CN217860522U - Numerical control grinding machine for machining metal workpieces - Google Patents

Abstract

The utility model discloses a numerically controlled grinding machine for processing metal workpieces, which comprises a support base and a grinding assembly. Two groups of clamping blocks are arranged on the top of the support base, and a Slidingly connected sliding seat, the top of the sliding seat is fixedly connected with a fixed plate, the front end surface of the fixed plate is provided with a connecting block, and the front end of the connecting block is rotatably connected with an L-shaped mounting block through a rotating shaft. The left side of the block and the L-shaped mounting block is provided with a drive assembly, and the front end of the L-shaped mounting block is provided with a grinding assembly; the utility model relates to the technical field of numerical control grinding machines. The CNC grinding machine for processing metal workpieces, through the positioning mechanism provided, makes the bottom of the limit rod engage with the driven gear, thereby completing the limit of the driven gear and preventing the drive gear from being connected to the driven gear during the grinding process. There is a phenomenon in the gear, which causes the deviation of the grinding angle of the grinding component, which makes the grinding fail.

Description

A CNC grinding machine for machining metal workpieces

technical field

The utility model relates to the technical field of numerical control grinding machines, in particular to a numerical control grinding machine for processing metal workpieces.

Background technique

A CNC grinding machine is a machine tool that uses abrasive tools to grind the surface of a workpiece through numerical control technology. Most grinding machines use high-speed rotating grinding wheels for grinding, and a few use other abrasive tools such as oil stones and abrasive belts and free abrasives for processing, such as honing machines, superfinishing machine tools, abrasive belt grinders, grinding machines and polishing machine etc. CNC grinding machines include CNC surface grinders, CNC centerless grinders, CNC internal and external cylindrical grinders, CNC vertical universal grinders, CNC coordinate grinders, CNC forming grinders and so on.

However, in the prior art, the publication (announcement) number: CN212947111U, the publication (announcement) date: 2021-04-13, discloses a multifunctional numerically controlled grinding machine, including a stand and a moving assembly; the stand: the surface is provided with an impurity removal assembly; Mobile assembly: including a guide groove, a chute, a screw rod, a slider, a first motor, a vertical plate and a guide block. The screw rod is rotatably connected in the chute, the slider is threadedly connected to the screw rod through the threaded hole in the middle and is slidably matched with the chute, the first motor is arranged on the side of the frame plate, and the output shaft of the first motor It is fixedly connected with one end of the screw rod, the guide block is slidably connected in the guide groove, the slider is fixedly connected with the guide block, the vertical plate is arranged on the guide block, and a lifting component is arranged on the vertical plate, and the lifting component is There is an adjustment assembly, and the adjustment assembly is equipped with a grinding assembly. This multifunctional CNC grinding machine has many functions, such as adjusting the angle of the grinding wheel, changing the grinding angle, and can automatically remove impurities, which is more practical; but the During the use of the device, after the output shaft of the second motor stops rotating, because the external force factor of the grinding assembly is transmitted to the main gear and the auxiliary gear, it is easy to cause its rotation, which in turn causes the rotation angle of the grinding assembly to shift, which ultimately affects The stability of the grinding assembly grinding the metal workpiece, resulting in grinding failure.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a numerical control grinding machine for processing metal workpieces, which solves the problem that the external force of the grinding assembly is transmitted to the main gear and the auxiliary gear when the existing numerical control grinding machine is in use. It is easy to cause its rotation, thereby causing the rotation angle of the grinding assembly to shift, and finally affecting the stability of the grinding assembly for grinding the metal workpiece, thereby causing the problem of grinding failure.

In order to achieve the above purpose, the utility model is realized through the following technical solutions: a numerically controlled grinding machine for processing metal workpieces, including a support base and a grinding assembly, two groups of clamping blocks are arranged on the top of the support base, and the clamps The rear of the holding block is provided with a sliding seat that is slidably connected to the top of the support seat. The top of the sliding seat is fixedly connected with a fixed plate. The front end surface of the fixed plate is provided with a connecting block. An L-shaped mounting block is connected, a drive assembly is provided on the left side of the connecting block and the L-shaped mounting block, and a grinding assembly is provided at the front end of the L-shaped mounting block; the positioning mechanism includes a A hydraulic telescopic cylinder, the output end of the hydraulic telescopic cylinder is fixedly connected with a push block, and the other end of the push block is fixedly connected with a push rod and a wedge block, and the bottom of the wedge block near one end of the hydraulic telescopic cylinder is fixedly connected with a limit block, the left end surface of the connecting block is fixedly connected with positioning blocks perpendicular to each other, the inside of the positioning block is provided with a groove, and a symmetrical sliding rod is fixedly connected in the groove, and the sliding connection on the symmetrical sliding rod There is a linkage block, one end of the linkage block is fixedly connected with a connecting block, the bottom of the positioning block is provided with a through groove for the sliding of the connecting block, the other end of the connecting block is fixedly connected with a limit rod, and the sliding rod A return spring is sheathed on the outer surface of the circumference, and the return spring is located below the linkage block, and the push rod and the wedge block correspond to the two limit rods respectively.

Preferably, the top rear end of the support seat is provided with a chute, and a screw rod is connected to the chute through a bearing for rotation, and a forward and reverse drive motor is installed on the left end of the support base, and the forward and reverse drive motor The output end is fixedly connected with one end of the screw rod.

Preferably, the middle part of the top of the support seat is provided with a clamping groove, and a threaded rod is rotatably connected to the clamping groove through a bearing. The left end of the threaded rod passes through the support seat and is fixedly connected with a rotating disk. The upper threaded connection has symmetrical sliders.

Preferably, the top of the slider is fixedly connected to the bottom of the clamping block, and positioning bolts are provided at both ends of the top of the clamping block.

Preferably, an electric cylinder is fixedly installed on the top of the inner cavity on the front end surface of the fixed plate, and the output end of the electric cylinder is fixedly connected with a moving block, and the moving block is located in the inner cavity and is slidably connected with the fixed plate.

Preferably, the drive assembly includes a servo motor installed on the top left side of the connection block, the output end of the servo motor is fixedly connected with a driving gear, one side of the driving gear is meshed with a driven gear, and the driven gear is connected to the driven gear. One end of the driving gear is fixedly connected to the rotating shaft on one side of the L-shaped mounting block, and the positions of the driving gear and the driven gear correspond to the positions of the two limit rods respectively.

Beneficial effect

The utility model provides a numerical control grinding machine for processing metal workpieces. Compared with the prior art, it has the following beneficial effects:

(1), the CNC grinding machine for processing metal workpieces, by placing the metal workpieces between two sets of clamping blocks, and setting the rotating disc to drive the threaded rods to rotate, the threaded rods can drive the two sets of sliders to approach each other to the metal workpieces Clamping is carried out, and then the clamping block can be fixed on the upper surface of the support seat through the positioning bolts, so as to prevent the clamping of the metal workpiece from loosening during the grinding process.

(2) The CNC grinding machine used for processing metal workpieces uses the rotation of the forward and reverse drive motor to drive the screw to rotate, and then drives the sliding seat to slide linearly under the action of the chute, and then drives the fixed plate to move linearly, realizing The horizontal movement of the grinding component, secondly, use the lifting of the electric cylinder to drive the moving block up and down, and then drive the grinding component up and down to realize the adjustment of the height of the grinding component. Using the rotation of the servo motor, through the meshing of the driving gear and the driven gear, it can be realized The rotation of the rotating shaft then drives the rotation of the L-shaped mounting block to realize the adjustment of the angle of the grinding assembly.

(3) The CNC grinding machine used for processing metal workpieces drives the push block to move to the side of the driving gear by opening the hydraulic telescopic cylinder, the push block can push the push rod and the wedge block to move to the side of the drive gear, and the push rod can push the horizontal The limit rod of the drive gear moves to one side of the driving gear until one end of the horizontal limit rod can be clamped with one end of the drive gear, thereby completing the limit of the drive gear. At the same time, when the wedge block moves, it can drive the longitudinal limit The position rod moves downward, so that the bottom of the limit rod is clamped with the driven gear, thereby completing the limit of the driven gear, preventing the phenomenon of the driving gear and the driven gear during the grinding process, resulting in the grinding angle of the grinding assembly The offset makes the grinding fail, which solves the problem of the existing CNC grinding machine, because the external force factor of the grinding component is transmitted to the main gear and the secondary gear when it is used, it is easy to cause its rotation, and then the rotation angle of the grinding component is shifted , ultimately affecting the stability of the grinding assembly for grinding the metal workpiece, thereby causing the problem of grinding failure.

Description of drawings

Fig. 1 is the external structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of driving assembly in the utility model;

FIG. 3 is an enlarged view of A in FIG. 2 .

In the figure: 1. Support seat; 2. Clamping block; 3. Sliding seat; 4. Fixing plate; 5. Connecting block; 6. L-shaped mounting block; 7. Driving component; 8. Positioning mechanism; 9. Grinding component ; 101, chute; 102, forward and reverse drive motor; 103, screw mandrel; 201, clamping groove; 202, threaded rod; 203, slide block; 204, rotating disk; 205, positioning bolt; ; 402, moving block; 701, servo motor; 702, driving gear; 703, driven gear; 801, hydraulic telescopic cylinder; 802, pushing block; 803, pushing rod; 804, wedge block; , positioning block; 807, slide bar; 808, linkage block; 809, limit lever; 810, back-moving spring; 811, connecting block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a CNC grinding machine for processing metal workpieces, including a support base 1, a grinding assembly 9, the grinding assembly 9 includes a grinding motor and a grinding wheel, and the support base 1 Two sets of clamping blocks 2 are arranged on the top of the top, and the rear of the clamping block 2 is provided with a sliding seat 3 that is slidingly connected to the top of the support seat 1. The top of the sliding seat 3 is fixedly connected with a fixed plate 4, and the front surface of the fixed plate 4 is set There is a connecting block 5, the front end of the connecting block 5 is connected with an L-shaped mounting block 6 through a rotating shaft, the left side of the connecting block 5 and the L-shaped mounting block 6 is provided with a drive assembly 7, and the front end of the L-shaped mounting block 6 is provided with a grinding Component 9; the positioning mechanism 8 includes a hydraulic telescopic cylinder 801 installed on the left side of the connection block 5, the output end of the hydraulic telescopic cylinder 801 is fixedly connected with a push block 802, and the other end of the push block 802 is fixedly connected with a push rod 803 and a wedge-shaped Block 804, the bottom of one end of the wedge block 804 close to the hydraulic telescopic cylinder 801 is fixedly connected with the limit block 805, the left end surface of the connecting block 5 is fixedly connected with a positioning block 806 perpendicular to each other, and the inside of the positioning block 806 is provided with a groove, and the concave A symmetrical slide bar 807 is fixedly connected in the groove, and a linkage block 808 is slidably connected to the symmetrical slide bar 807. One end of the linkage block 808 is fixedly connected with a connecting block 811, and the bottom of the positioning block 806 is provided with a through groove for the sliding of the connecting block 811. , the other end of the connecting block 811 is fixedly connected to the limiting rod 809, and the outer circumferential surface of the sliding rod 807 is provided with a return spring 810, and the return spring 810 is located below the linkage block 808, and the push rod 803 and the wedge block 804 are respectively connected with two The limit rods 809 correspond to each other. In this embodiment, when the wedge-shaped block 804 contacts the limit block 805 with the limit rod 809 in the process of moving, the hydraulic telescopic cylinder 801 stops working, and the limit rod 809 can be just in contact with the driving gear. 702 and the driven gear 703 are clamped, and by setting the limit block 805, the top of the limit rod 809 can be limited to prevent the limit rod 809 from disengaging.

The top rear end of the support base 1 is provided with a chute 101, and a screw mandrel 103 is connected to the chute 101 through bearing rotation. The left end of the support base 1 is equipped with a forward and reverse drive motor 102. One end of the screw mandrel 103 is fixedly connected. In the present embodiment, the screw mandrel 103 can be driven to rotate by turning on the positive and negative drive motor 102, so that the screw mandrel 103 can drive the sliding seat 3 to move left and right, so that the position of the grinding assembly 9 can be adjusted. Mobile, more convenient for grinding operations.

The middle part of the top of the support base 1 is provided with a clamping groove 201, and a threaded rod 202 is rotatably connected to the clamping groove 201 through a bearing. There are symmetrical sliders 203. In this embodiment, by setting the rotating disk 204 to drive the threaded rod 202 to rotate, the threaded rod 202 can drive the two groups of sliders 203 to approach or move away from each other, thereby driving the two groups of clamping blocks 2 to approach each other or stay away.

The top of the slider 203 is fixedly connected to the bottom of the clamping block 2, and the two ends of the top of the clamping block 2 are provided with positioning bolts 205. In this embodiment, the clamping block 2 can be fixed on the support base 1 through the positioning bolts 205. of the upper surface.

An electric cylinder 401 is fixedly installed on the top of the inner cavity of the front end surface of the fixed plate 4, and the output end of the electric cylinder 401 is fixedly connected with a moving block 402, which is located in the inner cavity and is slidably connected with the fixed plate 4. In this embodiment , by opening the electric cylinder cylinder 401, its output end can be stretched, thereby driving the moving block 402 to move up and down, thereby driving the connecting block 5, the L-shaped mounting block 6, and the grinding assembly 9 to move up and down.

Drive assembly 7 comprises the servomotor 701 that is installed on the left side top of connection block 5, and the output end of servomotor 701 is fixedly connected with driving gear 702, and one side of driving gear 702 is meshed with driven gear 703, and the driven gear 703 One end is fixedly connected to the rotating shaft on one side of the L-shaped mounting block 6, and the positions of the driving gear 702 and the driven gear 703 are respectively corresponding to the positions of the two limit rods 809. In this embodiment, by turning on the servo motor 701, the Drive the driving gear 702 to rotate, the driving gear 702 drives the driven gear 703 to rotate, and the driven gear 703 drives the rotating shaft and the L-shaped mounting block 6 to rotate, so that the grinding assembly 9 can be driven to adjust the angle.

At the same time, the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

During work, by placing the metal workpiece between the two groups of clamping blocks 2, and by setting the rotating disk 204 to drive the threaded rod 202 to rotate, the threaded rod 202 can drive the two groups of sliders 203 to approach each other to clamp the metal workpiece, and then pass The positioning bolt 205 can fix the clamping block 2 on the upper surface of the support base 1 to prevent loosening of the clamping of the metal workpiece during the grinding process. Under the action of the groove 101, the sliding seat 3 is driven to slide linearly, and then the fixed plate 4 is driven to move linearly, so as to realize the horizontal movement of the grinding assembly 9. Secondly, the lifting of the electric cylinder 401 is used to drive the moving block 402 up and down, and then the grinding assembly 9 is driven up and down. , realize the adjustment of the height of the grinding assembly 9, use the rotation of the servo motor 701, and through the meshing of the driving gear 702 and the driven gear 703, the rotation of the rotating shaft can be realized, and then the L-shaped mounting block 6 is driven to rotate to realize the angle adjustment of the grinding assembly 9 Adjustment, after the angle adjustment is completed, open the hydraulic telescopic cylinder 801 to drive the push block 802 to move to the side of the driving gear 702, the push block 802 can push the push rod 803, the wedge block 804 to move to the side of the drive gear 702, and the push rod 803 can push the horizontal The limiting rod 809 moves to the side of the driving gear 702 until one end of the lateral limiting rod 809 can be engaged with one end of the driving gear 702, thereby completing the limiting of the driving gear 702, while the wedge block 804 is moving , can drive the longitudinal limit rod 809 to move downward, so that the bottom of the limit rod 809 is clamped with the driven gear 703, thereby completing the limit of the driven gear 703, and the limit rod 809 moves to the driving gear 702, While the driven gear 703 moves, the limit rod 809 can drive the connecting block 811 and the linkage block 808 to move and compress the return spring 810. When it is necessary to release the limit to the driving gear 702 and the driven gear 703, the hydraulic telescopic cylinder 801 shrinks to drive Push block 802 moves to the other side, thereby can drive push rod 803 and wedge-shaped block 804 to separate from limit rod 809, then drive linkage block 808, connecting block 811 limit rod 809 to reset by return spring 810, thereby release The limitation of the driving gear 702 and the driven gear 703, in summary, achieves the purpose of limiting the gear, and uses the grinding assembly 9 to realize the grinding of metal workpieces. The above is a kind of numerical control for processing metal workpieces. How a grinder works.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a numerically control grinder for processing metal work piece, includes supporting seat (1), subassembly (9) of polishing, its characterized in that: the supporting seat is characterized in that two groups of clamping blocks (2) are arranged at the top of the supporting seat (1), a sliding seat (3) which is in sliding connection with the top of the supporting seat (1) is arranged behind the clamping blocks (2), a fixing plate (4) is fixedly connected to the top of the sliding seat (3), a connecting block (5) is arranged on the surface of the front end of the fixing plate (4), an L-shaped mounting block (6) is rotatably connected to the front end of the connecting block (5) through a rotating shaft, a driving assembly (7) is arranged on the left sides of the connecting block (5) and the L-shaped mounting block (6), and a polishing assembly (9) is arranged at the front end of the L-shaped mounting block (6);

positioning mechanism (8) are including installing hydraulic telescoping cylinder (801) at connecting block (5) left side terminal surface, the output fixedly connected with of hydraulic telescoping cylinder (801) promotes piece (802), the other end difference fixedly connected with catch bar (803) and wedge (804) of promotion piece (802), be close to hydraulic telescoping cylinder (801) one end bottom fixedly connected with stopper (805) of wedge (804), the left side terminal surface fixedly connected with mutually perpendicular's of connecting block (5) locating piece (806), the inside of locating piece (806) is seted up flutedly, and the slide bar (807) of fixedly connected with symmetry in the recess sliding connection has linkage piece (808) on slide bar (807), the one end fixedly connected with of linkage piece (808) links piece (811), the gliding logical groove that supplies to link piece (811) has been seted up to the bottom of locating piece (806), the other end fixedly connected with gag lever (809) of link piece (811), the circumference surface cover of slide bar (807) is equipped with reset spring (810), and reset spring (810) are located the below of linkage piece (811), catch bar (803) and two gag lever pieces (804) correspond to each other end fixedly connected with stopper (809), two gag lever pieces (809) respectively.

2. A numerically controlled grinding machine for machining metal workpieces as recited in claim 1, wherein: spout (101) have been seted up to the top rear end of supporting seat (1), rotate through the bearing in spout (101) and be connected with lead screw (103), positive and negative rotation driving motor (102) are installed to the left end of supporting seat (1), the output of positive and negative rotation driving motor (102) and the one end fixed connection of lead screw (103).

3. A numerically controlled grinding machine for machining a metal workpiece as claimed in claim 1, wherein: centre gripping groove (201) have been seted up at the top middle part of supporting seat (1), it is connected with threaded rod (202) to rotate through the bearing in centre gripping groove (201), supporting seat (1) and fixedly connected with rolling disc (204) are run through to the left end of threaded rod (202), threaded connection has slider (203) of symmetry on threaded rod (202).

4. A numerically controlled grinding machine for machining metal workpieces as recited in claim 3, wherein: the top of slider (203) and the bottom fixed connection of grip block (2), the top both ends of grip block (2) are provided with positioning bolt (205).

5. A numerically controlled grinding machine for machining metal workpieces as recited in claim 1, wherein: an electric cylinder (401) is fixedly mounted at the top of an inner cavity in the front end surface of the fixing plate (4), a moving block (402) is fixedly connected to the output end of the electric cylinder (401), and the moving block (402) is located in the inner cavity and is in sliding connection with the fixing plate (4).

6. A numerically controlled grinding machine for machining metal workpieces as recited in claim 1, wherein: the driving assembly (7) comprises a servo motor (701) installed at the top of the left side of the connecting block (5), an output end of the servo motor (701) is fixedly connected with a driving gear (702), one side of the driving gear (702) is connected with a driven gear (703) in a meshing transmission mode, one end of the driven gear (703) is fixedly connected with a rotating shaft on one side of the L-shaped installing block (6), and the positions of the driving gear (702) and the driven gear (703) correspond to the positions of the two limiting rods (809) respectively.

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