Support plate fixtures and machine tools

Abstract

The present invention discloses a support plate fixture and a machine tool, the support plate fixture comprises a bracket; a positioning plate, which is arranged on the bracket and provided with a positioning pin; a stop bar rotatably connected to the bracket, the stop bar being used to press the support plate away from the end face of the positioning plate; a bent plate, one end of which is fixedly connected to the bracket and the other end of which extends in a direction away from the bracket; a spreading assembly, comprising a spreading block and two movable plates, the spreading block being passed through the bent plate, the movable plate being arranged on the bent plate, the movable plate being provided with a first groove, the first groove being matched with a hole to be processed in the support plate, the spreading block being arranged between the two movable plates and abutting against the two movable plates to spread the movable plates apart. The support plate is pressed between the stop bar and the positioning plate, the two movable plates are spread apart and pressed against the support plate by the spreading block to fix the support plate for drilling processing, and the support plate is completely fixed on the fixture through positioning, pressing and spreading and tightening, thereby achieving an accurate positioning effect, ensuring processing accuracy, and improving drilling efficiency.

Description

Technical Field

[0001] The present invention relates to the field of mechanical processing, in particular to a support plate fixture and a machine tool. Background Art

[0002] During machining, fixtures are commonly used to clamp workpieces, securing them in a fixed position for machining. They are commonly used as auxiliary tools during machine tool operation. Support plates, an automotive component, are difficult to position and clamp, often affecting drilling accuracy and efficiency. Support plate fixtures are often used to secure support plates for drilling. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a support plate clamp that can clamp the support plate to keep it stable during drilling and ensure drilling accuracy.

[0004] The present invention also provides a machine tool having the support plate fixture.

[0005] According to the first aspect of the present invention, the support plate clamp includes a bracket; a positioning plate, which is provided on the bracket, and the positioning plate is provided with a positioning pin; a baffle rotatably connected to the bracket, and the baffle is used to press the support plate away from the end face of the positioning plate; a bent plate, one end of which is fixedly connected to the bracket and the other end extends in a direction away from the bracket; a support assembly includes a support block and two movable plates, the support block is passed through the bent plate, the movable plate is provided on the bent plate, the movable plate has a first groove, the first groove matches the hole to be processed in the support plate, the support block is provided between the two movable plates and abuts against the two movable plates to support the movable plates.

[0006] The support plate clamp according to the embodiment of the present invention has at least the following beneficial effects: the baffle on the bracket is opened, the support plate is matched with the positioning plate to be clamped on the bracket, the baffle rotates inward to press the support plate, and the support plate is pressed between the baffle and the positioning plate to limit its movement in the up and down and front and back directions, the positioning pin cooperates with the support plate to limit the movement of the support plate in the left and right directions, the end of the support plate that needs to be drilled is covered with two movable plates, and the two movable plates are stretched open by the stretching block to tighten the support plate to fix the support plate for drilling processing. Through positioning, pressing and stretching and tightening, the support plate is completely fixed on the clamp, thereby achieving the effect of accurate positioning, ensuring processing accuracy, and improving drilling efficiency.

[0007] According to some embodiments of the present invention, the support block is provided with a first inclined surface, the movable plate is provided with a second inclined surface abutting against the first inclined surface, and the movable plate is provided with a reset assembly.

[0008] According to some embodiments of the present invention, the reset assembly includes a fixing pin, a stop pin and a first spring, the support plate clamp also includes a clamping slide connected to the bent plate, the movable plate is provided with a second groove, the stop pin is provided on the clamping slide and extends toward the second groove, one end of the fixing pin abuts against the wall of the second groove close to the support block, and the other end is connected to the stop pin through the first spring.

[0009] According to some embodiments of the present invention, the support plate clamp also includes a thrust plate, the support assembly includes a first screw, the end of the bent plate away from the movable plate is connected to the thrust plate, and the first screw is connected to the end of the support block and passes through the thrust plate.

[0010] According to some embodiments of the present invention, the support plate clamp also includes a guide rod, the bracket is provided with a first through hole, the guide rod is passed through the first through hole and extends in a direction away from the bracket, the baffle is sleeved on the guide rod and is slidably connected to the guide rod, and a second spring sleeved on the guide rod is provided between the baffle and the bracket.

[0011] According to some embodiments of the present invention, the baffle is provided with a block, which is arranged at the front end surface of the baffle to press the support plate between the positioning plate and the block, and the end surface of the block away from the axial direction of the guide rod is a plane.

[0012] According to some embodiments of the present invention, two baffles are provided, two guide rods and two second springs are provided respectively, the two second springs are respectively sleeved on the guide rails, and the two baffles are respectively provided on both sides of the height direction of the bracket.

[0013] According to some embodiments of the present invention, the two blocking bars are respectively provided on the upper and lower sides of the positioning plate, the blocking block is provided on the front side of the positioning plate, and the movable plate is vertically spaced apart.

[0014] According to some embodiments of the present invention, a limiting surface is provided on the front end surface of the positioning pin.

[0015] The machine tool according to the second embodiment of the present invention includes the support plate fixture according to the first embodiment of the present invention.

[0016] The machine tool according to the embodiment of the present invention has at least the following beneficial effects: by adopting the above-mentioned support plate clamp, the support plate is clamped on the machine tool, thereby improving the stability of the drilling process, ensuring the drilling accuracy, and improving the working efficiency of the machine tool.

[0017] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0019] Figure 1 is a cross-sectional view of a support plate clamp according to an embodiment of the present invention;

[0020] Figure 2 for Figure 1 A schematic diagram of the enlarged structure shown;

[0021] Figure 3 is a side sectional view of a support plate clamp according to an embodiment of the present invention;

[0022] Figure 4 A top cross-sectional view of a support plate fixture according to an embodiment of the present invention

[0023] Figure 5 2. It is a cross-sectional view of a movable plate of a support plate clamp according to an embodiment of the present invention.

[0024] Reference numerals:

[0025] Support plate 100;

[0026] Bracket 200; first through hole 210;

[0027] Positioning plate 300; second through hole 310; positioning pin 311; limiting surface 3111;

[0028] Baffle 400; Baffle 410;

[0029] Bend plate 500;

[0030] Spreading assembly 600; spreading block 610; first inclined surface 611; movable plate 620; second inclined surface 621; first groove 622; second groove 623; reset assembly 630; fixing pin 631; stop pin 632; first spring 633; ​​first screw 640; clamping slide 650; third groove 651; second pressure plate 660;

[0031] Thrust plate 700; thrust groove 710;

[0032] Guide rod 800; second spring 810;

[0033] Base 900;

[0034] Sleeve 1000;

[0035] Dustproof plate 1100;

[0036] First pressing plate 1200 . DETAILED DESCRIPTION

[0037] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0038] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0039] In the description of the present invention, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0040] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0041] During machining, fixtures are commonly used to clamp workpieces, securing them in a fixed position for machining. They are commonly used as auxiliary tools during machine tool operation. Support plates, an automotive component, are difficult to position and clamp, often affecting drilling accuracy and efficiency. Support plate fixtures are often used to secure support plates for drilling.

[0042] Reference Figure 1The support plate clamp of the embodiment of the present invention includes a bracket 200, which is fixedly connected to the positioning plate 300. The bracket 200 is provided with two blocking bars 400. The two blocking bars 400 are arranged on the upper and lower sides of the positioning plate 300 and extend out of the bracket 200. The positioning plate 300 is provided with a through hole, which is a stepped hole. The stepped surface of the stepped hole is used to fix the positioning pin 311 with a screw. One end of the positioning pin 311 extends out of the front end surface of the positioning plate 300 and cooperates with the support plate 100 to limit the movement of the support plate 100 in the left and right directions. The support plate 100 is pressed between the blocking bar 400 and the positioning plate 300; the bracket 200 is fixedly connected to the bent plate 500, and the bent plate 500 has two mutually perpendicular surfaces, one end of which is connected to the bracket 200. The other end is connected to the support assembly 600 to support and position the end of the support plate 100 that needs to be drilled; the support assembly 600 includes a support block 610 and two movable plates 620, the movable plate 620 is provided with a first groove 622, the first groove 622 is a U-shaped groove to prevent the machine tool from drilling the support plate 100, one end of the support block 610 is passed through the bent plate 500, and the other end is clamped up and down by the two movable plates 620. The support block 610 moves to the left to respectively support the two movable plates 620 upward and downward to tighten and position the support plate 100, and the support plate 100 is thus completely fixed on the bracket 200 to complete the drilling processing, the clamping is stable, the vibration amplitude during processing is small, the drilling accuracy is high, and the processing efficiency of the machine tool is improved.

[0043] It should be noted that this embodiment does not impose any specific restrictions on the number of baffles 400 connected to the bracket 200. Only one baffle 400 can be set, specifically on the upper or lower side of the positioning plate 300; or baffles 400 can be set on both the upper and lower sides of the positioning plate 300, and the specific number of baffles 400 on each side is not limited, as long as the upper and lower parts of the support plate 100 can be clamped.

[0044] Specifically, refer to Figure 1 and Figure 5 The opposite end surfaces of the two movable plates 620 are at least partially formed into second inclined surfaces 621. The upper and lower end surfaces of the support block 610 are respectively provided with first inclined surfaces 611 to cooperate with the movable plate 620. The support block 610 has a groove to avoid drilling processing. If the support plate 100 needs to be processed, the support block 610 is moved to the left. As the first inclined surface 611 and the second inclined surface 621 abut and slide, the distance between the two movable plates 620 becomes farther and farther, and the movable plate 620 is stretched until the movable plate 620 holds the support plate 100 tightly; the movable plate 620 is provided with a second groove 623 for installing the reset assembly 630. If the support plate 100 needs to be removed, the support block 610 is pulled out to the right, and the reset assembly 630 can make the two movable plates 620 close to each other, and the support plate 100 with the drilling completed can be easily removed, thereby improving the clamping and taking-up speed of the support plate fixture and improving the efficiency of drilling processing.

[0045] Reference Figure 2 In some embodiments of the present invention, the reset assembly 630 consists of a fixing pin 631, a stop pin 632 and a first spring 633. The clamping slide 650 is provided with a mounting hole, the opening of the mounting hole is connected to the second groove 623, one end of the stop pin 632 is provided in the mounting hole, and the other end extends toward the second groove 623. The stop pin 632 is formed into a stepped shape along its axial direction, and the protruding step surface abuts the left end face of the clamping slide 650, so that the stop pin 632 is fixed in the second groove 623. The first spring 633 is provided between the stop pin 632 and the fixing pin 631. The fixing pin 631 can be squeezed by the side wall of the second groove 623 close to the support block 610, thereby sliding up and down in the second groove 623. When the support plate clamp clamps the support plate 100, the lower end of the fixing pin 631 is squeezed by the side wall of the second groove 623, and the accommodating space of the first spring 633 between the fixing pin 631 and the stop pin 632 continues to shrink, and the first spring 633 is compressed; when the support block 610 is moved out and the support plate 100 is taken out, the first spring 633 is reset, and the two movable plates 620 are pushed away from the support plate 100 and closer to each other through the fixing pin 631, so that the support plate 100 is easy to clamp and take out, thereby improving the accuracy of drilling processing.

[0046] In some embodiments of the present invention, the right end face of the bent plate 500 is connected to the thrust plate 700, and the first screw 640 passes through the thrust plate 700 to connect to the expansion block 610. The left end face of the thrust plate 700 defines a thrust groove 710. When the first screw 640 drives the expansion block 610 to move rightward, the bottom wall of the thrust groove 710 can restrict the expansion block 610 from further rightward movement, thereby ensuring the rationality of the support plate clamp structure and saving clamping time during repeated clamping. Specifically, a pin is provided on the end of the first screw 640 away from the thrust plate 700. The first screw 640 is threadedly connected to the thrust plate 700. The left end of the first screw 640 is spherical and installed in the expansion block 610. The pin rotates the first screw 640 to push the expansion block 610 in or out.

[0047] Specifically, the upper end surface of the bent plate 500 is connected to the dustproof plate 1100, and the dustproof plate 1100 extends from the upper end surface of the bent plate 500 to the upper end surface of the movable plate 620, preventing dust from entering the expansion assembly 600 and affecting the expansion and tightening of the support plate clamp, thereby extending the service life of the clamp.

[0048] Reference Figure 3In some embodiments of the present invention, the bracket 200 is provided with a guide rod 800 by opening a first through hole 210. The guide rod 800 is used to install the baffle 400. A second spring 810 is further installed between the baffle 400 and the bracket 200. The second spring 810 is sleeved on the guide rail 800. The end of the guide rod 800 away from the bracket 200 is connected to a hexagonal nut. The baffle 400 can adjust its relative position on the guide rod 800 through the hexagonal nut. The baffle 400 slides backward, and the rear end surface of the baffle 400 compresses the second spring 810. After the baffle 400 presses the support plate 100, the hexagonal nut is tightened, and the support plate 100 is fixed to the bracket 200. After the drilling process is completed, the hexagonal nut is screwed to move it forward, the baffle 400 moves away from the support plate 100, the second spring 810 is reset, and the support plate 100 is removed. The second spring 810 is installed between the stop bar 400 and the bracket 200 to increase the adjustability of the support plate fixture, and the support plate 100 is fixed on the fixture to facilitate drilling. Figure 3 In the illustrated embodiment, the support plate clamp includes a first pressure plate 1200, which is arranged behind the bracket 200. The guide rod 800 is fixedly connected to the first pressure plate 1200 through a hinge pin and a cotter pin. The baffle 400 is installed in the sleeve 1000, which is fixedly connected to the bracket 200. The baffle 400 slides along the guide rod 800 in the sleeve 1000.

[0049] Specifically, the stop bar 400 is provided with a stop block 410, which is arranged at the front end of the stop bar 400 and extends out of the circumference of the stop bar 400. The end of the stop bar 400 away from the guide rod 800 is a plane, which is clamped with a plane of the support plate 100. The stop block 410 can rotate on the guide rod 800 along with the stop bar 400. The stop block 410 can be rotated to the end away from the center of the bracket 200 to facilitate the support plate 100 to cooperate with the positioning plate 300 to be placed in the fixture. When it is rotated to the point where the plane of the stop block 410 is parallel to the plane of the support plate 100, the stop bar 400 is pushed backward, and the plane of the stop block 410 completely presses the plane of the support plate 100. During the processing, the stop block 410 remains in contact with the plane of the support plate 100, and the clamping is stable, which improves the clamping speed of the support plate 100 and the efficiency of the drilling processing.

[0050] Specifically, guide rods 800 are respectively installed at the upper and lower ends of the bracket 200 to connect the baffle 400, and the positioning plate 300 is fixedly connected in the middle. The support plate clamp includes two guide rods 800, two second springs 810, sleeves 1000, two baffles 400 and two blocks 410. The guide rods 800, the second spring 810, the sleeves 1000, the baffle 400 and the block 410 are symmetrical about the axis of the positioning pin 311, so that the baffle 400 can clamp the support plate 100 from the top and bottom. The support plate 100 is fixed between the block 410 and the positioning plate 300.

[0051] Reference Figure 4The bracket 200 is installed on the base 900, the base 900 is fixedly connected to the machine tool, one end of the bracket 200 is connected to the base 900, and the other end extends vertically away from the base 900. The bracket 200 is provided with reinforcing ribs connected to these two ends. The support plate 100 is clamped to place the surface to be processed horizontally on the movable plate 620, adapting to the shape characteristics of the support plate 100, and stably clamping the support plate 100 for processing.

[0052] In some embodiments of the present invention, the positioning pin 311 is provided with two limiting surfaces 3111, which extend from the front end of the positioning pin 311, further improving the clamping accuracy of the support plate 100. The support plate 100 can be quickly matched with the positioning plate 300 through the limiting surfaces 3111, further improving the clamping speed.

[0053] exist Figure 4 In the illustrated embodiment, the bent plate 500 further connects in sequence to a clamping slide 650 and a second pressure plate 660. The clamping slide 650 is provided with a third groove 651. The second pressure plate 660 is connected to the left end surface of the clamping slide 650. The right end surface of the second pressure plate 660 cooperates with the bottom wall of the third groove 651 to form a track for the movable plate 620 to slide up and down. One end of the movable plate 620 is vertically connected to the clamping slide 650 and is provided with a second groove 623 that cooperates with the track. The other end extends horizontally toward the end away from the clamping slide 650 and is provided with a first groove 622. The movable plate 620 slides within the track defined by the second pressure plate 660 and the clamping slide 650, ensuring a sufficient sliding range for the movable plate 620 and making the support plate fixture structure more compact.

[0054] Specifically, the support plate clamp is used as follows: the hexagonal nut is tightened to slide the retaining bar 400 forward from the guide rod 800, the stopper 410 moves away from the center of the positioning plate 300, and the support plate 100 is installed on the positioning plate 300 in cooperation with the positioning pin 311, so that the support plate 100 is in the working position. The hexagonal nut is tightened to slide the retaining bar 400 backward from the guide rod 800, compressing the second spring 810. The hexagonal nut is tightened while the stopper 410 presses the support plate 100. At the end of the support plate 100 to be drilled, the first screw 640 is rotated through the pin. The first screw 640 is threadedly engaged with the thrust plate 700 to cause displacement, pushing the expansion block 610 to expand the two movable plates 620. The two movable plates 620 respectively tighten the support plate 100 upward and downward, completing the positioning of the support plate 100. After the drilling process is completed, the first screw 640 is rotated by the pin to pull the support block 610 out of the movable plate 620 along the first inclined surface 611. The two movable plates 620 are reset under the action of the first spring 633 and leave the support plate 100. The hexagonal nut is screwed to make the baffle 400 slide forward from the guide rod 800, and the baffle 410 is away from the center of the positioning plate 300. The support plate clamp of the embodiment of the present invention is fast and convenient to clamp and take out. The support plate clamp has a compact structure and stable clamping, which can greatly improve the accuracy of drilling and reduce errors.

[0055] The machine tool according to the embodiment of the present invention includes the support plate fixture according to the above embodiment.

[0056] The machine tool of the embodiment of the present invention adopts the above-mentioned support plate clamp, and the support plate 100 is pressed between the blocking bar 400 and the positioning plate 300, and the end that needs to be drilled is tightened and fixed by the support component 600. The structure is compact and highly adjustable. The support plate 100 is completely fixed on the support plate clamp, and the positioning accuracy is high. The drilling accuracy can be well guaranteed during drilling, thereby improving the operating efficiency of the machine tool.

[0057] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the scope of the present invention.

Claims

1. A support plate fixture, characterized in that: include: Bracket; A positioning plate is provided on the bracket, and the positioning plate is provided with a positioning pin; a baffle, rotatably connected to the bracket, the baffle being used to press the support plate away from the end surface of the positioning plate; A bent plate, one end of which is fixedly connected to the bracket and the other end of which extends in a direction away from the bracket; The support assembly includes a support block and two movable plates, the support block is passed through the bent plate, the movable plate is provided on the bent plate, the movable plate is provided with a first groove, the first groove matches the hole to be processed of the support plate, the support block is provided between the two movable plates and abuts against the two movable plates to support the movable plates, the support block is provided with a first inclined surface, the movable plate is provided with a second inclined surface abutting against the first inclined surface, and the movable plate is provided with a reset assembly; The reset assembly includes a fixed pin, a stop pin and a first spring, the support plate clamp also includes a clamping slide connected to the bent plate, the movable plate is provided with a second groove, the stop pin is provided on the clamping slide and extends toward the second groove, one end of the fixed pin abuts against the wall surface of the second groove close to the support block, and the other end is connected to the stop pin through the first spring; The support plate clamp also includes a thrust plate, the expansion assembly includes a first screw, the end of the bent plate away from the movable plate is connected to the thrust plate, and the first screw is connected to the end of the expansion block and passes through the thrust plate.

2. The support plate clamp according to claim 1, characterized in that: The support plate clamp also includes a guide rod, the bracket is provided with a first through hole, the guide rod is passed through the first through hole and extends in a direction away from the bracket, the baffle is sleeved on the guide rod and slidably connected to the guide rod, and a second spring sleeved on the guide rod is provided between the baffle and the bracket.

3. The support plate clamp according to claim 2, characterized in that: The stop bar is provided with a stop block, which is arranged on the front end surface of the stop bar to press the support plate between the positioning plate and the stop block. The end surface of the stop block away from the axial direction of the guide rod is a plane.

4. The support plate clamp according to claim 3, characterized in that: There are two blocking bars, two guide rods and two second springs respectively, the two second springs are respectively sleeved on the guide rods, and the two blocking bars are respectively arranged on both sides of the height direction of the bracket.

5. The support plate clamp according to claim 4, characterized in that: The two blocking bars are respectively arranged on the upper and lower sides of the positioning plate, the blocking block is arranged on the front side of the positioning plate, and the movable plate is arranged at intervals in the upper and lower directions along the vertical direction.

6. The support plate clamp according to claim 1, characterized in that: The front end surface of the positioning pin is provided with a limiting surface.

7. A machine tool, characterized in that: The invention comprises the support plate clamp according to any one of claims 1 to 6.

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