CNC machine tool workpiece calibration fixing mechanism

Abstract

The utility model relates to the technical field of machine tools, and discloses a CNC machine tool workpiece calibration fixing mechanism which comprises an operation plate, a containing groove is formed in the middle of the operation plate, a limiting plate is fixedly installed at the bottom of the operation plate, a clamping assembly is arranged on the side portion of the limiting plate, an extrusion plate is fixedly connected to the bottom of the limiting plate, and an air cylinder is fixedly installed on the side portion of the extrusion plate. A fixing block is installed on the side portion of the air cylinder, a connecting plate is fixedly connected to the end portion of the fixing block, a sliding block is installed on the side portion of the connecting plate, and a protection assembly is arranged between the sliding block and the connecting plate. Through the arrangement of a sliding groove, a sliding rod, a reset spring and other structures in the clamping assembly, the workpiece clamping force is adjustable, the workpiece clamping device adapts to workpieces of different sizes and shapes, and through the arrangement of a buffering cylinder, a buffering rod, a limiting spring and other structures in the protection assembly, vibration in the machining process can be absorbed.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool technical field, concretely is a kind of CNC machine tool workpiece calibration fixing mechanism. BACKGROUND

[0002] With the promotion of intelligent manufacturing and industry 4.0, the intelligence, precision and automation level of CNC machine tool are continuously improved, and the workpiece calibration fixing mechanism also needs continuous innovation to adapt to higher precision processing requirements. With the improvement of product quality requirements in various industries, the market demand for high-precision and high-reliability CNC machine tool workpiece calibration fixing mechanism is increasing. Domestic and foreign machine tool manufacturers have increased research and development investment and launched calibration fixing mechanisms with independent intellectual property rights. The market competition is fierce. The Chinese government attaches great importance to the development of manufacturing industry and has introduced a series of policies to support high-end equipment manufacturing industry, including the development of CNC machine tools and related technologies. Under the premise of ensuring processing quality, enterprises pay more and more attention to cost control and require calibration fixing mechanism to reduce manufacturing cost while improving processing efficiency.

[0003] In the prior art, the types and shapes of most workpieces are becoming more and more diversified when using calibration fixing mechanism, so the mechanism needs to have stronger adaptability and flexibility during operation. Therefore, the existing demand is not met, and for this purpose, a CNC machine tool workpiece calibration fixing mechanism is proposed. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of CNC machine tool workpiece calibration fixing mechanism, with the beneficial effect of improving the flexibility of mechanism, solve the problem that the types and shapes of most workpieces are becoming more and more diversified when using calibration fixing mechanism in the prior art mentioned in the above background art.

[0005] The utility model provides the following technical scheme: a kind of CNC machine tool workpiece calibration fixing mechanism, including operating plate, the operating plate middle part is equipped with placement slot, the operating plate bottom is fixedly installed with limit board, the limit board side is provided with clamping assembly, the limit board bottom is fixedly connected with extrusion plate, the extrusion plate side is fixedly installed with air cylinder, the air cylinder side is installed with fixed block, the fixed block end is fixedly connected with connecting plate, the connecting plate side is installed with sliding block, the sliding block with the connecting plate middle part is provided with protection assembly.

[0006] As a kind of CNC machine tool workpiece calibration fixing mechanism according to the utility model, wherein: the operating plate bottom is fixedly connected with clamping block, the clamping block is slidably engaged with the sliding block, and the connecting plate bottom is fixedly connected with support plate.

[0007] As a kind of CNC machine tool workpiece calibration fixing mechanism optional scheme described in the utility model, wherein: the support plate side portion is equipped with limiting cylinder by mounting bolt, limiting cylinder middle part is inserted with limiting rod, two the support plate symmetry is equipped with two, two The limiting cylinder is equipped with in support plate side portion.

[0008] As a kind of CNC machine tool workpiece calibration fixing mechanism optional scheme described in the utility model, wherein: the clamping assembly includes the sliding slot in the middle part of the limiting plate, the sliding rod is slidably connected in the middle part of the sliding slot, the sliding rod side portion is sleeved with return spring, the return spring one side is fixedly connected with contact plate, the return spring other side is fixedly connected with push plate, the limiting plate middle part is equipped with baffle.

[0009] As a kind of CNC machine tool workpiece calibration fixing mechanism optional scheme described in the utility model, wherein: the protection assembly includes the extrusion slot in the middle part of the connecting plate, the mounting plate is installed in the extrusion slot, the reinforcing block is fixedly installed at the bottom of the extrusion slot, the rotating shaft is installed in the middle part of the reinforcing block.

[0010] As a kind of CNC machine tool workpiece calibration fixing mechanism optional scheme described in the utility model, wherein: the rotating shaft side portion is hinged with buffer cylinder, the buffer rod is inserted in the middle part of the buffer cylinder, the buffer cylinder and the buffer rod side portion are sleeved with limiting spring.

[0011] As a kind of CNC machine tool workpiece calibration fixing mechanism optional scheme described in the utility model, wherein: the limiting spring both ends are fixedly connected with sleeve plate, the rotating shaft is fixedly installed at the end of the buffer rod, the rotating shaft side portion is hinged with rotating rod, the rotating rod end is fixedly installed with fixed shaft.

[0012] As a kind of CNC machine tool workpiece calibration fixing mechanism optional scheme described in the utility model, wherein: the fixed shaft side portion is sleeved with gear, the gear side portion is engaged with rack, the push block is inserted in the middle part of the rack, the push block side portion is fixedly connected with the sliding block.

[0013] The utility model has the following beneficial effects:

[0014] 1、The CNC machine tool workpiece calibration fixing mechanism, by the setting of protection assembly, can effectively prevent workpiece from falling off or damaging in processing, ensure the safety of processing, by the setting of sliding slot, sliding rod, return spring and other structures in clamping assembly, the workpiece clamping force is adjustable, adapt to workpieces of different sizes and shapes, by the setting of buffer cylinder, buffer rod, limiting spring and other structures in protection assembly, vibration in processing can be absorbed, noise is reduced, equipment service life is prolonged, the compact layout of each component, save space, make machine tool structure more reasonable.

[0015] 2、The workpiece calibration fixing mechanism of the CNC machine tool can accurately fix the workpiece, ensure positioning accuracy in the machining process, make the placement and removal of the workpiece more convenient through the setting of the operation plate, improve work efficiency, make the workpiece more stable in the calibration process through the setting of the extrusion plate, the cylinder, the fixing block and the connecting plate, reduce machining errors, reduce adjustment time in the machining process through the setting of the accurate calibration and fixing of the workpiece, improve machining efficiency, and the mechanism can be quickly adjusted according to the size and shape of different workpieces, and has strong adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a side view structure schematic view of the utility model.

[0018] Figure 3 It is an extrusion plate sectional structure schematic view of the utility model.

[0019] Figure 4 It is a protection assembly structure schematic view of the utility model.

[0020] Figure 5 It is a protection assembly structure schematic view of the utility model.

[0021] In the figure: 110, operation plate; 120, support plate; 130, connecting plate; 140, sliding block; 150, clamping block; 160, cylinder; 170, fixing block; 180, extrusion plate; 190, limiting plate; 200, mounting bolt; 210, limiting cylinder; 220, limiting rod; 230, placing groove; 240, extrusion groove; 250, mounting plate; 260, buffer rod; 270, limiting spring; 280, buffer cylinder; 290, cover plate; 300, rotating shaft; 310, reinforcing block; 320, fixed shaft; 330, gear; 340, rotating rod; 350, rotating shaft; 360, rack; 370, push block; 380, sliding groove; 390, sliding rod; 400, contact plate; 410, push plate; 420, return spring; 430, partition plate; 440, clamping assembly; 450, protection assembly. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment one, this embodiment is intended to facilitate the solution in the prior art, in the use of calibration fixed mechanism, most of the workpiece of the kind and shape is more and more diversified, then in the operation process, the mechanism needs to have stronger adaptability and flexibility, please refer to Figures 1-5 A CNC machine workpiece calibration fixed mechanism, including operation plate 110, the middle part of operation plate 110 is provided with a placing groove 230, the bottom of operation plate 110 is fixedly installed with a limiting plate 190, the side of limiting plate 190 is provided with a clamping assembly 440, the bottom of limiting plate 190 is fixedly connected with an extrusion plate 180, the side of extrusion plate 180 is fixedly installed with a cylinder 160, the side of cylinder 160 is installed with a fixed block 170, the end of fixed block 170 is fixedly connected with a connecting plate 130, the side of connecting plate 130 is installed with a sliding block 140, the middle part of sliding block 140 and connecting plate 130 is provided with a protection assembly 450.

[0024] The bottom of operation plate 110 is fixedly connected with a clamping block 150, the clamping block 150 is slidingly clamped with the sliding block 140, the bottom of connecting plate 130 is fixedly connected with a supporting plate 120, the side of supporting plate 120 is installed with a limiting cylinder 210 through mounting bolt 200, the middle part of limiting cylinder 210 is inserted with a limiting rod 220, the supporting plate 120 is symmetrically provided with two, and the side of the two supporting plates 120 is installed with a limiting cylinder 210.

[0025] When the equipment is used, first, the device to be calibrated is inserted into the placing groove 230, and then other driving devices are used to press down the device. In the pressing process, the device is clamped and limited by the clamping assembly 440. When calibrating devices of different specifications, the fixed mechanism is protected as much as possible by the protection assembly 450 to prolong the service life of the mechanism.

[0026] When facing devices of different specifications, the connecting plate 130 is moved at the bottom of the operation plate 110 by the cylinder 160. When calibrating the device, there will be a lot of pressure, and the mechanism will be impacted. Therefore, in the impact process, when stressed, the sliding block 140 will push the push block 370 to press down, and then the buffer rod 260 will stretch and retract in the buffer cylinder 280. In the stretching and retracting process of the buffer rod 260, the gear 330 will rotate along the rack 360. When not stressed, the limiting spring 270 will be reset.

[0027] In the embodiment: through the setting of the protection assembly 450, the workpiece can be effectively prevented from falling off or being damaged during processing, ensuring the safety of processing, through the setting of the sliding groove 380, the sliding rod 390, the reset spring 420 and other structures in the clamping assembly 440, the workpiece clamping force can be adjusted, and workpieces of different sizes and shapes can be adapted, through the setting of the buffer cylinder 280, the buffer rod 260, the limiting spring 270 and other structures in the protection assembly 450, the vibration during processing can be absorbed, the noise can be reduced, and the service life of the equipment can be prolonged, the compact layout of each component saves space, and the machine tool structure is more reasonable.

[0028] Embodiment two, the embodiment is intended to promote the solution of the equipment safety and the prolongation of the service life of the equipment during operation, and the embodiment is an improvement based on embodiment one, for details, please refer to Figures 1-5 The clamping assembly 440 comprises a sliding groove 380 formed in the middle of the limiting plate 190, a sliding rod 390 is connected in the middle of the sliding groove 380, a reset spring 420 is sleeved on the side of the sliding rod 390, a contact plate 400 is fixedly connected on one side of the reset spring 420, a push plate 410 is fixedly connected on the other side of the reset spring 420, and a partition plate 430 is installed in the middle of the limiting plate 190.

[0029] The protection assembly 450 comprises an extrusion groove 240 formed in the middle of the connecting plate 130, an installation plate 250 is installed in the extrusion groove 240, a reinforcing block 310 is fixedly installed at the bottom of the extrusion groove 240, a rotating shaft 300 is installed in the middle of the reinforcing block 310, a buffer cylinder 280 is hinged on the side of the rotating shaft 300, a buffer rod 260 is inserted into the middle of the buffer cylinder 280, and a limiting spring 270 is sleeved on the side of the buffer cylinder 280 and the buffer rod 260.

[0030] The limiting spring 270 is fixedly connected with a sleeve plate 290 at both ends, a rotating shaft 350 is fixedly installed at the end of the buffer rod 260, a rotating rod 340 is hinged on the side of the rotating shaft 350, a fixed shaft 320 is fixedly installed at the end of the rotating rod 340, a gear 330 is sleeved on the side of the fixed shaft 320, a gear rack 360 is engaged on the side of the gear 330, a push block 370 is inserted into the middle of the gear rack 360, and the push block 370 is fixedly connected with the sliding block 140 on the side.

[0031] In the embodiment: through the setting of the placing groove 230, the limiting plate 190, the clamping assembly 440 and the like, the workpiece can be accurately fixed, the positioning accuracy in the machining process is ensured, through the setting of the operation plate 110, the placement and taking out of the workpiece are more convenient, the work efficiency is improved, through the setting of the extrusion plate 180, the cylinder 160, the fixed block 170, the connecting plate 130 and the like, the workpiece is more stable in the calibration process, the machining error is reduced, through the setting of the accurate calibration and the fixed workpiece, the adjustment time in the machining process is reduced, the machining efficiency is improved, the mechanism can be quickly adjusted according to the size and shape of different workpieces, and has strong adaptability.

[0032] It should be noted that, in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A CNC machine workpiece calibration fixture mechanism comprising an operator plate (110) characterised in that: The operation plate (110) is provided with a placing groove (230) in the middle, the operation plate (110) is fixedly installed with a limiting plate (190) at the bottom, the limiting plate (190) is provided with a clamping assembly (440) on the side, the limiting plate (190) is fixedly connected with an extrusion plate (180) at the bottom, the extrusion plate (180) is fixedly installed with a gas cylinder (160) on the side, the gas cylinder (160) is installed with a fixed block (170) on the side, the fixed block (170) is fixedly connected with a connecting plate (130) at the end, the connecting plate (130) is installed with a sliding block (140) on the side, and the sliding block (140) and the connecting plate (130) are provided with a protection assembly (450) in the middle.

2. A CNC machine workpiece calibration fixture according to claim 1, wherein: The operation plate (110) is fixedly connected with a clamping block (150) at the bottom, the clamping block (150) is slidably clamped with the sliding block (140), and the connecting plate (130) is fixedly connected with a supporting plate (120) at the bottom.

3. A CNC machine workpiece calibration fixture according to claim 2, wherein: The supporting plate (120) is installed with a limiting cylinder (210) on the side through a mounting bolt (200), the limiting cylinder (210) is inserted with a limiting rod (220) in the middle, and the supporting plate (120) is symmetrically provided with two limiting cylinders (210) and two limiting rods (220).

4. A CNC machine workpiece calibration fixture according to claim 1, wherein: The clamping assembly (440) comprises a sliding groove (380) formed in the middle of the limiting plate (190), the sliding groove (380) is slidably connected with a sliding rod (390) in the middle, the sliding rod (390) is sleeved with a return spring (420) on the side, the return spring (420) is fixedly connected with a contact plate (400) on one side, the return spring (420) is fixedly connected with a push plate (410) on the other side, and the limiting plate (190) is installed with a partition plate (430) in the middle.

5. A CNC machine workpiece calibration fixture according to claim 1, wherein: The protection assembly (450) comprises an extrusion groove (240) formed in the middle of the connecting plate (130), the extrusion groove (240) is installed with a mounting plate (250), the extrusion groove (240) is fixedly installed with a reinforcing block (310) at the bottom, and the reinforcing block (310) is installed with a rotating shaft (300) in the middle.

6. A CNC machine workpiece calibration fixture according to claim 5, wherein: The rotating shaft (300) is hinged with a buffer cylinder (280) on the side, the buffer cylinder (280) is inserted with a buffer rod (260) in the middle, and the buffer cylinder (280) and the buffer rod (260) are sleeved with a limiting spring (270) on the side.

7. A CNC machine workpiece calibration fixture according to claim 6, wherein: The limiting spring (270) is fixedly connected with a sleeve plate (290) at both ends, the buffer rod (260) is fixedly installed with a rotating shaft (350) at the end, the rotating shaft (350) is hinged with a rotating rod (340) on the side, and the rotating rod (340) is fixedly installed with a fixed shaft (320) at the end.

8. A CNC machine workpiece calibration fixture according to claim 7, wherein: The fixed shaft (320) is sleeved with a gear (330) on the side, the gear (330) is engaged with a rack (360) on the side, the rack (360) is inserted with a push block (370) in the middle, and the push block (370) is fixedly connected with the sliding block (140) on the side.

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