Numerical control grinding machine capable of conveniently clamping workpiece for machining

Abstract

The utility model belongs to the technical field of numerical control grinding machine devices, and provides a numerical control grinding machine capable of conveniently clamping workpieces for machining. And the clamping mechanism comprises two electric telescopic rods oppositely and fixedly installed at the lower end in the numerical control bed, a containing plate is fixedly installed at the output ends of the two electric telescopic rods, and driving assemblies are fixedly installed at the two ends of the numerical control bed. The two multi-stage electric push rods are started, so that the two clamping plates are close to the two ends of a workpiece respectively until the two clamping plates make contact with the two ends of the workpiece and abut against the two ends of the workpiece, when the pressure value sensed by the pressure sensor reaches a set value, a signal is transmitted to the PLC control system, the multi-stage electric push rods are closed through the PLC control system, and therefore the workpiece is clamped and fixed. Clamping is convenient and fast, manual clamping is not needed, the working efficiency can be improved, and the situation that the workpiece is deformed due to the fact that the workpiece clamping force is too large can be avoided through a pressure sensor.

Description

Technical Field

[0001] The utility model belongs to the technical field of numerical control grinding machine devices, in particular to a numerical control grinding machine which is convenient for clamping workpieces for processing. Background Art

[0002] CNC grinders are machine tools that use abrasive tools to grind the surface of workpieces. Most grinders use high-speed rotating grinding wheels for grinding, and a few use other abrasive tools such as oilstones and abrasive belts and free abrasives for processing, such as honing machines, superfinishing machines, belt grinders, grinders and polishing machines. CNC grinders include CNC surface grinders, CNC centerless grinders, CNC internal and external cylindrical grinders, CNC vertical universal grinders, CNC coordinate grinders, CNC forming grinders, etc.

[0003] In the Chinese patent with publication number CN219310963U, a CNC grinder which is convenient for clamping workpieces for processing is mentioned. The utility model has two sets of motor reduction mechanisms with a fixed plate welded on the inner side of each power output shaft. By starting the two sets of motor reduction mechanisms, the workpiece will be driven to rotate forward or backward through the fixed plate, making it convenient for the grinding head of the electric grinder to grind the corresponding surface of the workpiece.

[0004] However, when the device fixes the workpiece, the two fixing plates will press against the two ends of the workpiece, and the two fixing plates need to be driven to rotate by two motor reducers respectively. When the two motor reducers cannot rotate synchronously, a certain torsional force will be caused, causing certain damage to the workpiece and affecting the quality of the workpiece. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a CNC grinder which is convenient for clamping workpieces for processing, so as to solve the above problems.

[0006] A CNC grinding machine for conveniently clamping a workpiece for processing, comprising:

[0007] The main mechanism includes a CNC machine tool;

[0008] The clamping mechanism comprises two electric telescopic rods relatively fixedly installed at the lower end of the inside of the CNC bed, the output ends of the two electric telescopic rods are fixedly installed with placement plates, and the two ends of the CNC bed are fixedly installed with driving components.

[0009] Preferably, the main mechanism also includes longitudinal sliding components respectively fixedly installed on both sides of the CNC bed, a transverse sliding component is slidably installed between the two longitudinal sliding components, the outer surface of the transverse sliding component is slidably connected with a guide groove, a telescopic cylinder is fixedly installed on the upper end of the guide groove, the output end of the telescopic cylinder passes through the guide groove, and a grinder is fixedly installed on the end thereof, and the grinder is slidably connected to the guide groove.

[0010] Preferably, the clamping mechanism further comprises a driving motor fixedly mounted on one side of the placement plate, a threaded rod is rotatably mounted inside the placement plate, and an output end of the driving motor passes through the placement plate and is fixedly connected to the threaded rod via a coupling.

[0011] Preferably, a sliding plate is installed inside the placement plate for relative sliding, threaded rings are fixedly penetrated inside the two sliding plates, the two threaded rings are threadedly connected to the threaded rod, and correction plates are fixedly installed on the upper ends of the two sliding plates.

[0012] Preferably, the driving assembly includes a double-headed motor fixedly installed at the lower end of the interior of the CNC bed, and rotating shafts are fixedly installed at both ends of the double-headed motor through couplings, and the two rotating shafts are respectively rotatably connected to the two sides inside the CNC bed, and first pulleys are rotatably installed on both sides of the CNC bed, and the two first pulleys are respectively fixedly connected to the two rotating shafts, and transmission belts are rotatably installed on the outer surfaces of the two first pulleys, and second pulleys are rotatably installed inside the two transmission belts, and two fixed plates are relatively fixedly installed on the upper end of the CNC bed, and the two second pulleys are respectively rotatably connected to the two fixed plates, and rotating shafts are rotatably installed inside the two fixed plates, and the two rotating shafts are respectively fixedly connected to the two second pulleys.

[0013] Preferably, the front ends of the two rotating shafts are fixedly installed with fixed frames, multi-stage electric push rods are fixedly installed inside the two fixed frames, clamps are fixedly installed at the output ends of the two multi-stage electric push rods, and pressure sensors are installed at the front ends of the two clamps.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model starts a double-headed motor to drive the rotating shafts at both ends to rotate at the same time, and then drives the first pulley, the transmission belt and the second pulley at both ends to make the rotating shafts at both ends rotate at the same time, and then drives the two fixed frames to rotate at the same time, and further the clamping plates on both sides rotate synchronously to drive the workpiece to rotate, and turn the workpiece over to facilitate grinding different surfaces of the workpiece. By setting a driving source, the clamping plates at both ends of the workpiece can rotate synchronously, and then it can be avoided that two driving sources drive the two clamping plates to rotate separately, and further it can be avoided that the clamping plates at both ends rotate asynchronously, causing the workpiece to twist and deform, affecting the quality of the workpiece.

[0016] 2. The utility model starts two multi-stage electric push rods to make the two clamping plates approach the two ends of the workpiece until they are in contact, and the two ends of the workpiece are pressed against each other. When the pressure value sensed by the pressure sensor reaches the set value, the signal is transmitted to the PLC control system, and the PLC control system closes the multi-stage electric push rods, thereby clamping and fixing the workpiece. The clamping is convenient and quick, and does not require manual clamping, which can improve work efficiency. The pressure sensor can also prevent the workpiece from being clamped too hard, causing deformation of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model from a third viewing angle;

[0020] Figure 4 This is a schematic diagram of the structure of the utility model from a fourth viewing angle;

[0021] Figure 5 It is a partial structural schematic diagram of the clamping mechanism of the utility model.

[0022] In the figure:

[0023] 100. Main body; 101. CNC machine; 102. Longitudinal sliding assembly; 103. Transverse sliding assembly; 104. Guide groove; 105. Telescopic cylinder; 106. Grinder; 200. Clamping mechanism; 201. Electric telescopic rod; 202. Placement plate; 203. Driving motor; 204. Threaded rod; 205. Sliding plate; 206. Correction plate; 207. Double-headed motor; 208. Rotating shaft; 209. First pulley; 210. Transmission belt; 211. Second pulley; 212. Fixed plate; 213. Rotating shaft; 214. Fixed frame; 215. Multi-stage electric push rod; 216. Clamp; 217. Pressure sensor. DETAILED DESCRIPTION

[0024] 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. It should be pointed out that the drawings are schematic and not drawn to scale. For the sake of clarity and convenience in the figures, the relative sizes and proportions of the parts shown in the figures are exaggerated or reduced in size, and any size is only exemplary and not restrictive.

[0025] As attached Figure 1 To Attachment Figure 5 As shown:

[0026] Embodiment 1: The utility model provides a CNC grinding machine for conveniently clamping workpieces for processing, including a main body mechanism 100 , which includes a CNC bed 101 .

[0027] The main body mechanism 100 also includes longitudinal sliding assemblies 102 respectively fixedly installed on both sides of the CNC bed 101, a transverse sliding assembly 103 is slidably installed between the two longitudinal sliding assemblies 102, a guide groove 104 is slidably connected to the outer surface of the transverse sliding assembly 103, a telescopic cylinder 105 is fixedly installed on the upper end of the guide groove 104, the output end of the telescopic cylinder 105 passes through the guide groove 104, and a grinder 106 is fixedly installed at the end thereof, and the grinder 106 is slidably connected to the guide groove 104.

[0028] As can be seen from the above, the workpiece is fixed by the clamping mechanism 200, the CNC grinder is controlled by the PLC controller, and the longitudinal sliding assembly 102, the transverse sliding assembly 103 and the telescopic cylinder 105 are used to realize the movement of the grinder 106 in the X-axis, Y-axis and Z-axis directions, thereby facilitating the grinding of the workpiece.

[0029] Embodiment 2: This is the second embodiment of the utility model, including a clamping mechanism 200, which includes two electric telescopic rods 201 relatively fixedly installed at the lower end of the inside of the CNC bed 101, and a placement plate 202 is fixedly installed at the output end of the two electric telescopic rods 201, and a driving assembly is fixedly installed at both ends of the CNC bed 101.

[0030] The clamping mechanism 200 also includes a driving motor 203 fixedly mounted on one side of the placement plate 202. A threaded rod 204 is rotatably mounted inside the placement plate 202. The output end of the driving motor 203 passes through the placement plate 202 and is fixedly connected to the threaded rod 204 via a coupling.

[0031] A sliding plate 205 is relatively slidably installed inside the placement plate 202 , and threaded rings are fixedly penetrated inside the two sliding plates 205 . The two threaded rings are threadedly connected to the threaded rod 204 , and a correction plate 206 is fixedly installed on the upper ends of the two sliding plates 205 .

[0032] The driving assembly includes a double-headed motor 207 fixedly installed at the lower end of the CNC bed 101, and rotating shafts 208 are fixedly installed at both ends of the double-headed motor 207 through couplings. The two rotating shafts 208 are respectively rotatably connected to the two sides inside the CNC bed 101, and first pulleys 209 are rotatably installed on both sides of the CNC bed 101. The two first pulleys 209 are respectively fixedly connected to the two rotating shafts 208. A transmission belt 210 is rotatably installed on the outer surfaces of the two first pulleys 209, and a second pulley 211 is rotatably installed inside the two transmission belts 210. Two fixed plates 212 are relatively fixedly installed on the upper end of the CNC bed 101, and the two second pulleys 211 are respectively rotatably connected to the two fixed plates 212. Rotating shafts 213 are rotatably installed inside the two fixed plates 212, and the two rotating shafts 213 are respectively fixedly connected to the two second pulleys 211.

[0033] A fixed frame 214 is fixedly installed at the front end of the two rotating shafts 213, and a multi-stage electric push rod 215 is fixedly installed inside the two fixed frames 214. A clamping plate 216 is fixedly installed at the output end of the two multi-stage electric push rods 215, and a pressure sensor 217 is installed at the front end of the two clamping plates 216.

[0034] As can be seen from the above, when fixing the workpiece, first place the workpiece on the placement plate 202, and start the drive motor 203 through the PLC controller to drive the threaded rod 204 to rotate, so that the threaded rod 204 can engage with the two threaded rings at the same time, and then the two sliding plates 205 are approached to each other, and then the two correction plates 206 are gradually approached to the workpiece and then pushed to make the workpiece in the center position, and then reverse the drive motor 203 to restore the correction plate 206 to its original position for the next use.

[0035] By starting the electric telescopic rod 201 to push the placement plate 202 upward, the workpiece can be pushed between the two clamping plates 216, which is convenient for clamping and fixing the workpiece. First, the two multi-stage electric push rods 215 are started at the same time, so that the two clamping plates 216 are respectively close to the two ends of the workpiece until they are in contact, and the two ends of the workpiece are pressed against each other. When the pressure value sensed by the pressure sensor 217 reaches the set value, the signal is transmitted to the PLC control system, and the PLC control system closes the multi-stage electric push rod 215, so that the workpiece is clamped and fixed. The clamping is convenient and fast, and no manual clamping is required, which can improve work efficiency. The pressure sensor 217 can avoid excessive clamping force on the workpiece, which causes deformation of the workpiece. After the workpiece is fixed, the electric telescopic rod 201 is started to retract, driving the placement plate 202 to descend, so that the placement plate 202 does not hinder the flipping of the workpiece.

[0036] When the workpiece needs to be flipped, the double-headed motor 207 is started to drive the rotating shafts 208 at both ends to rotate at the same time, and then the first pulley 209, the transmission belt 210 and the second pulley 211 at both ends are driven to transmit, so that the rotating shafts 213 at both ends are rotated at the same time, and then the two fixed frames 214 are driven to rotate at the same time, and further, the clamping plates 216 on both sides rotate synchronously to drive the workpiece to rotate, and the workpiece is turned over to facilitate the grinding of different surfaces of the workpiece. By setting a driving source, the clamping plates 216 at both ends of the workpiece can rotate synchronously, and then it can be avoided that two driving sources are set to respectively drive the two clamping plates 216 to rotate, and it can further be avoided that the clamping plates 216 at both ends rotate asynchronously, causing the workpiece to twist and deform, thereby affecting the quality of the workpiece.

[0037] The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0038] In the description of the present utility model, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. The meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0042] In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

[0043] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A CNC grinding machine that is convenient for clamping workpieces for processing, characterized in that: include: A main body mechanism (100), comprising a numerically controlled machine tool (101); The clamping mechanism (200) comprises two electric telescopic rods (201) relatively fixedly mounted at the lower end of the interior of a numerically controlled bed (101), a placement plate (202) being fixedly mounted at the output ends of the two electric telescopic rods (201), and drive components being fixedly mounted at both ends of the numerically controlled bed (101).

2. A CNC grinding machine for conveniently clamping workpieces for processing as claimed in claim 1, characterized in that: The main body mechanism (100) further comprises longitudinal sliding assemblies (102) respectively fixedly mounted on both sides of the numerical control bed (101); a transverse sliding assembly (103) is slidably mounted between the two longitudinal sliding assemblies (102); a guide groove (104) is slidably connected to the outer surface of the transverse sliding assembly (103); a telescopic cylinder (105) is fixedly mounted on the upper end of the guide groove (104); an output end of the telescopic cylinder (105) passes through the guide groove (104), and a grinder (106) is fixedly mounted on the end of the telescopic cylinder (105); and the grinder (106) is slidably connected to the guide groove (104).

3. A CNC grinding machine for conveniently clamping workpieces for processing as claimed in claim 1, characterized in that: The clamping mechanism (200) further comprises a driving motor (203) fixedly mounted on one side of the placement plate (202); a threaded rod (204) is rotatably mounted inside the placement plate (202); an output end of the driving motor (203) passes through the placement plate (202) and is fixedly connected to the threaded rod (204) via a coupling.

4. A CNC grinding machine for conveniently clamping workpieces for processing as claimed in claim 3, characterized in that: A sliding plate (205) is relatively slidably installed inside the placement plate (202), and threaded rings are fixedly inserted inside the two sliding plates (205). The two threaded rings are threadedly connected to the threaded rod (204), and a correction plate (206) is fixedly installed on the upper ends of the two sliding plates (205).

5. A CNC grinding machine for conveniently clamping workpieces for processing as claimed in claim 1, characterized in that: The driving assembly comprises a double-headed motor (207) fixedly mounted at the lower end of the CNC machine (101), a rotating shaft (208) fixedly mounted at both ends of the double-headed motor (207) via a coupling, the two rotating shafts (208) being rotatably connected to the two sides of the CNC machine (101), a first belt pulley (209) being rotatably mounted on both sides of the CNC machine (101), the two first belt pulleys (209) being fixedly connected to the two rotating shafts (208), the two first belt pulleys (209) being rotatably mounted on both sides of the CNC machine (101), ) are rotatably mounted on the outer surface of each of the two transmission belts (210), and a second pulley (211) is rotatably mounted inside each of the two transmission belts (210). Two fixed plates (212) are relatively fixedly mounted on the upper end of the CNC machine (101), and the two second pulleys (211) are rotatably connected to the two fixed plates (212), and a rotating shaft (213) is rotatably mounted inside each of the two fixed plates (212), and the two rotating shafts (213) are respectively fixedly connected to the two second pulleys (211).

6. A CNC grinding machine for conveniently clamping workpieces for machining as claimed in claim 5, characterized in that: A fixing frame (214) is fixedly installed at the front end of the two rotating shafts (213), a multi-stage electric push rod (215) is fixedly installed inside the two fixing frames (214), a clamping plate (216) is fixedly installed at the output end of the two multi-stage electric push rods (215), and a pressure sensor (217) is installed at the front end of the two clamping plates (216).

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