A high-speed tapping jig
By designing a high-speed hammering fixture and adopting automated hammering methods and precise control, the problems of low efficiency and unstable quality of manual hammering have been solved. This has enabled efficient and stable separation of the sandblasting fixture, meeting the needs of large-scale production and reducing labor intensity and equipment maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGQIU JINZHENYUAN ELECTRONICS TECH CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-07-03
AI Technical Summary
In existing technologies, manual hammering and sandblasting of fixtures is inefficient, produces inconsistent quality, and is labor-intensive, making it difficult to meet the needs of modern large-scale production.
A high-speed hammering fixture was designed, which adopts an automated hammering method. The action of the hammering cylinder is precisely controlled by PLC. The positioning side plate, the limiting side plate, the positioning baffle and the blocking cylinder are used to position and limit the sandblasting fixture. A protective cover is set to protect the operator, so as to achieve stable and efficient separation of the sandblasting fixture.
It significantly improved production efficiency, ensured product quality stability, reduced the labor intensity of operators, reduced equipment maintenance costs, and met the needs of large-scale production.
Smart Images
Figure CN224445616U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of processing fixture technology, and in particular relates to a high-speed hammering fixture. Background Technology
[0002] Sandblasting is a crucial process in the manufacturing of components such as mobile phone buttons. To ensure uniform sandblasting on both sides of the button, the reverse side must be sandblasted after the front side is sandblasted. Figure 6 As shown, it is a three-dimensional sectional view of an existing sandblasting fixture 1, which includes a front sandblasting fixture 11 located below and a back sandblasting fixture 12 covering the front sandblasting fixture 11. Several products 2 are stuck between the front sandblasting fixture 11 and the back sandblasting fixture 12. Both the front sandblasting fixture 11 and the back sandblasting fixture 12 have sandblasting channels 13 opened along their length direction for sandblasting the products 2.
[0003] However, in practice, after sandblasting the front of product 2, sand particles easily become stuck between product 2 and sandblasting fixture 1, preventing product 2 from exiting fixture 1 properly. Currently, the industry commonly uses manual hammering to shake products out. This traditional method has many drawbacks: manual hammering is not only inefficient and unable to meet the growing mass production demands of mobile phones and other electronic products, but also the force and frequency of manual operation are difficult to maintain consistently, easily leading to product damage or unstable hammering effects, thus affecting product quality and production progress. In addition, long-term manual hammering increases the labor intensity of operators and poses certain occupational health risks. Therefore, the existing manual hammering method can no longer meet the requirements of modern large-scale production, and there is an urgent need for an efficient and stable automatic hammering fixture to solve this problem. Utility Model Content
[0004] To address the technical problems existing in the prior art, this application provides a high-speed hammering fixture to overcome the problems of low efficiency, unstable quality, and high labor intensity of manual hammering in the prior art. It can effectively improve production efficiency, ensure the consistency of product quality, reduce the labor intensity of operators, and meet the needs of mass production.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A high-speed striking fixture includes a base plate, with positioning side plates fixedly connected to both sides of the upper end of the base plate, and a positioning baffle fixedly connected to the base plate between the two positioning side plates. The sandblasting fixture is detachably clamped within the positioning space formed by the positioning side plates and the positioning baffle. A support rod is fixedly connected to the base plate outside the two positioning side plates, and a fixing plate is fixedly connected to the upper end of the support rod. Multiple striking cylinders are fixedly connected vertically downward to the fixing plate, and striking blocks are fixedly connected to the guide rods of the striking cylinders. When the guide rods of the striking cylinders reciprocate, they can drive the striking blocks to strike the sandblasting fixture.
[0007] Preferably, a limiting side plate and a limiting baffle are formed by extending inward from the upper end surfaces of the positioning side plate and the positioning baffle, respectively, and the sandblasting fixture is engaged in the positioning space below the limiting side plate and the limiting baffle.
[0008] Preferably, a sand-falling groove is provided on the base plate.
[0009] Preferably, a blocking cylinder is fixedly connected vertically upward on the lower end face of the base plate. The guide rod of the blocking cylinder is slidably inserted into the base plate. The blocking cylinder is arranged opposite to the positioning baffle and between the two positioning side plates. When the guide rod of the blocking cylinder retracts, the guide rod of the blocking cylinder is fully inserted into the base plate. When the guide rod of the blocking cylinder extends, the guide rod of the blocking cylinder moves to the top of the base plate.
[0010] Preferably, there are two blocking cylinders.
[0011] Preferably, the striking cylinder includes two side striking cylinders disposed on both sides and two central striking cylinders disposed in the middle, wherein the guide rods of the side striking cylinders and the central striking cylinders extend and retract alternately.
[0012] Preferably, a clearance groove is provided on the positioning side plate below the side striking cylinder, and the striking block on the guide rod of the side striking cylinder can move into the clearance groove and strike the sandblasting fixture.
[0013] Preferably, an inner protective cover is fixedly connected to the fixed plate, and the inner protective cover is disposed on the outside of the striking cylinder above the sandblasting fixture.
[0014] Preferably, an outer protective cover is fixedly connected to the bottom plate outside the positioning side plate, and the outer protective cover is disposed outside the positioning side plate, the positioning baffle, the fixing plate and the striking cylinder.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] This utility model of a high-speed hammering fixture has significant technical effects and advantages. Firstly, the automated hammering method greatly improves production efficiency, multiplying the number of products processed per unit time compared to manual hammering, meeting the needs of large-scale production. Secondly, precise PLC control of the hammering cylinder ensures consistent hammering force and frequency, avoiding product damage caused by human error and improving product pass rate and quality stability. Thirdly, it reduces manual operation, lowers the labor intensity of operators, improves the working environment, and is conducive to the sustainable development of enterprises. Furthermore, the positioning and limiting side plates, positioning baffles, limiting baffles, and blocking cylinders position and limit the sandblasting fixture, improving its stability during hammering; the outer and inner protective covers provide protection for operators. This fixture has a simple structure, is easy to operate, and is easy to maintain and repair, reducing equipment maintenance costs for enterprises.
[0017] This invention is simple to operate, has a low failure rate, is easy to debug, has low maintenance costs, and high production efficiency. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0019] Figure 2 for Figure 1 A schematic diagram of the structure after removing the outer protective cover.
[0020] Figure 3 for Figure 2 A schematic diagram of the structure after removing the inner protective cover.
[0021] Figure 4 for Figure 3 A frontal view of the structure.
[0022] Figure 5 A schematic diagram of the connection structure between the base plate, the positioning side plate, and the positioning baffle of this utility model.
[0023] Figure 6 This is a three-dimensional cross-sectional view of the existing sandblasting fixture 1 using this utility model.
[0024] In the diagram: 1. Sandblasting fixture, 11. Front sandblasting fixture, 12. Back sandblasting fixture, 13. Sandblasting channel, 2. Product, 3. Base plate, 31. Support column, 32. Positioning space, 33. Sand drop channel, 34. Base plate through hole, 4. Positioning side plate, 41. Limiting side plate, 42. Clearance groove, 5. Positioning baffle, 51. Limiting baffle, 6. Blocking cylinder, 7. Support rod, 71. Fixing plate, 8. Striking cylinder, 81. Striking block, 82. Side striking cylinder, 83. Middle striking cylinder, 91. Inner protective cover, 92. Outer protective cover. Detailed Implementation
[0025] 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, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0026] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Example
[0027] See appendix Figures 1 to 5 As shown, a high-speed striking fixture includes a base plate 3, with a support column 31 vertically fixed to the lower end face of the base plate 3 by bolts. See also Figure 5 As shown, two positioning side plates 4 are vertically fixed to both sides of the upper end face of the base plate 3 by bolts. A positioning baffle 5 is vertically fixed to the upper end face of the base plate 3 between the two positioning side plates 4 by bolts. The sandblasting fixture 1 is detachably locked within the positioning space 32 formed by the positioning side plates 4 and the positioning baffle 5, that is, the sandblasting fixture 1 can be pushed into the positioning space 32 through the opening of the positioning space 32. In order to make the sand particles in the sandblasting fixture 1 fall off the sandblasting fixture 1 and the base plate 3, a plurality of sand drop channels 33 are provided on the base plate 3. In this embodiment, there are two sand drop channels 33.
[0028] Furthermore, to prevent excessive longitudinal movement of the sandblasting fixture 1 when it is struck within the positioning space 32, in this embodiment, a limiting side plate 41 and a limiting baffle 51 are formed by extending inward from the upper surfaces of the two positioning side plates 4 and the positioning baffle 5, respectively. The sandblasting fixture 1 is positioned within the positioning space 32 below the limiting side plate 41 and the limiting baffle 51. The limiting side plate 41 and the limiting baffle 51 block the movement of the sandblasting fixture 1 in the longitudinal direction, thereby preventing the sandblasting fixture 1 from detaching from the positioning space 32.
[0029] Furthermore, to prevent the sandblasting fixture 1 from detaching from the positioning space 32 during impact, a blocking cylinder 6 is vertically and upwardly fixed to the lower end face of the base plate 3 via bolts. A through hole 34 is provided on the base plate 3 above the blocking cylinder 6, and the guide rod of the blocking cylinder 6 can slide through the through hole 34. The blocking cylinder 6 is positioned opposite the positioning baffle 5 and between the two positioning side plates 4. In this embodiment, two blocking cylinders 6 are provided; the specific structure can be an existing Airtac MPE standard threaded cylinder. When the guide rod of the blocking cylinder 6 retracts, it fully enters the base plate 3; when it extends, it moves above the base plate 3. When the guide rod of the blocking cylinder 6 extends, it can prevent the sandblasting fixture 1 from detaching from the positioning space 32. Thus, through the cooperation of the blocking cylinder 6, the positioning side plate 4, the limiting side plate 41, the positioning baffle 5, and the limiting baffle 51, the sandblasting fixture 1 is positioned and limited in the horizontal and vertical directions, preventing the sandblasting fixture 1 from detaching from the positioning space 32 when it is being struck.
[0030] See Figure 3 , 4 As shown, support rods 7 are vertically fixed to the base plate 3 on the outer side of the two positioning side plates 4 by bolts. A fixing plate 71 is horizontally fixed to the upper end face of the support rods 7 by bolts. Multiple striking cylinders 8 are vertically fixed downward to the lower end face of the fixing plate 71 by bolts. A striking block 81 is fixed to the guide rod of the striking cylinder 8 by bolts. When the guide rod of the striking cylinder 8 reciprocates, it can drive the corresponding striking block 81 to strike the sandblasting fixture 1.
[0031] Furthermore, the striking cylinder 8 includes two side striking cylinders 82 disposed on both sides of the fixed plate 71 and two central striking cylinders 83 disposed in the middle of the fixed plate 71. The guide rods of the side striking cylinders 82 and the central striking cylinders 83 extend and retract alternately, thereby performing high-frequency continuous striking on the sandblasting fixture 1.
[0032] Furthermore, a clearance groove 42 is provided on the positioning side plate 4 and the limiting side plate 41 below the side striking cylinder 82. The striking block 81 on the guide rod of the side striking cylinder 82 can move into the clearance groove 42 and strike the sandblasting fixture 1. By setting the clearance groove 42, the side striking cylinder 82 can strike both ends of the sandblasting fixture 1, and the middle striking cylinder 83 can strike the middle part of the sandblasting fixture 1, thereby making the striking range larger and the striking effect better, and facilitating the removal of sand particles stuck between the product 2 and the sandblasting fixture 1.
[0033] See Figure 2As shown, an inner protective cover 91 is bolted to the upper end face of the fixing plate 71. The inner protective cover 91 is located outside the striking cylinder 8 above the sandblasting fixture 1. The inner protective cover 91 has an inverted U-shaped structure and is as shown in the figure. Figure 2 The front and rear sections are positioned on the outside of the striking cylinder 8 and the striking block 81 to prevent sand or other parts splashed from the front and rear from injuring the operator.
[0034] See Figure 1 As shown, furthermore, an outer protective cover 92 is bolted to the bottom plate 3 on both outer sides of the positioning side plate 4. The outer protective cover 92 is located on the outside of the positioning side plate 4, the positioning baffle 5, the fixing plate 71, and the striking cylinder 8. The outer protective cover 92 has an inverted U-shaped structure and is as shown in the figure. Figure 1 As shown, the outer protective cover 92 is set on the left and right sides to protect the operator's safety and prevent sand or other parts from splashing out from the left and right sides during the hammering process from injuring the operator.
[0035] The working principle and process of this embodiment are as follows:
[0036] This fixture is suitable for hammering operations in the processing of components such as mobile phone buttons, where the product 2 is separated from the sandblasting fixture 1 after sandblasting.
[0037] 1. In the initial state, the guide rods of each striking cylinder 8 retract to drive the striking block 81 to rise, and the guide rod of the blocking cylinder 6 retracts; the operator puts the sandblasting fixture 1 that needs to be repositioned into the positioning space 32 through the opening of the positioning space 32, that is, pushes the sandblasting fixture 1 inward along the positioning side plates 4 on both sides until the sandblasting fixture 1 abuts the positioning baffle 5. At this time, the upper end surface of the sandblasting fixture 1 is below the limiting side plate 41 and the limiting baffle 51, and the sandblasting fixture 1 is accurately limited.
[0038] 2. The operator presses the start button on the existing PLC controller (not shown in the figure) once, and the guide rod of the blocking cylinder 6 rises to block the sandblasting fixture 1, preventing the sandblasting fixture 1 from being pulled out due to force during subsequent vibration, thus ensuring the stability of the hammering process.
[0039] 3. The PLC controller controls the four striking cylinders 8 to operate in a cyclical manner according to a preset program. The two sets of side striking cylinders 82 on both sides and the middle set of side striking cylinders 82 operate alternately, striking the sandblasting fixture 1 at a high speed at a frequency of 0.5 seconds per strike. Under the repeated impact of the striking blocks 81 and the sandblasting fixture 1, the product 2 that is stuck on the sandblasting fixture 1 and cannot be removed is shaken off.
[0040] 4. After the striking cylinder 8 continues its cyclical motion for 3.5 seconds, the PLC controller issues a command to automatically stop the striking cylinder 8. At the same time, the guide rod of the blocking cylinder 6 descends, releasing the sandblasting fixture 1. The guide rod of the striking cylinder 8 then drives the striking block 81 to rise, completing one full striking operation and awaiting the next operation.
[0041] Repeating the above process can automatically and in batches realize the hammering process of the sandblasting fixture 1. It should be noted that this utility model also involves a PLC control device. The connection method and control principle of the PLC control device with each component are existing technologies. Anything not described in this specification is existing technology and will not be elaborated here. As long as the above working process can be met, it is acceptable.
[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A high speed tapping tool comprising a base plate, characterized by: Positioning side plates are fixedly connected to both sides of the upper end of the base plate, and a positioning baffle is fixedly connected to the base plate between the two positioning side plates. The sandblasting fixture can be detachably locked in the positioning space formed by the positioning side plates and the positioning baffle. A support rod is fixedly connected to the bottom plate on the outside of the two positioning side plates. A fixing plate is fixedly connected to the upper end of the support rod. Multiple striking cylinders are fixedly connected vertically downward on the fixing plate. A striking block is fixedly connected to the guide rod of the striking cylinder. When the guide rod of the striking cylinder reciprocates, it can drive the striking block to strike the sandblasting fixture.
2. The high-speed hammering fixture according to claim 1, characterized in that: A limiting side plate and a limiting baffle are formed by extending inward from the upper end face of the positioning side plate and the positioning baffle, respectively. The sandblasting fixture is clamped in the positioning space below the limiting side plate and the limiting baffle.
3. The high-speed hammering fixture according to claim 1, characterized in that: A sand-falling channel is provided on the base plate.
4. The high-speed hammering fixture according to claim 1, characterized in that: A blocking cylinder is fixedly connected vertically upward on the lower end face of the base plate. The guide rod of the blocking cylinder can slide through the base plate. The blocking cylinder is arranged opposite to the positioning baffle and between the two positioning side plates. When the guide rod of the blocking cylinder retracts, the guide rod of the blocking cylinder is fully inserted into the base plate. When the guide rod of the blocking cylinder extends, the guide rod of the blocking cylinder moves to the top of the base plate.
5. The high-speed hammering fixture according to claim 4, characterized in that: There are two blocking cylinders.
6. The high-speed hammering fixture according to claim 1, characterized in that: The striking cylinder includes two side striking cylinders located on both sides and two central striking cylinders located in the middle, and the guide rods of the side striking cylinders and the central striking cylinders extend and retract alternately.
7. The high-speed hammering fixture according to claim 6, characterized in that: An avoidance groove is provided on the positioning side plate below the side striking cylinder. The striking block on the guide rod of the side striking cylinder can move into the avoidance groove and strike the sandblasting fixture.
8. The high-speed hammering fixture according to claim 1, characterized in that: An inner protective cover is fixedly connected to the fixed plate, and the inner protective cover is located on the outside of the striking cylinder above the sandblasting fixture.
9. The high-speed hammering fixture according to claim 1, characterized in that: An outer protective cover is fixedly connected to the bottom plate outside the positioning side plate. The outer protective cover is set outside the positioning side plate, positioning baffle, fixing plate and striking cylinder.