CN210281898U

CN210281898U - Clamping mechanism of grinding needle head loading and unloading machine

Info

Publication number: CN210281898U
Application number: CN201920786533.5U
Authority: CN
Inventors: 吴文河; 赵文龙; 苏烨; 郑利晓; 骆波
Original assignee: Changzhou Detian Medical Equipment Co ltd
Current assignee: Changzhou Detian Medical Equipment Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-04-10
Anticipated expiration: 2029-05-29

Abstract

The utility model provides a grinding needle head loading and unloading machine clamping mechanism, which comprises a fixed seat, a motor and a gear; the outer wall of the cylindrical rod is sleeved with a pressing cylinder; the front side position of the outer wall of the cylindrical rod is in an annular array shape and is rotationally connected with four fastening structures through a rotating connecting seat, and each fastening structure comprises a main body arm, a baffle, a pressing block and a rubber pad. Due to the arrangement of the pressing cylinder and the fastening structure, the conical groove is formed in the opening of the pressing cylinder, and the top end face of the main body arm on the fastening structure is of a semicircular structure, so that the frictional resistance between the pressing cylinder and the fastening structure can be reduced, the pressing cylinder can be more conveniently pressed on the fastening structure, and the material waste caused by the fact that a part of gas thrust is offset due to the overlarge frictional resistance between the pressing cylinder and the fastening structure is prevented; because of the equal rotation of main part arm bottom end face is connected with a compact heap, so can ensure that compact heap raw and other materials carry out the face contact, be used for strengthening on the one hand and press from both sides tight steadiness, on the other hand prevents that the arris contact from leading to raw and other materials to warp.

Description

Clamping mechanism of grinding needle head loading and unloading machine

Technical Field

The utility model belongs to the technical field of the syringe needle processing, more specifically says, in particular to grinding syringe needle loader clamping mechanism.

Background

At present, in the needle tube manufacturing industry, especially in the needle head grinding process, the needle tube is transferred from the needle placing machine to the grinding machine by using a manipulator device, the manipulator device directly clamps and takes the needle tube in the working process, the clamp is a device used for fixing a processing object in the mechanical manufacturing process to enable the processing object to occupy the correct position to receive construction or detection, and in a broad sense, in any process in the process, a device used for quickly, conveniently and safely installing a workpiece can be called as a clamp, but the existing clamp is not convenient for quickly clamping the superfine needle head.

Based on the above, the conventional clamping mechanism for grinding the needle head mainly has the following defects when in use:

one is that the working efficiency is low due to the slow clamping speed, most of the existing clamping clamps are bolt adjusting clamps, the bolt needs to be screwed when the needle head is adjusted, the adjusting process is slow, and the efficiency is low; moreover, the processing method is relatively backward, and when the needle head is ground, the axial rapid grinding of the needle head cannot be realized through the axial rotation of the raw materials.

In view of the above, the present invention provides a clamping mechanism for a grinder needle head loader, which is improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a clamping mechanism of a grinding needle head loading and unloading machine, aiming at solving the problems that the working efficiency is lower due to the lower clamping speed in the prior art, the prior clamping fixtures are mostly bolt adjusting fixtures, the bolts are required to be screwed when the needle head is adjusted, the adjusting process is slower, and the efficiency is lower; moreover, the processing method is relatively laggard, and when the needle head is ground, the axial quick grinding of the needle head cannot be realized through the axial rotation of the raw materials.

The utility model is used for a purpose and efficiency of grinding syringe needle loader clamping mechanism are reached by following specific technological means:

a clamping mechanism of a grinding needle head loading and unloading machine comprises a fixed seat, a cylindrical barrel, a toothed ring, an air inlet, a pressing barrel, a conical groove, a cylindrical rod, a baffle ring, a spring, a fastening structure, a main body arm, a baffle plate, a pressing block, a rubber pad, a supporting cylindrical rod, an elastic telescopic rod, a motor and a gear; the fixed seat is of a rectangular block structure, and a cylindrical barrel is rotatably connected to the fixed seat; a toothed ring is welded at the rear side of the outer wall of the cylindrical barrel, and an air inlet is formed in the bottom end face of the cylindrical barrel; a cylindrical rod is welded on the bottom end face of the inner wall of the cylindrical barrel, and eight air outlet holes connected with the air inlet are formed in the outer wall of the cylindrical rod in an annular array shape; the outer wall of the cylindrical rod is sleeved with a pressing cylinder; the front side position of the outer wall of the cylindrical rod is in an annular array shape and is rotationally connected with four fastening structures through a rotating connecting seat, and each fastening structure comprises a main body arm, a baffle, a pressing block and a rubber pad.

Furthermore, the pressing cylinder is of a cylindrical tubular structure, a conical groove is formed in the opening of the pressing cylinder, and the top end face of the body arm on the fastening structure is of a semicircular structure.

Furthermore, a baffle is welded on the top end face of the main body arm.

Furthermore, a stop ring is welded on the outer wall of the cylindrical rod, and a spring is sleeved between the stop ring and the pressing barrel on the outer wall of the cylindrical rod.

Furthermore, a supporting cylindrical rod is welded at the center of the front end face of the cylindrical rod, and four elastic telescopic rods are welded on the outer wall of the supporting cylindrical rod in an annular array shape; every elasticity telescopic link top is spherical structure, and every the elasticity telescopic link top all contacts with the semi-annular groove of main part arm bottom.

Furthermore, each bottom end face of the main body arm is rotatably connected with a pressing block.

Furthermore, a clamping groove is formed in the bottom end face of each pressing block, the clamping groove is of a V-shaped structure, and a layer of rubber pad is adhered to the clamping groove.

Furthermore, the top end face of the fixed seat is fixedly connected with a motor through a bolt, a gear is fixedly connected to a rotating shaft of the motor, and the gear is meshed with the gear ring.

Compared with the prior art, the utility model discloses following beneficial effect has:

because of the setting of pressing a section of thick bamboo and fastening structure, a bell jar has been seted up to pressure section of thick bamboo nozzle position to the top face of fastening structure upper main body arm is semi-circular structure, so can reduce the frictional resistance between pressing a section of thick bamboo and the fastening structure, is convenient for more press a section of thick bamboo to compress tightly fastening structure, prevents to press the section of thick bamboo and fastening structure between frictional resistance too big and offset some gaseous thrust, causes the waste of material.

Because of the equal rotation of main part arm bottom end face is connected with a compact heap, so can ensure that compact heap raw and other materials carry out the face contact, be used for strengthening on the one hand and press from both sides tight steadiness, on the other hand prevents that the arris contact from leading to raw and other materials to warp.

Because of a draw-in groove has all been seted up to every compact heap bottom face, and this draw-in groove is the V-arrangement structure to, be stained with the one deck rubber pad in this draw-in groove, so can be adapted to on the one hand and press from both sides tightly in the raw and other materials of different diameters, on the other hand can prevent that raw and other materials from appearing skidding.

Because of the setting of spring, when the gas disconnection of inlet port department, can reset through the spring action and remove the restriction to fastening structure with pressing a section of thick bamboo, promoted the degree of automation of this device to a certain extent.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic axial view of the present invention.

Fig. 3 is a schematic view of the enlarged structure of the present invention in a partial section view.

Fig. 4 is a schematic view of the structure of the cylindrical rod, the fastening structure, the supporting cylindrical rod and the elastic telescopic rod of the present invention.

Fig. 5 is an axial view structure diagram of the cylindrical rod, the fastening structure, the supporting cylindrical rod and the elastic telescopic rod of the present invention.

Fig. 6 is an enlarged schematic view of fig. 5 a according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a fixed seat; 2. a cylindrical barrel; 201. a toothed ring; 202. an air inlet; 3. pressing the cylinder; 301. a tapered groove; 4. a cylindrical rod; 401. a baffle ring; 402. a spring; 5. a fastening structure; 501. a body arm; 502. a baffle plate; 503. a compression block; 504. a rubber pad; 6. supporting the cylindrical rod; 7. an elastic telescopic rod; 8. a motor; 9. a gear.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides a grinding needle head loading and unloading machine clamping mechanism, which comprises a fixed seat 1, a cylindrical barrel 2, a toothed ring 201, an air inlet 202, a pressing barrel 3, a tapered groove 301, a cylindrical rod 4, a baffle ring 401, a spring 402, a fastening structure 5, a main body arm 501, a baffle plate 502, a pressing block 503, a rubber pad 504, a supporting cylindrical rod 6, an elastic telescopic rod 7, a motor 8 and a gear 9; the fixed seat 1 is of a rectangular block structure, and a cylindrical barrel 2 is rotatably connected to the fixed seat 1; a toothed ring 201 is welded at the rear side position of the outer wall of the cylindrical barrel 2, and an air inlet 202 is formed in the bottom end face of the cylindrical barrel 2; a cylindrical rod 4 is welded on the bottom end face of the inner wall of the cylindrical barrel 2, and eight air outlet holes connected with the air inlet 202 are formed in the outer wall of the cylindrical rod 4 in an annular array shape; the outer wall of the cylindrical rod 4 is sleeved with a pressing cylinder 3; the front side of the outer wall of the cylindrical rod 4 is connected with four fastening structures 5 in an annular array shape through a rotary connecting seat in a rotating mode, and each fastening structure 5 is composed of a main body arm 501, a baffle plate 502, a pressing block 503 and a rubber pad 504.

Referring to fig. 3, the pressing cylinder 3 is a cylindrical structure, a tapered groove 301 is formed at a position of a cylinder opening of the pressing cylinder 3, and the top end surface of the upper body arm 501 of the fastening structure 5 is a semicircular structure, so that frictional resistance between the pressing cylinder 3 and the fastening structure 5 can be reduced, and the pressing cylinder 3 can press the fastening structure 5 more conveniently.

Referring to fig. 3, a baffle 502 is welded on the top end surface of the main body arm 501, so that the pressing cylinder 3 can be limited, and the pressing cylinder 3 is prevented from being damaged by the spring 402 due to an excessively large moving distance under the action of gas pushing.

Referring to fig. 3, a stop ring 401 is welded on the outer wall of the cylindrical rod 4, and a spring 402 is sleeved on the outer wall of the cylindrical rod 4 between the stop ring 401 and the pressing cylinder 3, so that when the gas at the gas inlet 202 is cut off, the pressing cylinder 3 can be reset by the action of the spring 402 to release the restriction on the fastening structure 5.

Referring to fig. 4, a supporting cylindrical rod 6 is welded at the center of the front end face of the cylindrical rod 4, and four elastic telescopic rods 7 are welded on the outer wall of the supporting cylindrical rod 6 in an annular array; every elasticity telescopic link 7 top is spherical structure, and every elasticity telescopic link 7 top all contacts with the semi-annular groove of main part arm 501 bottom, so be in 3 of pressing a section of thick bamboo reset the back, elasticity telescopic link 7 can support fastening structure 5 and expand, accomplish the relaxation to raw and other materials.

Referring to fig. 4, a pressing block 503 is rotatably connected to a bottom end surface of each of the body arms 501, so that the pressing block 503 can ensure surface contact of the raw material, on one hand, to enhance clamping stability, and on the other hand, to prevent deformation of the raw material caused by edge contact.

Referring to fig. 6, each bottom end surface of the pressing block 503 is provided with a clamping groove, the clamping groove is of a V-shaped structure, and a layer of rubber pad 504 is adhered to the clamping groove, so that the clamping device can be suitable for clamping raw materials with different diameters on one hand, and can prevent the raw materials from slipping on the other hand.

Referring to fig. 1, the top end surface of the fixed seat 1 is fixedly connected with a motor 8 through a bolt, a gear 9 is fixedly connected to a rotating shaft of the motor 8, and the gear 9 is engaged with a toothed ring 201, so that the cylindrical barrel 2 and the raw material can be driven to rotate by the motor 8, and the rotary grinding is realized.

The specific use mode and function of the embodiment are as follows:

when the device is used, raw materials are placed in the middle of the four fastening structures 5, then high-pressure gas enters the inside of the cylindrical barrel 2 through the gas inlet 202, the high-pressure gas can push the pressing barrel 3 connected in the cylindrical barrel 2 in a sliding mode to move forwards, the four fastening structures 5 can be combined when the pressing barrel 3 moves forwards, and the raw materials can be clamped by the pressing blocks 503 on the fastening structures 5;

in the whole pressing process, firstly, a conical groove 301 is formed in the opening of the pressing cylinder 3, and the top end face of the main body arm 501 on the fastening structure 5 is of a semicircular structure, so that the friction resistance between the pressing cylinder 3 and the fastening structure 5 can be reduced, and the pressing cylinder 3 can be more convenient to press the fastening structure 5;

secondly, the bottom end face of the body arm 501 is rotatably connected with a pressing block 503, so that the raw materials of the pressing block 503 can be ensured to be in surface contact, on one hand, the clamping stability is enhanced, and on the other hand, the raw materials are prevented from being deformed due to edge contact.

Thirdly, a clamping groove is formed in the bottom end face of each pressing block 503, the clamping groove is of a V-shaped structure, and a layer of rubber pad 504 is adhered to the clamping groove, so that the clamping device can be suitable for clamping raw materials with different diameters on the one hand, and can prevent the raw materials from slipping on the other hand.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a grinding needle head loader clamping mechanism which characterized in that: the clamping mechanism for the grinding needle head loading and unloading machine comprises a fixed seat (1), a cylindrical barrel (2), a toothed ring (201), an air inlet (202), a pressing barrel (3), a tapered groove (301), a cylindrical rod (4), a baffle ring (401), a spring (402), a fastening structure (5), a main body arm (501), a baffle plate (502), a pressing block (503), a rubber pad (504), a supporting cylindrical rod (6), an elastic telescopic rod (7), a motor (8) and a gear (9); the fixing seat (1) is of a rectangular block structure, and a cylindrical barrel (2) is rotatably connected to the fixing seat (1); a gear ring (201) is welded at the rear side of the outer wall of the cylindrical barrel (2), and an air inlet (202) is formed in the bottom end face of the cylindrical barrel (2); the bottom end face of the inner wall of the cylindrical barrel (2) is welded with a cylindrical rod (4), and eight air outlet holes connected with the air inlet (202) are formed in the outer wall of the cylindrical rod (4) in an annular array shape; the outer wall of the cylindrical rod (4) is sleeved with a pressing cylinder (3); the front side of the outer wall of the cylindrical rod (4) is in an annular array shape and is rotatably connected with four fastening structures (5) through a rotating connecting seat, and each fastening structure (5) consists of a main body arm (501), a baffle plate (502), a pressing block (503) and a rubber pad (504).

2. The grinding needle handling machine clamping mechanism of claim 1, wherein: the pressing cylinder (3) is of a cylindrical tubular structure, a conical groove (301) is formed in the cylinder opening of the pressing cylinder (3), and the top end face of the upper body arm (501) of the fastening structure (5) is of a semicircular structure.

3. The grinding needle handling machine clamping mechanism of claim 1, wherein: the top end face of the main body arm (501) is welded with a baffle plate (502).

4. The grinding needle handling machine clamping mechanism of claim 1, wherein: the outer wall of the cylindrical rod (4) is welded with a retaining ring (401), and a spring (402) is sleeved between the retaining ring (401) and the pressing cylinder (3) on the outer wall of the cylindrical rod (4).

5. The grinding needle handling machine clamping mechanism of claim 1, wherein: a supporting cylindrical rod (6) is welded at the center of the front end face of the cylindrical rod (4), and four elastic telescopic rods (7) are welded on the outer wall of the supporting cylindrical rod (6) in an annular array shape; every elasticity telescopic link (7) top is spherical structure, and every elasticity telescopic link (7) top all contacts with the semi-annular groove of main part arm (501) bottom.

6. The grinding needle handling machine clamping mechanism of claim 1, wherein: and the bottom end surface of each main body arm (501) is rotatably connected with a pressing block (503).

7. The grinding needle handling machine clamping mechanism of claim 1, wherein: each bottom end face of each pressing block (503) is provided with a clamping groove which is of a V-shaped structure, and a layer of rubber pad (504) is adhered in each clamping groove.

8. The grinding needle handling machine clamping mechanism of claim 1, wherein: the top end face of the fixed seat (1) is fixedly connected with a motor (8) through a bolt, a gear (9) is fixedly connected to a rotating shaft of the motor (8), and the gear (9) is meshed with the gear ring (201).