

[0017] 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.

[0018] Example 1

[0019] See also Figure 1-4 The embodiment of the utility model provides a clamping and fixing mechanism for screw processing, including a base 1, a placement seat 2, a clamping seat 3 and a screw 6. The placement seat 2 is fixedly installed on the bottom surface of the base 1, and the clamping seat 3 is arranged above the placement seat 2. A placement groove 7 is arranged inside the placement seat 2, and a clamping groove 9 is arranged inside the clamping seat 3. The size of the clamping groove 9 matches that of the placement groove 7. A through hole 8 is arranged inside the side wall of the clamping groove 9. The bottom of the screw 6 is placed inside the placement groove 7, and the upper end screw rod part passes through the inside of the through hole 8. When the screw is clamped, the bottom of the screw is placed inside the placement groove 7. When the screw is clamped by using the clamping seat 3 and the placement seat 2, the screw rod part of the screw 6 passes through the through hole 8 to the top of the clamping seat 3.

[0020] Example 2

[0021] In this embodiment, Figure 1-4 As shown, support plates 4 are fixedly installed on both side walls of the clamping seat 3, and cylinders 5 are symmetrically fixedly installed on the top surface of the base 1. The cylinders 5 are respectively arranged on both sides of the placement seat 2, and the output shaft of the cylinder 5 is fixedly connected to the bottom surface of the support plate 4. When the screw 6 is placed, the cylinder 5 is opened so that the cylinder 5 presses the clamping seat 3 upward, so that the clamping seat 3 can move upward, and the distance between the clamping seat 3 and the placement seat 2 is greater than the length of the screw 6.

[0022] Example 3

[0023] In this embodiment, Figure 1-4 As shown, extrusion columns 10 are fixedly installed at equal intervals inside the side walls of the clamping groove 9, and the length of the extrusion columns 10 is less than one centimeter. When the clamping seat 3 and the placement seat 2 clamp the screw 6, the bottom of the extrusion column 10 is against the side wall of the bottom 3 of the screw 6 to strengthen the clamping force of the screw 6. After the side walls of the placement seat 2 and the clamping seat 3 are fitted together, the distance between the placement groove 7 and the clamping groove 9 is less than the height of the bottom of the screw 6, and the diameter of the through hole 8 matches the screw rod part of the screw 6.

[0024] It should be noted that in this embodiment, when using the clamping and fixing mechanism for screw processing, Figure 1-4 As shown, when placing the screw 6, open the cylinder 5 so that the cylinder 5 presses the clamping seat 3 upward, so that the clamping seat 3 can move upward, so that the distance between the clamping seat 3 and the placement seat 2 is greater than the length of the screw 6, and the bottom of the screw is placed inside the placement groove 7. When the screw is clamped by the clamping seat 3 and the placement seat 2, the screw rod of the screw 6 passes through the through hole 8 to the top of the clamping seat 3. When the clamping seat 3 and the placement seat 2 clamp the screw 6, the bottom of the extrusion column 10 is pressed against the side wall of the bottom 3 of the screw 6 to strengthen the clamping force of the screw 6.

[0025] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A clamping and fixing mechanism for screw processing, characterized in that: The invention comprises a base (1), a placement seat (2), a clamping seat (3) and a screw (6); the placement seat (2) is fixedly mounted on the bottom surface of the base (1); the clamping seat (3) is arranged above the placement seat (2); a placement groove (7) is arranged inside the placement seat (2); a clamping groove (9) is arranged inside the clamping seat (3); the size of the clamping groove (9) matches that of the placement groove (7); a through hole (8) is arranged inside the side wall of the clamping groove (9); the bottom of the screw (6) is placed inside the placement groove (7), and the upper end of the screw rod passes through the inside of the through hole (8).

2. A clamping and fixing mechanism for screw processing according to claim 1, characterized in that: Support plates (4) are fixedly mounted on both side walls of the clamping seat (3), and cylinders (5) are symmetrically fixedly mounted on the top surface of the base (1). The cylinders (5) are respectively arranged on both sides of the placement seat (2), and the output shafts of the cylinders (5) are fixedly connected to the bottom surface of the support plates (4).

3. A clamping and fixing mechanism for screw processing according to claim 1, characterized in that: Extrusion columns (10) are fixedly installed at equal intervals inside the side wall of the clamping groove (9), and the length of the extrusion columns (10) is less than one centimeter.

4. The clamping and fixing mechanism for screw processing according to claim 1, characterized in that: After the side walls of the placement seat (2) and the clamping seat (3) are attached to each other, the distance between the placement groove (7) and the clamping groove (9) is smaller than the height of the bottom of the screw (6).

5. The clamping and fixing mechanism for screw processing according to claim 1, characterized in that: The diameter of the through hole (8) matches that of the screw rod of the screw (6).

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