Clamp for slotting side part of engine base
By designing a fixture that includes a central inner support mechanism and a top clamping assembly, the problem of large amplitude vibration when slotting the side of the engine base was solved, resulting in smoother groove edges and higher machining accuracy.
Patent Information
- Application Number
- CN202423217476.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-25
AI Technical Summary
When slotting the side of the existing engine base, the fixture causes large amplitude vibration, resulting in an uneven edge around the slot.
The clamping device includes a base plate, a central internal support mechanism, and a top clamping assembly. The central internal support mechanism provides multi-point support through wedge blocks and return springs, while the top clamping assembly limits the clamping points and contact area in the vertical direction through lifting cylinders and pressure blocks.
It reduces vibration of the engine base, improves the grooving effect, and makes the edges of the through groove smoother.
Smart Images

Figure CN223863370U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of clamps, in particular to a clamp for slotting the side of an engine base. BACKGROUND
[0002] At present, as shown in an engine base 5, four through grooves 51 need to be formed on both sides during production, in the prior art, a relatively simple clamp is used for machining the through grooves, which comprises a seat body and a top pressing cylinder, the seat body is provided with a frame groove matched with the engine base, and the top pressing cylinder is used for pressing from the top of the engine base. Figure 1
[0003] During slotting, the engine base has a large amplitude, so that the circumferential edge of the through groove is not smooth. CONTENT OF THE UTILITY MODEL
[0004] The application aims to provide a clamp for slotting the side of an engine base to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the application provides a clamp for slotting the side of an engine base, which adopts the following technical scheme:
[0006] The clamp for slotting the side of an engine base comprises a bottom plate, a middle inner support mechanism and a top pressing assembly, the top pressing assembly can press the engine base on the middle inner support mechanism, the middle inner support mechanism comprises a middle fixed block and two end fixed blocks symmetrically arranged on both sides of the middle fixed block, the middle fixed block and the end fixed blocks are fixed on the bottom plate, the end fixed blocks are provided with first inner support assemblies, the middle fixed block is provided with second inner support assemblies close to both ends, the first inner support assemblies and the second inner support assemblies each comprise symmetrically arranged wedge-shaped blocks and return springs, the end fixed blocks are provided with first accommodating cavities corresponding to the positions of the first inner support assemblies, the middle fixed blocks are provided with second accommodating cavities corresponding to the positions of the second inner support assemblies, the first accommodating cavities and the second accommodating cavities each comprise a communication movable cavity and a position-providing cavity, the movable cavities are provided with baffles in the middle, the wedge-shaped blocks are movably arranged in the movable cavities, the wedge-shaped blocks are fixed with the return springs on one side, and the return springs are fixed on the baffles at one end;
[0007] The end fixing block is provided with a thrust cylinder fixed on the bottom plate, a push rod is fixed at the piston rod end of the thrust cylinder, the push rod penetrates through the end fixing block and extends into a second accommodating cavity, an end push block is arranged at the position of the push rod corresponding to the first accommodating cavity, a middle push block is arranged at the position of the push rod corresponding to the second accommodating cavity, and inclined surfaces matched with the wedge blocks are arranged on the two sides of the end push block and the middle push block, and a limiting block is further fixed on the push rod and can abut against the end of the engine base.
[0008] The top pressing assembly comprises a support, a lifting cylinder and a pressing block, the support is fixed on the bottom plate, the lifting cylinder is vertically fixed on the support, and the pressing block is fixed on the piston rod of the lifting cylinder.
[0009] Preferably, the pressing block is fixed with downwardly folded bending portions on the two sides, which can abut against the two sides of the engine base and further limit the engine base from the side.
[0010] Preferably, in order to improve the clamping effect, rubber pads are fixed on the working surfaces of the middle fixing block, the end fixing block, the wedge blocks and the pressing block.
[0011] Preferably, the limiting block comprises a mounting portion and a limiting portion, the mounting portion is used for mounting on the push rod, and the limiting portion is used for abutting against the side wall of the engine base.
[0012] By adopting the above technical scheme, the mounting portion can facilitate the disassembly and assembly of the limiting block, and the limiting portion can increase the contact area with the engine base and improve the clamping effect.
[0013] In summary, the engine base side slot clamping fixture has at least one of the following beneficial technical effects: the middle internal supporting mechanism is arranged inside the engine base to support from multiple points, and the top pressing assembly is arranged to limit in the vertical direction, the contact area of the whole fixture with the engine base is large, the clamping points are more, the vibration of the engine base can be reduced, and the slotting effect can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structure schematic view of an engine base in the prior art.
[0015] Figure 2 It is a whole structure schematic view of the embodiment of the application.
[0016] Figure 3 It is a connection relationship cross-sectional schematic view of the wedge block, the reset spring and the middle push block in the second accommodating cavity in the embodiment of the application.
[0017] Figure 4 is a use state schematic diagram of the embodiment of the present application.
[0018] Label explanation: 1, bottom plate; 2, middle inner support mechanism; 21, end fixed block; 211, first containing cavity; 22, middle fixed block; 221, second containing cavity; 23, wedge block; 24, reset spring; 25, baffle; 26, thrust cylinder; 27, push rod; 28, end push block; 29, middle push block; 3, top compression assembly; 31, support; 32, lifting cylinder; 33, compression block; 34, bending part; 4, limiting block; 41, mounting part; 42, limiting part. DETAILED DESCRIPTION
[0019] The following will be combined with the Figures 2-4 The present application is further described in detail.
[0020] The embodiment of the present application discloses a kind of clamps for engine base side slot, refer to Figures 2-4 , including bottom plate 1, middle inner support mechanism 2 and top compression assembly 3 installed on bottom plate 1, top compression assembly 3 can be compressed on middle inner support mechanism 2, middle inner support mechanism 2 includes middle fixed block 22 and two end fixed blocks 21 symmetrically arranged on the both sides of middle fixed block 22, middle fixed block 22 and end fixed block 21 are fixed on bottom plate 1, first inner support assembly is arranged in end fixed block 21, second inner support assembly is arranged in middle fixed block 22 close to both ends position, first inner support assembly and second inner support assembly all include symmetrically arranged wedge block 23 and reset spring 24, first containing cavity 211 is set up in the position corresponding to first inner support assembly of end fixed block 21, second containing cavity 221 is set up in the position corresponding to second inner support assembly of middle fixed block 22, first containing cavity 211 and second containing cavity 221 all include communicating activity cavity and let go of cavity, activity cavity has baffle 25 in middle part, wedge block 23 is movably arranged in activity cavity, reset spring 24 is fixed on the side of wedge block 23, one end of reset spring 24 is fixed on baffle 25;
[0021] Thrust cylinder 26 is arranged beside end fixed block 21, thrust cylinder 26 is fixed on bottom plate 1, the piston rod end of thrust cylinder 26 is fixed with push rod 27, push rod 27 penetrates end fixed block 21 and extends into second containing cavity 221, end push block 28 is arranged on push rod 27 corresponding to the position of first containing cavity 211, middle push block 29 is arranged on push rod 27 corresponding to the position of second containing cavity 221, the both sides of end push block 28 and middle push block 29 are all provided with inclined surface matched with wedge block 23, limit block 4 is also fixed on push rod 27, limit block 4 can abut on the end of engine base.
[0022] Refer to Figure 2 And Figure 4The top pressing assembly 3 includes a bracket 31, a lifting cylinder 32, and a pressing block 33. The bracket 31 is fixed on the base plate 1, the lifting cylinder 32 is vertically fixed on the bracket 31, and the pressing block 33 is fixed on the piston rod of the lifting cylinder 32.
[0023] To improve the clamping effect, the pressure block 33 has downward folded bending parts 34 fixed on both sides, and rubber pads are fixed on the middle fixing block 22, the end fixing block 21, the wedge block 23 and the working surface of the pressure block 33.
[0024] Reference Figure 2 and Figure 4 The limiting block 4 includes a mounting part 41 and a limiting part 42. The mounting part 41 is used to be mounted on the push rod 27, and the limiting part 42 is used to abut against the side wall of the engine base. The limiting part 42 is elongated, which can increase the contact area with the engine base, thereby facilitating the limiting.
[0025] The implementation principle of a jig for slotting the side of an engine base according to an embodiment of this application is as follows:
[0026] The operator places the engine base on the central fixing block 22. The thrust cylinders 26 on both sides drive the push rod 27 to work. The push rod 27 drives the end push block 28 and the central push block 29 to open the wedge blocks 23 on both sides respectively. At the same time, the limiting part 42 in the limiting block 4 drives the engine base to be pressed and limited from both sides. The opened wedge blocks 23 support the engine base from the inside of the engine base. Finally, the lifting cylinder 32 in the top pressing assembly 3 drives the pressing block 33 to press the engine base again from the vertical direction, so that the engine base can be firmly fixed on the base plate 1. The clamp has a large contact area with the engine base, which can reduce the vibration of the engine base and thus improve the grooving effect.
[0027] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A clamp for slotting the side of an engine base, characterized in that: The system includes a base plate (1), a central inner support mechanism (2) mounted on the base plate (1), and a top clamping assembly (3). The top clamping assembly (3) can clamp the engine base onto the central inner support mechanism (2). The central inner support mechanism (2) includes a central fixing block (22) and two end fixing blocks (21) symmetrically arranged on both sides of the central fixing block (22). Both the central fixing block (22) and the end fixing blocks (21) are fixed on the base plate (1). A first inner support assembly is provided inside the end fixing block (21), and a second inner support assembly is provided inside the central fixing block (22) near both ends. The first inner support assembly and the second inner support assembly... Each component includes symmetrically arranged wedge blocks (23) and return springs (24). The end fixing block (21) has a first receiving cavity (211) corresponding to the position of the first inner support assembly, and the middle fixing block (22) has a second receiving cavity (221) corresponding to the position of the second inner support assembly. Both the first receiving cavity (211) and the second receiving cavity (221) include a connected movable cavity and a relief cavity. The movable cavity has a baffle (25) in the middle. The wedge blocks (23) are movably disposed in the movable cavity. A return spring (24) is fixed on one side of the wedge blocks (23), and one end of the return spring (24) is fixed on the baffle (25). A thrust cylinder (26) is provided next to the end fixing block (21). The thrust cylinder (26) is fixed on the base plate (1). A push rod (27) is fixed at the end of the piston rod of the thrust cylinder (26). The push rod (27) passes through the end fixing block (21) and extends into the second accommodating cavity (221). An end push block (28) is provided on the push rod (27) at the position corresponding to the first accommodating cavity (211). A middle push block (29) is provided on the push rod (27) at the position corresponding to the second accommodating cavity (221). Both the end push block (28) and the middle push block (29) are provided with inclined surfaces that are adapted to the wedge block (23) on both sides. A limit block (4) is also fixed on the push rod (27). The limit block (4) can abut against the end of the engine base.
2. The jig for slotting the side of the engine base according to claim 1, characterized in that: The top pressing assembly (3) includes a bracket (31), a lifting cylinder (32) and a pressing block (33). The bracket (31) is fixed on the base plate (1), the lifting cylinder (32) is vertically fixed on the bracket (31), and the pressing block (33) is fixed on the piston rod of the lifting cylinder (32).
3. The jig for slotting the side of the engine base according to claim 2, characterized in that: The pressure block (33) has downward-folding bends (34) fixed on both sides.
4. The jig for slotting the side of the engine base according to claim 2, characterized in that: Rubber pads are fixed on the working surfaces of the middle fixing block (22), the end fixing block (21), the wedge block (23), and the pressure block (33).
5. The jig for slotting the side of the engine base according to claim 1, characterized in that: The limiting block (4) includes a mounting part (41) and a limiting part (42). The mounting part (41) is used to be mounted on the push rod (27), and the limiting part (42) is used to abut against the side wall of the engine base.