Clamp for machining center

Abstract

The utility model discloses a clamp for a machining center, which comprises a shell, a top plate is mounted at the bottom of the shell, an outer frame is rotatably connected to the outer side of the top plate through a pin shaft, a box body is mounted at the bottom of the outer frame, a plurality of vertical rods are movably connected to the bottom of the outer frame, and a bottom plate is mounted at the bottoms of the vertical rods. The clamp for the machining center further comprises a clamping device installed in the shell. And the angle adjusting device is mounted in the box body. The utility model relates to the technical field of machining clamps, the clamp for the machining center clamps a workpiece to be machined through the clamping device, the machined workpiece can also be taken down from the clamp in the clamping process, a worker only needs to rotate the threaded rod once, the workpiece can be loosened and clamped at the same time, and the work efficiency is greatly improved. And the workpiece is relatively simple and convenient to mount and dismount, so that the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of processing fixtures, in particular to a fixture used in a processing center. Background Art

[0002] A fixture is a device used to fix the object to be processed in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process of the process can be called a fixture. The fixture is usually composed of positioning elements, clamping devices, tool guide elements, indexing devices, connecting elements and clamp bodies.

[0003] When the current clamp is used, the clamp is fixed on the processing table of the CNC milling machine by multiple bolts, the workpiece with cutting is placed on the top of the clamp, and the operator rotates the threaded rod on the clamp to drive the clamp blocks on both sides to move inward, the clamp blocks on both sides fix the workpiece, and the CNC milling machine is started, and the CNC milling machine performs milling processing on the fixed workpiece;

[0004] During the use of traditional clamps, after the clamp clamps the workpiece and completes milling, the worker needs to rotate the threaded rod in the reverse direction to remove the milled workpiece from the top of the clamp, then place the workpiece to be processed on the top of the clamp, and continue to rotate the threaded rod forward to clamp the workpiece. The process of rotating the threaded rod forward and backward to install and disassemble the workpiece is rather cumbersome, which results in a higher labor intensity for the workers. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a clamp for a machining center, which solves the problem that when using a traditional clamp, after the clamp clamps the workpiece and completes milling, the worker needs to rotate the threaded rod in the reverse direction to remove the milled workpiece from the top of the clamp, then place the workpiece to be processed on the top of the clamp, and continue to rotate the threaded rod forward to clamp the workpiece. The process of rotating the threaded rod forward and backward to install and disassemble the workpiece is rather cumbersome, thereby resulting in a high labor intensity for the workers.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a clamp for a machining center, comprising a shell, a top plate is installed at the bottom of the shell, the outer side of the top plate is rotatably connected to an outer frame through a pin shaft, a box body is installed at the bottom of the outer frame, a plurality of vertical rods are movably connected to the bottom of the outer frame, and a bottom plate is installed at the bottom of the plurality of vertical rods, and the clamp for the machining center also includes: a clamping device, installed inside the shell; an angle adjustment device, installed inside the box body; a height adjustment device, installed above the bottom plate; wherein the clamping device is convenient for clamping the workpiece on one side when disassembling the workpiece on the other side, the angle adjustment device is convenient for adjusting the processing angle of the workpiece, and the height adjustment device is convenient for adjusting the processing height of the workpiece.

[0007] Preferably, the clamping device includes: a two-way threaded rod, which is rotatably connected to the inside of the shell through a bearing; a handwheel, which is installed at one end of the two-way threaded rod; two sliders, which are both threadedly connected to the outer wall of the two-way threaded rod; two rotating plates, which are respectively movably connected to the outer walls of the two sliders and are respectively rotatably connected to the inner wall of the shell through pins; a plurality of rollers, which are respectively rotatably connected to the front sides of the two rotating plates through bearings; a plurality of clamping plates, which are respectively movably connected to the outer walls of a plurality of rollers and are all slidably connected to the inner wall of the shell; wherein, twisting the handwheel drives the slider to move through the two-way threaded rod, and the slider drives the clamping plate on the outer wall of the roller to move through the rotating plate, and the two pairs of clamping plates clamp the workpiece to fix or release the processed workpiece.

[0008] Preferably, the outer walls of the plurality of clamps are all installed with anti-skid pads, the inner walls of the plurality of anti-skid pads are all threadedly connected with bolts, and the outer walls of the plurality of bolts are respectively threadedly connected with the inner walls of the plurality of clamps.

[0009] Preferably, the angle adjustment device includes: a first threaded rod, threadedly connected to the interior of the box; a slide plate, rotatably connected to one end of the first threaded rod through a bearing, and slidably engaged with the inner wall of the box; an inclined rod, rotatably connected to the front side of the slide plate through a pin shaft, and rotatably connected to the bottom of the top plate; wherein, when the first threaded rod rotates, the top plate at one end of the inclined rod is driven to rotate through the slide plate, thereby adjusting the angle of the top plate.

[0010] Preferably, the height adjustment device includes: an outer cylinder installed above the base plate; a bevel gear group, rotatably connected to the inside of the outer cylinder through a bearing; a second threaded rod installed on the inner wall of the bevel gear group and rotatably connected to the inner wall of the outer cylinder through a bearing; a concave plate, threadedly connected to the outer wall of the second threaded rod and slidingly engaged with the inner wall of the outer cylinder, and the top of the concave plate is fixedly connected to the bottom of the outer frame; a knob installed on one side of the bevel gear group; wherein the knob drives the second threaded rod inside the bevel gear group to rotate, and the second threaded rod adjusts the height of the outer frame through the concave plate.

[0011] Beneficial Effects

[0012] The utility model provides a clamp for a machining center. It has the following beneficial effects: the clamp for the machining center clamps the workpiece to be machined through a clamping device, and the machined workpiece can also be removed from the clamp during the clamping process. The staff only needs to rotate the threaded rod once to simultaneously complete the loosening and clamping of the workpiece, and the installation and disassembly process of the workpiece is relatively simple, thereby reducing the labor intensity of the staff;

[0013] The horizontal angle of the workpiece to be processed is adjusted by the angle adjustment device, making it easier for the CNC milling machine to process the workpiece. The height of the workpiece to be processed is adjusted by the height adjustment device, so that the CNC milling machine can process workpieces of different heights, thereby improving the application range of the fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A top sectional view of

[0016] Figure 3 for Figure 1 A cross-sectional view of

[0017] Figure 4 for Figure 3 Schematic diagram of the structure of the first threaded rod, the slide plate and the inclined rod.

[0018] In the figure: 1. shell, 2. clamping device, 201. bidirectional threaded rod, 202. hand wheel, 203. slider, 204. rotating plate, 205. roller, 206. clamping plate, 3. anti-slip pad, 4. bolt, 5. outer frame, 6. top plate, 7. box body, 8. angle adjustment device, 801. first threaded rod, 802. slide plate, 803. oblique rod, 9. height adjustment device, 901. outer cylinder, 902. bevel gear set, 903. second threaded rod, 904. concave plate, 905. knob, 10. vertical rod, 11. bottom plate. DETAILED DESCRIPTION

[0019] 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.

[0020] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0021] In the process of using the traditional clamp, after the clamp clamps the workpiece and completes the milling, the worker needs to rotate the threaded rod in the reverse direction to remove the milled workpiece from the top of the clamp, and then place the workpiece to be processed on the top of the clamp, and continue to rotate the threaded rod forward to clamp the workpiece. The process of rotating the threaded rod forward and backward to install and disassemble the workpiece is relatively cumbersome, resulting in a high labor intensity for the workers;

[0022] In view of this, the utility model provides a clamp for a machining center, which clamps the workpiece to be machined through a clamping device. The machined workpiece can also be removed from the clamp during the clamping process. The staff only needs to rotate the threaded rod once to simultaneously complete the loosening and clamping of the workpiece. The installation and disassembly process of the workpiece is relatively simple, thereby reducing the labor intensity of the staff.

[0023] Embodiment 1: Figure 1 , 2 , 3 and 4 show that a fixture for a machining center includes a shell 1, a top plate 6 is installed at the bottom of the shell 1, an outer frame 5 is rotatably connected to the outer side of the top plate 6 through a pin shaft, a box body 7 is installed at the bottom of the outer frame 5, a plurality of vertical rods 10 are movably connected to the bottom of the outer frame 5, a bottom plate 11 is installed at the bottom of the plurality of vertical rods 10, and the fixture for the machining center also includes: a clamping device 2, installed inside the shell 1; an angle adjustment device 8, installed inside the box body 7; a height adjustment device 9, installed above the bottom plate 11; wherein the clamping device 2 is convenient for clamping the workpiece on the other side when disassembling the workpiece on one side, the angle adjustment device 8 is convenient for adjusting the machining angle of the workpiece, and the height adjustment device 9 is convenient for adjusting the machining height of the workpiece;

[0024] In the specific implementation process, it is worth pointing out that the workpiece is placed above the top plate 6, the clamping device 2 is used to loosen the workpiece after processing on one side, and the workpiece on the other side is clamped at the same time, the angle adjustment device 8 is used to adjust the horizontal angle of the workpiece to be processed, and the height adjustment device 9 is used to adjust the height of the workpiece to be processed;

[0025] Specifically, when using the machining center fixture, the shell 1, top plate 6, outer frame 5, vertical rod 10 and bottom plate 11 constitute the fixture body, and the fixture body is installed on the CNC milling machine through the bottom plate 11. The staff puts the workpiece to be processed on the top of the top plate 6, releases the processed workpiece on one side through the clamping device 2, and clamps the workpiece to be processed at the same time, uses the height adjustment device 9 to adjust the height of the workpiece to be processed, and uses the angle adjustment device 8 to adjust the processing angle of the workpiece to be processed.

[0026] Embodiment 2: By Figure 1 , 2 As can be seen from 3, the clamping device 2 includes: a bidirectional threaded rod 201, which is rotatably connected to the inside of the housing 1 through a bearing; a handwheel 202, which is installed at one end of the bidirectional threaded rod 201; two sliders 203 are provided, both of which are threadedly connected to the outer wall of the bidirectional threaded rod 201; two rotating plates 204 are provided, which are respectively movably connected to the outer walls of the two sliders 203, and are respectively rotatably connected to the inner wall of the housing 1 through pins; a plurality of rollers 205 are provided, which are respectively rotatably connected to the front faces of the two rotating plates 204 through bearings; a plurality of clamping plates 206 are provided, which are respectively movably connected to the outer walls of a plurality of rollers 205, and are all slidably connected to the inner wall of the housing 1; wherein, the handwheel 202 is twisted to drive the slider 203 to move through the bidirectional threaded rod 201, and the slider 203 drives the clamping plate 206 on the outer wall of the roller 205 to move through the rotating plate 204, and the two pairs of clamping plates 206 clamp the workpiece to fix or release the processed workpiece;

[0027] In the specific implementation process, it is worth pointing out that the staff rotates the hand wheel 202 to drive the rotating plate 204 outside the slider 203 to rotate, and the rotating plate 204 drives the clamping plate 206 to move through the roller 205;

[0028] Furthermore, the outer walls of the plurality of clamping plates 206 are all installed with anti-skid pads 3, the inner walls of the plurality of anti-skid pads 3 are all threadedly connected with bolts 4, and the outer walls of the plurality of bolts 4 are respectively threadedly connected with the inner walls of the plurality of clamping plates 206;

[0029] In the specific implementation process, it is worth pointing out that the anti-skid pad 3 is made of rubber material, and the anti-skid pad 3 is fixed to the clamping plate 206 using bolts 4;

[0030] Specifically, on the basis of the above-mentioned embodiment 1, the bolt 4 is rotated to fix the anti-slip pad 3 on the clamping plate 206, and the staff rotates the handwheel 202 to drive the slider 203 to move, and the slider 203 drives the roller 205 to move through the rotating plate 204. The roller 205 on one side drives the clamping plate 206 on one side to move inward to fix the workpiece to be processed, and the roller 205 on the other side drives the clamping plate 206 on the other side to move outward to release the workpiece after processing. Each rotation of the bidirectional threaded rod 201 can fix the workpiece to be processed.

[0031] Embodiment 3: By Figure 2 , 3 As can be seen from Figures 4, the angle adjustment device 8 includes: a first threaded rod 801, which is threadedly connected to the inside of the box body 7; a slide plate 802, which is rotatably connected to one end of the first threaded rod 801 through a bearing, and is slidably engaged with the inner wall of the box body 7; an inclined rod 803, which is rotatably connected to the front of the slide plate 802 through a pin shaft, and is rotatably connected to the bottom of the top plate 6; wherein, when the first threaded rod 801 rotates, the top plate 6 at one end of the inclined rod 803 is driven to rotate through the slide plate 802, thereby adjusting the angle of the top plate 6;

[0032] In the specific implementation process, it is worth pointing out that when the first threaded rod 801 rotates, the slide plate 802 is driven to move, and when the slide plate 802 moves, the inclined rod 803 is driven to move;

[0033] Specifically, based on the above-mentioned embodiment 1, the staff rotates the first threaded rod 801 to drive the slide plate 802 to move, and the slide plate 802 drives the top plate 6 to rotate through the inclined rod 803, thereby adjusting the processing angle of the workpiece on the top of the top plate 6.

[0034] Embodiment 4: By Figure 1 and 3 It can be seen that the height adjustment device 9 includes: an outer cylinder 901, which is installed above the bottom plate 11; a bevel gear set 902, which is rotatably connected to the inside of the outer cylinder 901 through a bearing; a second threaded rod 903, which is installed on the inner wall of the bevel gear set 902 and is rotatably connected to the inner wall of the outer cylinder 901 through a bearing; a concave plate 904, which is threadedly connected to the outer wall of the second threaded rod 903, and is slidably engaged with the inner wall of the outer cylinder 901, and the top of the concave plate 904 is fixedly connected to the bottom of the outer frame 5; a knob 905, which is installed on one side of the bevel gear set 902; wherein the knob 905 drives the second threaded rod 903 inside the bevel gear set 902 to rotate, and the second threaded rod 903 adjusts the height of the outer frame 5 through the concave plate 904;

[0035] In the specific implementation process, it is worth pointing out that the bevel gear set 902 is composed of two meshing bevel gears, and the twisting knob 905 drives the second threaded rod 903 inside the bevel gear set 902 to rotate, and the second threaded rod 903 drives the outer frame 5 to move upward through the concave plate 904;

[0036] Specifically, based on the above-mentioned embodiment 1, the staff drives the bevel gear group 902 to rotate by twisting the knob 905, the bevel gear group 902 drives the concave plate 904 to move through the second threaded rod 903, and the concave plate 904 drives the outer frame 5 to move, thereby adjusting the height of the workpiece above the inner top plate 6 of the outer frame 5.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0038] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamp for a machining center, comprising a housing (1), characterized in that: A top plate (6) is installed at the bottom of the shell (1); an outer frame (5) is rotatably connected to the outer side of the top plate (6) via a pin shaft; a box (7) is installed at the bottom of the outer frame (5); a plurality of vertical rods (10) are movably connected to the bottom of the plurality of vertical rods (10); a bottom plate (11) is installed at the bottom of the plurality of vertical rods (10); and the fixture for the machining center further comprises: A clamping device (2) installed inside the housing (1); An angle adjustment device (8) installed inside the box (7); A height adjustment device (9) installed above the base plate (11); The clamping device (2) facilitates clamping of the workpiece on one side when disassembling the workpiece on the other side, the angle adjustment device (8) facilitates adjustment of the processing angle of the workpiece, and the height adjustment device (9) facilitates adjustment of the processing height of the workpiece.

2. A fixture for a machining center according to claim 1, characterized in that: The clamping device (2) comprises: A bidirectional threaded rod (201) rotatably connected to the interior of the housing (1) via a bearing; A hand wheel (202) is mounted on one end of the bidirectional threaded rod (201); Two sliders (203) are provided, both of which are threadedly connected to the outer wall of the bidirectional threaded rod (201); Two rotating plates (204) are provided, which are movably connected to the outer walls of the two sliding blocks (203) and are rotatably connected to the inner wall of the housing (1) via pins; A plurality of rollers (205) are provided, each of which is rotatably connected to the front sides of the two rotating plates (204) through bearings; A plurality of clamping plates (206) are provided, each movably connected to the outer walls of the plurality of rollers (205), and each is slidably connected to the inner wall of the housing (1); The hand wheel (202) is twisted to drive the slider (203) to move via the bidirectional threaded rod (201), and the slider (203) drives the clamping plate (206) on the outer wall of the roller (205) to move via the rotating plate (204), and the two pairs of clamping plates (206) clamp the workpiece to fix it or release the processed workpiece.

3. A clamp for a machining center according to claim 2, characterized in that: The outer walls of the plurality of clamps (206) are all installed with anti-skid pads (3), the inner walls of the plurality of anti-skid pads (3) are all threadedly connected with bolts (4), and the outer walls of the plurality of bolts (4) are respectively threadedly connected with the inner walls of the plurality of clamps (206).

4. A clamp for a machining center according to claim 1, characterized in that: The angle adjustment device (8) comprises: A first threaded rod (801) threadedly connected to the interior of the box (7); A slide plate (802) is rotatably connected to one end of the first threaded rod (801) via a bearing and is slidably engaged with the inner wall of the box body (7); The inclined rod (803) is rotatably connected to the front side of the slide plate (802) through a pin shaft, and is rotatably connected to the bottom side of the top plate (6); When the first threaded rod (801) rotates, the top plate (6) at one end of the inclined rod (803) is driven to rotate via the slide plate (802), thereby adjusting the angle of the top plate (6).

5. The clamp for a machining center according to claim 1, characterized in that: The height adjustment device (9) comprises: An outer cylinder (901) is installed above the bottom plate (11); A bevel gear set (902) is rotatably connected to the interior of the outer cylinder (901) via a bearing; A second threaded rod (903) is mounted on the inner wall of the bevel gear set (902) and is rotatably connected to the inner wall of the outer cylinder (901) via a bearing; A concave plate (904) is threadedly connected to the outer wall of the second threaded rod (903) and is slidably engaged with the inner wall of the outer cylinder (901), and the top of the concave plate (904) is fixedly connected to the bottom of the outer frame (5); A knob (905) is mounted on one side of the bevel gear set (902); The knob (905) drives the second threaded rod (903) inside the bevel gear set (902) to rotate, and the second threaded rod (903) adjusts the height of the outer frame (5) through the concave plate (904).

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