CN111266448B

CN111266448B - Fixing and clamping assembly

Info

Publication number: CN111266448B
Application number: CN202010105800.5A
Authority: CN
Inventors: 孙阳; 罗江; 石映奔; 陈鹏; 陈彧颋
Original assignee: Chengdu Guangming Paite Precious Metal Co ltd; CDGM Glass Co Ltd
Current assignee: Chengdu Guangming Paite Precious Metal Co ltd; CDGM Glass Co Ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2021-09-28
Anticipated expiration: 2040-02-20
Also published as: CN111266448A

Abstract

The invention discloses a fixing and clamping assembly which comprises a connecting rod, a supporting block and a stop block; the connecting rod is sequentially provided with a supporting block and a stop block coaxially; when the connecting rod is used, one end of the connecting rod is coaxially connected with the end part of the lower embossing die; the outer wall of the supporting block is used for being contacted in the workpiece cylinder body in a formed annular groove and used for balancing the workpiece cylinder body; the end face of the stop block facing the supporting block is used for abutting and contacting with the end face of the lower die far away from the pressing corrugation on the workpiece barrel. The invention effectively and simply ensures the quality and the manufacturing efficiency of the corrugated pipe by the components, and solves the problems that the corrugation is easy to deviate in the manufacturing process, the same corrugation is not on the same circumference of the platinum cylinder, and the product is scrapped; the number of cooperative personnel is reduced, the quality of the platinum corrugated pipe is ensured, and the manufacturing efficiency is improved.

Description

Fixing and clamping assembly

Technical Field

The invention relates to the technical field of machining, in particular to a fixing and clamping assembly.

Background

Platinum is used as a smelting channel in the preparation process of optical glass and liquid crystal substrate glass, the melting point of the platinum is about 1700 ℃, but when the glass is smelted at high temperature, particularly 1450 ℃, a platinum product is heated to deform, so that the strength of the platinum product is reduced, and a corrugated structure is required to be added to ensure the high-temperature strength of the platinum. The platinum corrugations are manufactured through a pressure equipment clamping die, after the pressure equipment is started, the pressure corrugation convex-concave die rotates along with the equipment and gathers and draws close, the rotating convex-concave die contacts the surface of the platinum and then drives the platinum cylinder to rotate and form corrugations on the surface, the platinum cylinder is in a free state at the moment, the equipment does not have a fixed clamping assembly, the cylinder is easy to deflect, the same corrugation walking track is not on the same circumference, shearing force is formed, the platinum product cracks at high temperature, and the platinum product is scrapped. The ripple manufacturing process is not provided with a fixed clamping assembly, and is completed by assistance of a plurality of people, so that the efficiency is very low.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in the process of manufacturing the corrugated structure of the cylinder body, the cylinder body is easy to deviate, so that the same corrugated walking track is not on the same circumference, the quality of a finished product is reduced, in addition, in the manufacturing process, the operation is assisted by multiple persons, and the processing efficiency is low.

The invention is realized by the following technical scheme:

a fixing and clamping assembly comprises a connecting rod, a supporting block and a stop block; the connecting rod is sequentially provided with a supporting block and a stop block coaxially; when the connecting rod is used, one end of the connecting rod is coaxially connected with the end part of the lower embossing die; the outer wall of the supporting block is used for being contacted in the workpiece cylinder body in a formed annular groove and used for balancing the workpiece cylinder body; the end face of the stop block facing the supporting block is used for abutting and contacting with the end face of the lower die far away from the pressing corrugation on the workpiece barrel.

The fixing and clamping assembly provided by the invention is of a main structure consisting of a connecting rod, a supporting block and a check block, wherein the connecting rod is mainly used for fixing the supporting block and the check block and is connected with a lower ripple pressing die; the stop block is mainly used for axially locking the workpiece barrel, and can prevent the rotating workpiece barrel from axially shifting in the corrugation pressing process; the supporting shoe mainly used balances the work piece barrel, and the supporting shoe constitutes two strong points to work piece barrel along axial distribution with pressing ripple lower grinding apparatus, ensures that the work piece barrel rotates steadily, prevents that the work piece barrel from taking place radial offset.

The fixing and clamping assembly provided by the invention is simple in structure, low in manufacturing cost and convenient to use, and only needs to be fixed on the lower ripple pressing die when in use; and need not many people and assist the operation, can reduce the operation personnel, when having guaranteed platinum bellows quality, can effectively promote the preparation efficiency.

Further, be equipped with the gap on the dog, the dog is whole to be the ring structure of disconnection, gathers together gap department towards closed direction through the retaining member, realizes dog and connecting rod fixed connection.

Through set up the gap on the dog, make the dog be formed with the ring structure of fracture, constitute similar staple bolt structure, the loading and unloading work of the dog of being convenient for on the one hand, along connecting rod axial adjusting position operation, on the other hand is convenient for make the dog closely fix on the connecting rod. The gap department opens a mouthful grow, makes the whole internal diameter grow of ring structure, can cup joint on the connecting rod fast, then polymerization gap department, the mouth that opens of gap department diminish, make the whole internal diameter of ring structure diminish, tightly wrap up fixedly on the connecting rod.

Further, the retaining member includes a bolt; and a through hole is formed in one side of the gap, a threaded hole is formed in the other side of the gap, the axial leads of the through hole and the threaded hole are overlapped, and one end of the bolt penetrates through the through hole and then is screwed into the threaded hole for fixing.

The bolt is used as a locking piece, the opening and closing operation of the gap is realized through threaded connection, and the device is continuously adjustable and convenient to operate.

Further, the stopper is made of a non-rigid material, and the non-rigid material comprises nylon; the width of the gap is 1 mm-5 mm.

The stopper is made of non-rigid material, including but not limited to nylon, so that the opening and closing operation of the gap can be effectively realized.

Further, the check block is in interference fit and sleeved connection with the connecting rod.

The fixed firm degree to the work piece barrel is influenced to the elasticity degree that the dog was fixed on the connecting rod, if in the use, the dog took place the displacement along the connecting rod, then must arouse the axial skew of work piece barrel, causes same ripple walking orbit not on same circumference, forms the shearing force and leads to platinum goods to take place the fracture under the high temperature, appears that platinum goods is scrapped.

Furthermore, the supporting block is of a circular ring structure, and the supporting block is connected with the connecting rod in a sleeved mode in an interference fit mode.

The outer contour shape of the supporting block is matched with the workpiece barrel, and the outer wall of the supporting stop block is always in contact with the inner wall of the annular groove of the workpiece barrel in the rotating process of the workpiece barrel.

Further, the axial length of the support block is less than the width of the annular groove.

The annular groove can be a groove formed by directly pressing the corrugation pressing mold on the inner wall of the workpiece cylinder body, or a groove structure between adjacent convex corrugations formed by directly pressing the corrugation pressing mold on the inner body of the workpiece cylinder body; the axial length of the supporting block is smaller than the width of the annular groove, so that the annular groove plays a role in guiding and limiting the supporting block.

Furthermore, the end part of the connecting rod extends outwards along the axial direction to form a threaded rod, and the threaded rod is used for being embedded into a threaded hole in the end part of the lower pressing ripple mould so as to realize detachable connection of the connecting rod to the lower pressing ripple mould.

The connecting rod and the lower ripple pressing die are connected in a locking mode through threads, and the connecting rod and the lower ripple pressing die are simple in structure and convenient to operate.

Furthermore, the threaded rod is connected with the connecting rod through a polygonal rod, and the radial section of the polygonal rod is of a polygonal structure.

The rod section between the end part of the connecting rod and the threaded rod is arranged to be a polygonal area, namely the radial section of the rod section in the area is of a multi-variant structure, such as a square or a rectangle, and a wrench is conveniently adopted to rotate the connecting rod, so that the connecting rod is connected with the lower die for pressing the corrugations in a quick thread fit manner.

Furthermore, the diameter of the connecting rod is 50% of that of the lower die for pressing the corrugations, and the integral jumping degree of the connecting rod is within 0.1 mm.

The invention has the following advantages and beneficial effects:

1. the invention is beneficial to ensuring the compression molding quality of the corrugated cylinder body and avoiding the phenomenon of corrugation deviation molding shearing force. The fixing and clamping assembly provided by the invention is of a main structure consisting of a connecting rod, a supporting block and a check block, wherein the connecting rod is mainly used for fixing the supporting block and the check block and is connected with a lower ripple pressing die; the stop block is mainly used for axially locking the workpiece barrel, and can prevent the rotating workpiece barrel from axially shifting in the corrugation pressing process; the supporting shoe mainly used balances the work piece barrel, and the supporting shoe constitutes two strong points to work piece barrel along axial distribution with pressing ripple lower grinding apparatus, ensures that the work piece barrel rotates steadily, prevents that the work piece barrel from taking place radial offset.

2. The invention has simple structure and lower manufacturing and using cost. The fixing and clamping assembly provided by the invention is simple in structure, low in manufacturing cost and convenient to use, only needs to be fixed on the lower ripple pressing die when in use, is high in applicability, can be matched with any pressing grinding tool for use, and has very little change on the ripple pressing die structure.

3. The invention is beneficial to improving the production efficiency. The operation is not needed to be assisted by a plurality of people, the number of operating personnel can be reduced, and the manufacturing efficiency can be effectively improved while the quality of the platinum corrugated pipe is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic perspective view of a fixing and clamping assembly according to the present invention;

FIG. 2 is a schematic structural view of a fixing and clamping assembly according to the present invention in a use state;

FIG. 3 is a schematic structural view of a corrugation making front view without using the fixing and clamping assembly of the present invention;

FIG. 4 is a schematic structural view of a corrugation making front view of a fixing and clamping assembly according to the present invention;

FIG. 5 is a schematic top view of a corrugation making apparatus using the fixing clip assembly of the present invention.

Reference numbers and corresponding part names in the drawings: 1-connecting rod, 2-supporting block, 3-baffle block, 4-ripple pressing lower die, 5-workpiece barrel, 6-gap, 7-bolt, 8-threaded rod, 9-polygonal rod and 10-ripple pressing upper die.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

The embodiment provides a fixing and clamping assembly, which comprises a main body structure, a clamping component and a clamping component, wherein the main body structure comprises a connecting rod 1, a supporting block 2 and a stop block 3; the connecting rod 1 is sequentially provided with a supporting block 2 and a stop block 3 coaxially; the outer diameters of the stop block 3 and the supporting block 2 are smaller than the inner diameter of the workpiece cylinder 5. When in use, one end of the connecting rod 1 is coaxially connected with the end of the lower embossing mold 4; the outer wall of the supporting block 2 is used for the contact in the annular groove between the adjacent corrugated paths formed in the workpiece cylinder 5 and is used for balancing the workpiece cylinder 5; the end surface of the stop block 3 facing the supporting block 2 is used for abutting and contacting with the end surface of the workpiece cylinder 5 far away from the lower die 4 for pressing the corrugation.

Example 2

Further improve on embodiment 1's basis, be equipped with gap 6 on the dog 3, the dog 3 wholly is the ring structure of disconnection, gathers together 6 departments of gap towards closed direction through the retaining member, realizes dog 3 and connecting rod 1 fixed connection. The locking piece adopts a bolt 7, a through hole is formed in one side of the gap 6, a threaded hole is formed in the other side of the gap, the axial leads of the through hole and the threaded hole are overlapped, and one end of the bolt penetrates through the through hole and then is screwed into the threaded hole for fixation. The baffle block 3 is made of nylon material, the width of the gap 6 is 1 mm-5 mm, preferably 2 mm-3 mm, in this embodiment 2 mm; the stop block 3 is in interference fit and sleeved connection with the connecting rod 1.

Example 3

Further improve on embodiment 2's basis, supporting shoe 2 is the ring structure, and supporting shoe 2 cup joints with connecting rod 1 interference fit and is connected, and the axial length of supporting shoe 2 is less than the width of annular groove.

Example 4

According to a further improvement on the embodiment 3, a threaded rod 8 extends outwards from the end of the connecting rod 1 along the axial direction, and the threaded rod 8 is used for being embedded into a threaded hole at the end of the lower embossing mold 4 so as to realize the detachable connection of the connecting rod 1 to the lower embossing mold 4. The threaded rod 8 is connected with the connecting rod 1 through a polygonal rod 9, and the radial section of the polygonal rod 9 is of a polygonal structure. The diameter of the connecting rod 1 is 50% of that of the lower pressing ripple mould 4, and the integral jumping degree of the connecting rod 1 is within 0.1 mm.

Example 5

Embodiment 4 provides an application of the fixing and clamping assembly in preparation of a platinum corrugated pipe, which includes the following specific steps:

step 1, connecting a threaded rod at one end of a connecting rod with a lower ripple pressing die in a threaded manner, and locking the threaded rod through a polygonal rod area connected with the threaded rod by using a wrench.

And 2, penetrating the nylon supporting block on the connecting rod, penetrating the platinum cylinder on the connecting rod, placing the platinum cylinder at a position to be subjected to corrugation pressing, adjusting an upper corrugation pressing die and a lower corrugation pressing die, and adjusting the nylon supporting block to the proper position of the platinum cylinder to balance the platinum cylinder.

And step 3, penetrating the nylon check block on the connecting rod, attaching the end face of one end of the nylon check block to the end face of the platinum barrel, and locking the nylon check block.

And 4, starting the pressure equipment, and enabling the corrugation pressing to be stably carried out through the mutual matching of the corrugation pressing upper die and the corrugation pressing lower die.

And 5, pressing ripples on the same circumference of the platinum cylinder, operating the pressure equipment, pressing the upper ripple mould to move upwards, loosening the nylon baffle, adjusting the position of the platinum cylinder, and repeating the steps 1-4 to press the rest ripples.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A fixing and clamping assembly is characterized by comprising a connecting rod (1), a supporting block (2) and a stop block (3); the connecting rod (1) is sequentially coaxially provided with a supporting block (2) and a stop block (3); when the connecting rod is used, one end of the connecting rod (1) is coaxially connected with the end of the lower ripple pressing die (4); the outer wall of the supporting block (2) is used for contact in the workpiece cylinder (5) in a formed annular groove and is used for balancing the workpiece cylinder (5); the end face of the stop block (3) facing the supporting block (2) is used for abutting and contacting with the end face of the workpiece cylinder (5) far away from the lower pressing ripple die (4).

2. The fixing and clamping assembly according to claim 1, wherein a gap (6) is formed in the stop block (3), the stop block (3) is integrally of an open circular ring structure, and the gap (6) is gathered in a closing direction through a locking piece, so that the stop block (3) is fixedly connected with the connecting rod (1).

3. A fixing clamp assembly according to claim 2, characterised in that the locking member comprises a bolt (7); and a through hole is formed in one side of the gap (6), a threaded hole is formed in the other side of the gap, the axial leads of the through hole and the threaded hole are overlapped, and one end of the bolt penetrates through the through hole and then is screwed into the threaded hole for fixing.

4. A fixing clip assembly as claimed in claim 2, wherein said stop (3) is made of a non-rigid material comprising nylon; the width of the gap (6) is 1-5 mm.

5. A fixing clamp assembly according to claim 2, wherein the stop block (3) is in interference fit and sleeve connection with the connecting rod (1).

6. The fixing and clamping assembly as claimed in claim 1, wherein the supporting block (2) is in a circular ring structure, and the supporting block (2) is in interference fit and sleeved connection with the connecting rod (1).

7. A fixing clip assembly as claimed in claim 6, characterised in that the axial length of the support block (2) is less than the width of the annular groove.

8. A fixing clamp assembly as claimed in any one of claims 1 to 7, characterized in that the end of the connecting rod (1) is extended axially outwards with a threaded rod (8), said threaded rod (8) being adapted to be inserted into a threaded hole in the end of the lower mold (4) for detachable connection of the connecting rod (1) to the lower mold (4).

9. A fixation clamp assembly as claimed in claim 8, characterized in that the threaded rod (8) is connected to the connecting rod (1) by a polygonal rod (9), the polygonal rod (9) having a polygonal cross-section.

10. A fixing and clamping assembly as claimed in claim 8, characterized in that the diameter of the connecting rod (1) is 50% of the diameter of the lower embossing die (4), and the integral runout of the connecting rod (1) is within 0.1 mm.