CN212886568U - Grinding tool rest for lathe tool - Google Patents

Abstract

The utility model discloses a knife grinding frame for lathe tools, which belongs to the field of machining equipment and comprises a support frame table board, a grinding wheel driven by a driving motor and an adjusting clamping mechanism positioned in front of the grinding wheel; the adjusting and clamping mechanism comprises a sliding rail and sliding block structure fixed on the table surface of the support frame and a clamping box connected to the sliding block through a connecting rod; the clamping box is internally provided with a translation block body for abutting against the tail end of the cutter, hinged rods hinged on two sides of the translation block body, two sliding sleeve bodies correspondingly hinged on the other ends of the two hinged rods respectively, a fixed central shaft jointly penetrating through the two sliding sleeve bodies, two swinging rods correspondingly hinged on the two sliding sleeve bodies respectively and two clamping plates correspondingly connected on the other ends of the two swinging rods respectively. The utility model discloses just can realize the stable centre gripping to the cutter inserting fixture's in-process with the cutter, do not need the manpower to participate in sharpening the in-process, can avoid the unstable problem of centre gripping, it is convenient to use.

Description

Grinding tool rest for lathe tool

Technical Field

The utility model relates to a machining equipment field, specificly relates to a lathe is knife grinding frame for cutter.

Background

When processing the part, the cutter of lathe can wear and tear or be destroyed, therefore the cutter often need polish, and present workman directly operates with bare hands when polishing the cutter, and the emery wheel will injure both hands when the operation is careless, simultaneously because bare-handed to the cutter polish not well control the cutter by the amount of grinding for the cutter wearing and tearing are more serious.

The patent with the publication number of CN 208744377U discloses a lathe tool grinding frame for lathe tool, it includes by the rough grinding wheel and the fine grinding wheel of same motor drive, the base up end of motor front side is provided with the spout, be provided with in the spout rather than sliding connection's slider, be provided with the branch rather than hinge joint on the slider up end, the upper end of branch is provided with and is the trapezoidal recess that falls, all be provided with vertical second slot hole on the lateral wall about the recess, the round pin axle runs through the second slot hole of both sides, the branch upper end is provided with clamping device. When the clamping device is pressed downwards, the lower ends of the lug plates are in contact with the inclined surface of the groove, when the clamping device is pressed downwards, the lug plates on two sides are close to each other, and the rubber pads in the vertical area of the clamping part fix the tool shank of the tool. In the grinding time, one hand needs to be kept to press the clamping device downwards, the other hand needs to hold the tool shank on the front side of the clamping device, and the force applied by a person is difficult to keep stable, so that the tool grinding frame has the problems that the clamping of a lathe tool is unstable, and the tool grinding frame is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a lathe is knife sharpening frame for cutter, its in-process with the cutter insert fixture just can realize the stable centre gripping to the cutter, does not need the manpower to participate in at the in-process of whetting a knife, can avoid the unstable problem of centre gripping, uses conveniently.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a knife grinding frame for lathe tools comprises a support frame table-board, a grinding wheel vertically arranged above the support frame table-board and driven by a driving motor, and an adjusting clamping mechanism arranged on the support frame table-board and positioned in front of the grinding wheel; the adjusting and clamping mechanism comprises a sliding rail which is fixed on the table top of the support frame and is perpendicular to an output shaft of the driving motor, a sliding block which is connected to the sliding rail in a sliding mode, and a clamping box which is connected to the sliding block through a vertically arranged connecting rod, a locking screw for pressing the sliding block penetrates through one side of the sliding rail, the clamping box is aligned with the middle of the grinding wheel, and the rear side end of the clamping box is arranged in an open mode;

the clamping box is internally provided with a translation block body for abutting against the tail end of the cutter, hinged rods hinged at two sides of the translation block body, two sliding sleeve bodies respectively and correspondingly hinged at the other ends of the two hinged rods, a fixed central shaft jointly penetrating through the two sliding sleeve bodies, two swinging rods respectively and correspondingly hinged on the two sliding sleeve bodies and two clamping plates respectively and correspondingly connected at the other ends of the two swinging rods, both ends of the fixed central shaft are fixedly connected with the inner wall of the clamping box through fixing blocks, the two sliding sleeve bodies are symmetrically arranged around the middle part of the fixed central shaft, and a first spring sleeved on the fixed central shaft is arranged between the sliding sleeve body and the fixed block at the corresponding side, the translation block body is aligned with the middle part of the fixed central shaft, a supporting block is fixed on one side of the middle part of the fixed central shaft, which faces the translation block body, and a locking assembly is arranged between the supporting block and the opposite side of the translation block body; the middle part of the swing rod is provided with a waist hole extending along the length direction of the swing rod, and a fixed shaft fixedly connected with the inner wall of the clamping box penetrates through the waist hole.

Further, the bottom of driving motor is equipped with the mounting panel of level setting, just the bottom surface of mounting panel passes through the support column to be fixed on the support frame mesa.

Furthermore, the locking assembly comprises an inserting block fixed on the translation block body, a slot matched with the inserting block and a clamping block arranged on one side inside the slot, the slot is formed in the supporting block, a notch for inserting the clamping block is formed in the corresponding side of the inserting block, the clamping block is arc-shaped towards one side of the opening side of the slot, the clamping block faces away from the opening side of the slot and faces towards one side of the inserting block to form a right angle, a long connecting rod penetrating through the supporting block and the clamping box is fixed on one side of the clamping block facing away from the inserting block, a handle is fixed at the outer side end of the long connecting rod, and a second spring which is in a pre-tightening state and sleeved on the long connecting rod is arranged between one side of the clamping block facing away from the inserting block and. When the translation block body is pushed to the abutting support block by the cutter, the inserting block is inserted into the slot, in the process, the inserting block can push the clamping block away through the arc-shaped part on the clamping block, the second spring is further compressed, when the notch of the inserting block is aligned with the clamping block, the reset action of the second spring can push the clamping block to be clamped into the notch, and the right-angle-shaped part on the clamping block can effectively prevent the inserting block from moving out of the slot, so that the clamping component is locked; when the clamping of the cutter is to be released, the long connecting rod is pulled outwards through the handle, the clamping block can be driven to move out of the corresponding notch, at the moment, the sliding sleeve body can be pushed to reset under the reset action of the first spring, so that the clamping plate and the sliding block body can be driven to reset, the cutter is loosened, the cutter is ejected out, and the cutter is convenient to take out.

Further, the one end that corresponding side sliding sleeve body was connected to swinging arms and articulated rod runs through the formula jointly and is equipped with one with sliding sleeve body fixed connection's first articulated shaft, the one end that articulated rod and translation block are connected runs through the formula and is equipped with one with translation block body fixed connection's second articulated shaft, the one end run through of swinging arms connecting plate is equipped with one with splint fixed connection's third articulated shaft. The swinging rod is hinged with the two ends of the hinged rod through fewer hinged shafts.

3. Advantageous effects

The utility model discloses a be equipped with the fixed center pin that both ends side symmetry formula cover was equipped with the sliding sleeve body, the translation block that perpendicular to fixed center pin removed, the splint that are used for centre gripping cutter, articulate the hinge bar between translation block and the sliding sleeve body, articulate the swinging arms between splint and the sliding sleeve body and run through the fixed axle that the swinging arms middle part was located, when using, insert the tail end of taking the cutter between two splint, make the cutter conflict and promote the translation block to move to centre gripping box inboard, in this process, the removal of translation block promotes two sliding sleeve bodies simultaneously through the hinge bar and moves along fixed center pin dorsad, the removal of the sliding sleeve body drives the swinging arms and rotates around the fixed axle, and the other end of two swinging arms is close to each other, drive two splint and be close to each other, finally press from both sides the; and because the middle part of fixed center pin is fixed with the supporting shoe towards one side of translation block, and is equipped with the locking subassembly between the side in opposite directions of supporting shoe and translation block, when the translation block removed to the supporting shoe of contradicting, the locking was realized to the accessible locking subassembly for splint realize stablizing the centre gripping to the cutter, later with the cutter pass through the slide rail slider structure remove to contact emery wheel and latched position can. Then the utility model discloses just can realize the stable centre gripping to the cutter inserting fixture's in-process with the cutter, do not need the manpower to participate in sharpening the in-process, can avoid the unstable problem of centre gripping, it is convenient to use.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a schematic plan view of the present invention, and the top cover of the holding box 6 is not shown;

FIG. 3 is an enlarged view of the locking assembly 24;

fig. 4 is a schematic diagram of the internal structure of the clamping box 6 when clamping the cutter 30.

Reference numerals: 1. a support frame table-board; 2. a slide rail; 3. a slider; 4. a connecting rod; 5. a grinding wheel; 6. a clamping box; 7. a drive motor; 8. mounting a plate; 9. locking the screw; 10. a support pillar; 11. fixing the central shaft; 12. a sliding sleeve body; 13. a first spring; 14. a first hinge shaft; 15. a swing lever; 16. a hinged lever; 17. a second hinge shaft; 18. a translation block; 19. a splint; 20. a third hinge shaft; 21. a waist hole; 22. a fixed shaft; 23. a fixed block; 24. a locking assembly; 241. an insertion block; 242. a slot; 25. a support block; 26. a clamping block; 27. a long connecting rod; 28. a handle; 29. a second spring; 30. and (4) a cutter.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1, the grinding carriage for lathe tool comprises a support frame table-board 1, a grinding wheel 5 vertically arranged above the support frame table-board 1 and driven by a driving motor 7, and an adjusting clamping mechanism arranged on the support frame table-board 1 and positioned in front of the grinding wheel 5; the adjusting and clamping mechanism comprises a sliding rail 2 which is fixed on the table top 1 of the support frame and is perpendicular to an output shaft of a driving motor 7, a sliding block 3 which is connected to the sliding rail 2 in a sliding manner, and a clamping box 6 which is connected to the sliding block 3 through a vertically arranged connecting rod 4, a locking screw 9 for pressing the sliding block 3 is arranged on one side of the sliding rail 2 in a penetrating manner, the clamping box 6 is aligned with the middle part of the grinding wheel 5, and the rear side end of the clamping box 6 is arranged in an open manner, as shown in fig. 2;

as shown in fig. 2, a translation block 18 for abutting against the tail end of the tool 30, hinge rods 16 hinged to two sides of the translation block 18, two sliding sleeves 12 respectively and correspondingly hinged to the other ends of the two hinge rods 16, a fixed central shaft 11 jointly penetrating through the two sliding sleeves 12, two swing rods 15 respectively and correspondingly hinged to the two sliding sleeves 12, and two clamp plates 19 respectively and correspondingly connected to the other ends of the two swing rods 15 are arranged in the clamping box 6, two ends of the fixed central shaft 11 are fixedly connected to the inner wall of the clamping box 6 through fixing blocks 23, the two sliding sleeves 12 are symmetrically arranged about the middle of the fixed central shaft 11, a first spring 13 sleeved on the fixed central shaft 11 is arranged between the sliding sleeves 12 and the fixing blocks 23 on the corresponding side, the translation block 18 is aligned with the middle of the fixed central shaft 11, and a support block 25 is fixed on one side of the middle of the fixed central shaft 11 facing the translation, and a locking component 24 is arranged between the supporting block 25 and the opposite side of the translation block body 18; the middle part of the swing rod 15 is provided with a waist hole 21 extending along the length direction, and a fixing shaft 22 fixedly connected with the inner wall of the clamping box 6 penetrates through the waist hole 21.

In this embodiment, as shown in fig. 1, a horizontally disposed mounting plate 8 is disposed at the bottom of the driving motor 7, and the bottom surface of the mounting plate 8 is fixed on the supporting frame table top 1 through a supporting column 10.

In this embodiment, as shown in fig. 3, the locking assembly 24 includes an insertion block 241 fixed on the translation block 18, an insertion slot 242 opened on the support block 25 and adapted to the insertion block 241, and a latch 26 disposed on one side inside the insertion slot 242, a notch for inserting the latch 26 is opened on the corresponding side of the insertion block 241, one side of the latch 26 facing the opening side of the insertion slot 242 is arc-shaped, one side of the latch 26 facing away from the opening side of the insertion slot 242 and facing the insertion block 241 is right-angled, a long extension rod 27 penetrating through the support block 25 and the clamping box 6 is fixed on one side of the latch 26 facing away from the insertion block 241, a handle 28 is fixed on an outer end of the long extension rod 27, and a second spring 29 in a pre-tensioned state and sleeved on the long extension rod 27 is disposed between one side of the latch 26 facing away from the insertion block 241 and the corresponding side sidewall of the. When the translation block 18 is pushed by the cutter 30 to abut against the supporting block 25, the insertion block 241 is inserted into the insertion slot 242, in the process, the insertion block 241 can push the latch 26 away through the arc-shaped part on the latch 26, the second spring 29 is further compressed, when the notch of the insertion block 241 is aligned with the latch 26, the reset action of the second spring 29 can push the latch 26 to be clamped into the notch, and the right-angle-shaped part on the latch 26 can effectively prevent the insertion block 241 from moving out of the insertion slot 242, namely, the clamping part is locked; when the clamping of the cutter 30 is to be released, the handle 28 pulls the long connecting rod 27 outwards to drive the fixture block 26 to move out of the corresponding notch, and at this time, under the reset action of the first spring 13, the sliding sleeve 12 can be pushed to reset, so that the clamping plate 19 and the sliding block 18 can be driven to reset, the cutter 30 is loosened, the cutter 30 is ejected out, and the cutter 30 is convenient to take out.

In the present embodiment, as shown in fig. 2, one end of the swing rod 15 and one end of the hinge rod 16 connected to the corresponding side sliding sleeve body 12 are provided with a first hinge shaft 14 fixedly connected to the sliding sleeve body 12 in a penetrating manner, one end of the hinge rod 16 connected to the translation block body 18 is provided with a second hinge shaft 17 fixedly connected to the translation block body 18 in a penetrating manner, and one end of the swing rod 15 connected to the clamping plate 19 is provided with a third hinge shaft 20 fixedly connected to the clamping plate 19 in a penetrating manner. The articulation of the two ends of the oscillating lever 15 and the articulation lever 16 is achieved by means of fewer articulation axes.

The specific application process of the tool grinding rack for the lathe tool comprises the following steps:

the slide block 3 is firstly positioned at one side of the slide rail 2 far away from the grinding wheel 5, so that a larger gap is left between the clamping box 6 and the grinding wheel 5, so as to clamp the cutter 30, then the tail end of the belt cutter 30 is inserted between the two clamping plates 19, so that the cutter 30 is abutted against and pushes the translation block 18 to move towards the inner side of the clamping box 6 until the translation block 18 is contacted with the supporting block 25, in the process, the movement of the translation block 18 simultaneously pushes the two sliding sleeve bodies 12 to move backwards along the fixed central shaft 11 through the hinge rod 16, the first spring 13 is compressed, the movement of the sliding sleeve bodies 12 drives the swing rod 15 to rotate around the fixed shaft 22, and the other ends of the two swing rods 15 are close to each other to drive the two clamping plates 19 to mutually close to finally clamp the cutter 30, as shown in; at this time, the notch of the insertion block 241 is aligned with the latch 26, the reset action of the second spring 29 can push the latch 26 to be latched into the notch, and the right-angle portion of the latch 26 can effectively prevent the insertion block 241 from moving out of the slot 242, so that the clamping component is locked, the clamping of the tool 30 is completed, and the clamping stability is good. Then, the driving motor 7 is started to drive the grinding wheel 5 to rotate, the connecting rod 4 pushes the sliding block 3 and the clamping box 6 to move towards the side of the grinding wheel 5 along the sliding rail 2 until the cutter 30 contacts the grinding wheel, the locking screw 9 is screwed down, the sliding block 3 is locked in the sliding rail 2, the position of the cutter 30 is kept still, the cutter 30 is subjected to sharpening treatment by the rotation of the grinding wheel 5, in the sharpening process, the manual participation is not needed, the problem of unstable clamping can be avoided, and the application is convenient;

after finishing sharpening the cutter 30, the handle 28 pulls the long extension rod 27 outwards to drive the fixture block 26 to move out of the corresponding notch, at this time, under the reset action of the first spring 13, the sliding sleeve 12 can be pushed to reset, so that the clamping plate 19 and the translation block 18 can be driven to reset, the cutter 30 can be loosened, the cutter 30 can be ejected out, and the cutter 30 can be taken out conveniently.

Therefore, the utility model discloses just can realize the stable centre gripping to the cutter with the in-process that inserts fixture with the cutter, do not need manpower participation at the in-process of whetting a knife, can avoid the unstable problem of centre gripping, use the convenience.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (4)

1. A knife grinding frame for a lathe tool comprises a support frame table board (1), a grinding wheel (5) which is vertically arranged above the support frame table board (1) and driven by a driving motor (7), and an adjusting and clamping mechanism which is arranged on the support frame table board (1) and is positioned in front of the grinding wheel (5); the grinding wheel clamping device is characterized in that the adjusting and clamping mechanism comprises a sliding rail (2) which is fixed on a table top (1) of the support frame and is perpendicular to an output shaft of a driving motor (7), a sliding block (3) which is connected to the sliding rail (2) in a sliding mode, and a clamping box (6) which is connected to the sliding block (3) through a vertically arranged connecting rod (4), wherein a locking screw (9) used for pressing the sliding block (3) is arranged on one side of the sliding rail (2) in a penetrating mode, the clamping box (6) is aligned with the middle of a grinding wheel (5), and the rear side end of the clamping box (6) is arranged;

the clamping device is characterized in that a translation block body (18) for abutting against the tail end of a cutter (30), hinged rods (16) hinged to two sides of the translation block body (18), two sliding sleeve bodies (12) hinged to the other ends of the two hinge rods (16) in a corresponding mode respectively, a fixed central shaft (11) penetrating through the two sliding sleeve bodies (12) together, two swinging rods (15) hinged to the two sliding sleeve bodies (12) in a corresponding mode respectively and two clamping plates (19) connected to the other ends of the two swinging rods (15) in a corresponding mode respectively are arranged in the clamping box (6), two ends of the fixed central shaft (11) are fixedly connected with the inner wall of the clamping box (6) through fixing blocks (23), the two sliding sleeve bodies (12) are symmetrically arranged relative to the middle of the fixed central shaft (11), and a first spring (13) sleeved on the fixed central shaft (11) is arranged between the sliding sleeve bodies (12) and, the translation block body (18) is aligned with the middle of the fixed central shaft (11), a supporting block (25) is fixed on one side, facing the translation block body (18), of the middle of the fixed central shaft (11), and a locking assembly (24) is arranged between the supporting block (25) and the opposite side of the translation block body (18); waist hole (21) that extend along its length direction is seted up in the middle part of swinging arms (15), wear to be equipped with a fixed axle (22) with centre gripping box (6) inner wall fixed connection in waist hole (21).

2. The grinding carriage for lathe tool according to claim 1, characterized in that the bottom of the driving motor (7) is provided with a horizontally arranged mounting plate (8), and the bottom surface of the mounting plate (8) is fixed on the support frame table surface (1) through a support column (10).

3. The grinding carriage for lathe tool according to claim 1, characterized in that the locking assembly (24) comprises a plug-in block (241) fixed on the translation block (18), a slot (242) opened on the support block (25) and matched with the plug-in block (241), and a block (26) arranged on one side inside the slot (242), and a notch for the block (26) to insert is opened on the corresponding side of the plug-in block (241), one side of the block (26) facing the opening side of the slot (242) is arc-shaped, and one side of the block (26) facing away from the opening side of the slot (242) and facing the plug-in block (241) is right-angled, one side of the block (26) facing away from the plug-in block (241) is fixed with a long extension rod (27) penetrating through the support block (25) and the clamping box (6), the outer side end of the long extension rod (27) is fixed with a handle (28), and a sleeving manner that a side of the block (26) facing away from the plug-in block (241) and a side wall of the corresponding side of the slot A second spring (29) in a pre-tensioned state on the long connecting rod (27).

4. The grinding carriage for lathe tools according to claim 1, characterized in that the oscillating lever (15) and the end of the hinge lever (16) connected to the respective side sliding sleeve (12) are jointly provided with a first hinge shaft (14) fixedly connected to the sliding sleeve (12) in a penetrating manner, the end of the hinge lever (16) connected to the translation block (18) is provided with a second hinge shaft (17) fixedly connected to the translation block (18) in a penetrating manner, and the end of the oscillating lever (15) connected to the clamping plate (19) is provided with a third hinge shaft (20) fixedly connected to the clamping plate (19) in a penetrating manner.

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