Front-and-back type glass clamp
By designing front and rear glass clamps, the front and back sides of the glass blank are clamped with the movable clamp and fixed clamping, the problems of damage and contamination of the mold surface to be pressed during clamping are solved, and an efficient and safe glass clamping process is achieved to ensure that Formation quality.
Patent Information
- Application Number
- CN202420362215.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-02-26
AI Technical Summary
In the process of forming ultra-high temperature glass, the prior art is difficult to avoid damage or contamination of the glass to be pressed during clamping, especially the lower part cannot be clamped up and down, which brings great challenges to clamping ultra-high temperature glass.
A front and rear glass clip is designed, including fixed pipe, front connecting pipe, rear connecting pipe, stroke rod, wire rope, fixed handle, movable handle, spring, movable clamp and fixed clamp, through the joint action of movable clamp and fixed clamp Take the front and back of the glass blank, use a self-lubricated copper bushing and WS2 solid lubricant film to reduce friction and ensure that the surface to be pressed does not touch.
The mold surface to be pressed is not damaged and the clamping action is simple and efficient, ensuring the cleanliness and molding quality of the glass blank.
Smart Images
Figure CN222205042U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a glass clamp, in particular to a front-to-back type glass clamp used for clamping ultra-high temperature glass. Background Art
[0002] Illumination aspheric optical glass compression molding means: after heating the glass blank to the softening point, it is placed on the press table and pressed into shape by the corresponding mold. The heating of the glass blank is carried out in a high-temperature softening furnace. After heating for a certain period of time, the glass blank is in a critical state of softness and hardness. At this time, the operator needs to use a clamp to clamp the glass blank into the mold, and the press machine applies pressure to form it.
[0003] The left and right sides of the glass blank to be pressed have very high requirements on surface finish, cleanliness and defects, which directly affect the quality of the molded product. These surfaces should be avoided when clamping. However, the lower part of the glass blank is placed on the supporting device, and it cannot be clamped up and down. Therefore, it can only be clamped from front to back, which brings great challenges to clamping ultra-high temperature glass. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a front-to-back glass clamp whose pressing surface is not damaged.
[0005] The technical solution adopted by the utility model to solve the technical problem is: a front-to-back glass clamp, comprising a fixed tube, a front connecting tube, a rear connecting tube, a travel rod, a wire rope, a fixed handle, a movable handle, a spring, a movable clamp and a fixed clamp, wherein the fixed clamp is arranged at the front end of the fixed tube, and the front connecting tube and the rear connecting tube are respectively connected to the front and rear ends of the fixed tube; the fixed handle and the movable handle are respectively connected to the rear connecting tube; the fixed tube, the front connecting tube and the rear connecting tube are all hollow tubes; a threaded portion is arranged at the front end of the travel rod, and the rest of the travel rod is a bare rod portion, the bare rod portion of the travel rod passes through the front connecting tube and is connected to the wire rope; the wire rope passes through the fixed tube and the rear connecting tube, and is tightly attached to and locked with the movable handle; a movable clamp and two locking nuts are arranged on the threaded portion of the travel rod, the two locking nuts lock the movable clamp, and the two locking nuts are fixed on the travel rod; the movable clamp is parallel to the fixed clamp and the working surfaces correspond; the spring is sleeved on the travel rod and arranged between the locking nut and the front connecting tube.
[0006] Furthermore, the front connecting tube is embedded with a self-lubricating copper bushing, the self-lubricating copper bushing is fixed to the front connecting tube, and the bare rod portion of the travel rod passes through the self-lubricating copper bushing, the front connecting tube and a portion of the fixed tube.
[0007] Furthermore, the self-lubricating copper bushing is fixed to the front connecting pipe by an M3 hexagon socket bolt. The inner wall of the self-lubricating copper bushing is plated with a WS2 solid lubricant film layer.
[0008] Furthermore, the angle between the central axis of the fixed handle and the movable handle is 30° to 40°.
[0009] Furthermore, the front connecting pipe and the rear connecting pipe are connected to the front and rear ends of the fixing pipe respectively by M3 hexagon socket bolts.
[0010] Furthermore, the fixed handle is connected to the rear connecting pipe via an M5 hexagon socket bolt.
[0011] Furthermore, the movable handle is connected to the rear connecting pipe via a pin.
[0012] Furthermore, after the steel wire rope passes through the rear connecting pipe, it is tightly attached to and locked with the movable handle through the pipe clamp.
[0013] Furthermore, the locking nut is fixed to the travel rod by an M3 hexagon socket bolt.
[0014] The beneficial effects of the utility model are as follows: the front and back faces of the glass blank are clamped by the movable clamping plate moving backward and working together with the fixed clamping plate, without touching the surface to be pressed of the glass blank, so that the surface to be pressed is not damaged or dirty; the clamping action is simple and efficient, and the glass blank is placed quickly and smoothly. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the front and rear glass clamp of the utility model.
[0016] Figure 2 It is a partial cross-sectional view of the front end of the front-rear glass clamp of the utility model. DETAILED DESCRIPTION
[0017] like Figure 1-2As shown, the two ends of the front-to-back glass clamp of the utility model are movable parts, one end applies external force to drive the other end to move, and the middle is a fixed part, which is used to connect the movable parts at the two ends. The front-to-back glass clamp of the utility model includes a fixed tube 1, a front connecting tube 2, a rear connecting tube 3, a travel rod 6, a wire rope 11, a fixed handle 8, a movable handle 12, a spring 13, a movable splint 14 and a fixed splint 16, wherein the fixed tube 1 is the fixed part in the middle, the fixed splint 16 is arranged at the front end of the fixed tube 1, the front connecting tube 2 and the rear connecting tube 3 are respectively connected to the front and rear ends of the fixed tube 1 through M3 hexagon socket bolts 4, the front connecting tube 2 is embedded with a self-lubricating copper bushing 5, and is fixed to the front connecting tube 2 through M3 hexagon socket bolts 4; the fixed handle 8 is connected to the rear connecting tube 3 through M5 hexagon socket bolts 7, and the movable handle 12 is connected to the rear connecting tube 3 through a pin 9; the fixed tube 1, the front connecting tube 2 and the rear connecting tube 3 are all hollow tubes, the front end of the travel rod 6 is provided with an M6 threaded part, and the rest is a bare rod part The bare rod part of the travel rod 6 passes through the self-lubricating copper bushing 5, the front connecting tube 2 and a part of the fixed tube 1, and is connected to the wire rope 11; one end of the wire rope 11 is connected to the travel rod 6, and the wire rope 11 passes through the fixed tube 1 and comes out from the rear connecting tube 3, and then is tightly attached to and locked with the movable handle 12 through the pipe clamp 10. A movable splint 14 and two locking nuts 15 are provided on the threaded part of the travel rod 6. The two locking nuts 15 lock the movable splint 14. The two locking nuts 15 are fixed to the travel rod 6 by M3 hexagon socket bolts 4, so that the movable splint 14 is fixed to the travel rod 6 together; the movable splint 14 is parallel to the fixed splint 16 and the working surface corresponds to the working surface, which refers to the contact surface of clamping the glass blank and the glass blank; the spring 13 is sleeved on the travel rod 6 and is arranged between the locking nut 15 and the front connecting tube 2.
[0018] The fixed tube 1 is made of φ16×2mm 304 stainless steel tube; the inner wall of the self-lubricating copper bushing 5 in the front connecting tube 2 is plated with a WS2 solid lubricant film layer, and the inner diameter of the self-lubricating copper bushing 5 is φ6mm, which can make the travel rod 6 with a diameter of φ6mm slide smoothly without jamming; the outer diameter of the wire rope 11 is φ1mm, and the inner diameter of the pipe clamp 10 is φ10mm~φ16mm; the function of the fixed handle 8 is to facilitate hand support, and the angle between the central axis of the fixed handle 8 and the movable handle 12 is 30°~40°.
[0019] During operation, the operator presses down the movable handle 12, driving the steel wire 11 to pull down, and the travel rod 6 connected to the steel wire 11 moves backward, driving the movable clamping plate 14 to move backward at the same time, and the movable clamping plate 14 and the fixed clamping plate 16 of the fixed tube 1 work together to clamp the glass blank, and the spring 13 is compressed at this time; after the glass blank is clamped into the mold, the movable handle 12 is released, and the resilience of the spring 13 restores the movable clamping plate 14 to its original position. The whole process can be completed with one hand, and the operation is stable, simple and fast.
Claims
1. Front and rear glass clamp, characterized by: The invention comprises a fixed tube (1), a front connecting tube (2), a rear connecting tube (3), a travel rod (6), a wire rope (11), a fixed handle (8), a movable handle (12), a spring (13), a movable splint (14) and a fixed splint (16), wherein the fixed splint (16) is arranged at the front end of the fixed tube (1), the front connecting tube (2) and the rear connecting tube (3) are respectively connected to the front and rear ends of the fixed tube (1); the fixed handle (8) and the movable handle (12) are respectively connected to the rear connecting tube (3); the fixed tube (1), the front connecting tube (2) and the rear connecting tube (3) are all hollow tubes; the front end of the travel rod (6) is provided with a threaded portion, and the rest of the travel rod (6) is a bare rod. The travel rod (6) has a bare rod portion that passes through the front connecting tube (2) and is connected to the steel wire rope (11); the steel wire rope (11) passes through the fixed tube (1) and the rear connecting tube (3) and is tightly attached to and locked with the movable handle (12); a movable splint (14) and two locking nuts (15) are provided on the threaded portion of the travel rod (6); the two locking nuts (15) lock the movable splint (14), and the two locking nuts (15) are fixed on the travel rod (6); the movable splint (14) is parallel to the fixed splint (16) and their working surfaces correspond; the spring (13) is sleeved on the travel rod (6) and is provided between the locking nuts (15) and the front connecting tube (2).
2. The front-to-back glass clamp according to claim 1, characterized in that: The front connecting tube (2) is embedded with a self-lubricating copper bushing (5), which is fixed to the front connecting tube (2); the bare rod portion of the travel rod (6) passes through the self-lubricating copper bushing (5), the front connecting tube (2) and a portion of the fixed tube (1).
3. The front-to-back glass clamp according to claim 2, characterized in that: The self-lubricating copper bushing (5) is fixed to the front connecting pipe (2) via an M3 hexagon socket bolt (4).
4. The front-to-back glass clamp according to claim 2, characterized in that: The inner wall of the self-lubricating copper bushing (5) is plated with a WS2 solid lubricant film layer.
5. The front-to-back glass clamp according to claim 1 or 2, characterized in that: The angle between the central axes of the fixed handle (8) and the movable handle (12) is 30° to 40°.
6. The front-to-back glass clamp according to claim 1 or 2, characterized in that: The front connecting pipe (2) and the rear connecting pipe (3) are respectively connected to the front and rear ends of the fixing pipe (1) via M3 hexagon socket bolts (4).
7. The front-to-back glass clamp according to claim 1 or 2, characterized in that: The fixed handle (8) is connected to the rear connecting pipe (3) via an M5 hexagon socket bolt (7).
8. The front-to-back glass clamp according to claim 1 or 2, characterized in that: The movable handle (12) is connected to the rear connecting pipe (3) via a pin shaft (9).
9. The front-to-back glass clamp according to claim 1 or 2, characterized in that: The steel wire rope (11) passes through the rear connecting pipe (3) and is tightly attached to and locked with the movable handle (12) through the pipe clamp (10).
10. The front-to-back glass clamp according to claim 1 or 2, characterized in that: The locking nut (15) is fixed on the travel rod (6) via an M3 hexagon socket bolt (4).