Needle grinding machine convenient for height adjustment

Abstract

The utility model provides a needle grinding machine convenient for height adjustment. Comprising a base, an adjusting assembly is arranged on the inner side of the base, a limiting assembly is arranged at the top of the adjusting assembly, and a lifting assembly is arranged on the surface of the base. According to the needle grinding machine with the height convenient to adjust, all parts of the needle grinding machine are arranged in a matched mode, so that the needle grinding machine can adjust the distance between the two second sliding seats according to needs, workpieces with different lengths can be conveniently limited by the limiting assembly, the practicability of the needle grinding machine is improved, and the height of the needle grinding machine can be conveniently adjusted through the left-right matching of the limiting assembly. A rotary knob is manually rotated to drive a threaded rod to rotate, so that a lifting block moves upwards on the inner side of a lifting groove, a positioning rod is inserted into the inner sides of positioning holes in the clamping plate and the fixing frame, meanwhile, the top of the fixing frame is attached to the top of the inner side of the mounting frame, and the limiting effect of the device on the workpiece is improved; and probes of different models can be polished conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of needle grinding machines, in particular to a needle grinding machine which is convenient for height adjustment. Background Art

[0002] The needle grinding machine is also called a punching needle grinding machine, a punching needle forming machine, a punching needle former, etc. The needle grinding machine is a machine tool accessory that uses a simple pressing roller structure on a grinder to precisely grind punching needles, ejector pins, etc. The simple pressing roller design of the needle grinding machine makes precision grinding processing more convenient.

[0003] In the related art, needle grinding machines on the market are in use. Some existing needle grinding machines generally position the workpiece by setting an independent T-slot, which is inconvenient for the device to position workpieces of different specifications, greatly reducing the practicability of the device.

[0004] Therefore, it is necessary to provide a needle grinding machine that is easy to adjust in height to solve the above technical problems. Utility Model Content

[0005] The utility model provides a needle grinding machine which is easy to adjust in height, which solves the problem that some existing needle grinding machines on the market generally position the workpiece by setting an independent T-slot, which makes it inconvenient for the device to position workpieces of different specifications, greatly reducing the practicability of the device.

[0006] In order to solve the above technical problems, the utility model provides a needle grinding machine that is easy to adjust in height, comprising: a base, an adjustment component is arranged inside the base, a limit component is arranged on the top of the adjustment component, and a lifting component is arranged on the surface of the base;

[0007] The adjustment assembly includes a bidirectional threaded screw rotatably arranged on the inner side of the base, the surface of the bidirectional threaded screw is threadedly provided with two first sliding seats, the top of each of the first sliding seats is fixedly provided with two sliding blocks, the top of the base is provided with a sliding groove for the sliding blocks to slide left and right, and the tops of the two sliding blocks located on the same side are both fixedly provided with a second sliding seat;

[0008] The limiting assembly includes a mounting frame arranged on the top of the second sliding seat, a threaded rod rotatably arranged on the inner side of the mounting frame, a lifting block threadably arranged on the surface of the threaded rod, a lifting groove for the lifting block to slide up and down is opened on the inner side of the mounting frame, a fixing frame is fixedly installed on the surface of the lifting block, a movable block is slidably arranged on the inner side of the fixing frame near the front and rear sides, a movable rod is fixedly installed on the top of the movable block, the top of the movable rod passes through the inner side of the fixing frame and is fixedly installed with a clamping plate together, an elastic member driving the movable block to descend is arranged on the inner side of the fixing frame and on the outer edge of the movable rod, and two positioning rods are fixedly installed on the inner top of the mounting frame near the front and rear sides.

[0009] Preferably, a support block is fixedly installed on the left side of the base, a drive motor for driving the bidirectional threaded screw to rotate is fixedly installed on the top of the support block, and the surface of the first sliding seat is slidably connected to the inner side of the base.

[0010] Preferably, a knob for driving the threaded rod to rotate is rotatably provided on the top of the mounting frame, and the fixing frame and the side surfaces of the clamping plate are both slidably connected to the inner side wall of the mounting frame.

[0011] Preferably, positioning holes adapted to the positioning rods are provided on the inner sides of the fixing frame and the clamping plate near the front and rear sides, and the adjacent sides of the two mounting frames are both opened.

[0012] Preferably, the lifting assembly includes two auxiliary frames arranged on the surface of the base, two connecting rods are fixedly installed on the top of the auxiliary frames, lifting plates are slidably provided on the outer edges of the connecting rods, and a grinding head is rotatably provided at the bottom of the lifting plate.

[0013] Preferably, a hydraulic rod for driving the grinding head to rise and fall is fixedly installed on the top of the auxiliary frame, a first bevel gear for driving the grinding head to rotate is arranged on the top of the grinding head, a second bevel gear is meshed with one side of the first bevel gear, and a processing motor for driving the second bevel gear to rotate is fixedly installed on the top of the grinding head.

[0014] Compared with the related art, the needle grinding machine with easy height adjustment provided by the utility model has the following beneficial effects:

[0015] The utility model provides a needle grinding machine which is easy to adjust the height. Through the mutual coordination of various parts of the device, the device can adjust the distance between the two second sliding seats as needed, which is convenient for the limit component to limit workpieces of different lengths, thereby increasing the practicability of the device. The left and right sides of the limit component are coordinated to limit the workpiece by the clamping plate and the fixing frame. The knob is manually turned to drive the threaded rod to rotate, so that the lifting block moves upward on the inner side of the lifting groove, and the positioning rod is inserted into the inner side of the positioning hole in the clamping plate and the fixing frame. At the same time, the top of the fixing frame is attached to the inner top of the mounting frame, thereby increasing the limiting effect of the device on the workpiece, and facilitating the grinding of probes of different models. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of a preferred embodiment of a needle grinding machine that is easy to adjust in height provided by the utility model;

[0017] Figure 2 for Figure 1 A schematic structural diagram of a side cross-sectional view of the base shown;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of a side sectional view of the mounting frame shown;

[0019] Figure 4 for Figure 1 A schematic structural diagram of a side view of the lifting assembly is shown.

[0020] Numbers in the figure: 10, base; 20, adjustment assembly; 21, bidirectional threaded screw; 22, first sliding seat; 23, sliding block; 24, sliding groove; 25, second sliding seat; 26, driving motor; 30, limit assembly; 31, mounting frame; 32, threaded rod; 33, lifting block; 34, fixed frame; 35, movable block; 36, movable rod; 37, clamping plate; 38, elastic member; 39, positioning rod; 40, lifting assembly; 41, auxiliary frame; 42, connecting rod; 43, lifting plate; 44, grinding head; 45, hydraulic rod; 46, first bevel gear; 47, second bevel gear; 48, processing motor. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a needle grinding machine that is easy to adjust in height provided by the utility model; Figure 2 for Figure 1 A schematic structural diagram of a side cross-sectional view of the base shown; Figure 3 for Figure 1 A schematic diagram of the structure of a side sectional view of the mounting frame shown; Figure 4 for Figure 1 A needle grinding machine that is easy to adjust in height comprises: a base 10, an adjusting assembly 20 is arranged inside the base 10, a limit assembly 30 is arranged on the top of the adjusting assembly 20, and a lifting assembly 40 is arranged on the surface of the base 10;

[0023] The adjusting assembly 20 includes a bidirectional threaded screw 21 rotatably arranged on the inner side of the base 10, and two first sliding seats 22 are threadedly arranged on the surface of the bidirectional threaded screw 21, and two sliding blocks 23 are fixedly installed on the top of the first sliding seats 22. A sliding groove 24 for the sliding block 23 to slide left and right is opened on the top of the base 10, and a second sliding seat 25 is fixedly installed on the top of the two sliding blocks 23 located on the same side; the driving motor 26 starts to work, driving the bidirectional threaded screw 21 to rotate, driving the two first sliding seats 22 to move in opposite directions on the inner side of the base 10, and the first sliding seat 22 drives the sliding block 23 to slide inside the sliding groove 24, thereby adjusting the distance between the two second sliding seats 25, making it convenient for the limit assembly 30 to limit workpieces of different lengths, thereby increasing the practicality of the device.

[0024] The limiting assembly 30 includes a mounting frame 31 arranged on the top of the second sliding seat 25, a threaded rod 32 is rotatably arranged on the inner side of the mounting frame 31, and a lifting block 33 is threadedly arranged on the surface of the threaded rod 32. A lifting groove for the lifting block 33 to slide up and down is opened on the inner side of the mounting frame 31, and a fixing frame 34 is fixedly installed on the surface of the lifting block 33. A movable block 35 is slidably arranged on the inner side of the fixing frame 34 near the front and rear sides, and a movable rod 36 is fixedly installed on the top of the movable block 35. The top of the movable rod 36 passes through the inner side of the fixing frame 34 and is fixedly installed with a clamping plate 37. An elastic member 38 for driving the movable block 35 to descend is arranged on the inner side of the fixing frame 34 and on the outer edge of the movable rod 36. Two positioning rods 39 are fixedly installed on the inner top of the mounting frame 31 near the front and rear sides.

[0025] When using the device, the staff pulls the clamping plate 37 upwards, and the clamping plate 37 drives the movable rod 36 to move upwards. The movable rod 36 drives the movable block 35 to move and squeezes the elastic member 38 to shrink, and places the workpiece to be polished on the top of the fixed frame 34. The reaction force of the elastic member 38 drives the clamping plate 37 to move downward, so that the clamping plate 37 and the fixed frame 34 limit the workpiece, and manually turns the knob to drive the threaded rod 32 to rotate, so that the lifting block 33 moves upward on the inside of the lifting groove, so that the positioning rod 39 is inserted into the inner side of the positioning hole in the clamping plate 37 and the fixed frame 34. At the same time, the top of the fixed frame 34 fits against the inner top of the mounting frame 31, thereby increasing the limiting effect of the device on the workpiece and facilitating the grinding of probes of different models.

[0026] A support block is fixedly installed on the left side of the base 10 , and a driving motor 26 for driving the bidirectional threaded screw 21 to rotate is fixedly installed on the top of the support block. The surface of the first sliding seat 22 is slidably connected to the inner side of the base 10 .

[0027] A knob for driving the threaded rod 32 to rotate is rotatably provided on the top of the mounting frame 31 , and the sides of the fixing frame 34 and the clamping plate 37 are both slidably connected to the inner side wall of the mounting frame 31 .

[0028] Positioning holes matching the positioning rods 39 are provided on the inner sides of the fixing frame 34 and the clamping plate 37 near the front and rear sides, and the adjacent sides of the two mounting frames 31 are both opened.

[0029] The lifting assembly 40 includes two auxiliary frames 41 arranged on the surface of the base 10. Two connecting rods 42 are fixedly installed on the top of the auxiliary frames 41. A lifting plate 43 is slidably provided on the outer edges of the connecting rods 42. A grinding head 44 is rotatably provided at the bottom of the lifting plate 43.

[0030] A hydraulic rod 45 for driving the grinding head 44 to rise and fall is fixedly installed on the top of the auxiliary frame 41. A first bevel gear 46 for driving the grinding head 44 to rotate is rotatably provided on the top of the grinding head 44. A second bevel gear 47 is meshed with one side of the first bevel gear 46. A processing motor 48 for driving the second bevel gear 47 to rotate is fixedly installed on the top of the grinding head 44.

[0031] The working principle of the needle grinding machine which is easy to adjust in height provided by the utility model is as follows:

[0032] Step 1: The driving motor 26 starts to work, driving the bidirectional threaded screw 21 to rotate, driving the two first sliding seats 22 to move in opposite directions on the inner side of the base 10, and the first sliding seat 22 drives the sliding block 23 to slide inside the sliding groove 24, thereby adjusting the distance between the two second sliding seats 25, making it easier for the limiting assembly 30 to limit workpieces of different lengths, thereby increasing the practicality of the device;

[0033] The second step: when the device is in use, the clamping plate 37 is pulled upward, and the clamping plate 37 drives the movable rod 36 to move upward, and the movable rod 36 drives the movable block 35 to move, and squeezes the elastic member 38 to shrink, and the workpiece to be polished is placed on the top of the fixed frame 34, and the reaction force of the elastic member 38 drives the clamping plate 37 to move downward, so that the clamping plate 37 and the fixed frame 34 limit the workpiece, and the knob is manually turned to drive the threaded rod 32 to rotate, so that the lifting block 33 moves upward on the inside of the lifting groove, so that the positioning rod 39 is inserted into the inner side of the positioning hole in the clamping plate 37 and the fixed frame 34. At the same time, the top of the fixed frame 34 is attached to the top of the inner side of the mounting frame 31, which increases the limiting effect of the device on the workpiece and facilitates the grinding of probes of different models.

[0034] Compared with the related art, the needle grinding machine with easy height adjustment provided by the utility model has the following beneficial effects:

[0035] By cooperating with each other in the arrangement of the various parts of the device, the device can adjust the distance between the two second sliding seats 25 as needed, so that the limit assembly 30 can limit the workpieces of different lengths, thereby increasing the practicability of the device. The left and right sides of the limit assembly 30 are coordinated to limit the workpiece by the clamping plate 37 and the fixing frame 34. The knob is manually turned to drive the threaded rod 32 to rotate, so that the lifting block 33 moves upward on the inner side of the lifting groove, so that the positioning rod 39 is inserted into the inner side of the positioning hole in the clamping plate 37 and the fixing frame 34. At the same time, the top of the fixing frame 34 is attached to the inner top of the mounting frame 31, thereby increasing the limiting effect of the device on the workpiece and facilitating the grinding of probes of different models.

[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A needle grinding machine that is easy to adjust in height, characterized in that: include: A base (10), wherein an adjustment component (20) is arranged inside the base (10), a limit component (30) is arranged on the top of the adjustment component (20), and a lifting component (40) is arranged on the surface of the base (10); The adjusting assembly (20) comprises a bidirectional threaded screw (21) rotatably arranged on the inner side of the base (10); two first sliding seats (22) are threadedly arranged on the surface of the bidirectional threaded screw (21); two sliding blocks (23) are fixedly installed on the top of each of the first sliding seats (22); a sliding groove (24) for allowing the sliding blocks (23) to slide left and right is provided on the top of the base (10); and a second sliding seat (25) is fixedly installed on the top of each of the two sliding blocks (23) located on the same side; The limiting assembly (30) comprises a mounting frame (31) arranged on the top of the second sliding seat (25), a threaded rod (32) is rotatably arranged on the inner side of the mounting frame (31), a lifting block (33) is threadedly arranged on the surface of the threaded rod (32), a lifting groove is opened on the inner side of the mounting frame (31) for the lifting block (33) to slide up and down, a fixing frame (34) is fixedly installed on the surface of the lifting block (33), and the fixing frame (34) has a plurality of inner sides near the front and rear sides. A movable block (35) is slidably arranged, and a movable rod (36) is fixedly installed on the top of the movable block (35). The top of the movable rod (36) passes through the inner side of the fixed frame (34) and is fixedly installed with a clamping plate (37). An elastic member (38) for driving the movable block (35) to descend is arranged on the inner side of the fixed frame (34) and on the outer edge of the movable rod (36). Two positioning rods (39) are fixedly installed on the inner top of the mounting frame (31) near the front and rear sides.

2. The needle grinding machine with easy height adjustment according to claim 1, characterized in that: A support block is fixedly mounted on the left side of the base (10), a driving motor (26) for driving the bidirectional threaded screw (21) to rotate is fixedly mounted on the top of the support block, and the surface of the first sliding seat (22) is slidably connected to the inner side of the base (10).

3. The needle grinding machine with easy height adjustment according to claim 1, characterized in that: A knob for driving the threaded rod (32) to rotate is rotatably provided on the top of the mounting frame (31), and the sides of the fixing frame (34) and the clamping plate (37) are both slidably connected to the inner side wall of the mounting frame (31).

4. The needle grinding machine with easy height adjustment according to claim 1, characterized in that: Positioning holes matching the positioning rod (39) are provided on the inner sides of the fixing frame (34) and the clamping plate (37) near the front and rear sides, and the adjacent sides of the two mounting frames (31) are both opened.

5. The needle grinding machine with easy height adjustment according to claim 1, characterized in that: The lifting assembly (40) comprises two auxiliary frames (41) arranged on the surface of the base (10), two connecting rods (42) are fixedly installed on the top of the auxiliary frames (41), and a lifting plate (43) is slidably arranged on the outer edges of the connecting rods (42), and a grinding head (44) is rotatably arranged at the bottom of the lifting plate (43).

6. The needle grinding machine with easy height adjustment according to claim 5, characterized in that: A hydraulic rod (45) for driving the grinding head (44) to rise and fall is fixedly installed on the top of the auxiliary frame (41); a first bevel gear (46) for driving the grinding head (44) to rotate is rotatably arranged on the top of the grinding head (44); a second bevel gear (47) is meshedly arranged on one side of the first bevel gear (46); and a processing motor (48) for driving the second bevel gear (47) to rotate is fixedly installed on the top of the grinding head (44).

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