Portable tool grinder
By designing a lightweight tool grinder, and employing a motor, grinding wheel shaft, and position adjustment mechanism, the problem of the large size and inconvenience of moving existing grinders has been solved, achieving portability and stability suitable for field operations.
Patent Information
- Application Number
- CN201911283386.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-12-13
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2039-12-13
AI Technical Summary
Existing tool grinders have complex structures, large sizes, and are inconvenient to move and operate in the field.
A lightweight tool grinder was designed, which uses a motor, grinding wheel shaft, position adjustment mechanism and translation mechanism to realize the forward, backward, up and down and left and right movement of the grinding wheel. Combined with the adjustment of the support column and the work platform, the structure is simplified and the size is reduced.
It achieves both portability and stability in tool grinding, making it suitable for field operations, easy to operate, and easy to transport.
Smart Images
Figure CN112975677B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of tool grinder, in particular to a portable tool grinder. BACKGROUND
[0002] The tool grinder has high precision, good rigidity and economy and practicability, and is especially suitable for sharpening various small and medium-sized tools, such as reamer, tap, twist drill, reaming drill, various milling cutter and milling cutter head, gear shaping cutter. With corresponding accessories, the tool grinder can be used to grind outer circle, inner circle and plane, and can also be used to grind sample plate and mold. The existing tool grinder has complex structure and large size, and is inconvenient to move and not suitable for field operation. SUMMARY
[0003] The present application aims at overcoming the shortcomings of the prior art, and provides a portable tool grinder which has small size, light weight, is convenient to carry and suitable for field operation, and has stable work and convenient operation.
[0004] The technical problem is solved by the following solution.
[0005] A portable tool grinder comprises a motor, a motor shaft of the motor is connected with a grinding wheel shaft through spline, a front end of the grinding wheel shaft is fixed with a grinding wheel, the motor is fixed on a motor mounting seat, a first position adjusting mechanism for driving the grinding wheel shaft to move forward and backward is arranged on the motor mounting seat, the motor mounting seat comprises a supporting column body, the supporting column body is inserted into a base, a second position adjusting mechanism for driving the supporting column body to move up and down is arranged on the base; a work platform and a translation mechanism for driving the work platform to move left and right are arranged on the base.
[0006] The motor mounting seat further comprises a supporting plate fixed on an upper end of the supporting column body, a supporting ring is fixed on a front end of the supporting plate, a plurality of circumferentially distributed guide holes are formed in the supporting ring; the motor is fixed on the supporting plate, and the motor shaft penetrates through the supporting ring;
[0007] The first position adjusting mechanism comprises a rear moving seat hinged to a rear end of the grinding wheel shaft and a front moving seat hinged to a front end of the grinding wheel shaft, a plurality of circumferentially distributed first guide rods are fixed on the rear moving seat, a plurality of circumferentially distributed second guide rods are fixed on the front moving seat, the first guide rods and the second guide rods are arranged in an interval staggered manner; rear ends of the first guide rods and the second guide rods are inserted into the guide holes;
[0008] A first screw rod arranged in a front-rear direction is hinged to the front moving seat, a rear end of the first screw rod is screwed with a threaded sleeve, a rear end of the threaded sleeve is fixedly connected with the supporting ring; a front end of the first screw rod is fixed with a first hand wheel.
[0009] A rear end of the second guide rod is formed with an outer wall thread, two first nuts arranged in a front-rear direction are screwed on the outer wall thread, and the two first nuts are respectively pressed against front and rear side walls of the supporting ring.
[0010] The grinding wheel is provided with a grinding wheel cover, and the grinding wheel cover is fixedly connected with the front moving base.
[0011] The support column is internally provided with a limiting guide hole and a threaded through hole which are arranged in parallel in the up-down direction;
[0012] The second moving adjusting mechanism comprises a limiting guide rod which is inserted into the limiting guide hole and a second screw rod which is screwed into the threaded through hole, the lower end of the limiting guide rod is fixed on the base, the lower end of the second screw rod is hingedly connected to the base, and the second screw rod is fixed with a second hand wheel through the lower protruding end of the base.
[0013] An upwardly protruding support sleeve which is matched with the support column is formed on the base, and the lower end of the support column is inserted into the support sleeve.
[0014] A dovetail groove with a left opening is formed on the base.
[0015] The translation mechanism comprises a left sliding block and a right sliding block which are inserted into the dovetail groove, the working platform is fixedly connected with the right sliding block, a third screw rod which extends to the right is hingedly connected to the left sliding block, a second threaded sleeve is screwed to the right end of the third screw rod, and the right end of the second threaded sleeve is fixed on the right sliding block; a third hand wheel is fixed to the middle part of the third screw rod; a locking screw which is vertically arranged is screwed to the left sliding block, and the lower end of the locking screw abuts against the bottom surface of the dovetail groove.
[0016] A plurality of clamp mounting holes are formed on the working platform.
[0017] A plurality of fixing holes are formed on the base.
[0018] The prominent effect of the present application is:
[0019] Compared with the prior art, the present application has the advantages of small size, light weight, convenient carrying, and is suitable for field operation; and the present application has stable work and convenient operation. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The figure is a structural schematic diagram of the present application;
[0021] Figure 2 The figure is a top view of the present application;
[0022] Figure 3 The figure is Figure 2 The figure is a sectional view about A-A;
[0023] Figure 4 The figure is Figure 2 The figure is a sectional view about B-B. DETAILED DESCRIPTION
[0024] The embodiment, such as Figures 1 to 4As shown, a portable tool grinder comprises a motor 1, a motor shaft 11 of the motor 1 is connected with a grinding wheel shaft 2 through spline, a front end of the grinding wheel shaft 2 is fixed with a grinding wheel 3, the motor 1 is fixed on a motor mounting seat 4, the motor mounting seat 4 is provided with a first position adjusting mechanism 5 for driving the grinding wheel shaft 2 to move forward and backward, the motor mounting seat 4 comprises a support column 41, the support column 41 is inserted into a base 6, the base 6 is provided with a second position adjusting mechanism 7 for driving the support column 41 to move up and down, the base 6 is provided with a workbench 8 and a translation mechanism 9 for driving the workbench 8 to move left and right.
[0025] Further, the motor mounting seat 4 further comprises a support plate 42 fixed on the upper end of the support column 41, a support ring 43 is fixed on the front end of the support plate 42, a plurality of circumferentially distributed guide holes 431 are formed on the support ring 43, the motor 1 is fixed on the support plate 42, and the motor shaft 11 penetrates through the support ring 43.
[0026] The first position adjusting mechanism 5 comprises a rear moving seat 51 hinged to the rear end of the grinding wheel shaft 2 and a front moving seat 52 hinged to the front end of the grinding wheel shaft 2, a plurality of circumferentially distributed first guide rods 53 are fixed on the rear moving seat 51, a plurality of circumferentially distributed second guide rods 54 are fixed on the front moving seat 52, the first guide rods 53 and the second guide rods 54 are arranged in an interval staggered manner, and the rear ends of the first guide rods 53 and the second guide rods 54 are inserted into the guide holes 431.
[0027] The front moving seat 52 is hinged with a first screw rod 55 arranged in a front-rear direction, a rear end of the first screw rod 55 is screwed with a threaded sleeve 56, a rear end of the threaded sleeve 56 is fixedly connected with the support ring 43, and a front end of the first screw rod 55 is fixed with a first hand wheel 57.
[0028] Further, a rear end of the second guide rod 54 is formed with an outer wall thread 541, two first nuts 58 arranged in a front-rear direction are screwed on the outer wall thread 541, and the two first nuts 58 are respectively pressed against the front side wall and the rear side wall of the support ring 43.
[0029] Further, the grinding wheel 3 is provided with a grinding wheel cover 10, and the grinding wheel cover 10 is fixedly connected with the front moving seat 52.
[0030] Further, the support column 41 is provided with a limiting guide hole 411 and a threaded through hole 412 arranged in a vertical direction in parallel;
[0031] The second moving adjusting mechanism 7 comprises a limiting guide rod 71 inserted into the limiting guide hole 411 and a second screw rod 72 screwed into the threaded through hole 412, a lower end of the limiting guide rod 71 is fixed on the base 6, a lower end of the second screw rod 72 is hinged on the base 6, and a second hand wheel 73 is fixed on a lower protruding end of the base 6 through the second screw rod 72.
[0032] Further, a support sleeve 61 upwardly protruding and matched with the support column 41 is formed on the base 6, and the lower end of the support column 41 is inserted into the support sleeve 61.
[0033] Further, a dovetail groove 62 with a left opening is formed on the base 6.
[0034] The translation mechanism 9 comprises a left sliding block 91 and a right sliding block 92 inserted into the dovetail groove 62, the working platform 8 is fixedly connected with the right sliding block 92, a third screw rod 93 extending to the right is hinged on the left sliding block 91, a second threaded sleeve 94 is screwed on the right end of the third screw rod 93, and the right end of the second threaded sleeve 94 is fixed on the right sliding block 92; a third hand wheel 96 is fixed on the middle part of the third screw rod 93; a locking screw 95 vertically arranged is screwed on the left sliding block 91, and the lower end of the locking screw 95 abuts against the bottom surface of the dovetail groove 62.
[0035] Further, a plurality of clamp mounting holes 81 are formed on the working platform 8.
[0036] Further, a plurality of fixing holes 63 are formed on the base 6.
[0037] Working principle: first, the workpiece to be processed is fixedly connected with the working platform 8 through the clamp; second, the motor 1 drives the grinding wheel shaft 2 to rotate through the motor shaft 11, and the grinding wheel shaft 2 drives the grinding wheel 3 to rotate for working; third, when the front and back positions of the grinding wheel need to be adjusted, the first screw rod 55 is rotated through the first hand wheel 57, the first screw rod 55 moves forward or backward and drives the front moving seat to move together, the front moving seat drives the grinding wheel to move together, so as to adjust the front and back positions of the grinding wheel, and when the positions are adjusted, the first nut on the second guide rod 54 is tightened to fix the second guide rod 54 and the support ring; fourth, when the up and down positions of the grinding wheel need to be adjusted, the second screw rod 72 is rotated through the second hand wheel 73, the second screw rod 72 drives the support column 41 to move upward or downward, the support column 41 drives the entire motor mounting seat to move upward or downward, and the motor mounting seat drives the grinding wheel to move upward or downward through the motor and the grinding wheel shaft; fifth, the locking screw 95 is loosened, the left sliding block 91 and the right sliding block 92 can quickly slide in the dovetail groove 62, when the sliding distance reaches a certain distance (i.e. the workpiece approaches the grinding wheel), the locking screw 95 is tightened to fix the left sliding block 91, then the third screw rod 93 is rotated through the third hand wheel 96, the third screw rod 93 drives the second threaded sleeve 94 to slowly move to the right, the second threaded sleeve 94 drives the right sliding block to move, and the right sliding block drives the workpiece to move to the grinding wheel through the working platform and the clamp, so as to complete the grinding work of the grinding wheel on the workpiece.
[0038] Finally, the above embodiments are only used for illustrating the present application, and are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, therefore all equivalent technical solutions also belong to the scope of the present application, and the patent protection scope of the present application should be defined by the claims.
Claims
1. A portable tool grinder, comprising a motor (1), characterized in that: The motor shaft (11) of the motor (1) is connected to a grinding wheel shaft (2) via a spline. A grinding wheel (3) is fixed to the front end of the grinding wheel shaft (2). The motor (1) is fixed on a motor mounting base (4). The motor mounting base (4) is provided with a first position adjustment mechanism (5) that drives the grinding wheel shaft (2) to move back and forth. The motor mounting base (4) includes a support column (41), which is inserted into a base (6). The base (6) is provided with a second position adjustment mechanism that drives the support column (41) to move up and down. (7); The base (6) is provided with a working platform (8) and a translation mechanism (9) for driving the working platform (8) to move left and right; The motor mounting base (4) also includes a support plate (42) fixed to the upper end of the support column (41), and a support ring (43) is fixed to the front end of the support plate (42), and a plurality of circumferentially distributed guide holes (431) are formed on the support ring (43); The motor (1) is fixed on the support plate (42), and the motor shaft (11) passes through the support ring (43); The first position adjustment mechanism The structure (5) includes a rear movable seat (51) hinged to the rear end of the grinding wheel shaft (2) and a front movable seat (52) hinged to the front end of the grinding wheel shaft (2). Multiple circumferentially distributed first guide rods (53) are fixed on the rear movable seat (51), and multiple circumferentially distributed second guide rods (54) are fixed on the front movable seat (52). The first guide rods (53) and second guide rods (54) are staggered at intervals. The rear ends of the first guide rods (53) and second guide rods (54) are inserted into guide holes (431). The front movable seat (52) is hinged... There is a first screw (55) arranged in the front and back direction. A threaded sleeve (56) is screwed to the rear end of the first screw (55). The rear end of the threaded sleeve (56) is fixedly connected to the support ring (43). A first handwheel (57) is fixed to the front end of the first screw (55). The rear end of the second guide rod (54) is formed with an outer wall thread (541). Two first nuts (58) arranged in the front and back are screwed onto the outer wall thread (541). The two first nuts (58) are pressed against the front side wall and the rear side wall of the support ring (43) respectively.
2. The portable tool grinder according to claim 1, characterized in that: The grinding wheel (3) is provided with a grinding wheel cover (10), which is fixedly connected to the front moving seat (52).
3. The portable tool grinder according to claim 1, characterized in that: The support column (41) is provided with a limiting guide hole (411) and a threaded through hole (412) arranged in parallel in the vertical direction; the second position adjustment mechanism (7) includes a limiting guide rod (71) inserted in the limiting guide hole (411) and a second screw (72) screwed in the threaded through hole (412). The lower end of the limiting guide rod (71) is fixed on the base (6), and the lower end of the second screw (72) is hinged on the base (6). The second screw (72) is fixed with a second handwheel (73) at the lower protruding end through the base (6).
4. A portable tool grinder according to claim 3, characterized in that: The base (6) has an upwardly protruding support sleeve (61) that cooperates with the support column (41), and the lower end of the support column (41) is inserted into the support sleeve (61).
5. A portable tool grinder according to claim 1, characterized in that: The base (6) has a dovetail groove (62) with an opening on the left side; The translation mechanism (9) includes a left slider (91) and a right slider (92) inserted into the dovetail groove (62). The working platform (8) is fixedly connected to the right slider (92). A third screw (93) extending to the right is hinged on the left slider (91). A second threaded sleeve (94) is screwed to the right end of the third screw (93). The right end of the second threaded sleeve (94) is fixed to the right slider (92). A third handwheel (96) is fixed in the middle of the third screw (93). A vertically arranged locking screw (95) is screwed on the left slider (91). The lower end of the locking screw (95) is close to the bottom surface of the dovetail groove (62).
6. A portable tool grinder according to claim 1, characterized in that: The work platform (8) has multiple clamp mounting holes (81) formed on it.
7. A portable tool grinder according to claim 1, characterized in that: The base (6) has multiple fixing holes (63) formed on it.
Citation Information
Patent Citations
One chuck grinding apparatus for end milling cutters and the like
CA1082463A
Magnetorheological finishing device for high-steepness optical part
CN101323098A
Numerically controlled multi-functional surface grinding machine
CN101559575A
One-surface grinding machine for machining thin hard brittle materials
CN110014342A
Stand column longitudinally-moving flat grinder
CN203650156U