A vertical machining center clamp and machine tool

Abstract

The application is suitable for the field of machining tools, and provides a vertical machining center clamp and a machine tool.The vertical machining center clamp comprises a bearing plate, a bottom plate fixedly installed on the bearing plate, a clamping mechanism, an auxiliary assembly, and a control assembly.The clamping mechanism comprises pressing strips and support pipes, four groups of the pressing strips are rotatably installed on the bearing plate through the support pipes, and the end of each group of the pressing strips away from the support pipe is in a circular structure.The surface of the circular structure is provided with a rubber anti-skid layer.The control assembly is arranged below the bearing plate and used to drive the support pipes to rotate.The auxiliary assembly is arranged on the bearing plate and used to clamp a rectangular workpiece in cooperation with the clamping mechanism.The clamping mechanism and the auxiliary assembly are arranged in cooperation, so that the problem that the existing vertical machining center clamp is mostly simple in structure, single in function, poor in clamping effect, and difficult to meet the machining requirements of workpieces with different shapes is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of machining tools, and particularly relates to a vertical machining center clamp and tool. BACKGROUND

[0002] The vertical machining center is a vertical machining center, and the spindle axis is perpendicular to the workbench. It is mainly used for machining plate, mold and small shell complex parts, and can complete milling, boring, drilling, tapping and thread processing and other processing tasks. The clamp of the vertical machining center is a tool for fixing the workpiece to keep it stable and accurate during machining.

[0003] The existing vertical machining center clamp is mostly simple in structure, single in function, poor in clamping effect, and difficult to meet the machining needs of workpieces of different shapes. Therefore, in view of the above status, it is urgent to provide a vertical machining center clamp and tool to overcome the deficiencies in current actual application. SUMMARY

[0004] The present application aims to provide a vertical machining center clamp and tool to solve the problems in the background art.

[0005] The present application is implemented as follows: a vertical machining center clamp, comprising: a bearing plate and a bottom plate fixedly installed on the bearing plate;

[0006] A clamping mechanism, the clamping mechanism comprises pressing strips and a support pipe, four groups of pressing strips are rotatably installed on the bearing plate through the support pipe, and the end of each group of pressing strips away from the support pipe is circular in structure, the surface of the circular structure has a rubber anti-slip layer, and a control assembly for driving the support pipe to rotate is further arranged below the bearing plate, the control assembly drives the support pipe to rotate to simultaneously approach or move away from the center position of the bearing plate at the one end of the circular structure of the multiple groups of pressing strips;

[0007] And an auxiliary assembly for clamping a rectangular workpiece in cooperation with the clamping mechanism, the auxiliary assembly is arranged on the bearing plate.

[0008] As a further scheme of the present application: an anti-slip pad is arranged on each group of pressing strips.

[0009] As a further scheme of the present application: the control assembly comprises:

[0010] A linkage rod, the linkage rod is fixedly installed on the support pipe, and the length direction of the linkage rod is consistent with the length direction of the pressing strip;

[0011] A bracket assembly, the bracket assembly is symmetrically arranged in two groups on the bearing plate;

[0012] A moving block, the moving block is slidably installed on the bracket assembly;

[0013] The drive rod is rotatably connected to the linkage rod and the moving block via a first connecting shaft.

[0014] And a drive component for moving the movable block on the support assembly.

[0015] As a further aspect of the present invention: the driving component includes:

[0016] A movable box is rotatably mounted on a support plate, and a second motor for driving the movable box to rotate is also provided on the auxiliary plate;

[0017] A rotating block, which is fixedly mounted on the movable box;

[0018] The control lever is rotatably connected to the rotating block and to the moving block via a second connecting shaft.

[0019] As a further aspect of the present invention: the support assembly includes upright plates and guide rods, two sets of upright plates are fixedly installed on the bearing plate, and the guide rods are fixedly installed between the two sets of upright plates, and multiple sets of guide rods are provided, and the two sets of support assemblies have the same structure.

[0020] As a further aspect of the present invention: the auxiliary component includes:

[0021] An auxiliary plate is slidably mounted on a support plate, and two sets of the auxiliary plates are symmetrically arranged on the support plate.

[0022] And a pitch adjustment assembly used to move the auxiliary plate.

[0023] As a further aspect of the present invention: the distance adjustment component includes:

[0024] Two sets of threaded rods are rotatably mounted on the auxiliary plate, and the threaded rods are threadedly connected to the auxiliary plate.

[0025] A transmission component, used for connecting two sets of threaded rods;

[0026] And a first motor for driving one set of threaded rods to rotate, the first motor being fixedly mounted on the auxiliary plate.

[0027] As a further aspect of the present invention: each set of pressing strips is further provided with a cleaning component, the cleaning component comprising:

[0028] The conduit is fixedly mounted on the support plate by a support frame, and the conduit and the support pipe are rotatably connected.

[0029] A cylinder is fixedly installed in the pressing strip, and the cylinder is communicated with the supporting pipe through a communicating pipe;

[0030] A piston is slidingly installed in the cylinder, and a piston pipe is also fixedly installed on the piston, and a circular hole is formed in the piston and communicated with the piston pipe;

[0031] A first spring is used for elastically supporting the piston, and the first spring is sleeved on the piston pipe;

[0032] A linkage block is fixedly connected with the piston pipe, and the linkage block has a cavity communicated with the piston pipe;

[0033] A moving box is slidingly installed on the pressing strip, and the moving box is fixedly connected with the linkage block, and a vent hole is formed in the moving box and communicated with the cavity of the linkage block;

[0034] A lifting plate is slidingly installed in the moving box through a second spring;

[0035] And a spray head is slidingly installed on the moving box, the spray head is fixedly connected with the lifting plate, and the lifting plate is provided with a gas hole communicated with the spray head.

[0036] A machine tool comprising the vertical machining center clamp.

[0037] Compared with the prior art, the workpiece is placed on the bearing plate, the control assembly drives the supporting pipe to rotate, the one end of the circular structure of the pressing strip is simultaneously close to or away from the center position of the bearing plate, when the one end of the circular structure of the pressing strip is pressed on the workpiece, the workpiece can be clamped and fixed, the circular workpiece and the small rectangular workpiece can be fixed, when the size of the clamped rectangular workpiece is large (i.e. the pressing strip cannot press the corner of the workpiece), the auxiliary assembly starts to work, clamps two ends of the rectangular workpiece, and then the pressing strip presses the other two ends of the rectangular workpiece, so that the large rectangular workpiece is fixed, and the applicability of the clamp is improved; through the cooperation of the clamping mechanism and the auxiliary assembly, the problems that the existing vertical machining center clamp has simple structure, single function, poor clamping effect and cannot meet the machining requirements of workpieces with different shapes are solved. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 It is a three-dimensional structure schematic diagram of the present application.

[0039] Figure 2 It is Figure 1 An enlarged structure schematic diagram of A in the middle.

[0040] Figure 3 It isFigure 1 A schematic diagram of the structure viewed from below.

[0041] Figure 4 for Figure 3 A schematic diagram of the structure after removing the base plate.

[0042] Figure 5 This is a schematic diagram of the pressing strip and cleaning component in this invention.

[0043] Figure 6 This is a schematic diagram of the front cross-sectional structure of the pressing strip in this invention.

[0044] Figure 7 for Figure 6 A magnified structural diagram at point B in the middle.

[0045] In the attached diagram: 1-Bearing plate, 2-Auxiliary plate, 3-Base plate, 4-First motor, 5-Pressing strip, 6-Anti-slip pad, 7-Support pipe, 8-Conduit, 9-Support frame, 10-Ventilation hole, 11-Second motor, 12-Drive rod, 13-First connecting shaft, 14-Linkage rod, 15-Transmission component, 16-Threaded rod, 17-Moving box, 18-Upright plate, 19-Guide rod, 20-Moving block, 21-Second connecting shaft, 22-Rotating block, 23-Control rod, 24-Nozzle, 25-Linkage block, 26-Air cylinder, 27-Piston pipe, 28-First spring, 29-Piston, 30-Connecting pipe, 31-Second spring, 32-Lifting plate. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0047] Please see Figures 1-7 The present invention provides a vertical machining center fixture, comprising:

[0048] Support plate 1 and base plate 3 fixedly installed on support plate 1;

[0049] The clamping mechanism comprises four groups of pressing strips 5 rotatably mounted on the bearing plate 1 through the support pipes 7, and the end of each group of pressing strips 5 away from the support pipe 7 is in a circular structure, and the surface of the circular structure is provided with a rubber anti-skid layer; and a control assembly for driving the support pipes 7 to rotate is further arranged below the bearing plate 1, and the control assembly drives the support pipes 7 to rotate to realize that the ends of the circular structures of the multiple groups of pressing strips 5 simultaneously approach or move away from the center position of the bearing plate 1.

[0050] The auxiliary assembly for clamping the rectangular workpiece in cooperation with the clamping mechanism is arranged on the bearing plate 1.

[0051] In the embodiment of the present application, the vertical machining center clamp is preferentially applicable to rectangular or circular workpieces; in use, the workpiece is placed on the bearing plate 1, the control assembly drives the support pipes 7 to rotate to realize that the ends of the circular structures of the multiple groups of pressing strips 5 simultaneously approach or move away from the center position of the bearing plate 1, and when the ends of the circular structures of the pressing strips 5 simultaneously press on the workpiece, the workpiece can be clamped and fixed, which is convenient for fixing the circular workpiece and the rectangular workpiece with a small size; when the clamped rectangular workpiece has a large size (i.e. the pressing strips 5 cannot press on the corners of the workpiece), the auxiliary assembly starts to work, clamps two ends of the rectangular workpiece, and then the pressing strips 5 press on the other two ends of the rectangular workpiece to realize the fixation of the rectangular workpiece with a large size, thereby improving the applicability of the clamp; compared with the prior art, the present application avoids the problems of the prior vertical machining center clamp, such as simple structure, single function, poor clamping effect and difficulty in meeting the machining requirements of workpieces with different shapes, by cooperation of the clamping mechanism and the auxiliary assembly.

[0052] In one embodiment of the present application, please refer to Figures 1-5 Each group of the pressing strips 5 is provided with an anti-skid pad 6;

[0053] The control assembly comprises:

[0054] The linkage rod 14 is fixedly installed on the support pipe 7, and the length direction of the linkage rod 14 is consistent with the length direction of the pressing strip 5;

[0055] The support assembly is symmetrically arranged on the bearing plate 1 in two groups;

[0056] The moving block 20 is slidably installed on the support assembly;

[0057] The driving rod 12 and the linkage rod 14 are rotatably connected through the first connecting shaft 13, and the driving rod 12 and the moving block 20 are also rotatably connected through the first connecting shaft 13.

[0058] And a driving assembly for driving the moving block 20 to move on the support assembly;

[0059] The driving assembly comprises:

[0060] A moving box 17 is rotatably installed on the bearing plate 1, and a second motor 11 for driving the moving box 17 to rotate is further arranged on the auxiliary plate 2;

[0061] A rotating block 22 is fixedly installed on the moving box 17;

[0062] And a control rod 23 is rotatably connected between the rotating block 22 and the control rod 23 and between the control rod 23 and the moving block 20 through a second connecting shaft 21;

[0063] The support assembly comprises a vertical plate 18 and a guide rod 19, two groups of the vertical plate 18 are fixedly installed on the bearing plate 1, the guide rod 19 is fixedly installed between the two groups of the vertical plate 18, and the guide rod 19 is provided with multiple groups, and the two groups of the support assembly are of the same structure.

[0064] In the embodiment, the control rod 23 is of an L-shaped structure, the second motor 11 can drive the rotating block 22 to rotate by driving the moving box 17 to rotate, the rotating block 22 can pull the moving block 20 to interact on the guide rod 19 by cooperating with the control rod 23, when the two groups of the moving block 20 slide to one side of the moving box 17, the driving rod 12 will pull the linkage rod 14 to rotate to one side of the moving box 17 around the support pipe 7, and the support pipe 7 will drive the pressing strip 5 to rotate to one side of the moving box 17, so that the pressing and fixing of the workpiece are realized, since multiple groups of the pressing strips 5 work synchronously, even if the sizes of the workpieces are inconsistent, the central positions of the fixed workpieces will not change, so that the machining is facilitated; the side edges of the pressing strips 5 will not slide relative to the corners of the rectangular workpiece after the side edges of the pressing strips 5 contact the corners of the rectangular workpiece, so that the clamping is facilitated.

[0065] In one embodiment of the present application, please refer to Figure 1 、 Figure 3 and Figure 4 The auxiliary assembly comprises:

[0066] An auxiliary plate 2 is slidably installed on the bearing plate 1, and the auxiliary plate 2 is symmetrically provided with two groups on the bearing plate 1;

[0067] And a distance adjusting assembly for driving the auxiliary plate 2 to move;

[0068] The distance adjusting assembly comprises:

[0069] Two groups of threaded rods 16 are rotatably installed on the auxiliary plate 2, and the threaded rods 16 are threadedly connected with the auxiliary plate 2;

[0070] a transmission member 15 for connecting between the two groups of threaded rods 16; wherein the transmission member 15 is a combination structure of a belt wheel and a transmission belt;

[0071] and a first motor 4 for driving one of the groups of threaded rods 16 to rotate, the first motor 4 being fixedly installed on the auxiliary plate 2.

[0072] In the embodiment, when the size of the clamped rectangular workpiece is large (i.e. the pressing strip 5 cannot press the corners of the workpiece), the auxiliary assembly starts to work, the first motor 4 drives the threaded rods 16 to rotate, so as to move the two auxiliary plates 2 closer to or farther away from each other, thereby realizing clamping of two ends of the rectangular workpiece, and then the pressing strip 5 is used to press the other two ends of the rectangular workpiece, so as to realize fixation of the rectangular workpiece.

[0073] In an embodiment of the present application, please refer to Figures 1-7 Each of the pressing strips 5 is further provided with a cleaning assembly, the cleaning assembly comprising:

[0074] a guide pipe 8 fixedly installed on the bearing plate 1 through a support frame 9, and the guide pipe 8 is rotationally connected with the support pipe 7; the support frame 9 is an L-shaped structure;

[0075] an air cylinder 26 fixedly installed in the pressing strip 5, and the air cylinder 26 is communicated with the support pipe 7 through a communication pipe 30;

[0076] a piston 29 slidingly installed in the air cylinder 26, and the piston 29 is further fixedly installed with a piston pipe 27, and a circular hole is formed in the piston 29 and communicated with the piston pipe 27; wherein the diameter of the circular hole is small, so that when the gas enters the air cylinder 26, the piston 29 is preferentially pushed to move;

[0077] a first spring 28 for elastically supporting the piston 29, the first spring 28 being sleeved on the piston pipe 27;

[0078] a linkage block 25 fixedly connected with the piston pipe 27, and the linkage block 25 has a cavity communicated with the piston pipe 27;

[0079] a moving box 17 slidingly installed on the pressing strip 5, and the moving box 17 is fixedly connected with the linkage block 25, and the moving box 17 is further provided with a ventilation hole 10 communicated with the cavity of the linkage block 25;

[0080] a lifting plate 32 slidingly installed in the moving box 17 through a second spring 31;

[0081] And the nozzle 24 is slidably installed on the moving box 17, the nozzle 24 is fixedly connected with the lifting plate 32, and the lifting plate 32 is provided with a gas hole in communication with the nozzle 24.

[0082] In the embodiment, when in use, the conduit 8 is connected with an external air pump, after each processing is completed, the air pump is used to input gas into the conduit 8, the gas enters the air cylinder 26 through the supporting pipe 7 and the communication pipe 30, so as to push the piston 29 to slide in the air cylinder 26, the piston pipe 27 is arranged through cooperation with the linkage block 25, so as to drive the moving box 17 to move, the moving distance of the piston 29 can be adjusted through adjustment of the gas pressure, so as to realize adjustment of the gas spraying range of the nozzle 24, part of the gas in the air cylinder 26 enters the moving box 17 through the piston 29, the piston pipe 27 and the linkage block 25, so as to push the lifting plate 32 to move downwards, and part of the gas in the moving box 17 is sprayed out through the nozzle 24, at the same time, the moving box 17 is driven to rotate around the supporting pipe 7 through the pressing strip 5, so as to facilitate removal of impurities on the bearing plate 1, and the components between the bearing plate 1 and the auxiliary plate 2 can be provided with a dustproof structure.

[0083] Please refer to Figures 1-7 The machine tool provided by the embodiment of the present application comprises the vertical machining center clamp.

[0084] In conclusion, the working principle of the present application is that when in use, the workpiece is placed on the bearing plate 1, the control assembly drives the supporting pipe 7 to rotate, so that the circular structure one end of the plurality of pressing strips 5 is simultaneously close to or away from the center position of the bearing plate 1, when the circular structure one end of the pressing strip 5 is simultaneously pressed on the workpiece, the workpiece can be clamped and fixed, so as to facilitate fixation of the circular workpiece and the rectangular workpiece with small size, when the clamped rectangular workpiece has large size (i.e. the pressing strip 5 cannot press the corner of the workpiece), the auxiliary assembly starts to work, clamps two ends of the rectangular workpiece, and then the pressing strip 5 is used to press the other two ends of the rectangular workpiece, so as to fix the rectangular workpiece with large size, thereby improving the applicability of the clamp.

[0085] In the present application, unless otherwise specified and limited, the terms "sliding", "rotating", "fixing", "provided with" and the like should be understood in a broad sense, for example, can be welded connection, or bolt connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0086] The above merely describes preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A vertical machining center clamp comprising a carrier plate and a base plate fixedly mounted to the carrier plate, characterized in that, Also include: Clamping mechanism, the clamping mechanism includes pressing strip and support tube, the pressing strip is installed with four groups through support tube on the bearing plate, and the end of each group of pressing strip away from the support tube is circular structure, the surface of the circular structure has rubber anti-skid layer, the bearing plate below is also provided with control assembly for driving support tube rotation, control assembly realizes that the circular structure one end of multiple groups of pressing strips is close to or away from the center position of bearing plate simultaneously through the mode for driving support tube rotation; And the auxiliary assembly for clamping rectangular workpiece is matched with clamping mechanism, the auxiliary assembly is arranged on the bearing plate; The auxiliary assembly includes: Auxiliary plate is slidably installed on the bearing plate, the auxiliary plate is symmetrically provided with two groups on the bearing plate; And the distance adjusting assembly for driving the auxiliary plate to move; Each group of the pressing strip is also provided with cleaning assembly, the cleaning assembly includes: Catheter, the catheter is fixedly installed on the bearing plate through the support frame, and the catheter is rotatably connected between the support tube; Air cylinder, the air cylinder is fixedly installed in the pressing strip, and the air cylinder is communicated with the support tube through the communication pipe; Piston, the piston is slidably installed in the air cylinder, and the piston is also fixedly installed with the piston tube, and the piston is provided with a circular hole communicated with the piston tube; First spring for elastically supporting the piston, the first spring is sleeved on the piston tube, and the two ends are respectively in contact with the piston and the air cylinder; Linkage block, the linkage block is fixedly connected with the piston tube, and the linkage block has a cavity communicated with the piston tube; Moving box, the moving box is slidably installed on the pressing strip, and the moving box is fixedly connected with the linkage block, and the moving box is also provided with a vent hole communicated with the inner cavity of the linkage block; Lifting plate, the lifting plate is slidably installed in the moving box through the second spring; And the spray head is slidably installed on the moving box, the spray head is fixedly connected with the lifting plate, and the lifting plate is provided with a gas hole communicated with the spray head.

2. The vertical machining center fixture of claim 1, wherein, Each group of the pressing strip is provided with a non-slip pad.

3. The vertical machining center clamp of claim 1, wherein, The control assembly includes: Linkage rod, the linkage rod is fixedly installed on the support tube, and the length direction of the linkage rod is consistent with the length direction of the pressing strip; Support assembly, the support assembly is symmetrically provided with two groups on the bearing plate; Moving block, the moving block is slidably installed on the support assembly; Drive rod, the drive rod is rotatably connected with the linkage rod and the moving block through the first connecting shaft; And the driving assembly for driving the moving block to move on the support assembly.

4. The vertical machining center clamp of claim 3, wherein, The driving assembly includes: Drive shaft, the drive shaft is rotatably installed on the bearing plate, and the bottom plate is also provided with a second motor for driving the drive shaft to rotate; Rotary block, the rotary block is fixedly installed on the drive shaft; And control rod, the control rod is rotatably connected with the rotary block and the moving block through the second connecting shaft.

5. The vertical machining center clamp of claim 4, wherein, The support assembly includes a vertical plate and a guide rod, the vertical plate is fixedly installed on the bearing plate in two groups, the guide rod is fixedly installed between the two groups of vertical plates, and the guide rod is provided with multiple groups, and the two groups of support assemblies are the same structure.

6. The vertical machining center clamp of claim 1, wherein, The distance adjusting assembly includes: Two groups of threaded rods are rotatably installed on the auxiliary plate and are in threaded connection with the auxiliary plate; a transmission member for connecting the two groups of threaded rods; and a first motor for driving one of the groups of threaded rods to rotate, the first motor being fixedly installed on the bottom plate.

7. A machine tool, characterized by The machine tool comprises the vertical machining center clamp according to any one of claims 1-6.

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