CN210550368U - Hold in palm dress face and grind frock suitable for holding in palm dress structure mechanical seal - Google Patents
Hold in palm dress face and grind frock suitable for holding in palm dress structure mechanical seal Download PDFInfo
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- CN210550368U CN210550368U CN201921693428.3U CN201921693428U CN210550368U CN 210550368 U CN210550368 U CN 210550368U CN 201921693428 U CN201921693428 U CN 201921693428U CN 210550368 U CN210550368 U CN 210550368U
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Abstract
The utility model provides a hold in palm dress face and grind frock suitable for hold in palm dress structure mechanical seal, include: the grinding device comprises a handle structure and a grinding disc positioned below the handle structure, wherein the handle structure comprises screw rods and a handle, the handle is provided with strip-shaped through holes matched with the screw rods in number, and two screw rods are arranged in each strip-shaped through hole; after the screw rod penetrates through the long strip-shaped through hole, the screw rod is locked and limited through nuts arranged on the upper side and the lower side of the handle, so that the screw rod can transversely slide or longitudinally slide in the long strip-shaped through hole; the bottom end of the screw rod is connected with the back of the grinding disc, and the grinding disc is driven to grind a workpiece to be machined through the relative movement of the screw rod in the handle structure. The utility model has the advantages of easy dismounting, required frock part is few, high-efficient high accuracy processing, machining efficiency height.
Description
Technical Field
The utility model relates to a grinding process technical field especially relates to a hold in palm dress face and grind frock suitable for hold in palm dress structure mechanical seal, and the general terminal surface that has the high plane degree requirement of boss structure to grind in treating the processing face.
Background
For the mechanical seal of the supporting structure, in order to ensure the sealing performance on the sealing surface, the flatness of the back of the attached non-compensation ring and the surface of the metal piece is required to be higher, and the flatness is generally required to reach at least 0.0015 mm. The back of the non-compensating ring can be machined by a grinding machine, but the machining cannot be finished on the existing grinding machine when the surface of the metal part, particularly the surface, is provided with the lug boss structure.
Currently, two methods are often used to solve this problem: 1. during design, the supporting surface is separated from the gland and is designed into two parts, and the supporting surface is connected with the gland again by using a fastener after being ground; 2. the mounting surface is machined directly using turning without grinding. The former is connected by a fastener, which easily causes the deformation of the grinding surface due to the tightening force of a bolt to generate the flatness out-of-tolerance, and the latter can not directly turn to meet the requirement of the flatness of 0.0015 mm.
Therefore, in view of the above, there is a need to provide a new grinding tool for a mounting surface to solve the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
According to the technical problem provided by the invention, the supporting surface grinding tool suitable for mechanical seal of the supporting structure is provided. The utility model mainly utilizes the lead screw and the nut to realize the adjustment and fixation of the handle position; the grinding disc groove and the high-precision surface are matched with grinding paste to realize the processing of the surface to be ground; the threaded hole on the back of the grinding disc is connected with the screw rod, so that the grinding disc is connected with the adjustable handle, and the grinding disc is ensured to be in contact with the surface to be ground below the boss; the handle is utilized to apply downward pressure on the grinding disc and rotate the handle to drive the grinding disc to rotate, so that grinding operation is realized. The utility model discloses a technical means as follows:
the utility model provides a hold in palm dress face and grind frock suitable for holding in palm dress structure mechanical seal, includes: the grinding device comprises a handle structure and a grinding disc positioned below the handle structure, wherein the handle structure comprises screw rods and a handle, the handle is provided with strip-shaped through holes matched with the screw rods in number, and two screw rods are arranged in each strip-shaped through hole; after the screw rod penetrates through the long strip-shaped through hole, the screw rod is locked and limited through nuts arranged on the upper side and the lower side of the handle, so that the screw rod can transversely slide or longitudinally slide in the long strip-shaped through hole; the bottom end of the screw rod is connected with the back surface of the grinding disc, and the grinding disc is driven to grind a workpiece to be machined through the relative movement of the screw rod in the handle structure; the handle structure is connected with the grinding disc through the screw rod to form a grinding tool.
Furthermore, the grinding disc and the screw rod are connected in a threaded connection or a buckling connection mode.
Furthermore, the grinding disc is a cylinder with a through hole in the middle, the inner diameter of the grinding disc is smaller than that of the surface to be processed, and the outer diameter of the grinding disc is larger than that of the surface to be processed; when the inner side of the surface to be processed is provided with a boss, the inner diameter of the grinding disc and the outer diameter of the boss form small clearance fit; when the outer side of the surface to be processed is provided with a boss, the outer diameter of the grinding disc and the inner diameter of the boss form small clearance fit.
The inner side of the surface to be processed is provided with the boss, namely, the surface where the boss is higher than the surface to be ground is positioned on the inner side of the surface to be ground, when the boss is arranged on the inner side of the surface to be processed, the grinding disc can grind the surface to be processed, the bosses are all positioned in the through hole of the grinding disc, the outer diameter of the boss is smaller than or slightly equal to the inner diameter of the grinding disc, and the inner diameter of the grinding disc and the outer diameter of the adjacent boss form small clearance fit, so that the grinding disc can be guaranteed to freely rotate on the surface to be processed and cannot slide in a horizontal plane.
The outer side of the surface to be processed is provided with the boss, namely the surface where the boss is higher than the surface to be ground is positioned on the outer side of the surface to be ground, when the boss is arranged on the outer side of the surface to be processed, the grinding disc can grind the surface to be processed, the bosses are all positioned outside the outer diameter of the grinding disc, the inner diameter of each boss is larger than or slightly equal to the outer diameter of the grinding disc, the outer diameter of each grinding disc and the inner diameter of the adjacent boss form small clearance fit, and therefore the grinding disc can be guaranteed to freely rotate on the surface to be processed and cannot slide in a horizontal plane.
Furthermore, the front surface of the grinding disc is a high-precision plane, at least six rectangular grooves penetrating through the outer diameter are formed in the front surface of the grinding disc and used for storing grinding paste and micro iron chips removed from the surface to be processed during grinding operation, and the grooves are arranged at equal angles. The rectangle runs through the recess of external diameter means that the cuboid that is greater than the abrasive disc external diameter with at least three length obtains the recess that has certain shape in the front cutting of abrasive disc, because the abrasive disc middle part is the through-hole, then two recesses of disconnection can be cut out to same cuboid, and the projection of all recesses that obtain on the front all can be equivalent to the rectangle, and the recess has certain degree of depth.
Furthermore, at least one strip-shaped through hole is formed, and the strip-shaped through holes are arranged at equal angles.
Further, the nuts which are arranged on the upper side and the lower side of the handle and used for locking and limiting the same screw rod are at least provided with 1 nut.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses a hold in palm dress face and grind frock suitable for hold in palm dress structure mechanical seal has effectively solved the machining problem that holds in the palm the dress face in the processing of holding in the palm dress structure mechanical seal product, has the adjustable operating handle of abrasive disc cooperation of high accuracy plane and recess, has guaranteed the plane degree of holding in the palm the dress face under the manual grinding condition.
2. The utility model discloses a hold in palm dress face and grind frock suitable for hold in palm dress structure mechanical seal, various bosss on treating the machined surface can be avoided to height-adjustable's handle for the abrasive disc can stretch into the face of treating of boss below, accomplishes the plane that traditional mechanical grinding can't be processed.
3. The utility model discloses a hold in palm dress face and grind frock suitable for hold in palm dress structure mechanical seal, adjustable handle portion can match the abrasive disc of various sizes and the boss of various heights, only needs the product grinding processing that one set of adjustable handle portion can accomplish various dimensions, practices thrift the cost, makes things convenient for the management of technology frock.
4. The utility model discloses a hold in palm dress face and grind frock suitable for hold in palm dress structure mechanical seal, adjustable handle adjusts conveniently, need not other any instrument and can accomplish the regulation, and the handle both sides leave sufficient gripping distance, makes things convenient for the operator to implement the grinding operation, accords with human functional design, effectively reduces operator intensity of labour, improves product machining efficiency and machining precision.
5. The utility model discloses a hold in palm dress face and grind frock suitable for hold in palm dress structure mechanical seal can process all kinds of support dress faces that have boss structure, and the back flatness of grinding can reach 0.001mm to this frock has adjustable handle device, and the surface of treating to process to equidimension not only need adjust behind the handle portion change corresponding abrasive disc can. The tool has the advantages of convenience in disassembly and assembly, few required tool parts, high-efficiency and high-precision machining and the like.
Based on the reason, the utility model discloses can extensively promote in fields such as holding in the palm processing of dress structure mechanical seal part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic front structural view of the middle grinding disc of the present invention.
In the figure: 1. a workpiece to be processed; 2. a grinding disk; 3. a screw rod; 4. a handle; 5. a nut; 11. a boss; 12. a ground surface; 21. and (4) a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, the utility model provides a supporting surface grinding tool suitable for mechanical seal of a supporting structure, which comprises a handle structure and a grinding disc 2 positioned below the handle structure, wherein the handle structure comprises two screw rods 3 and a handle 4; a long strip-shaped through hole is formed in the handle 4, four nuts 5 are arranged on the upper side and the lower side of the handle 4, after the two lead screws 3 penetrate through the long strip-shaped through hole, the four nuts 5 lock and limit the two lead screws 3, so that the lead screws 3 can transversely slide or longitudinally slide in the long strip-shaped through hole, and the position of the handle 4 can be conveniently adjusted. Wherein, two nuts 5 twist two lead screws 3 respectively and all are located handle 4 top, and two other nuts twist two lead screws 3 respectively and all are located handle 4 below, behind adjustment handle 4 to required position, with two upper and lower nuts 5 on two lead screws 3 all locking, can fix handle 4 on the position of adjusting. Threaded holes are formed in the left side and the right side of the back face of the grinding disc 2, the bottom ends of the two lead screws 3 are screwed into the threaded holes in the back face of the grinding disc 2 respectively to be connected in a threaded mode, relative movement of the lead screws 3 is achieved, the grinding disc 2 is driven to grind a workpiece 1 to be machined, the handle 4 is connected with the grinding disc 2 through the lead screws 3, and accordingly a grinding tool is formed. Utilize 2 back screw holes of abrasive disc and 3 connections of lead screw, realize the connection of abrasive disc 2 and handle 4 and guarantee abrasive disc 2 and the contact of the face of treating the grinding that is located below the boss 11, can realize the change of the abrasive disc 2 of different internal and external diameters simultaneously for the face of grinding in order to adapt to the difference.
The grinding disc 2 has a plurality of dimensions, the grinding discs 2 with different dimensions are selected according to the ground surface 12 of the workpiece 1 to be machined, the grinding disc 2 is a cylinder with a through hole in the middle, the inner diameter of the grinding disc 2 is smaller than that of the ground surface 12, and the outer diameter of the grinding disc 2 is larger than that of the ground surface 12; when the inner side of the ground surface 12 is provided with the boss 11, the inner diameter of the grinding disc 2 and the outer diameter of the boss 11 form small clearance fit; when the boss 11 is formed outside the surface 12 to be polished, the outer diameter of the polishing disk 2 and the inner diameter of the boss 11 form a close clearance fit.
The back of the grinding disc 2 is provided with two threaded holes, the external threads at the bottom end of the screw rod 3 are connected with the internal threads of the threaded holes, or two sides of the back of the grinding disc 2 are respectively provided with a buckle, the buckles are connected with the screw rod 3, and the buckles and the screw rod 3 are detachably connected. The grinding tool is connected with the handle 4 through the screw rod 3, so that when grinding operation is carried out, downward pressure applied to the handle 4 is uniformly transmitted to the surface of the grinding disc 2 through the nut 5 and the screw rod 3, and the grinding disc 2 is effectively attached to a ground surface 12 of a workpiece 1 to be machined and has certain contact force. Meanwhile, when the grinding operation is carried out, the screw rod 3 is driven to rotate clockwise or anticlockwise in the horizontal direction through the rotating handle 4, and the screw rod 3 drives the grinding disc 2 to rotate, so that the relative movement of the grinding disc 2 and the ground surface 12 is realized, and the grinding operation is completed.
The front surface of the grinding disc 2 is a high-precision plane, and six rectangular grooves 21 penetrating through the inner diameter and the outer diameter are formed in the front surface of the grinding disc 2, as shown in fig. 2. The high-precision plane ensures that the planeness of the ground surface 12 on the workpiece 1 to be processed reaches the technical requirement after grinding, and the groove 21 is used for storing grinding paste and tiny scrap iron removed from the ground surface 12 during grinding operation, so that the grinding quality is ensured.
Example 2
In this embodiment, two perpendicular strip-shaped through holes are formed in the handle 4, the screw rods 3 are four, two screw rods 3 are placed in each strip-shaped through hole, four threaded holes are formed in the back face of the grinding disc 2, and external threads at the bottom ends of the four screw rods 3 are respectively in threaded connection with internal threads of the four threaded holes. Each lead screw 3 is locked and limited by four nuts 5, and the upper side and the lower side of each lead screw 3 are respectively screwed into the two nuts 5.
The working process is as follows:
the supporting surface grinding tool applicable to the mechanical seal of the supporting structure can adjust the position of the operating handle 4 according to the size of the grinding disc 2 and the size of the boss 11 on the workpiece 1 to be machined; the grinding disc 2 is replaced by different inner and outer diameter sizes according to different ground surfaces 12 on the workpiece 1 to be machined; the handle 4 is connected with the grinding disc 2 through the screw rod 3 to form a grinding tool. When the grinding device is used, an appropriate grinding disc 2 is selected according to the size of a ground surface 12 and the size of a boss 11 on a workpiece 1 to be machined, two screw rods 3 positioned in each strip-shaped through hole slide left and right in each strip-shaped through hole of a handle 4, all the screw rods 3 are screwed into threaded holes on the back surface of the selected grinding disc 2 respectively, the upper position and the lower position of the handle 4 are adjusted to be convenient to grind by sliding the screw rods 3 up and down according to the height of the boss 11 on the workpiece 1 to be machined, a nut 5 on the upper surface and the lower surface of the handle 4 is locked to clamp the handle 4 after adjustment is completed, and the relative position of the handle; the front surface of the grinding disc 2 is fully coated with grinding paste, two ends of the handle 4 are respectively held by two hands of an operator, the mounted grinding tool is inserted into the workpiece 1 to be machined, the grinding disc 2 is completely attached to the ground surface 12, the two ends of the handle 4 are respectively held by the two hands of the operator, the handle 4 is rotated anticlockwise or clockwise in the horizontal direction and kept pressed down, the grinding disc 2 is driven to perform concentric circular motion on the surface of the ground surface 12 until the surface of the ground surface 12 is completely ground in place, and the grinding operation on the surface of the workpiece is completed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a hold in palm dress face and grind frock suitable for holding in palm dress structure mechanical seal which characterized in that includes: the grinding device comprises a handle structure and a grinding disc (2) positioned below the handle structure, wherein the handle structure comprises screw rods (3) and a handle (4), the handle (4) is provided with strip-shaped through holes matched with the screw rods (3) in number, and two screw rods (3) are arranged in each strip-shaped through hole; after the screw rod (3) penetrates through the strip-shaped through hole, the screw rod (3) is locked and limited through nuts (5) arranged on the upper side and the lower side of the handle (4), so that the screw rod (3) can transversely slide or longitudinally slide in the strip-shaped through hole; the bottom end of the screw rod (3) is connected with the back of the grinding disc (2), and the grinding disc (2) is driven to grind the workpiece (1) to be machined through the relative movement of the screw rod (3) in the handle structure.
2. The supporting surface grinding tool suitable for the mechanical seal of the supporting structure as claimed in claim 1, wherein the grinding disc (2) and the screw rod (3) are connected in a threaded connection or a snap connection.
3. The supporting surface grinding tool suitable for the mechanical seal of the supporting structure according to claim 1 or 2, wherein the grinding disc (2) is a cylinder with a through hole in the middle, the inner diameter of the grinding disc (2) is smaller than that of the surface to be processed, and the outer diameter of the grinding disc (2) is larger than that of the surface to be processed; when the inner side of the surface to be processed is provided with the boss (11), the inner diameter of the grinding disc (2) and the outer diameter of the boss (11) form small clearance fit; when the outer side of the surface to be processed is provided with the boss (11), the outer diameter of the grinding disc (2) and the inner diameter of the boss (11) form small clearance fit.
4. The supporting surface grinding tool suitable for the mechanical seal of the supporting structure as claimed in claim 3, wherein the front surface of the grinding disc (2) is a high-precision plane, at least six rectangular grooves (21) penetrating through the outer diameter are formed in the front surface of the grinding disc, and the grooves (21) are arranged at equal angles.
5. The tooling for grinding the mounting surface of the mechanical seal of the mounting structure, according to claim 1, wherein at least one of the elongated through holes is arranged at equal angles.
6. The supporting surface grinding tool suitable for the mechanical seal of the supporting structure as claimed in claim 1, wherein at least 1 nut (5) is arranged on the upper side and the lower side of the handle (4) for locking and limiting the same screw rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693428.3U CN210550368U (en) | 2019-10-11 | 2019-10-11 | Hold in palm dress face and grind frock suitable for holding in palm dress structure mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693428.3U CN210550368U (en) | 2019-10-11 | 2019-10-11 | Hold in palm dress face and grind frock suitable for holding in palm dress structure mechanical seal |
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| Publication Number | Publication Date |
|---|---|
| CN210550368U true CN210550368U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921693428.3U Active CN210550368U (en) | 2019-10-11 | 2019-10-11 | Hold in palm dress face and grind frock suitable for holding in palm dress structure mechanical seal |
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| CN (1) | CN210550368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567231A (en) * | 2021-08-23 | 2021-10-29 | 星河动力(北京)空间科技有限公司 | Plugging cover and pressure-bearing test device |
-
2019
- 2019-10-11 CN CN201921693428.3U patent/CN210550368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567231A (en) * | 2021-08-23 | 2021-10-29 | 星河动力(北京)空间科技有限公司 | Plugging cover and pressure-bearing test device |
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