CN207256004U - Square blank fixture - Google Patents

Abstract

The utility model discloses a kind of square blank fixture, it is related to metal product processing technique field, including the support board for placing square billet, the support board is equipped with two limited blocks that adjacent both sides are correspondingly arranged with the square billet respectively, the square blank fixture further includes the side pushing block for being arranged on the another both sides of the square billet, the bottom of the side pushing block is rotatably installed on the support board, the side pushing block by vertically install linear reciprocation executive component driving and side pressure on the side wall of the square billet.The utility model square blank fixture solves the technical problem that square billet clamping efficiency is low in the prior art, the utility model square blank fixture fast and accurately can realize clamping to square billet, the fixture clamping stability is strong, it is easy to operate, it is of low cost, clamping efficiency is high, is applicable to the clamping needs of various sizes of square billet.

Description

Billet fixture

technical field

The utility model relates to the technical field of metal product processing, in particular to a clamp for clamping a billet.

Background technique

The processing of metal products requires multiple processes, such as machining in the previous process, and polishing, wire drawing, sandblasting and deburring in the post-process. In these processing procedures, metal products need to be effectively fixed, especially when the metal products are polished or wire-drawn, in order to ensure the processing quality, it is even more necessary to accurately position and effectively fix the metal products.

In the field of metal numerical control precision machining, the product with a general clamping position at the beginning of product processing is usually a regular square sheet, that is, a square billet. The complete fixation of the billet needs to limit the six sides of the sheet. The existing clamping fixture is To achieve a stable clamping effect, a more complex mechanism is usually used, and one fixture corresponds to one billet. This method is costly and cannot achieve a simple and efficient clamping effect.

Utility model content

In view of the above defects, the technical problem to be solved by the utility model is to provide a billet fixture, which can accurately and quickly realize the clamping and positioning of the billet, has high stability, and improves production efficiency.

For solving the problems of the technologies described above, the technical solution of the utility model is:

A billet fixture, including a support plate for placing a billet, and two limit blocks respectively arranged corresponding to the adjacent two sides of the billet on the support plate, and the billet clamp also It includes a side push block arranged on the other two sides of the billet, the bottom end of the side push block is rotatably mounted on the support plate, and the side push block is driven by a vertically installed linear reciprocating actuator to move sideways. Pressed against the side walls of the billet.

Wherein, the support plate is provided with a first installation hole, and a pull-down shaft is vertically installed in the first installation hole, and the bottom end of the pull-down shaft is installed on the linear reciprocating actuator, and the side push The side wall of the block is provided with a waist-shaped hole, and a first shaft pin parallel to the side of the square billet facing to it is connected with a gap in the waist-shaped hole, and the first shaft pin is rotatably connected to the pull-down shaft. superior.

Wherein, the side push block is vertically provided with a second installation hole communicating with the waist hole, and the top end of the pull-down shaft is located in the second installation hole.

Wherein, the bottom end of the side push block is rotatably installed with a second shaft pin parallel to the first shaft pin, and the two ends of the second shaft pin are respectively inserted into the opposite two sides of the first mounting hole. on the side wall.

Wherein, on the top surface of the support plate located on both sides of the first installation hole, there are two fixing holes for the two ends of the second shaft pin to be moved up and taken out, and the two fixing holes are threadedly connected with top wire.

Wherein, the side pushing blocks located on two opposite sides of the billet are arranged opposite to the limiting blocks.

Wherein, a mounting plate is provided under the supporting plate, the linear reciprocating actuator is installed between the supporting plate and the mounting plate, and a support is installed between the mounting plate and the supporting plate. Multiple pillars of both.

Wherein, two snap springs respectively pressing against the two side walls of the side pushing block are installed on the first shaft pin.

Wherein, the linear reciprocating actuator is an air cylinder, and the pull-down shaft is axially threaded on the piston rod of the air cylinder.

After adopting above-mentioned technical scheme, the beneficial effect of the utility model is:

Because a billet fixture of the utility model includes a supporting plate for placing the billet, two limit blocks respectively arranged correspondingly to the adjacent two sides of the billet are arranged on the supporting plate, and the billet fixture also includes a The side push block on the other two sides of the billet, the bottom end of the side push block is rotatably installed on the support plate, and the side push block is driven by a linear reciprocating actuator installed vertically to press on the side wall of the billet. After the block rotates to a certain angle, its top will be pressed against the side wall of the billet, thus providing a thrust in the horizontal direction and a pressure in the vertical direction for the billet, so as to realize the clamping of the billet and achieve accurate and fast clamping The purpose of improving the efficiency of billet clamping, the fixture is low in cost, easy to operate, and can be applied to the clamping needs of billets of different sizes.

Since the first shaft pin is arranged parallel to the second shaft pin, the second shaft pin is arranged parallel to the side wall facing the second shaft pin on the billet, thereby realizing the rotation of the side wall of the side push block facing the billet, ensuring The stability of the side push block to the blank is improved.

Since the top surface on both sides of the first installation hole on the backing plate is provided with two fixing holes for the two ends of the second shaft pin to be moved up and taken out, the top wire is screwed into the fixing holes to compress the second shaft pin to realize its fixing. , thus facilitating the installation of the second shaft pin.

Since the side push blocks and the limit blocks located on the opposite sides of the billet are set opposite to each other, the side push blocks and the limit blocks set in front of each other ensure the stability of the billet clamping and avoid the error caused by the size error of the billet. There is a gap and slight shaking after clamping.

In summary, the billet fixture of the utility model solves the technical problem of low efficiency of billet clamping in the prior art. The billet fixture of the utility model can quickly and accurately clamp the billet, and the fixture has strong clamping stability. The operation is simple, the cost is low, and the clamping efficiency is high, and it can be applied to the clamping needs of billets of different sizes.

Description of drawings

Fig. 1 is the structural disassembly schematic diagram of the utility model billet fixture;

Fig. 2 is an enlarged view of part A in Fig. 1;

Fig. 3 is a schematic diagram of a top view angle of the billet fixture of the utility model;

Fig. 4 is the sectional view of B-B direction in Fig. 3;

In the figure: 1-supporting plate, 10-limiting block, 11-first installation hole, 12-fixing hole, 2-side push block, 20-waist hole, 21-second installation hole, 22-first Shaft pin, 3-pull-down shaft, 30-first shaft pin, 31-circlip, 4-linear reciprocating actuator, 5-installation plate, 6-pillar, 7-jack wire, 8-billet.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, further set forth the utility model.

The orientations involved in this specification are all based on the normal working orientation of the billet fixture of the utility model, and are not limited to the orientations during storage and transportation, and only represent relative positional relationships, not absolute positional relationships.

As shown in Fig. 1 and Fig. 2 together, a billet fixture includes a supporting plate 1 for placing a billet 8, and the supporting plate 1 is provided with two correspondingly arranged adjacent sides of the billet 8 respectively. The limit block 10, the billet 8 fixture also includes a side push block 2 arranged on the other two sides of the billet 8, the bottom end of the side push block 2 is rotatably installed on the support plate 1, and the side push block 2 is installed vertically The linear reciprocating actuator 4 is driven and pressed against the side wall of the billet 8. The billet 8 is placed flat on the support plate 1, and the support plate 1 provides an upward support. The billet 8 has four side walls. The four side walls are fixed by two limit blocks 10 and two side push blocks 2, and the opposite side walls of the billet 8 are fixed by one limit block 10 and one side push block 2, that is, the side push block 2 Press the billet 8 against the limit block 10, and the side wall of the billet 8 after pressing against the side wall of the limit block 10 is attached to the side wall of the limit block 10, thereby ensuring that the direction along the side push block 2 toward the limit block 10 is A stable fixation, the limit block 10 is fixed on the support plate 1, and the side push block 2 is rotatably connected to the support plate 1, relying on the rotating position of the side push block 2 to realize the tight pressing on the billet 8, and the linear reciprocating execution The element 4 provides a driving force in the up and down direction for the side push block 2 to drive the rotation of the side push block 2. After the side push block 2 rotates to a certain angle, its top will be pressed against the side wall of the square billet 8, thereby providing The billet 8 provides a thrust in the horizontal direction and a pressure in the vertical direction, so as to realize the clamping of the billet 8, achieve the purpose of accurate and fast clamping, and improve the efficiency of the clamping of the billet 8. This fixture is low in cost and easy to operate , can be applied to the clamping requirements of billets 8 of different sizes, the linear reciprocating actuator 4 can be a cylinder, an electric cylinder, a hydraulic cylinder, and the linear reciprocating actuator 4 in this embodiment is an air cylinder,

As shown in Fig. 2 and Fig. 4 together, a first installation hole 11 is provided on the support plate 1, and a pull-down shaft 3 is vertically installed in the first installation hole 11, and the bottom end of the pull-down shaft 3 is installed on the linear reciprocating actuator 4 Above, the side wall of the side push block 2 is provided with a waist-shaped hole 20, and the first shaft pin 30 arranged parallel to the side of the opposite square billet 8 is connected with the gap in the waist-shaped hole 20, and the first shaft pin 30 is rotatably connected to the On the pull-down shaft 3, the side push block 2 is connected with the linear reciprocating actuator 4 through the pull-down shaft 3, and the side push block 2 is connected with the pull-down shaft 3 through the first shaft pin 30, which is inserted in the waist hole and connected with the There is a gap in the inner wall of the waist hole 20 to ensure that the first shaft pin 30 can move in the waist hole 20, thereby ensuring that the pull-down shaft 3 moving up and down can drive the side push block 2 to rotate, and the waist hole 20 is located at the side push block 2 In this embodiment, the pull-down shaft 3 is coaxially connected with the cylinder, and the cylinder drives the pull-down shaft 3 to move up and down.

As shown in Figure 2, the side push block 2 is vertically provided with a second installation hole 21 communicating with the waist hole 20, the top end of the pull-down shaft 3 is located in the second installation hole 21, and the second installation hole 21 is used to accommodate the pull-down shaft. The top part of the shaft 3 realizes the stable connection between the pull-down shaft 3 and the side push block 2. The second installation hole 21 is a through hole and is located on the two opposite side walls in the up and down direction of the side push block 2. The top of the pull-down shaft 3 is located at In the second installation hole 21 and as the first shaft pin 30 moves in the waist hole 20, it will act synchronously. The waist hole 20 in this embodiment is a through hole, and the second installation hole 21 will partition the waist hole 20 into Two parts, the two ends of the first shaft pin 30 are respectively installed in the waist-shaped holes 20 located on both sides of the second installation hole 21 .

As shown in Figure 3 and Figure 4, the bottom end of the push block is rotatably mounted with a second shaft pin 22 parallel to the first shaft pin 30, and the two ends of the second shaft pin 22 are respectively inserted into the first mounting hole 11 On the opposite side walls of the billet 8, since the first shaft pin 30 is arranged parallel to the second shaft pin 22, the second shaft pin 22 is arranged parallel to the side wall facing the second shaft pin 22 on the billet 8, thereby realizing side The side wall of the opposite blank 8 of the push block 2 rotates, which ensures the stability that the side push block 2 is fixed to the blank 8 .

As shown in Figure 1, two fixing holes 12 for moving up and taking out the two ends of the second shaft pin 22 are provided on the top surface of the supporting plate 1 on both sides of the first mounting hole 11, and the inside of the two fixing holes 12 are screwed together. There is a top wire 7, and a fixing hole 12 for taking and placing the second shaft pin 22 is provided between the hole for the second shaft pin 22 installed on both sides of the second mounting hole 21 and the top surface of the support plate 1, so as to facilitate the second shaft pin 22 to be placed. The installation of the two-axis pin 22, the opening part of the fixing hole 12 is the top surface of the supporting plate 1 facing the fixing hole 12 and the side wall connecting the fixing hole 12 and the top surface of the supporting plate 1, and the jacking wire 7 is threaded. Press the second shaft pin 22 in the fixing hole 12 to realize its fixing.

As shown in Figure 3, the side push block 2 and the limit block 10 located on the opposite sides of the billet 8 are arranged oppositely, and the side push block 2 and the limit block 10 arranged oppositely ensure the stability of the clamping of the billet 8 In other words, the thrust force applied by the side push block 2 to the billet 8 and the reaction force of the limit block 10 on the billet 8 are balanced forces on the same straight line, which ensures the firmness of the billet 8 clamping and avoids the Due to the dimensional error, there is a gap and a slight shake after clamping.

As shown in Figure 1, a mounting plate 5 is provided under the supporting plate 1, the linear reciprocating actuator 4 is installed between the supporting plate 1 and the mounting plate 5, and two supporting plates are installed between the mounting plate 5 and the supporting plate 1. The space between the mounting plate 5 and the supporting plate 1 is used for the installation of the linear reciprocating actuator 4. In this embodiment, the mounting plate 5 and the supporting plate 1 are supported and connected by four pillars 6. , The linear reciprocating actuator 4 is installed vertically on the mounting plate 5 .

As shown in Figure 2, two snap springs 31 respectively pressed against the side walls of the side push block 2 are installed on the first shaft pin 30, and both ends of the first shaft pin 30 are provided with draw-in grooves, and the snap springs 31 are snapped on In the slot, two snap springs 31 are positioned on both sides of the side push block 2 to prevent the first shaft pin 30 from being disengaged from the pull-down shaft 3 along the axial direction.

As shown in Figure 1, the linear reciprocating actuator 4 is a cylinder, and the pull-down shaft 3 is axially threaded on the piston rod of the cylinder. In this embodiment, the cylinder is preferred as the actuator, and other actuators that can achieve the same effect are also included in the utility model. within the scope of protection.

The utility model is not limited to the above-mentioned specific implementation manners, and various transformations made by those skilled in the art starting from the above-mentioned ideas without creative work all fall within the protection scope of the utility model.

Claims (9)

1. A billet clamp, characterized in that: it comprises a backing plate, the said backing plate is provided with two limit blocks corresponding to the adjacent two sides of the billet respectively, and the billet clamp also includes a set The side push block on the other two sides of the billet, the bottom end of the side push block is rotatably installed on the support plate, and the side push block is driven by a vertically installed linear reciprocating actuator and pressed sideways on the side wall of the billet. 2. A billet fixture as claimed in claim 1, characterized in that: the support plate is provided with a first mounting hole, and a pull-down shaft is vertically installed in the first mounting hole, and the pull-down shaft The bottom end of the linear reciprocating actuator is installed on the linear reciprocating actuator, and the side wall of the side push block is provided with a waist-shaped hole, and the gap in the waist-shaped hole is connected with the second parallel to the side of the opposite square billet. A shaft pin, the first shaft pin is rotatably connected to the pull-down shaft. 3. A billet fixture according to claim 2, characterized in that: the side push block is vertically provided with a second installation hole communicating with the waist hole, and the top end of the pull-down shaft is located at the inside the second mounting hole. 4. A billet fixture according to claim 2, characterized in that: the bottom end of the side push block is rotatably mounted with a second pivot pin parallel to the first pivot pin, and the second pivot pin Two ends of the pin are respectively inserted on opposite side walls of the first installation hole. 5. A billet fixture according to claim 4, characterized in that: the top surface of the support plate located on both sides of the first installation hole is provided with two ends of the second shaft pin The removed two fixing holes are all threaded with top wires in the two fixing holes. 6 . The billet fixture according to claim 1 , wherein the side pushing blocks located on opposite sides of the billet are arranged opposite to the limiting blocks. 7 . 7. A billet fixture according to any one of claims 1 to 6, characterized in that: a mounting plate is provided under the supporting plate, and the linear reciprocating actuator is installed on the supporting plate Between the installation board and the support board, a plurality of pillars are installed between the installation board and the supporting board. 8. A billet fixture as claimed in claim 2, characterized in that: the first shaft pin is equipped with two snap springs respectively pressed against the two side walls of the side pushing block. 9. A billet clamp according to claim 2, characterized in that: the linear reciprocating actuator is an air cylinder, and the pull-down shaft is axially threaded on the piston rod of the air cylinder.