Height-adjustable flat tongs sizing block

Abstract

The utility model discloses a flat tongs shim plate with adjustable height, which relates to the technical field of shim plates and comprises an upper shim plate and a lower shim plate, a screw is rotatably arranged at the top of the lower shim plate, the upper shim plate is sleeved on the screw in a threaded manner, the upper shim plate is provided with expansion holes on two sides of the screw, expansion sleeves are arranged in the expansion holes, and the expansion sleeves are sleeved on the upper shim plate. The expansion sleeve penetrates through the expansion hole to be connected with the lower sizing block, the expansion nail is arranged in the expansion sleeve and used for extruding the expansion sleeve to generate deformation so as to be in interference fit with the interior of the expansion hole, the screw rod is installed between the upper sizing block and the lower sizing block, the upper sizing block can move up and down by rotating the screw rod, and therefore the supporting height of the upper sizing block can be adjusted. The flat tongs sizing block has high adjusting precision, so that one flat tongs sizing block can adapt to various installation environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pad iron, concretely is a height adjustable flat mouthed tongs pad iron. BACKGROUND

[0002] Pad iron is an important component indispensable on the production line. It is placed under the machine, supports the weight of the machine, has the function of shock absorption, is commonly used for numerical control machine tool to attenuate the vibration of the machine itself, reduces the vibration force transmission, prevents the vibration force from entering, and can also adjust the horizontal height of the machine tool. It is widely used in various processing equipment and food machinery production lines. Pad iron is divided into flat pad iron, inclined pad iron, adjustable pad iron and tong pad iron according to types. The structure of the tong pad iron is simple at present, only provides support, cannot adjust the support height, and the corresponding thickness of the tong pad iron is installed according to the height of the equipment, but the installation precision is not high, a plurality of sizes of the tong pad iron cannot be configured, the tong pad iron cannot be matched with the installation of the equipment, and the tong pad iron needs to be temporarily processed, which is time-consuming and laborious. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the defects of the prior art, providing a height adjustable flat mouthed tongs pad iron, which solves the defects of the prior art.

[0004] The utility model aims at overcoming the defects of the prior art, providing a height adjustable flat mouthed tongs pad iron, which solves the defects of the prior art.

[0005] Further, a plurality of expansion windows are formed in the side wall of the expansion sleeve along the circumferential direction of the expansion sleeve, a plurality of expansion sheets are arranged in the expansion windows, the top of the expansion sheet is fixedly connected with the expansion sleeve, and a gap is formed between the bottom of the expansion sheet and the expansion sleeve.

[0006] Further, a plurality of extrusion arc-shaped blocks are fixed to the tail of the expansion pin, the plurality of extrusion arc-shaped blocks correspond to the plurality of expansion sheets one by one, a plurality of sliding grooves are formed in the inner wall of the expansion sleeve, the plurality of sliding grooves correspond to the plurality of extrusion arc-shaped blocks one by one, the sliding grooves are communicated with the expansion windows, and the extrusion arc-shaped blocks are slidably matched in the sliding grooves.

[0007] Further, the expansion sleeve adopts an arc transition between the bottom of the sliding groove and the expansion sheet.

[0008] Further, the top of the expansion nail is fixed with a pulling nail, the shape of the pulling nail is T-shaped, and the top surface of the pulling nail is below the top surface of the upper base iron.

[0009] Further, the bottom of the expansion sleeve is fixed with a threaded column, the top of the lower base iron is provided with a threaded hole, and the threaded column is threadedly fitted in the threaded hole.

[0010] The utility model discloses beneficial effect is:

[0011] 1. install screw rod between upper base iron and lower base iron, make upper base iron go up and down through rotating screw rod, thereby can adjust the support height of upper base iron, adopt the mode of lead screw, have higher adjustment accuracy, make a flat tongs base iron can adapt to multiple installation environment.

[0012] 2. connect upper base iron and lower base iron together through expansion sleeve, cooperate screw rod and bear force together, make force more evenly, make upper base iron have higher bearing capacity. DRAWINGS

[0013] Figure 1 It is internal structure schematic diagram of the utility model kind adjustable height's flat tongs base iron;

[0014] Figure 2 It is Figure 1 enlarged view of A place in middle;

[0015] In the drawing, 1 is upper base iron, 2 is lower base iron, 3 is screw rod, 4 is expansion hole, 5 is expansion sleeve, 6 is expansion nail, 7 is expansion window, 8 is expansion sheet, 9 is extrusion arc block, 10 is sliding slot, 11 is pulling nail, 12 is threaded column, 13 is threaded hole. CONCRETE IMPLEMENTING METHOD

[0016] Example one

[0017] As Figure 1 and Figure 2As shown, a height-adjustable flat tongs pad iron includes an upper pad iron 1 and a lower pad iron 2, the top of the lower pad iron 2 is rotatably provided with a screw rod 3, the upper pad iron 1 is threadedly sleeved on the screw rod 3, the upper pad iron 1 is provided with an expansion hole 4 on both sides of the screw rod 3, the expansion hole 4 is provided with an expansion sleeve 5, the expansion sleeve 5 is connected to the lower pad iron 2 through the expansion hole 4, the expansion sleeve 5 is provided with an expansion nail 6, the expansion nail 6 is used to extrude the expansion sleeve 5 to generate deformation to fit in the expansion hole 4, rotating the screw rod 3, because the expansion sleeve 5 limits the rotational freedom of the upper pad iron 1, the upper pad iron 1 moves linearly along the axial direction of the screw rod 3, so as to adjust the load height of the upper pad iron 1, using the screw rod mode, it has high adjustment accuracy, so that one flat tongs pad iron can adapt to various installation environments, after the height adjustment of the upper pad iron 1 is completed, the expansion nail 6 is inserted, the expansion nail 6 extrudes the expansion sleeve 5 to generate deformation, so that the expansion sleeve 5 tightly abuts against the expansion hole 4, thereby connecting the upper pad iron 1 and the lower pad iron 2 together through the expansion sleeve 5, cooperating with the screw rod 3 to bear force together, so as to make the force more uniform, so that the upper pad iron 1 has higher load capacity, prolonging the service life of the screw rod 3; in specific implementation, an operation hole is formed in the bottom of the lower pad iron 2, one end of the screw rod 3 extends into the operation hole and is connected with an internal hexagonal nut, the internal hexagonal nut is rotated to drive the screw rod 3 to rotate, thereby realizing the height adjustment of the upper pad iron 1.

[0018] Example two

[0019] Based on example one, as shown, Figure 2 the top of the expansion nail 6 is fixed with a pull-out nail 11, the shape of the pull-out nail 11 is T-shaped, the top surface of the pull-out nail 11 is below the top surface of the upper pad iron 1, the adjustment range of the upper pad iron 1 needs to ensure that the pull-out nail 11 is always located in the expansion hole 4, avoiding the pull-out nail 11 from extending out of the expansion hole 4 to contact the mechanical equipment, the setting of the pull-out nail 11 facilitates the use of the vice to pull out the expansion nail 6, so as to rotate the screw rod 3 to adjust the height of the upper pad iron 1.

[0020] Further, the bottom of the expansion sleeve 5 is fixed with a threaded column 12, the top of the lower pad iron 2 is provided with a threaded hole 13, the threaded column 12 is threadedly fitted in the threaded hole 13, the expansion sleeve 5 is connected to the lower pad iron 2 through the threaded mode, facilitating disassembly and installation.

[0021] Example three

[0022] Based on example two, as shown, Figure 1 and Figure 2As shown, the side wall of the expansion sleeve 5 is provided with a plurality of expansion windows 7 along the circumferential direction of itself, the expansion windows 7 are provided with expansion sheets 8, the top of the expansion sheet 8 is fixedly connected with the expansion sleeve 5, the gap is formed between the bottom of the expansion sheet 8 and the expansion sleeve 5, the expansion nail 6 is used for extruding the expansion sheet 8 to deform and abut against the inner wall of the expansion hole 4, the tail of the expansion nail 6 is fixedly provided with a plurality of extrusion arc blocks 9, the plurality of extrusion arc blocks 9 correspond to the plurality of expansion sheets 8 one by one, the inner wall of the expansion sleeve 5 is provided with a plurality of sliding grooves 10, the plurality of sliding grooves 10 correspond to the plurality of extrusion arc blocks 9 one by one, the sliding groove 10 is communicated with the expansion window 7, the extrusion arc block 9 is slidably fitted in the sliding groove 10, the expansion sleeve 5 is arc transition between the bottom of the sliding groove 10 and the expansion sheet 8, the expansion nail 6 is inserted, the extrusion arc block 9 corresponds to the sliding groove 10, the expansion nail 6 can be smoothly inserted into the expansion sleeve 5, when the extrusion arc block 9 contacts the expansion sheet 8, under the action of the arc transition, the extrusion arc block 9 extrudes the expansion sheet 8 to deform and abut against the inner wall of the expansion hole 4, the expansion sheet 8 abuts against the expansion hole 4, thereby the top shoe 1 and the expansion sleeve 5 are connected together, the carrying capacity of the top shoe 1 is improved.

Claims

1. A height-adjustable flat-jaw pliers pad, comprising an upper pad (1) and a lower pad (2), characterized in that, The top of the lower pad (2) is rotatably provided with a screw (3), and the upper pad (1) is threaded onto the screw (3). The upper pad (1) has expansion holes (4) on both sides of the screw (3). An expansion sleeve (5) is provided in the expansion hole (4). The expansion sleeve (5) passes through the expansion hole (4) and connects to the lower pad (2). An expansion nail (6) is provided in the expansion sleeve (5). The expansion nail (6) is used to squeeze the expansion sleeve (5) to deform so as to fit into the expansion hole (4).

2. The adjustable height flat-jaw pliers pad according to claim 1, characterized in that, The expansion sleeve (5) has multiple expansion windows (7) along its circumference on its sidewall. An expansion piece (8) is provided in the expansion window (7). The top of the expansion piece (8) is fixedly connected to the expansion sleeve (5). A gap is formed between the bottom of the expansion piece (8) and the expansion sleeve (5). The expansion nail (6) is used to squeeze the expansion piece (8) to deform and press it against the inner wall of the expansion hole (4).

3. The adjustable height flat-jaw pliers pad according to claim 2, characterized in that, The tail of the expansion nail (6) is fixed with a plurality of extrusion arc blocks (9), and the plurality of extrusion arc blocks (9) correspond one-to-one with the plurality of expansion plates (8). The inner wall of the expansion sleeve (5) is provided with a plurality of sliding grooves (10), and the plurality of sliding grooves (10) correspond one-to-one with the plurality of extrusion arc blocks (9). The sliding grooves (10) are connected to the expansion window (7), and the extrusion arc blocks (9) slide and fit into the sliding grooves (10).

4. The adjustable height flat-jaw pliers pad according to claim 3, characterized in that, The expansion sleeve (5) has an arc-shaped transition between the bottom of the groove (10) and the expansion piece (8).

5. The adjustable height flat-jaw pliers pad according to claim 1, characterized in that, The expansion nail (6) is fixed with a pull-out nail (11) at its top. The pull-out nail (11) is T-shaped and its top surface is located below the top surface of the upper pad (1).

6. The adjustable height flat-jaw pliers pad according to claim 1, characterized in that, The bottom of the expansion sleeve (5) is fixed with a threaded post (12), and the top of the lower pad (2) is provided with a threaded hole (13). The threaded post (12) is threaded into the threaded hole (13).

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