High-stability cutting pick

Abstract

The utility model discloses a high-stability cutting pick, and particularly relates to the technical field of cutting picks, the high-stability cutting pick comprises a tool bit handle part, a first connecting seat, a second connecting seat, a cone and a cutting pick point, a threaded rod is rotatably connected in the tool bit handle part, a movable block is connected to the outer side of the threaded rod in a threaded sleeving manner, and a connecting block is rotatably connected to the outer side of the threaded rod in a limiting manner; the two sides of the connecting block are fixedly connected with the inner side wall of the tool bit handle through a set of limiting rods, sliding blocks are slidably connected to the outer sides of the two sets of limiting rods, inclined rods are connected between the sliding blocks and the moving blocks through hinges, clamping blocks are fixedly connected to the surfaces of the sliding blocks, and clamping grooves connected with the clamping blocks in a clamped mode are formed in the inner side wall of the second connecting base. The outer side of the tool bit handle is sleeved with a rotating ring, the rotating ring and the threaded rod are fixedly connected through two connecting rods, and due to the arrangement of the structure, the second connecting base, the cone and the cutting tooth tool nose can be conveniently and integrally detached and replaced in the later period.

Description

TECHNICAL FIELD

[0001] The utility model relates to pick technology field more specifically, the utility model relates to a kind of high stability pick. BACKGROUND

[0002] Pick is a kind of cutting tool used in mining and engineering machinery equipment, its main role is cutting and crushing various hard materials, such as rock, coal etc., it is usually made of wear-resistant material, with sharp cutting edge, can effectively carry out cutting and crushing operation, the role of pick is to improve work efficiency and quality in engineering construction and mining process, widely used in coal mining, tunnel engineering and pavement milling and other fields;

[0003] At present, most of the hard alloy heads on pick are welded and fixed with pick handle by brazing, this connection mode needs to replace pick handle together after hard alloy head is damaged, on the one hand, it will cause certain waste, on the other hand, replacement and disassembly have certain inconvenience;

[0004] Therefore, a kind of high stability pick is proposed for the above problems. INVENTION CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of high stability pick to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high stability pick, including cutter handle, first connecting seat, second connecting seat, cone, pick tip, the screw rod is rotatably connected in the cutter handle, the moving block is connected with the outer thread of screw rod, the connecting block is rotatably connected on the outer side of screw rod, the connecting block both sides are fixedly connected with the inner side wall of cutter handle by a group of limit rods, the outer side of two groups of limit rods is slidably connected with sliding block, the inclined rod is hingedly connected between sliding block and moving block, the surface of sliding block is fixedly connected with clamping block, the inner side wall of second connecting seat is provided with the clamping groove of clamping block clamping connection, the rotating ring is sleeved on the outer side of cutter handle, and the rotating ring and screw rod are fixedly connected by two connecting rods.

[0007] Preferably, the first connecting seat is fixedly connected to the bottom end of the second connecting seat, and the cone is fixedly connected to the top end of the second connecting seat.

[0008] Preferably, the pick tip is fixedly embedded at the top end of the cone, and a plurality of strip-shaped grooves are formed on the outer side of the pick tip.

[0009] Preferably, the rotating ring is provided with rough lines on the outer side to increase the friction between the hand and the rotating ring.

[0010] Preferably, the outer side wall of the tool bit handle portion is symmetrically provided with two limiting grooves, and the two connecting rods are movably connected in the limiting grooves.

[0011] Preferably, the outer side wall of the tool bit handle portion is fixedly provided with a first protruding ring, and the outer side wall of the tool bit handle portion and below the first protruding ring is fixedly provided with a second protruding ring,

[0012] Preferably, the outer side wall of the tool bit handle portion and between the two first protruding rings and the second protruding ring is provided with an elastic limiting ring.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1. Compared with the prior art, through the cooperation of the rotating ring and the connecting rod, the threaded rod can be rotated, the threaded rod and the moving block are screwed, the movement of the moving block is adjusted, the moving block and the two inclined rods are hingedly connected, and then the two inclined rods push the sliding block and the clamping block to slide on the limiting rod, so that the clamping block passes through the through hole of the tool bit handle portion and is clamped and connected with the clamping groove in the inner wall of the second connecting seat, thereby completing the limiting and fixing of the second connecting seat, the cone and the whole tooth tip, and the structure can realize the disassembly of the hard alloy head on the tooth and the tooth handle, and facilitate the replacement of the second connecting seat, the cone and the whole tooth tip. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front perspective structure schematic view of the utility model.

[0016] Figure 2 It is a partial sectional structure schematic view of the utility model.

[0017] Figure 3 It is a first partial perspective structure schematic view of the utility model.

[0018] Figure 4 It is a second partial perspective structure schematic view of the utility model.

[0019] The reference signs are: 1, tool bit handle portion; 2, first connecting seat; 3, second connecting seat; 4, cone; 5, tooth tip; 6, strip-shaped groove; 7, rotating ring; 8, connecting rod; 9, threaded rod; 10, moving block; 11, inclined rod; 12, sliding block; 13, clamping block; 14, clamping groove; 15, through hole; 16, connecting block; 17, limiting rod; 18, limiting groove; 19, first protruding ring; 20, elastic limiting ring; 21, second protruding ring. DETAILED DESCRIPTION

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] As attached Figures 1 to 4 The high-stability cutting tooth shown includes a cutting head shank 1, a first connecting seat 2, a second connecting seat 3, a cone 4, and a cutting tooth tip 5. A threaded rod 9 is rotatably connected inside the cutting head shank 1. A moving block 10 is threadedly connected to the outside of the threaded rod 9. A connecting block 16 is rotatably connected to the outside of the threaded rod 9. Both sides of the connecting block 16 are fixedly connected to the inner sidewall of the cutting head shank 1 through a set of limiting rods 17. Sliding blocks 12 are slidably connected to the outside of the two sets of limiting rods 17. A diagonal rod 11 is hinged between the sliding block 12 and the moving block 10. A locking block 13 is fixedly connected to the surface of the sliding block 12. A locking groove 14 is opened on the inner sidewall of the second connecting seat 3 to engage with the locking block 13. A rotating ring 7 is sleeved on the outside of the cutting head shank 1. The rotating ring 7 is fixedly connected to the threaded rod 9 through two connecting rods 8. The outside of the rotating ring 7 is provided with rough texture to increase the friction between the hand and the rotating ring 7.

[0023] During installation and use, the first connecting seat 2 and the second connecting seat 3 of the carbide head on the cutting tooth can be fitted onto the top of the cutting head shank 1. Then, the rotating ring 7 is rotated, and the rotating ring 7 drives the threaded rod 9 through the connecting rod 8. Then, the rotating threaded rod 9 drives the moving block 10 to move and adjust. The moving block 10 is hinged to the two inclined rods 11, and then the two inclined rods 11 push the sliding block 12 and the locking block 13 to slide on the limiting rod 17. This allows the locking block 13 to pass through the through-hole 15 on the side wall of the cutting head shank 1 and engage with the locking groove 14 on the inner side wall of the second connecting seat 3. This completes the limiting and fixing of the second connecting seat 3, the cone 4, and the cutting tooth tip 5 as a whole. This structure allows the carbide head on the cutting tooth to be disassembled from the cutting tooth shank, making it convenient to replace the second connecting seat 3, the cone 4, and the cutting tooth tip 5 as a whole in the future.

[0024] Example 2

[0025] Based on Example 1, the solution in Example 1 will be further described in detail below with reference to the specific working method, such as... Figures 1 to 4 As shown below, see details:

[0026] As a preferred embodiment, the first connecting seat 2 is fixedly connected to the bottom end of the second connecting seat 3, the conical body 4 is fixedly connected to the top end of the second connecting seat 3, and the cutting tooth tip 5 is inlaid at the top end of the conical body 4.

[0027] As a preferred embodiment, two limiting grooves 18 are symmetrically formed in the outer side wall of the tool bit handle 1, and two connecting rods 8 are movably connected in the limiting grooves 18; two through openings 15 are symmetrically formed in the outer side wall of the tool bit handle 1, and two clamping blocks 13 are movably arranged through the through openings 15; the first protruding ring 19 is fixedly arranged on the outer side wall of the tool bit handle 1; the second protruding ring 21 is fixedly arranged below the first protruding ring 19 on the outer side wall of the tool bit handle 1; and the elastic limiting ring 20 is arranged between the two first protruding rings 19 and the second protruding ring 21 on the outer side wall of the tool bit handle 1.

[0028] The working process of the utility model is as follows: firstly, the first connecting seat 2 and the second connecting seat 3 of the hard alloy head of the cutting tooth are sleeved on the top end of the tool bit handle 1, then the rotating ring 7 is rotated, the rotating ring 7 drives the threaded rod 9 through the connecting rod 8, then the moving block 10 is driven to move through the rotating threaded rod 9, the moving block 10 is hingedly connected with the two inclined rods 11 through the moving adjustment, then the sliding block 12 and the clamping block 13 are pushed to slide on the limiting rod 17 through the two inclined rods 11, so that the clamping block 13 is clamped and connected with the clamping groove 14 formed in the inner side wall of the second connecting seat 3 through the through opening 15 formed in the side wall of the tool bit handle 1, so that the limiting and fixing of the second connecting seat 3, the conical body 4 and the cutting tooth tip 5 are completed, the structure can realize the disassembly of the hard alloy head of the cutting tooth and the cutting tooth handle, facilitate the replacement of the second connecting seat 3, the conical body 4 and the cutting tooth tip 5, and the working principle of the high-stability cutting tooth is as above.

Claims

1. A high stability pick comprising a bit shank (1), a first connecting seat (2), a second connecting seat (3), a cone (4), a pick tip (5), characterized in that: The threaded rod (9) is rotationally connected in the cutter handle (1), a moving block (10) is connected on the outer side of the threaded rod (9) through threaded sleeve, a connecting block (16) is rotationally connected on the outer side of the threaded rod (9), the connecting block (16) is fixedly connected with the inner side wall of the cutter handle (1) through a group of limiting rods (17) on both sides, a sliding block (12) is slidably connected with the outer side of the limiting rods (17), an inclined rod (11) is hingedly connected between the sliding block (12) and the moving block (10), a clamping block (13) is fixedly connected on the surface of the sliding block (12), a clamping groove (14) is formed in the inner side wall of the second connecting seat (3) and matched with the clamping block (13), a rotating ring (7) is sleeved on the outer side of the cutter handle (1), and the rotating ring (7) is fixedly connected with the threaded rod (9) through two connecting rods (8).

2. The high-stability cutting pick of claim 1, wherein: The first connecting seat (2) is fixedly connected to the bottom end of the second connecting seat (3), and the conical body (4) is fixedly connected to the top end of the second connecting seat (3).

3. The high stability cutting pick of claim 1, wherein: The cutting tooth tip (5) is fixedly embedded on the top end of the conical body (4), and a plurality of strip-shaped grooves (6) are formed on the outer side of the cutting tooth tip (5).

4. The high stability cutting pick of claim 1, wherein: The rotating ring (7) is provided with rough lines on the outer side to increase the friction between the hand and the rotating ring (7).

5. The high stability cutting pick of claim 1, wherein: The outer side wall of the cutter handle (1) is symmetrically provided with two limiting grooves (18), and the two connecting rods (8) are movably connected in the limiting grooves (18).

6. The high stability cutting pick of claim 1, wherein: The outer side wall of the cutter handle (1) is symmetrically provided with two through holes (15), and the two clamping blocks (13) are movably arranged through the two through holes (15).

7. The high-stability cutting pick of claim 1, wherein: The first protruding ring (19) is fixedly arranged on the outer side wall of the cutter handle (1), and the second protruding ring (21) is fixedly arranged below the first protruding ring (19) on the outer side wall of the cutter handle (1). The elastic limiting ring (20) is arranged between the two first protruding rings (19) and the second protruding ring (21) on the outer side wall of the cutter handle (1).

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